/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:28:47,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:28:47,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:28:47,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 10:28:47,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:28:47,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:28:47,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:28:47,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:28:47,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:28:47,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:28:47,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:28:47,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:28:47,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:28:47,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:28:47,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:28:47,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:28:47,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 10:28:47,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:28:47,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:28:47,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:28:47,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 10:28:47,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:28:47,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:28:47,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:28:47,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:28:47,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:28:47,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:28:47,460 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:28:47,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:28:47,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:28:47,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:28:47,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:28:47,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:28:47,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:28:47,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:28:47,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:28:47,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:28:47,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:28:47,463 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:28:47,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:28:47,463 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:28:47,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:28:47,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:28:47,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:28:47,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:28:47,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:28:47,767 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:28:47,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-06-05 10:28:47,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df916a9e1/4fe4ab4d271a45a0a2b30e7ee5f9323a/FLAGda693c2f8 [2021-06-05 10:28:48,420 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:28:48,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-06-05 10:28:48,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df916a9e1/4fe4ab4d271a45a0a2b30e7ee5f9323a/FLAGda693c2f8 [2021-06-05 10:28:48,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df916a9e1/4fe4ab4d271a45a0a2b30e7ee5f9323a [2021-06-05 10:28:48,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:28:48,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:28:48,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:28:48,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:28:48,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:28:48,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:28:48" (1/1) ... [2021-06-05 10:28:48,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf2f1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:48, skipping insertion in model container [2021-06-05 10:28:48,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:28:48" (1/1) ... [2021-06-05 10:28:48,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:28:48,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:28:49,827 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-06-05 10:28:49,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:28:49,874 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:28:49,918 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-06-05 10:28:49,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:28:50,237 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:28:50,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50 WrapperNode [2021-06-05 10:28:50,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:28:50,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:28:50,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:28:50,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:28:50,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:28:50,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:28:50,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:28:50,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:28:50,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... [2021-06-05 10:28:50,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:28:50,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:28:50,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:28:50,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:28:50,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:28:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:28:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 10:28:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-05 10:28:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-05 10:28:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:28:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:28:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-06-05 10:28:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-06-05 10:28:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:28:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:28:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:28:50,434 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:28:51,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:28:51,004 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-06-05 10:28:51,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:28:51 BoogieIcfgContainer [2021-06-05 10:28:51,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:28:51,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:28:51,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:28:51,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:28:51,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:28:48" (1/3) ... [2021-06-05 10:28:51,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235bcb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:28:51, skipping insertion in model container [2021-06-05 10:28:51,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:50" (2/3) ... [2021-06-05 10:28:51,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235bcb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:28:51, skipping insertion in model container [2021-06-05 10:28:51,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:28:51" (3/3) ... [2021-06-05 10:28:51,012 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-06-05 10:28:51,017 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:28:51,017 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:28:51,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-06-05 10:28:51,018 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:28:51,057 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,057 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,058 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,067 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,081 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,092 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,093 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,094 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:28:51,104 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 10:28:51,123 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-06-05 10:28:51,147 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:28:51,147 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:28:51,148 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:28:51,148 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:28:51,148 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:28:51,148 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:28:51,148 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:28:51,148 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:28:51,168 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 167 places, 171 transitions, 364 flow [2021-06-05 10:28:51,526 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9357 states, 9346 states have (on average 2.8477423496683074) internal successors, (26615), 9356 states have internal predecessors, (26615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 9357 states, 9346 states have (on average 2.8477423496683074) internal successors, (26615), 9356 states have internal predecessors, (26615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 10:28:51,559 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:51,560 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:51,560 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:51,565 INFO L82 PathProgramCache]: Analyzing trace with hash 4312800, now seen corresponding path program 1 times [2021-06-05 10:28:51,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:51,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761283333] [2021-06-05 10:28:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:51,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:51,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761283333] [2021-06-05 10:28:51,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761283333] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:51,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:51,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:28:51,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161038137] [2021-06-05 10:28:51,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:28:51,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:51,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:28:51,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:28:52,022 INFO L87 Difference]: Start difference. First operand has 9357 states, 9346 states have (on average 2.8477423496683074) internal successors, (26615), 9356 states have internal predecessors, (26615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:52,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:52,339 INFO L93 Difference]: Finished difference Result 8904 states and 24865 transitions. [2021-06-05 10:28:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:28:52,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 10:28:52,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:52,393 INFO L225 Difference]: With dead ends: 8904 [2021-06-05 10:28:52,394 INFO L226 Difference]: Without dead ends: 7312 [2021-06-05 10:28:52,395 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 80.8ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:28:52,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7312 states. [2021-06-05 10:28:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7312 to 7311. [2021-06-05 10:28:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7311 states, 7304 states have (on average 2.7836801752464404) internal successors, (20332), 7310 states have internal predecessors, (20332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7311 states to 7311 states and 20332 transitions. [2021-06-05 10:28:52,708 INFO L78 Accepts]: Start accepts. Automaton has 7311 states and 20332 transitions. Word has length 36 [2021-06-05 10:28:52,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:52,708 INFO L482 AbstractCegarLoop]: Abstraction has 7311 states and 20332 transitions. [2021-06-05 10:28:52,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7311 states and 20332 transitions. [2021-06-05 10:28:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 10:28:52,710 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:52,710 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:52,710 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:28:52,711 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:52,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:52,711 INFO L82 PathProgramCache]: Analyzing trace with hash -334882016, now seen corresponding path program 1 times [2021-06-05 10:28:52,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:52,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912777863] [2021-06-05 10:28:52,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:52,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:52,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912777863] [2021-06-05 10:28:52,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912777863] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:52,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:52,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:28:52,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861556336] [2021-06-05 10:28:52,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:28:52,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:52,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:28:52,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:28:52,972 INFO L87 Difference]: Start difference. First operand 7311 states and 20332 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:53,165 INFO L93 Difference]: Finished difference Result 7313 states and 20334 transitions. [2021-06-05 10:28:53,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:28:53,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 10:28:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:53,224 INFO L225 Difference]: With dead ends: 7313 [2021-06-05 10:28:53,225 INFO L226 Difference]: Without dead ends: 7313 [2021-06-05 10:28:53,225 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 86.6ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 10:28:53,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2021-06-05 10:28:53,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 7309. [2021-06-05 10:28:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7309 states, 7303 states have (on average 2.7837874845953716) internal successors, (20330), 7308 states have internal predecessors, (20330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7309 states to 7309 states and 20330 transitions. [2021-06-05 10:28:53,423 INFO L78 Accepts]: Start accepts. Automaton has 7309 states and 20330 transitions. Word has length 42 [2021-06-05 10:28:53,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:53,423 INFO L482 AbstractCegarLoop]: Abstraction has 7309 states and 20330 transitions. [2021-06-05 10:28:53,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 7309 states and 20330 transitions. [2021-06-05 10:28:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 10:28:53,456 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:53,456 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:53,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:28:53,456 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:53,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1888111070, now seen corresponding path program 1 times [2021-06-05 10:28:53,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:53,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273174475] [2021-06-05 10:28:53,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:53,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:53,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273174475] [2021-06-05 10:28:53,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273174475] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:53,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:53,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:28:53,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354447080] [2021-06-05 10:28:53,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:28:53,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:53,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:28:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:28:53,609 INFO L87 Difference]: Start difference. First operand 7309 states and 20330 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:53,963 INFO L93 Difference]: Finished difference Result 10560 states and 29296 transitions. [2021-06-05 10:28:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 10:28:53,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-06-05 10:28:53,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:54,004 INFO L225 Difference]: With dead ends: 10560 [2021-06-05 10:28:54,005 INFO L226 Difference]: Without dead ends: 10560 [2021-06-05 10:28:54,005 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 131.4ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:28:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10560 states. [2021-06-05 10:28:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10560 to 8145. [2021-06-05 10:28:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8145 states, 8140 states have (on average 2.784029484029484) internal successors, (22662), 8144 states have internal predecessors, (22662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8145 states to 8145 states and 22662 transitions. [2021-06-05 10:28:54,334 INFO L78 Accepts]: Start accepts. Automaton has 8145 states and 22662 transitions. Word has length 60 [2021-06-05 10:28:54,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:54,335 INFO L482 AbstractCegarLoop]: Abstraction has 8145 states and 22662 transitions. [2021-06-05 10:28:54,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8145 states and 22662 transitions. [2021-06-05 10:28:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-05 10:28:54,338 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:54,338 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:54,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:28:54,339 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:54,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:54,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1332255701, now seen corresponding path program 1 times [2021-06-05 10:28:54,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:54,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790466906] [2021-06-05 10:28:54,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:54,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:54,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790466906] [2021-06-05 10:28:54,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790466906] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:54,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:54,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:28:54,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991266343] [2021-06-05 10:28:54,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:28:54,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:54,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:28:54,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:28:54,442 INFO L87 Difference]: Start difference. First operand 8145 states and 22662 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:54,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:54,695 INFO L93 Difference]: Finished difference Result 11396 states and 31467 transitions. [2021-06-05 10:28:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:28:54,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-06-05 10:28:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:54,772 INFO L225 Difference]: With dead ends: 11396 [2021-06-05 10:28:54,772 INFO L226 Difference]: Without dead ends: 9607 [2021-06-05 10:28:54,773 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 69.8ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:28:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9607 states. [2021-06-05 10:28:55,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9607 to 9285. [2021-06-05 10:28:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9285 states, 9281 states have (on average 2.7852602090291994) internal successors, (25850), 9284 states have internal predecessors, (25850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9285 states to 9285 states and 25850 transitions. [2021-06-05 10:28:55,058 INFO L78 Accepts]: Start accepts. Automaton has 9285 states and 25850 transitions. Word has length 66 [2021-06-05 10:28:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:55,059 INFO L482 AbstractCegarLoop]: Abstraction has 9285 states and 25850 transitions. [2021-06-05 10:28:55,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 9285 states and 25850 transitions. [2021-06-05 10:28:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 10:28:55,074 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:55,074 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:55,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:28:55,074 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1121796277, now seen corresponding path program 1 times [2021-06-05 10:28:55,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:55,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97238685] [2021-06-05 10:28:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:55,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:55,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97238685] [2021-06-05 10:28:55,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97238685] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:55,192 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:55,192 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 10:28:55,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063204988] [2021-06-05 10:28:55,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 10:28:55,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:55,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 10:28:55,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 10:28:55,196 INFO L87 Difference]: Start difference. First operand 9285 states and 25850 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:55,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:55,234 INFO L93 Difference]: Finished difference Result 3460 states and 9340 transitions. [2021-06-05 10:28:55,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 10:28:55,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 10:28:55,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:55,242 INFO L225 Difference]: With dead ends: 3460 [2021-06-05 10:28:55,243 INFO L226 Difference]: Without dead ends: 3460 [2021-06-05 10:28:55,243 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:28:55,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2021-06-05 10:28:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3460. [2021-06-05 10:28:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 3458 states have (on average 2.700983227299017) internal successors, (9340), 3459 states have internal predecessors, (9340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 9340 transitions. [2021-06-05 10:28:55,320 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 9340 transitions. Word has length 80 [2021-06-05 10:28:55,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:55,320 INFO L482 AbstractCegarLoop]: Abstraction has 3460 states and 9340 transitions. [2021-06-05 10:28:55,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 9340 transitions. [2021-06-05 10:28:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:28:55,331 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:55,331 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:55,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:28:55,332 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1343474486, now seen corresponding path program 1 times [2021-06-05 10:28:55,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:55,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847791348] [2021-06-05 10:28:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:56,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:56,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847791348] [2021-06-05 10:28:56,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847791348] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:56,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:56,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:28:56,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790325201] [2021-06-05 10:28:56,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:28:56,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:28:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:28:56,111 INFO L87 Difference]: Start difference. First operand 3460 states and 9340 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:56,911 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-06-05 10:28:57,072 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-06-05 10:28:57,254 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:28:57,484 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:28:57,702 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:28:57,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:57,877 INFO L93 Difference]: Finished difference Result 4246 states and 11446 transitions. [2021-06-05 10:28:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:28:57,877 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:28:57,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:57,886 INFO L225 Difference]: With dead ends: 4246 [2021-06-05 10:28:57,886 INFO L226 Difference]: Without dead ends: 4246 [2021-06-05 10:28:57,887 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1638.6ms TimeCoverageRelationStatistics Valid=292, Invalid=700, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:28:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4246 states. [2021-06-05 10:28:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4246 to 3964. [2021-06-05 10:28:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3964 states, 3962 states have (on average 2.708732963149924) internal successors, (10732), 3963 states have internal predecessors, (10732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3964 states to 3964 states and 10732 transitions. [2021-06-05 10:28:57,971 INFO L78 Accepts]: Start accepts. Automaton has 3964 states and 10732 transitions. Word has length 114 [2021-06-05 10:28:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:57,971 INFO L482 AbstractCegarLoop]: Abstraction has 3964 states and 10732 transitions. [2021-06-05 10:28:57,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3964 states and 10732 transitions. [2021-06-05 10:28:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:28:57,980 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:57,980 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:57,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:28:57,980 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:57,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:57,981 INFO L82 PathProgramCache]: Analyzing trace with hash 637173482, now seen corresponding path program 2 times [2021-06-05 10:28:57,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:57,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902696882] [2021-06-05 10:28:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:28:58,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:28:58,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:28:58,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902696882] [2021-06-05 10:28:58,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902696882] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:28:58,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:28:58,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:28:58,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771091693] [2021-06-05 10:28:58,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:28:58,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:28:58,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:28:58,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:28:58,545 INFO L87 Difference]: Start difference. First operand 3964 states and 10732 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:28:59,817 INFO L93 Difference]: Finished difference Result 4833 states and 12790 transitions. [2021-06-05 10:28:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:28:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:28:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:28:59,828 INFO L225 Difference]: With dead ends: 4833 [2021-06-05 10:28:59,828 INFO L226 Difference]: Without dead ends: 4833 [2021-06-05 10:28:59,829 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1057.9ms TimeCoverageRelationStatistics Valid=329, Invalid=793, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:28:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2021-06-05 10:28:59,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4524. [2021-06-05 10:28:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4524 states, 4522 states have (on average 2.680451127819549) internal successors, (12121), 4523 states have internal predecessors, (12121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 12121 transitions. [2021-06-05 10:28:59,925 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 12121 transitions. Word has length 114 [2021-06-05 10:28:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:28:59,925 INFO L482 AbstractCegarLoop]: Abstraction has 4524 states and 12121 transitions. [2021-06-05 10:28:59,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:28:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 12121 transitions. [2021-06-05 10:28:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:28:59,936 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:28:59,936 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:28:59,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:28:59,936 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:28:59,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:28:59,937 INFO L82 PathProgramCache]: Analyzing trace with hash -419622886, now seen corresponding path program 3 times [2021-06-05 10:28:59,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:28:59,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45516446] [2021-06-05 10:28:59,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:28:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:00,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:00,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45516446] [2021-06-05 10:29:00,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45516446] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:00,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:00,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:00,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393499929] [2021-06-05 10:29:00,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:00,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:00,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:00,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:00,583 INFO L87 Difference]: Start difference. First operand 4524 states and 12121 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:01,800 INFO L93 Difference]: Finished difference Result 5240 states and 13612 transitions. [2021-06-05 10:29:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:01,801 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:01,811 INFO L225 Difference]: With dead ends: 5240 [2021-06-05 10:29:01,811 INFO L226 Difference]: Without dead ends: 5240 [2021-06-05 10:29:01,811 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1026.2ms TimeCoverageRelationStatistics Valid=360, Invalid=900, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:01,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2021-06-05 10:29:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 4641. [2021-06-05 10:29:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4641 states, 4639 states have (on average 2.6704031041172667) internal successors, (12388), 4640 states have internal predecessors, (12388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4641 states to 4641 states and 12388 transitions. [2021-06-05 10:29:01,908 INFO L78 Accepts]: Start accepts. Automaton has 4641 states and 12388 transitions. Word has length 114 [2021-06-05 10:29:01,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:01,909 INFO L482 AbstractCegarLoop]: Abstraction has 4641 states and 12388 transitions. [2021-06-05 10:29:01,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 4641 states and 12388 transitions. [2021-06-05 10:29:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:01,918 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:01,918 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:01,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:29:01,919 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:01,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:01,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2100918854, now seen corresponding path program 4 times [2021-06-05 10:29:01,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:01,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672106316] [2021-06-05 10:29:01,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:02,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:02,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672106316] [2021-06-05 10:29:02,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672106316] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:02,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:02,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:02,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115605414] [2021-06-05 10:29:02,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:02,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:02,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:02,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:02,456 INFO L87 Difference]: Start difference. First operand 4641 states and 12388 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:03,717 INFO L93 Difference]: Finished difference Result 5618 states and 14458 transitions. [2021-06-05 10:29:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:03,718 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:03,728 INFO L225 Difference]: With dead ends: 5618 [2021-06-05 10:29:03,729 INFO L226 Difference]: Without dead ends: 5618 [2021-06-05 10:29:03,729 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1155.2ms TimeCoverageRelationStatistics Valid=349, Invalid=911, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:03,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2021-06-05 10:29:03,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 4688. [2021-06-05 10:29:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 4686 states have (on average 2.667733674775928) internal successors, (12501), 4687 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 12501 transitions. [2021-06-05 10:29:03,843 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 12501 transitions. Word has length 114 [2021-06-05 10:29:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:03,843 INFO L482 AbstractCegarLoop]: Abstraction has 4688 states and 12501 transitions. [2021-06-05 10:29:03,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 12501 transitions. [2021-06-05 10:29:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:03,853 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:03,854 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:03,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 10:29:03,854 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:03,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:03,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1746124458, now seen corresponding path program 5 times [2021-06-05 10:29:03,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:03,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152418778] [2021-06-05 10:29:03,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:04,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:04,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152418778] [2021-06-05 10:29:04,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152418778] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:04,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:04,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:04,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822550339] [2021-06-05 10:29:04,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:04,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:04,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:04,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:04,332 INFO L87 Difference]: Start difference. First operand 4688 states and 12501 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:05,481 INFO L93 Difference]: Finished difference Result 5759 states and 14797 transitions. [2021-06-05 10:29:05,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:05,481 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:05,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:05,491 INFO L225 Difference]: With dead ends: 5759 [2021-06-05 10:29:05,491 INFO L226 Difference]: Without dead ends: 5759 [2021-06-05 10:29:05,492 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 996.2ms TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5759 states. [2021-06-05 10:29:05,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5759 to 4782. [2021-06-05 10:29:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4782 states, 4780 states have (on average 2.6625523012552303) internal successors, (12727), 4781 states have internal predecessors, (12727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 12727 transitions. [2021-06-05 10:29:05,592 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 12727 transitions. Word has length 114 [2021-06-05 10:29:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:05,592 INFO L482 AbstractCegarLoop]: Abstraction has 4782 states and 12727 transitions. [2021-06-05 10:29:05,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 12727 transitions. [2021-06-05 10:29:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:05,602 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:05,602 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:05,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 10:29:05,602 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:05,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1513055446, now seen corresponding path program 6 times [2021-06-05 10:29:05,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:05,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875919569] [2021-06-05 10:29:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:06,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:06,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875919569] [2021-06-05 10:29:06,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875919569] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:06,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:06,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:06,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615585214] [2021-06-05 10:29:06,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:06,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:06,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:06,052 INFO L87 Difference]: Start difference. First operand 4782 states and 12727 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:06,755 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-05 10:29:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:07,166 INFO L93 Difference]: Finished difference Result 5900 states and 15136 transitions. [2021-06-05 10:29:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:07,166 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:07,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:07,173 INFO L225 Difference]: With dead ends: 5900 [2021-06-05 10:29:07,174 INFO L226 Difference]: Without dead ends: 5900 [2021-06-05 10:29:07,174 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 972.5ms TimeCoverageRelationStatistics Valid=327, Invalid=933, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:07,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5900 states. [2021-06-05 10:29:07,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5900 to 4829. [2021-06-05 10:29:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 4827 states have (on average 2.6600372902423866) internal successors, (12840), 4828 states have internal predecessors, (12840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 12840 transitions. [2021-06-05 10:29:07,278 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 12840 transitions. Word has length 114 [2021-06-05 10:29:07,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:07,278 INFO L482 AbstractCegarLoop]: Abstraction has 4829 states and 12840 transitions. [2021-06-05 10:29:07,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 12840 transitions. [2021-06-05 10:29:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:07,292 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:07,292 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:07,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 10:29:07,292 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:07,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:07,293 INFO L82 PathProgramCache]: Analyzing trace with hash 250954822, now seen corresponding path program 7 times [2021-06-05 10:29:07,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:07,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308417043] [2021-06-05 10:29:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:07,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:07,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308417043] [2021-06-05 10:29:07,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308417043] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:07,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:07,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:07,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859585160] [2021-06-05 10:29:07,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:07,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:07,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:07,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:07,749 INFO L87 Difference]: Start difference. First operand 4829 states and 12840 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:08,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:08,725 INFO L93 Difference]: Finished difference Result 5302 states and 13818 transitions. [2021-06-05 10:29:08,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:08,726 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:08,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:08,731 INFO L225 Difference]: With dead ends: 5302 [2021-06-05 10:29:08,731 INFO L226 Difference]: Without dead ends: 5302 [2021-06-05 10:29:08,731 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 874.8ms TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:08,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5302 states. [2021-06-05 10:29:08,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5302 to 4524. [2021-06-05 10:29:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4524 states, 4522 states have (on average 2.680451127819549) internal successors, (12121), 4523 states have internal predecessors, (12121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 12121 transitions. [2021-06-05 10:29:08,821 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 12121 transitions. Word has length 114 [2021-06-05 10:29:08,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:08,821 INFO L482 AbstractCegarLoop]: Abstraction has 4524 states and 12121 transitions. [2021-06-05 10:29:08,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 12121 transitions. [2021-06-05 10:29:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:08,833 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:08,834 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:08,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 10:29:08,834 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:08,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:08,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1970428110, now seen corresponding path program 8 times [2021-06-05 10:29:08,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:08,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521168711] [2021-06-05 10:29:08,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:09,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:09,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521168711] [2021-06-05 10:29:09,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521168711] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:09,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:09,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:09,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619044740] [2021-06-05 10:29:09,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:09,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:09,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:09,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:09,303 INFO L87 Difference]: Start difference. First operand 4524 states and 12121 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:10,061 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:10,228 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:10,436 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:10,671 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:10,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:10,789 INFO L93 Difference]: Finished difference Result 8731 states and 23481 transitions. [2021-06-05 10:29:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:10,798 INFO L225 Difference]: With dead ends: 8731 [2021-06-05 10:29:10,798 INFO L226 Difference]: Without dead ends: 8731 [2021-06-05 10:29:10,799 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1396.8ms TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:10,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2021-06-05 10:29:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 4580. [2021-06-05 10:29:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4580 states, 4578 states have (on average 2.68348623853211) internal successors, (12285), 4579 states have internal predecessors, (12285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 12285 transitions. [2021-06-05 10:29:10,910 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 12285 transitions. Word has length 114 [2021-06-05 10:29:10,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:10,910 INFO L482 AbstractCegarLoop]: Abstraction has 4580 states and 12285 transitions. [2021-06-05 10:29:10,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 12285 transitions. [2021-06-05 10:29:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:10,918 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:10,918 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:10,918 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 10:29:10,918 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:10,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:10,918 INFO L82 PathProgramCache]: Analyzing trace with hash -411302450, now seen corresponding path program 9 times [2021-06-05 10:29:10,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:10,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226419858] [2021-06-05 10:29:10,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:11,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:11,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226419858] [2021-06-05 10:29:11,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226419858] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:11,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:11,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:11,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654766393] [2021-06-05 10:29:11,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:11,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:11,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:11,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:11,412 INFO L87 Difference]: Start difference. First operand 4580 states and 12285 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:12,093 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-06-05 10:29:12,242 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:12,407 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:12,583 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:12,760 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:12,883 INFO L93 Difference]: Finished difference Result 8479 states and 22743 transitions. [2021-06-05 10:29:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:12,883 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:12,894 INFO L225 Difference]: With dead ends: 8479 [2021-06-05 10:29:12,894 INFO L226 Difference]: Without dead ends: 8479 [2021-06-05 10:29:12,895 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1426.5ms TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2021-06-05 10:29:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 4594. [2021-06-05 10:29:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4594 states, 4592 states have (on average 2.684233449477352) internal successors, (12326), 4593 states have internal predecessors, (12326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4594 states to 4594 states and 12326 transitions. [2021-06-05 10:29:12,998 INFO L78 Accepts]: Start accepts. Automaton has 4594 states and 12326 transitions. Word has length 114 [2021-06-05 10:29:12,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:12,998 INFO L482 AbstractCegarLoop]: Abstraction has 4594 states and 12326 transitions. [2021-06-05 10:29:12,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4594 states and 12326 transitions. [2021-06-05 10:29:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:13,005 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:13,005 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:13,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 10:29:13,006 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:13,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:13,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1724172172, now seen corresponding path program 10 times [2021-06-05 10:29:13,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:13,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456068039] [2021-06-05 10:29:13,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:13,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:13,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456068039] [2021-06-05 10:29:13,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456068039] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:13,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:13,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:13,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49755785] [2021-06-05 10:29:13,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:13,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:13,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:13,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:13,514 INFO L87 Difference]: Start difference. First operand 4594 states and 12326 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:14,286 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:14,441 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:14,639 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:29:14,824 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:29:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:14,932 INFO L93 Difference]: Finished difference Result 7977 states and 21077 transitions. [2021-06-05 10:29:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:14,932 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:14,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:14,940 INFO L225 Difference]: With dead ends: 7977 [2021-06-05 10:29:14,940 INFO L226 Difference]: Without dead ends: 7977 [2021-06-05 10:29:14,940 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1383.8ms TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:14,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7977 states. [2021-06-05 10:29:15,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7977 to 4692. [2021-06-05 10:29:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4692 states, 4690 states have (on average 2.6714285714285713) internal successors, (12529), 4691 states have internal predecessors, (12529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 12529 transitions. [2021-06-05 10:29:15,046 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 12529 transitions. Word has length 114 [2021-06-05 10:29:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:15,046 INFO L482 AbstractCegarLoop]: Abstraction has 4692 states and 12529 transitions. [2021-06-05 10:29:15,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 12529 transitions. [2021-06-05 10:29:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:15,054 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:15,054 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:15,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 10:29:15,054 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:15,055 INFO L82 PathProgramCache]: Analyzing trace with hash -9117170, now seen corresponding path program 11 times [2021-06-05 10:29:15,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:15,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312048665] [2021-06-05 10:29:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:15,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:15,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312048665] [2021-06-05 10:29:15,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312048665] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:15,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:15,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:15,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133096829] [2021-06-05 10:29:15,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:15,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:15,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:15,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:15,497 INFO L87 Difference]: Start difference. First operand 4692 states and 12529 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:16,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:16,552 INFO L93 Difference]: Finished difference Result 6412 states and 16826 transitions. [2021-06-05 10:29:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:16,552 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:16,558 INFO L225 Difference]: With dead ends: 6412 [2021-06-05 10:29:16,558 INFO L226 Difference]: Without dead ends: 6412 [2021-06-05 10:29:16,559 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 910.1ms TimeCoverageRelationStatistics Valid=329, Invalid=793, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:16,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6412 states. [2021-06-05 10:29:16,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6412 to 4842. [2021-06-05 10:29:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4842 states, 4840 states have (on average 2.671694214876033) internal successors, (12931), 4841 states have internal predecessors, (12931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4842 states to 4842 states and 12931 transitions. [2021-06-05 10:29:16,645 INFO L78 Accepts]: Start accepts. Automaton has 4842 states and 12931 transitions. Word has length 114 [2021-06-05 10:29:16,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:16,645 INFO L482 AbstractCegarLoop]: Abstraction has 4842 states and 12931 transitions. [2021-06-05 10:29:16,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4842 states and 12931 transitions. [2021-06-05 10:29:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:16,654 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:16,654 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:16,654 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 10:29:16,654 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:16,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:16,655 INFO L82 PathProgramCache]: Analyzing trace with hash -319151462, now seen corresponding path program 1 times [2021-06-05 10:29:16,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:16,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659093486] [2021-06-05 10:29:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:17,157 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:17,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659093486] [2021-06-05 10:29:17,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659093486] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:17,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:17,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:17,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920848787] [2021-06-05 10:29:17,158 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:17,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:17,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:17,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:17,159 INFO L87 Difference]: Start difference. First operand 4842 states and 12931 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:18,771 INFO L93 Difference]: Finished difference Result 5010 states and 13247 transitions. [2021-06-05 10:29:18,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:29:18,771 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:18,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:18,777 INFO L225 Difference]: With dead ends: 5010 [2021-06-05 10:29:18,777 INFO L226 Difference]: Without dead ends: 5010 [2021-06-05 10:29:18,778 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1228.5ms TimeCoverageRelationStatistics Valid=534, Invalid=1536, Unknown=0, NotChecked=0, Total=2070 [2021-06-05 10:29:18,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2021-06-05 10:29:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 4966. [2021-06-05 10:29:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4966 states, 4964 states have (on average 2.6516921837228042) internal successors, (13163), 4965 states have internal predecessors, (13163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 4966 states and 13163 transitions. [2021-06-05 10:29:18,865 INFO L78 Accepts]: Start accepts. Automaton has 4966 states and 13163 transitions. Word has length 114 [2021-06-05 10:29:18,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:18,866 INFO L482 AbstractCegarLoop]: Abstraction has 4966 states and 13163 transitions. [2021-06-05 10:29:18,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4966 states and 13163 transitions. [2021-06-05 10:29:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:18,877 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:18,877 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:18,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 10:29:18,877 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:18,878 INFO L82 PathProgramCache]: Analyzing trace with hash 884172954, now seen corresponding path program 12 times [2021-06-05 10:29:18,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:18,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021732542] [2021-06-05 10:29:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:19,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:19,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021732542] [2021-06-05 10:29:19,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021732542] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:19,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:19,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:19,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373730094] [2021-06-05 10:29:19,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:19,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:19,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:19,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:19,305 INFO L87 Difference]: Start difference. First operand 4966 states and 13163 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:20,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:20,466 INFO L93 Difference]: Finished difference Result 7199 states and 18344 transitions. [2021-06-05 10:29:20,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:20,466 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:20,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:20,473 INFO L225 Difference]: With dead ends: 7199 [2021-06-05 10:29:20,473 INFO L226 Difference]: Without dead ends: 7199 [2021-06-05 10:29:20,474 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1043.2ms TimeCoverageRelationStatistics Valid=360, Invalid=900, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:20,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7199 states. [2021-06-05 10:29:20,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7199 to 5066. [2021-06-05 10:29:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 5064 states have (on average 2.646129541864139) internal successors, (13400), 5065 states have internal predecessors, (13400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 13400 transitions. [2021-06-05 10:29:20,560 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 13400 transitions. Word has length 114 [2021-06-05 10:29:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:20,560 INFO L482 AbstractCegarLoop]: Abstraction has 5066 states and 13400 transitions. [2021-06-05 10:29:20,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 13400 transitions. [2021-06-05 10:29:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:20,567 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:20,567 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:20,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 10:29:20,567 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:20,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:20,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1591610796, now seen corresponding path program 13 times [2021-06-05 10:29:20,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:20,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156471189] [2021-06-05 10:29:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:21,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:21,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156471189] [2021-06-05 10:29:21,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156471189] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:21,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:21,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:21,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849069038] [2021-06-05 10:29:21,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:21,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:21,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:21,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:21,034 INFO L87 Difference]: Start difference. First operand 5066 states and 13400 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:21,895 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:22,100 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:22,287 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:22,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:22,395 INFO L93 Difference]: Finished difference Result 9064 states and 23840 transitions. [2021-06-05 10:29:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:22,395 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:22,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:22,405 INFO L225 Difference]: With dead ends: 9064 [2021-06-05 10:29:22,405 INFO L226 Difference]: Without dead ends: 9064 [2021-06-05 10:29:22,406 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1316.4ms TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9064 states. [2021-06-05 10:29:22,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9064 to 5066. [2021-06-05 10:29:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 5064 states have (on average 2.646129541864139) internal successors, (13400), 5065 states have internal predecessors, (13400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 13400 transitions. [2021-06-05 10:29:22,515 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 13400 transitions. Word has length 114 [2021-06-05 10:29:22,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:22,516 INFO L482 AbstractCegarLoop]: Abstraction has 5066 states and 13400 transitions. [2021-06-05 10:29:22,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 13400 transitions. [2021-06-05 10:29:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:22,523 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:22,523 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:22,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 10:29:22,523 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1931855154, now seen corresponding path program 14 times [2021-06-05 10:29:22,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:22,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073479954] [2021-06-05 10:29:22,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:22,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:22,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073479954] [2021-06-05 10:29:22,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073479954] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:22,994 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:22,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:22,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462925790] [2021-06-05 10:29:22,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:22,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:22,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:22,995 INFO L87 Difference]: Start difference. First operand 5066 states and 13400 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:23,873 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:24,048 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:24,228 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:24,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:24,336 INFO L93 Difference]: Finished difference Result 7143 states and 18710 transitions. [2021-06-05 10:29:24,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:24,337 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:24,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:24,343 INFO L225 Difference]: With dead ends: 7143 [2021-06-05 10:29:24,343 INFO L226 Difference]: Without dead ends: 7143 [2021-06-05 10:29:24,344 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1326.9ms TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:24,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7143 states. [2021-06-05 10:29:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7143 to 5066. [2021-06-05 10:29:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 5064 states have (on average 2.646129541864139) internal successors, (13400), 5065 states have internal predecessors, (13400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 13400 transitions. [2021-06-05 10:29:24,431 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 13400 transitions. Word has length 114 [2021-06-05 10:29:24,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:24,431 INFO L482 AbstractCegarLoop]: Abstraction has 5066 states and 13400 transitions. [2021-06-05 10:29:24,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 13400 transitions. [2021-06-05 10:29:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:24,438 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:24,438 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:24,438 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 10:29:24,438 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:24,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:24,439 INFO L82 PathProgramCache]: Analyzing trace with hash -2115845364, now seen corresponding path program 15 times [2021-06-05 10:29:24,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:24,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305768043] [2021-06-05 10:29:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:24,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:24,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305768043] [2021-06-05 10:29:24,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305768043] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:24,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:24,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:24,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441953254] [2021-06-05 10:29:24,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:24,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:24,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:24,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:24,854 INFO L87 Difference]: Start difference. First operand 5066 states and 13400 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:25,584 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:25,722 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:25,894 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:26,075 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:26,202 INFO L93 Difference]: Finished difference Result 11856 states and 31073 transitions. [2021-06-05 10:29:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:26,202 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:26,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:26,214 INFO L225 Difference]: With dead ends: 11856 [2021-06-05 10:29:26,214 INFO L226 Difference]: Without dead ends: 11856 [2021-06-05 10:29:26,215 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1271.7ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11856 states. [2021-06-05 10:29:26,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11856 to 5154. [2021-06-05 10:29:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5154 states, 5152 states have (on average 2.650621118012422) internal successors, (13656), 5153 states have internal predecessors, (13656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 5154 states and 13656 transitions. [2021-06-05 10:29:26,326 INFO L78 Accepts]: Start accepts. Automaton has 5154 states and 13656 transitions. Word has length 114 [2021-06-05 10:29:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:26,326 INFO L482 AbstractCegarLoop]: Abstraction has 5154 states and 13656 transitions. [2021-06-05 10:29:26,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5154 states and 13656 transitions. [2021-06-05 10:29:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:26,332 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:26,332 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:26,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 10:29:26,333 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:26,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:26,333 INFO L82 PathProgramCache]: Analyzing trace with hash -202608628, now seen corresponding path program 16 times [2021-06-05 10:29:26,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:26,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564304190] [2021-06-05 10:29:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:26,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:26,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564304190] [2021-06-05 10:29:26,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564304190] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:26,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:26,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:26,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62986870] [2021-06-05 10:29:26,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:26,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:26,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:26,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:26,730 INFO L87 Difference]: Start difference. First operand 5154 states and 13656 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:27,499 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:27,651 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:27,803 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:27,991 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:28,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:28,115 INFO L93 Difference]: Finished difference Result 14480 states and 37796 transitions. [2021-06-05 10:29:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:28,116 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:28,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:28,129 INFO L225 Difference]: With dead ends: 14480 [2021-06-05 10:29:28,129 INFO L226 Difference]: Without dead ends: 14480 [2021-06-05 10:29:28,129 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1283.3ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:28,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-06-05 10:29:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 5170. [2021-06-05 10:29:28,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 5168 states have (on average 2.651315789473684) internal successors, (13702), 5169 states have internal predecessors, (13702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:28,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 13702 transitions. [2021-06-05 10:29:28,252 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 13702 transitions. Word has length 114 [2021-06-05 10:29:28,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:28,253 INFO L482 AbstractCegarLoop]: Abstraction has 5170 states and 13702 transitions. [2021-06-05 10:29:28,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 13702 transitions. [2021-06-05 10:29:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:28,259 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:28,259 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:28,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 10:29:28,259 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1932865994, now seen corresponding path program 17 times [2021-06-05 10:29:28,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:28,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463269339] [2021-06-05 10:29:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:28,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:28,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463269339] [2021-06-05 10:29:28,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463269339] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:28,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:28,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:28,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514230450] [2021-06-05 10:29:28,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:28,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:28,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:28,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:28,671 INFO L87 Difference]: Start difference. First operand 5170 states and 13702 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:29,478 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:29,628 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:29,792 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:29:29,969 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:29:30,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:30,089 INFO L93 Difference]: Finished difference Result 12760 states and 33084 transitions. [2021-06-05 10:29:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:30,090 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:30,103 INFO L225 Difference]: With dead ends: 12760 [2021-06-05 10:29:30,103 INFO L226 Difference]: Without dead ends: 12760 [2021-06-05 10:29:30,104 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1355.9ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:30,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12760 states. [2021-06-05 10:29:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12760 to 5142. [2021-06-05 10:29:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5142 states, 5140 states have (on average 2.646303501945525) internal successors, (13602), 5141 states have internal predecessors, (13602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 13602 transitions. [2021-06-05 10:29:30,195 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 13602 transitions. Word has length 114 [2021-06-05 10:29:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:30,195 INFO L482 AbstractCegarLoop]: Abstraction has 5142 states and 13602 transitions. [2021-06-05 10:29:30,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 13602 transitions. [2021-06-05 10:29:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:30,199 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:30,199 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:30,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 10:29:30,200 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:30,200 INFO L82 PathProgramCache]: Analyzing trace with hash 119137996, now seen corresponding path program 18 times [2021-06-05 10:29:30,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:30,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846511928] [2021-06-05 10:29:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:30,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:30,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846511928] [2021-06-05 10:29:30,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846511928] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:30,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:30,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:30,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250926997] [2021-06-05 10:29:30,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:30,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:30,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:30,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:30,569 INFO L87 Difference]: Start difference. First operand 5142 states and 13602 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:31,259 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:29:31,399 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:31,556 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:31,729 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:31,851 INFO L93 Difference]: Finished difference Result 11468 states and 29977 transitions. [2021-06-05 10:29:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:31,851 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:31,862 INFO L225 Difference]: With dead ends: 11468 [2021-06-05 10:29:31,862 INFO L226 Difference]: Without dead ends: 11468 [2021-06-05 10:29:31,862 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1204.3ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11468 states. [2021-06-05 10:29:31,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11468 to 5172. [2021-06-05 10:29:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5172 states, 5170 states have (on average 2.6477756286266922) internal successors, (13689), 5171 states have internal predecessors, (13689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5172 states to 5172 states and 13689 transitions. [2021-06-05 10:29:31,956 INFO L78 Accepts]: Start accepts. Automaton has 5172 states and 13689 transitions. Word has length 114 [2021-06-05 10:29:31,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:31,956 INFO L482 AbstractCegarLoop]: Abstraction has 5172 states and 13689 transitions. [2021-06-05 10:29:31,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5172 states and 13689 transitions. [2021-06-05 10:29:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:31,960 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:31,960 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:31,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 10:29:31,961 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:31,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:31,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2040354678, now seen corresponding path program 19 times [2021-06-05 10:29:31,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:31,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973763459] [2021-06-05 10:29:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:32,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:32,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973763459] [2021-06-05 10:29:32,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973763459] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:32,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:32,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:32,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861333099] [2021-06-05 10:29:32,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:32,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:32,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:32,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:32,388 INFO L87 Difference]: Start difference. First operand 5172 states and 13689 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:33,126 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:29:33,268 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:33,439 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:29:33,609 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:29:33,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:33,738 INFO L93 Difference]: Finished difference Result 12314 states and 31837 transitions. [2021-06-05 10:29:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:33,739 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:33,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:33,750 INFO L225 Difference]: With dead ends: 12314 [2021-06-05 10:29:33,750 INFO L226 Difference]: Without dead ends: 12314 [2021-06-05 10:29:33,750 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1302.2ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12314 states. [2021-06-05 10:29:33,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12314 to 5156. [2021-06-05 10:29:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5156 states, 5154 states have (on average 2.647070236709352) internal successors, (13643), 5155 states have internal predecessors, (13643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 13643 transitions. [2021-06-05 10:29:33,836 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 13643 transitions. Word has length 114 [2021-06-05 10:29:33,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:33,837 INFO L482 AbstractCegarLoop]: Abstraction has 5156 states and 13643 transitions. [2021-06-05 10:29:33,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 13643 transitions. [2021-06-05 10:29:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:33,842 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:33,842 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:33,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 10:29:33,842 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:33,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:33,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1242491218, now seen corresponding path program 20 times [2021-06-05 10:29:33,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:33,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358965174] [2021-06-05 10:29:33,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:34,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:34,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358965174] [2021-06-05 10:29:34,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358965174] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:34,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:34,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:34,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971817469] [2021-06-05 10:29:34,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:34,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:34,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:34,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:34,206 INFO L87 Difference]: Start difference. First operand 5156 states and 13643 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:34,934 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:29:35,081 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:35,246 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:29:35,452 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:29:35,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:35,580 INFO L93 Difference]: Finished difference Result 11614 states and 30208 transitions. [2021-06-05 10:29:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:35,581 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:35,592 INFO L225 Difference]: With dead ends: 11614 [2021-06-05 10:29:35,592 INFO L226 Difference]: Without dead ends: 11614 [2021-06-05 10:29:35,593 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1267.5ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:35,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11614 states. [2021-06-05 10:29:35,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11614 to 5170. [2021-06-05 10:29:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 5168 states have (on average 2.6478328173374615) internal successors, (13684), 5169 states have internal predecessors, (13684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 13684 transitions. [2021-06-05 10:29:35,697 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 13684 transitions. Word has length 114 [2021-06-05 10:29:35,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:35,698 INFO L482 AbstractCegarLoop]: Abstraction has 5170 states and 13684 transitions. [2021-06-05 10:29:35,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 13684 transitions. [2021-06-05 10:29:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:35,703 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:35,703 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:35,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 10:29:35,703 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:35,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:35,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1491038198, now seen corresponding path program 21 times [2021-06-05 10:29:35,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:35,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859497447] [2021-06-05 10:29:35,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:36,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:36,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859497447] [2021-06-05 10:29:36,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859497447] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:36,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:36,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:36,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936174677] [2021-06-05 10:29:36,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:36,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:36,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:36,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:36,099 INFO L87 Difference]: Start difference. First operand 5170 states and 13684 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:36,786 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:29:36,928 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:37,084 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:37,257 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:37,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:37,370 INFO L93 Difference]: Finished difference Result 8872 states and 23296 transitions. [2021-06-05 10:29:37,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:37,370 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:37,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:37,378 INFO L225 Difference]: With dead ends: 8872 [2021-06-05 10:29:37,378 INFO L226 Difference]: Without dead ends: 8872 [2021-06-05 10:29:37,379 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1194.3ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:37,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8872 states. [2021-06-05 10:29:37,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8872 to 5254. [2021-06-05 10:29:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5254 states, 5252 states have (on average 2.6523229246001523) internal successors, (13930), 5253 states have internal predecessors, (13930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 13930 transitions. [2021-06-05 10:29:37,450 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 13930 transitions. Word has length 114 [2021-06-05 10:29:37,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:37,450 INFO L482 AbstractCegarLoop]: Abstraction has 5254 states and 13930 transitions. [2021-06-05 10:29:37,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 13930 transitions. [2021-06-05 10:29:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:37,456 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:37,456 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:37,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 10:29:37,456 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:37,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:37,457 INFO L82 PathProgramCache]: Analyzing trace with hash -836185850, now seen corresponding path program 22 times [2021-06-05 10:29:37,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:37,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045731888] [2021-06-05 10:29:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:37,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:37,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045731888] [2021-06-05 10:29:37,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045731888] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:37,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:37,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:29:37,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215168922] [2021-06-05 10:29:37,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:29:37,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:37,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:29:37,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:37,840 INFO L87 Difference]: Start difference. First operand 5254 states and 13930 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:38,493 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-05 10:29:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:38,929 INFO L93 Difference]: Finished difference Result 6841 states and 17188 transitions. [2021-06-05 10:29:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:38,930 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:38,936 INFO L225 Difference]: With dead ends: 6841 [2021-06-05 10:29:38,936 INFO L226 Difference]: Without dead ends: 6841 [2021-06-05 10:29:38,937 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 978.6ms TimeCoverageRelationStatistics Valid=349, Invalid=911, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:38,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6841 states. [2021-06-05 10:29:39,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6841 to 5264. [2021-06-05 10:29:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5262 states have (on average 2.653933865450399) internal successors, (13965), 5263 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 13965 transitions. [2021-06-05 10:29:39,022 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 13965 transitions. Word has length 114 [2021-06-05 10:29:39,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:39,022 INFO L482 AbstractCegarLoop]: Abstraction has 5264 states and 13965 transitions. [2021-06-05 10:29:39,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 13965 transitions. [2021-06-05 10:29:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:39,028 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:39,028 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:39,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 10:29:39,029 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:39,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:39,029 INFO L82 PathProgramCache]: Analyzing trace with hash 2084443694, now seen corresponding path program 23 times [2021-06-05 10:29:39,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:39,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113894613] [2021-06-05 10:29:39,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:39,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:39,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113894613] [2021-06-05 10:29:39,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113894613] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:39,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:39,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:39,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567707597] [2021-06-05 10:29:39,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:39,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:39,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:39,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:39,465 INFO L87 Difference]: Start difference. First operand 5264 states and 13965 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:40,138 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:40,271 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:40,439 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:40,616 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:40,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:40,752 INFO L93 Difference]: Finished difference Result 14355 states and 37756 transitions. [2021-06-05 10:29:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:40,752 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:40,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:40,765 INFO L225 Difference]: With dead ends: 14355 [2021-06-05 10:29:40,766 INFO L226 Difference]: Without dead ends: 14355 [2021-06-05 10:29:40,766 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1204.9ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:40,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14355 states. [2021-06-05 10:29:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14355 to 5306. [2021-06-05 10:29:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5306 states, 5304 states have (on average 2.6561085972850678) internal successors, (14088), 5305 states have internal predecessors, (14088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 14088 transitions. [2021-06-05 10:29:40,870 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 14088 transitions. Word has length 114 [2021-06-05 10:29:40,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:40,870 INFO L482 AbstractCegarLoop]: Abstraction has 5306 states and 14088 transitions. [2021-06-05 10:29:40,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 14088 transitions. [2021-06-05 10:29:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:40,874 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:40,874 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:40,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 10:29:40,874 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:40,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:40,875 INFO L82 PathProgramCache]: Analyzing trace with hash -297286866, now seen corresponding path program 24 times [2021-06-05 10:29:40,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:40,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633308443] [2021-06-05 10:29:40,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:41,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:41,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633308443] [2021-06-05 10:29:41,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633308443] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:41,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:41,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:41,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135598132] [2021-06-05 10:29:41,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:41,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:41,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:41,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:41,248 INFO L87 Difference]: Start difference. First operand 5306 states and 14088 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:41,917 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:42,074 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:42,227 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:42,403 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:42,556 INFO L93 Difference]: Finished difference Result 14443 states and 37922 transitions. [2021-06-05 10:29:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:42,557 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:42,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:42,569 INFO L225 Difference]: With dead ends: 14443 [2021-06-05 10:29:42,570 INFO L226 Difference]: Without dead ends: 14443 [2021-06-05 10:29:42,570 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1218.6ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:42,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14443 states. [2021-06-05 10:29:42,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14443 to 5320. [2021-06-05 10:29:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5320 states, 5318 states have (on average 2.656825874388868) internal successors, (14129), 5319 states have internal predecessors, (14129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 14129 transitions. [2021-06-05 10:29:42,666 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 14129 transitions. Word has length 114 [2021-06-05 10:29:42,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:42,666 INFO L482 AbstractCegarLoop]: Abstraction has 5320 states and 14129 transitions. [2021-06-05 10:29:42,666 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:42,666 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 14129 transitions. [2021-06-05 10:29:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:42,670 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:42,670 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:42,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 10:29:42,670 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:42,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:42,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1838187756, now seen corresponding path program 25 times [2021-06-05 10:29:42,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:42,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813867407] [2021-06-05 10:29:42,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:43,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:43,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813867407] [2021-06-05 10:29:43,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813867407] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:43,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:43,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:43,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964494630] [2021-06-05 10:29:43,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:43,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:43,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:43,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:43,115 INFO L87 Difference]: Start difference. First operand 5320 states and 14129 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:43,845 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:44,003 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:44,173 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:29:44,348 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:29:44,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:44,488 INFO L93 Difference]: Finished difference Result 13859 states and 36040 transitions. [2021-06-05 10:29:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:44,489 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:44,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:44,502 INFO L225 Difference]: With dead ends: 13859 [2021-06-05 10:29:44,503 INFO L226 Difference]: Without dead ends: 13859 [2021-06-05 10:29:44,503 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1318.8ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:44,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13859 states. [2021-06-05 10:29:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13859 to 5278. [2021-06-05 10:29:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5278 states, 5276 states have (on average 2.6546626231993935) internal successors, (14006), 5277 states have internal predecessors, (14006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5278 states to 5278 states and 14006 transitions. [2021-06-05 10:29:44,600 INFO L78 Accepts]: Start accepts. Automaton has 5278 states and 14006 transitions. Word has length 114 [2021-06-05 10:29:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:44,600 INFO L482 AbstractCegarLoop]: Abstraction has 5278 states and 14006 transitions. [2021-06-05 10:29:44,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5278 states and 14006 transitions. [2021-06-05 10:29:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:44,604 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:44,604 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:44,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 10:29:44,604 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:44,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:44,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1705626380, now seen corresponding path program 26 times [2021-06-05 10:29:44,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:44,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943686303] [2021-06-05 10:29:44,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:44,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:44,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943686303] [2021-06-05 10:29:44,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943686303] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:44,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:44,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:44,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904247722] [2021-06-05 10:29:44,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:44,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:44,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:44,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:44,994 INFO L87 Difference]: Start difference. First operand 5278 states and 14006 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:45,826 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:46,001 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:46,180 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:46,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:46,292 INFO L93 Difference]: Finished difference Result 10401 states and 27226 transitions. [2021-06-05 10:29:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:46,292 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:46,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:46,301 INFO L225 Difference]: With dead ends: 10401 [2021-06-05 10:29:46,301 INFO L226 Difference]: Without dead ends: 10401 [2021-06-05 10:29:46,301 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1233.1ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10401 states. [2021-06-05 10:29:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10401 to 5264. [2021-06-05 10:29:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5262 states have (on average 2.653933865450399) internal successors, (13965), 5263 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 13965 transitions. [2021-06-05 10:29:46,390 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 13965 transitions. Word has length 114 [2021-06-05 10:29:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:46,390 INFO L482 AbstractCegarLoop]: Abstraction has 5264 states and 13965 transitions. [2021-06-05 10:29:46,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 13965 transitions. [2021-06-05 10:29:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:46,395 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:46,395 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:46,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 10:29:46,395 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:46,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:46,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1678541386, now seen corresponding path program 27 times [2021-06-05 10:29:46,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:46,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928082611] [2021-06-05 10:29:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:46,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:46,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928082611] [2021-06-05 10:29:46,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928082611] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:46,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:46,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:46,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118112073] [2021-06-05 10:29:46,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:46,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:46,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:46,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:46,819 INFO L87 Difference]: Start difference. First operand 5264 states and 13965 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:47,550 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:47,685 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:47,859 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:48,037 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:48,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:48,177 INFO L93 Difference]: Finished difference Result 12678 states and 33180 transitions. [2021-06-05 10:29:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:48,177 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:48,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:48,190 INFO L225 Difference]: With dead ends: 12678 [2021-06-05 10:29:48,190 INFO L226 Difference]: Without dead ends: 12678 [2021-06-05 10:29:48,191 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1285.5ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12678 states. [2021-06-05 10:29:48,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12678 to 5320. [2021-06-05 10:29:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5320 states, 5318 states have (on average 2.656825874388868) internal successors, (14129), 5319 states have internal predecessors, (14129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:48,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 14129 transitions. [2021-06-05 10:29:48,285 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 14129 transitions. Word has length 114 [2021-06-05 10:29:48,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:48,285 INFO L482 AbstractCegarLoop]: Abstraction has 5320 states and 14129 transitions. [2021-06-05 10:29:48,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:48,285 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 14129 transitions. [2021-06-05 10:29:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:48,289 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:48,290 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:48,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 10:29:48,290 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:48,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:48,290 INFO L82 PathProgramCache]: Analyzing trace with hash -703189174, now seen corresponding path program 28 times [2021-06-05 10:29:48,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:48,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389865835] [2021-06-05 10:29:48,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:48,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:48,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389865835] [2021-06-05 10:29:48,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389865835] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:48,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:48,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:48,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154454696] [2021-06-05 10:29:48,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:48,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:48,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:48,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:48,683 INFO L87 Difference]: Start difference. First operand 5320 states and 14129 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:49,399 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:49,560 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:49,719 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:49,897 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:50,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:50,036 INFO L93 Difference]: Finished difference Result 12766 states and 33346 transitions. [2021-06-05 10:29:50,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:50,036 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:50,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:50,047 INFO L225 Difference]: With dead ends: 12766 [2021-06-05 10:29:50,047 INFO L226 Difference]: Without dead ends: 12766 [2021-06-05 10:29:50,048 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1270.3ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:50,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12766 states. [2021-06-05 10:29:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12766 to 5334. [2021-06-05 10:29:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5334 states, 5332 states have (on average 2.6575393848462117) internal successors, (14170), 5333 states have internal predecessors, (14170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 14170 transitions. [2021-06-05 10:29:50,134 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 14170 transitions. Word has length 114 [2021-06-05 10:29:50,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:50,134 INFO L482 AbstractCegarLoop]: Abstraction has 5334 states and 14170 transitions. [2021-06-05 10:29:50,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 14170 transitions. [2021-06-05 10:29:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:50,138 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:50,138 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:50,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 10:29:50,138 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:50,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:50,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1432285448, now seen corresponding path program 29 times [2021-06-05 10:29:50,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:50,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737875791] [2021-06-05 10:29:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:50,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:50,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737875791] [2021-06-05 10:29:50,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737875791] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:50,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:50,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:50,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488659738] [2021-06-05 10:29:50,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:50,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:50,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:50,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:50,514 INFO L87 Difference]: Start difference. First operand 5334 states and 14170 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:51,184 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:51,339 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:51,508 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:29:51,680 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:29:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:51,807 INFO L93 Difference]: Finished difference Result 12182 states and 31464 transitions. [2021-06-05 10:29:51,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:51,808 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:51,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:51,818 INFO L225 Difference]: With dead ends: 12182 [2021-06-05 10:29:51,818 INFO L226 Difference]: Without dead ends: 12182 [2021-06-05 10:29:51,819 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1231.8ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:51,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12182 states. [2021-06-05 10:29:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12182 to 5292. [2021-06-05 10:29:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5292 states, 5290 states have (on average 2.6553875236294897) internal successors, (14047), 5291 states have internal predecessors, (14047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5292 states to 5292 states and 14047 transitions. [2021-06-05 10:29:51,908 INFO L78 Accepts]: Start accepts. Automaton has 5292 states and 14047 transitions. Word has length 114 [2021-06-05 10:29:51,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:51,909 INFO L482 AbstractCegarLoop]: Abstraction has 5292 states and 14047 transitions. [2021-06-05 10:29:51,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5292 states and 14047 transitions. [2021-06-05 10:29:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:51,913 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:51,913 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:51,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 10:29:51,913 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:51,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:51,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1299724072, now seen corresponding path program 30 times [2021-06-05 10:29:51,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:51,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934101270] [2021-06-05 10:29:51,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:52,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:52,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934101270] [2021-06-05 10:29:52,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934101270] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:52,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:52,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:52,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13818633] [2021-06-05 10:29:52,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:52,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:52,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:52,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:52,327 INFO L87 Difference]: Start difference. First operand 5292 states and 14047 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:53,135 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:53,315 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:53,496 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:53,617 INFO L93 Difference]: Finished difference Result 12234 states and 31730 transitions. [2021-06-05 10:29:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:53,617 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:53,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:53,627 INFO L225 Difference]: With dead ends: 12234 [2021-06-05 10:29:53,628 INFO L226 Difference]: Without dead ends: 12234 [2021-06-05 10:29:53,628 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1259.1ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12234 states. [2021-06-05 10:29:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12234 to 5278. [2021-06-05 10:29:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5278 states, 5276 states have (on average 2.6546626231993935) internal successors, (14006), 5277 states have internal predecessors, (14006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5278 states to 5278 states and 14006 transitions. [2021-06-05 10:29:53,713 INFO L78 Accepts]: Start accepts. Automaton has 5278 states and 14006 transitions. Word has length 114 [2021-06-05 10:29:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:53,714 INFO L482 AbstractCegarLoop]: Abstraction has 5278 states and 14006 transitions. [2021-06-05 10:29:53,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5278 states and 14006 transitions. [2021-06-05 10:29:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:53,717 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:53,718 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:53,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-05 10:29:53,718 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:53,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:53,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1639968430, now seen corresponding path program 31 times [2021-06-05 10:29:53,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:53,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052670305] [2021-06-05 10:29:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:54,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:54,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052670305] [2021-06-05 10:29:54,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052670305] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:54,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:54,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:54,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931332054] [2021-06-05 10:29:54,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:54,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:54,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:54,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:54,116 INFO L87 Difference]: Start difference. First operand 5278 states and 14006 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:54,936 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:55,113 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:55,294 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:55,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:55,413 INFO L93 Difference]: Finished difference Result 8660 states and 22484 transitions. [2021-06-05 10:29:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:55,413 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:55,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:55,421 INFO L225 Difference]: With dead ends: 8660 [2021-06-05 10:29:55,421 INFO L226 Difference]: Without dead ends: 8660 [2021-06-05 10:29:55,422 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1224.0ms TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:55,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8660 states. [2021-06-05 10:29:55,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8660 to 5264. [2021-06-05 10:29:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5262 states have (on average 2.653933865450399) internal successors, (13965), 5263 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 13965 transitions. [2021-06-05 10:29:55,496 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 13965 transitions. Word has length 114 [2021-06-05 10:29:55,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:55,496 INFO L482 AbstractCegarLoop]: Abstraction has 5264 states and 13965 transitions. [2021-06-05 10:29:55,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 13965 transitions. [2021-06-05 10:29:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:55,501 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:55,501 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:55,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-05 10:29:55,502 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:55,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:55,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1724788430, now seen corresponding path program 32 times [2021-06-05 10:29:55,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:55,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009103665] [2021-06-05 10:29:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:55,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:55,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009103665] [2021-06-05 10:29:55,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009103665] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:55,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:55,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:55,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863344362] [2021-06-05 10:29:55,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:55,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:55,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:55,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:55,899 INFO L87 Difference]: Start difference. First operand 5264 states and 13965 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:56,613 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:56,748 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:29:56,918 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:57,097 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:57,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:57,246 INFO L93 Difference]: Finished difference Result 18822 states and 49472 transitions. [2021-06-05 10:29:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:57,246 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:57,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:57,263 INFO L225 Difference]: With dead ends: 18822 [2021-06-05 10:29:57,263 INFO L226 Difference]: Without dead ends: 18822 [2021-06-05 10:29:57,264 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1223.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18822 states. [2021-06-05 10:29:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18822 to 5400. [2021-06-05 10:29:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5400 states, 5398 states have (on average 2.660059281215265) internal successors, (14359), 5399 states have internal predecessors, (14359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 5400 states and 14359 transitions. [2021-06-05 10:29:57,381 INFO L78 Accepts]: Start accepts. Automaton has 5400 states and 14359 transitions. Word has length 114 [2021-06-05 10:29:57,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:57,381 INFO L482 AbstractCegarLoop]: Abstraction has 5400 states and 14359 transitions. [2021-06-05 10:29:57,382 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5400 states and 14359 transitions. [2021-06-05 10:29:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:57,386 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:57,386 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:57,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-05 10:29:57,386 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:57,387 INFO L82 PathProgramCache]: Analyzing trace with hash -656942130, now seen corresponding path program 33 times [2021-06-05 10:29:57,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:57,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256816839] [2021-06-05 10:29:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:57,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:57,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256816839] [2021-06-05 10:29:57,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256816839] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:57,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:57,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:57,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552038945] [2021-06-05 10:29:57,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:57,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:57,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:57,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:57,781 INFO L87 Difference]: Start difference. First operand 5400 states and 14359 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:58,583 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:29:58,735 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:29:58,885 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:29:59,062 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:29:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:59,222 INFO L93 Difference]: Finished difference Result 21446 states and 56195 transitions. [2021-06-05 10:29:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:29:59,222 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:29:59,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:59,242 INFO L225 Difference]: With dead ends: 21446 [2021-06-05 10:29:59,242 INFO L226 Difference]: Without dead ends: 21446 [2021-06-05 10:29:59,242 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1341.4ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:29:59,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21446 states. [2021-06-05 10:29:59,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21446 to 5416. [2021-06-05 10:29:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5414 states have (on average 2.6606944957517547) internal successors, (14405), 5415 states have internal predecessors, (14405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 14405 transitions. [2021-06-05 10:29:59,377 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 14405 transitions. Word has length 114 [2021-06-05 10:29:59,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:59,377 INFO L482 AbstractCegarLoop]: Abstraction has 5416 states and 14405 transitions. [2021-06-05 10:29:59,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 14405 transitions. [2021-06-05 10:29:59,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:29:59,381 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:59,382 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:59,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-05 10:29:59,382 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:29:59,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:59,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1478532492, now seen corresponding path program 34 times [2021-06-05 10:29:59,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:59,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701449653] [2021-06-05 10:29:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:59,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:59,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701449653] [2021-06-05 10:29:59,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701449653] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:59,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:59,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:59,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102052717] [2021-06-05 10:29:59,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:59,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:59,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:59,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:59,780 INFO L87 Difference]: Start difference. First operand 5416 states and 14405 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:00,468 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:00,619 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:00,783 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:00,955 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:01,090 INFO L93 Difference]: Finished difference Result 19726 states and 51483 transitions. [2021-06-05 10:30:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:01,090 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:01,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:01,108 INFO L225 Difference]: With dead ends: 19726 [2021-06-05 10:30:01,108 INFO L226 Difference]: Without dead ends: 19726 [2021-06-05 10:30:01,108 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1265.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:01,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19726 states. [2021-06-05 10:30:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19726 to 5388. [2021-06-05 10:30:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5388 states, 5386 states have (on average 2.655959896026736) internal successors, (14305), 5387 states have internal predecessors, (14305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 14305 transitions. [2021-06-05 10:30:01,232 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 14305 transitions. Word has length 114 [2021-06-05 10:30:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:01,232 INFO L482 AbstractCegarLoop]: Abstraction has 5388 states and 14305 transitions. [2021-06-05 10:30:01,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 14305 transitions. [2021-06-05 10:30:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:01,236 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:01,236 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:01,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-05 10:30:01,236 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:01,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:01,237 INFO L82 PathProgramCache]: Analyzing trace with hash -335195506, now seen corresponding path program 35 times [2021-06-05 10:30:01,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:01,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395718125] [2021-06-05 10:30:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:01,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:01,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395718125] [2021-06-05 10:30:01,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395718125] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:01,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:01,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:01,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578895194] [2021-06-05 10:30:01,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:01,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:01,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:01,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:01,603 INFO L87 Difference]: Start difference. First operand 5388 states and 14305 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:02,445 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:02,588 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:02,745 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:02,922 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:03,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:03,067 INFO L93 Difference]: Finished difference Result 18926 states and 49630 transitions. [2021-06-05 10:30:03,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:03,068 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:03,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:03,086 INFO L225 Difference]: With dead ends: 18926 [2021-06-05 10:30:03,086 INFO L226 Difference]: Without dead ends: 18926 [2021-06-05 10:30:03,086 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1327.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18926 states. [2021-06-05 10:30:03,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18926 to 5420. [2021-06-05 10:30:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5420 states, 5418 states have (on average 2.6572535991140644) internal successors, (14397), 5419 states have internal predecessors, (14397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5420 states to 5420 states and 14397 transitions. [2021-06-05 10:30:03,212 INFO L78 Accepts]: Start accepts. Automaton has 5420 states and 14397 transitions. Word has length 114 [2021-06-05 10:30:03,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:03,212 INFO L482 AbstractCegarLoop]: Abstraction has 5420 states and 14397 transitions. [2021-06-05 10:30:03,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5420 states and 14397 transitions. [2021-06-05 10:30:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:03,217 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:03,217 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:03,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-05 10:30:03,217 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:03,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:03,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1800279116, now seen corresponding path program 36 times [2021-06-05 10:30:03,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:03,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044916756] [2021-06-05 10:30:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:03,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:03,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044916756] [2021-06-05 10:30:03,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044916756] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:03,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:03,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:03,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574089611] [2021-06-05 10:30:03,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:03,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:03,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:03,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:03,586 INFO L87 Difference]: Start difference. First operand 5420 states and 14397 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:04,329 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:04,472 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:04,644 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:04,818 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:04,978 INFO L93 Difference]: Finished difference Result 19772 states and 51490 transitions. [2021-06-05 10:30:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:04,979 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:04,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:04,998 INFO L225 Difference]: With dead ends: 19772 [2021-06-05 10:30:04,999 INFO L226 Difference]: Without dead ends: 19772 [2021-06-05 10:30:04,999 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1260.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:05,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19772 states. [2021-06-05 10:30:05,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19772 to 5404. [2021-06-05 10:30:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5404 states, 5402 states have (on average 2.6566086634579786) internal successors, (14351), 5403 states have internal predecessors, (14351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 14351 transitions. [2021-06-05 10:30:05,144 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 14351 transitions. Word has length 114 [2021-06-05 10:30:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:05,145 INFO L482 AbstractCegarLoop]: Abstraction has 5404 states and 14351 transitions. [2021-06-05 10:30:05,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 14351 transitions. [2021-06-05 10:30:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:05,150 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:05,150 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:05,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-05 10:30:05,151 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:05,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:05,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1696824720, now seen corresponding path program 37 times [2021-06-05 10:30:05,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:05,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200233093] [2021-06-05 10:30:05,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:05,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:05,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200233093] [2021-06-05 10:30:05,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200233093] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:05,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:05,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:05,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989913920] [2021-06-05 10:30:05,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:05,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:05,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:05,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:05,467 INFO L87 Difference]: Start difference. First operand 5404 states and 14351 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:06,194 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:06,339 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:06,510 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:06,687 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:06,839 INFO L93 Difference]: Finished difference Result 19072 states and 49861 transitions. [2021-06-05 10:30:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:06,839 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:06,857 INFO L225 Difference]: With dead ends: 19072 [2021-06-05 10:30:06,858 INFO L226 Difference]: Without dead ends: 19072 [2021-06-05 10:30:06,858 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1206.1ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:06,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19072 states. [2021-06-05 10:30:06,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19072 to 5420. [2021-06-05 10:30:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5420 states, 5418 states have (on average 2.6572535991140644) internal successors, (14397), 5419 states have internal predecessors, (14397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5420 states to 5420 states and 14397 transitions. [2021-06-05 10:30:06,981 INFO L78 Accepts]: Start accepts. Automaton has 5420 states and 14397 transitions. Word has length 114 [2021-06-05 10:30:06,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:06,981 INFO L482 AbstractCegarLoop]: Abstraction has 5420 states and 14397 transitions. [2021-06-05 10:30:06,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5420 states and 14397 transitions. [2021-06-05 10:30:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:06,987 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:06,987 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:06,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-05 10:30:06,987 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:06,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:06,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1945371700, now seen corresponding path program 38 times [2021-06-05 10:30:06,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:06,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689368801] [2021-06-05 10:30:06,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:07,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:07,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689368801] [2021-06-05 10:30:07,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689368801] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:07,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:07,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:07,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407370263] [2021-06-05 10:30:07,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:07,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:07,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:07,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:07,309 INFO L87 Difference]: Start difference. First operand 5420 states and 14397 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:08,015 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:08,159 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:08,316 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:08,496 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:08,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:08,638 INFO L93 Difference]: Finished difference Result 16330 states and 42949 transitions. [2021-06-05 10:30:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:08,638 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:08,654 INFO L225 Difference]: With dead ends: 16330 [2021-06-05 10:30:08,654 INFO L226 Difference]: Without dead ends: 16330 [2021-06-05 10:30:08,655 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1196.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:08,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16330 states. [2021-06-05 10:30:08,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16330 to 5376. [2021-06-05 10:30:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 5374 states have (on average 2.654075176777075) internal successors, (14263), 5375 states have internal predecessors, (14263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 14263 transitions. [2021-06-05 10:30:08,809 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 14263 transitions. Word has length 114 [2021-06-05 10:30:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:08,809 INFO L482 AbstractCegarLoop]: Abstraction has 5376 states and 14263 transitions. [2021-06-05 10:30:08,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 14263 transitions. [2021-06-05 10:30:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:08,813 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:08,813 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:08,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-05 10:30:08,813 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:08,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:08,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1630110192, now seen corresponding path program 39 times [2021-06-05 10:30:08,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:08,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830111660] [2021-06-05 10:30:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:09,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:09,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830111660] [2021-06-05 10:30:09,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830111660] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:09,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:09,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:09,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564176791] [2021-06-05 10:30:09,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:09,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:09,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:09,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:09,153 INFO L87 Difference]: Start difference. First operand 5376 states and 14263 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:09,845 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:09,980 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:30:10,152 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:10,334 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:10,475 INFO L93 Difference]: Finished difference Result 17522 states and 46341 transitions. [2021-06-05 10:30:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:10,476 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:10,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:10,492 INFO L225 Difference]: With dead ends: 17522 [2021-06-05 10:30:10,492 INFO L226 Difference]: Without dead ends: 17522 [2021-06-05 10:30:10,492 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1202.3ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:10,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17522 states. [2021-06-05 10:30:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17522 to 5424. [2021-06-05 10:30:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5424 states, 5422 states have (on average 2.656030984876429) internal successors, (14401), 5423 states have internal predecessors, (14401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5424 states to 5424 states and 14401 transitions. [2021-06-05 10:30:10,606 INFO L78 Accepts]: Start accepts. Automaton has 5424 states and 14401 transitions. Word has length 114 [2021-06-05 10:30:10,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:10,606 INFO L482 AbstractCegarLoop]: Abstraction has 5424 states and 14401 transitions. [2021-06-05 10:30:10,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 14401 transitions. [2021-06-05 10:30:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:10,611 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:10,611 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:10,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-06-05 10:30:10,611 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:10,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:10,611 INFO L82 PathProgramCache]: Analyzing trace with hash -751620368, now seen corresponding path program 40 times [2021-06-05 10:30:10,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:10,611 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866742840] [2021-06-05 10:30:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:10,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:10,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866742840] [2021-06-05 10:30:10,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866742840] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:10,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:10,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:10,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781885989] [2021-06-05 10:30:10,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:10,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:10,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:10,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:10,972 INFO L87 Difference]: Start difference. First operand 5424 states and 14401 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:11,686 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:11,849 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:12,007 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:12,203 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:12,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:12,360 INFO L93 Difference]: Finished difference Result 17598 states and 46477 transitions. [2021-06-05 10:30:12,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:12,361 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:12,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:12,377 INFO L225 Difference]: With dead ends: 17598 [2021-06-05 10:30:12,377 INFO L226 Difference]: Without dead ends: 17598 [2021-06-05 10:30:12,378 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1240.5ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:12,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17598 states. [2021-06-05 10:30:12,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17598 to 5440. [2021-06-05 10:30:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5440 states, 5438 states have (on average 2.656675248253034) internal successors, (14447), 5439 states have internal predecessors, (14447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5440 states to 5440 states and 14447 transitions. [2021-06-05 10:30:12,498 INFO L78 Accepts]: Start accepts. Automaton has 5440 states and 14447 transitions. Word has length 114 [2021-06-05 10:30:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:12,499 INFO L482 AbstractCegarLoop]: Abstraction has 5440 states and 14447 transitions. [2021-06-05 10:30:12,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5440 states and 14447 transitions. [2021-06-05 10:30:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:12,503 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:12,503 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:12,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-05 10:30:12,504 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:12,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1383854254, now seen corresponding path program 41 times [2021-06-05 10:30:12,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:12,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124176352] [2021-06-05 10:30:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:12,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:12,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124176352] [2021-06-05 10:30:12,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124176352] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:12,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:12,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:12,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952913439] [2021-06-05 10:30:12,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:12,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:12,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:12,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:12,873 INFO L87 Difference]: Start difference. First operand 5440 states and 14447 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:13,582 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:13,743 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:13,914 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:14,090 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:14,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:14,237 INFO L93 Difference]: Finished difference Result 16982 states and 44503 transitions. [2021-06-05 10:30:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:14,237 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:14,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:14,254 INFO L225 Difference]: With dead ends: 16982 [2021-06-05 10:30:14,254 INFO L226 Difference]: Without dead ends: 16982 [2021-06-05 10:30:14,255 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1232.1ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:14,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16982 states. [2021-06-05 10:30:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16982 to 5392. [2021-06-05 10:30:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5392 states, 5390 states have (on average 2.6547309833024118) internal successors, (14309), 5391 states have internal predecessors, (14309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 5392 states and 14309 transitions. [2021-06-05 10:30:14,371 INFO L78 Accepts]: Start accepts. Automaton has 5392 states and 14309 transitions. Word has length 114 [2021-06-05 10:30:14,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:14,371 INFO L482 AbstractCegarLoop]: Abstraction has 5392 states and 14309 transitions. [2021-06-05 10:30:14,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5392 states and 14309 transitions. [2021-06-05 10:30:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:14,378 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:14,378 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:14,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-06-05 10:30:14,378 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:14,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:14,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1251292878, now seen corresponding path program 42 times [2021-06-05 10:30:14,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:14,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779321316] [2021-06-05 10:30:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:14,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:14,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779321316] [2021-06-05 10:30:14,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779321316] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:14,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:14,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:14,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854951343] [2021-06-05 10:30:14,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:14,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:14,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:14,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:14,729 INFO L87 Difference]: Start difference. First operand 5392 states and 14309 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:15,591 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:30:15,768 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:15,948 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:16,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:16,083 INFO L93 Difference]: Finished difference Result 13742 states and 36256 transitions. [2021-06-05 10:30:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:16,084 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:16,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:16,097 INFO L225 Difference]: With dead ends: 13742 [2021-06-05 10:30:16,097 INFO L226 Difference]: Without dead ends: 13742 [2021-06-05 10:30:16,098 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1228.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13742 states. [2021-06-05 10:30:16,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13742 to 5364. [2021-06-05 10:30:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5364 states, 5362 states have (on average 2.653301007086908) internal successors, (14227), 5363 states have internal predecessors, (14227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5364 states to 5364 states and 14227 transitions. [2021-06-05 10:30:16,191 INFO L78 Accepts]: Start accepts. Automaton has 5364 states and 14227 transitions. Word has length 114 [2021-06-05 10:30:16,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:16,191 INFO L482 AbstractCegarLoop]: Abstraction has 5364 states and 14227 transitions. [2021-06-05 10:30:16,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5364 states and 14227 transitions. [2021-06-05 10:30:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:16,195 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:16,195 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:16,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-05 10:30:16,195 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:16,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:16,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1732158226, now seen corresponding path program 43 times [2021-06-05 10:30:16,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:16,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736375817] [2021-06-05 10:30:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:16,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:16,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736375817] [2021-06-05 10:30:16,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736375817] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:16,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:16,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:16,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719157448] [2021-06-05 10:30:16,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:16,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:16,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:16,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:16,513 INFO L87 Difference]: Start difference. First operand 5364 states and 14227 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:17,208 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:17,342 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:30:17,531 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:17,709 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:17,836 INFO L93 Difference]: Finished difference Result 12756 states and 33593 transitions. [2021-06-05 10:30:17,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:17,836 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:17,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:17,848 INFO L225 Difference]: With dead ends: 12756 [2021-06-05 10:30:17,848 INFO L226 Difference]: Without dead ends: 12756 [2021-06-05 10:30:17,849 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1205.3ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:17,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12756 states. [2021-06-05 10:30:17,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12756 to 5484. [2021-06-05 10:30:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5484 states, 5482 states have (on average 2.6587012039401676) internal successors, (14575), 5483 states have internal predecessors, (14575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5484 states to 5484 states and 14575 transitions. [2021-06-05 10:30:17,943 INFO L78 Accepts]: Start accepts. Automaton has 5484 states and 14575 transitions. Word has length 114 [2021-06-05 10:30:17,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:17,943 INFO L482 AbstractCegarLoop]: Abstraction has 5484 states and 14575 transitions. [2021-06-05 10:30:17,944 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5484 states and 14575 transitions. [2021-06-05 10:30:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:17,949 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:17,949 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:17,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-06-05 10:30:17,949 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:17,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:17,950 INFO L82 PathProgramCache]: Analyzing trace with hash 181078510, now seen corresponding path program 44 times [2021-06-05 10:30:17,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:17,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029719921] [2021-06-05 10:30:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:18,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:18,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029719921] [2021-06-05 10:30:18,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029719921] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:18,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:18,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:18,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824518179] [2021-06-05 10:30:18,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:18,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:18,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:18,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:18,273 INFO L87 Difference]: Start difference. First operand 5484 states and 14575 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:18,983 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:19,136 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:19,292 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:19,469 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:19,597 INFO L93 Difference]: Finished difference Result 15380 states and 40316 transitions. [2021-06-05 10:30:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:19,597 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:19,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:19,612 INFO L225 Difference]: With dead ends: 15380 [2021-06-05 10:30:19,612 INFO L226 Difference]: Without dead ends: 15380 [2021-06-05 10:30:19,613 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1222.5ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15380 states. [2021-06-05 10:30:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15380 to 5500. [2021-06-05 10:30:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5500 states, 5498 states have (on average 2.659330665696617) internal successors, (14621), 5499 states have internal predecessors, (14621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 5500 states and 14621 transitions. [2021-06-05 10:30:19,715 INFO L78 Accepts]: Start accepts. Automaton has 5500 states and 14621 transitions. Word has length 114 [2021-06-05 10:30:19,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:19,716 INFO L482 AbstractCegarLoop]: Abstraction has 5500 states and 14621 transitions. [2021-06-05 10:30:19,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5500 states and 14621 transitions. [2021-06-05 10:30:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:19,722 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:19,723 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:19,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-06-05 10:30:19,723 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:19,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1978414164, now seen corresponding path program 45 times [2021-06-05 10:30:19,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:19,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591377480] [2021-06-05 10:30:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:20,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:20,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591377480] [2021-06-05 10:30:20,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591377480] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:20,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:20,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:20,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654451329] [2021-06-05 10:30:20,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:20,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:20,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:20,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:20,057 INFO L87 Difference]: Start difference. First operand 5500 states and 14621 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:20,762 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:20,918 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:21,086 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:21,262 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:21,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:21,397 INFO L93 Difference]: Finished difference Result 13660 states and 35604 transitions. [2021-06-05 10:30:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:21,397 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:21,410 INFO L225 Difference]: With dead ends: 13660 [2021-06-05 10:30:21,410 INFO L226 Difference]: Without dead ends: 13660 [2021-06-05 10:30:21,410 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1216.1ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:21,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13660 states. [2021-06-05 10:30:21,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13660 to 5452. [2021-06-05 10:30:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5452 states, 5450 states have (on average 2.6574311926605505) internal successors, (14483), 5451 states have internal predecessors, (14483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5452 states to 5452 states and 14483 transitions. [2021-06-05 10:30:21,505 INFO L78 Accepts]: Start accepts. Automaton has 5452 states and 14483 transitions. Word has length 114 [2021-06-05 10:30:21,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:21,505 INFO L482 AbstractCegarLoop]: Abstraction has 5452 states and 14483 transitions. [2021-06-05 10:30:21,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5452 states and 14483 transitions. [2021-06-05 10:30:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:21,510 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:21,510 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:21,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-06-05 10:30:21,510 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:21,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:21,510 INFO L82 PathProgramCache]: Analyzing trace with hash 502825134, now seen corresponding path program 46 times [2021-06-05 10:30:21,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:21,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358676951] [2021-06-05 10:30:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:21,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:21,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358676951] [2021-06-05 10:30:21,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358676951] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:21,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:21,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:21,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352667713] [2021-06-05 10:30:21,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:21,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:21,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:21,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:21,875 INFO L87 Difference]: Start difference. First operand 5452 states and 14483 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:22,566 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:22,704 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:22,857 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:23,029 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:23,164 INFO L93 Difference]: Finished difference Result 16736 states and 43533 transitions. [2021-06-05 10:30:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:23,164 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:23,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:23,180 INFO L225 Difference]: With dead ends: 16736 [2021-06-05 10:30:23,180 INFO L226 Difference]: Without dead ends: 16736 [2021-06-05 10:30:23,181 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1181.2ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:23,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2021-06-05 10:30:23,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 5484. [2021-06-05 10:30:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5484 states, 5482 states have (on average 2.6587012039401676) internal successors, (14575), 5483 states have internal predecessors, (14575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5484 states to 5484 states and 14575 transitions. [2021-06-05 10:30:23,291 INFO L78 Accepts]: Start accepts. Automaton has 5484 states and 14575 transitions. Word has length 114 [2021-06-05 10:30:23,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:23,291 INFO L482 AbstractCegarLoop]: Abstraction has 5484 states and 14575 transitions. [2021-06-05 10:30:23,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5484 states and 14575 transitions. [2021-06-05 10:30:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:23,295 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:23,295 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:23,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-06-05 10:30:23,296 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:23,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1656667540, now seen corresponding path program 47 times [2021-06-05 10:30:23,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:23,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581766454] [2021-06-05 10:30:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:23,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:23,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581766454] [2021-06-05 10:30:23,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581766454] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:23,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:23,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:23,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143920180] [2021-06-05 10:30:23,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:23,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:23,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:23,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:23,659 INFO L87 Difference]: Start difference. First operand 5484 states and 14575 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:24,387 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:24,527 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:24,696 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:24,871 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:25,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:25,050 INFO L93 Difference]: Finished difference Result 17582 states and 45393 transitions. [2021-06-05 10:30:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:25,051 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:25,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:25,067 INFO L225 Difference]: With dead ends: 17582 [2021-06-05 10:30:25,067 INFO L226 Difference]: Without dead ends: 17582 [2021-06-05 10:30:25,067 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1245.8ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:25,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17582 states. [2021-06-05 10:30:25,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17582 to 5468. [2021-06-05 10:30:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5468 states, 5466 states have (on average 2.658068057080132) internal successors, (14529), 5467 states have internal predecessors, (14529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 14529 transitions. [2021-06-05 10:30:25,196 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 14529 transitions. Word has length 114 [2021-06-05 10:30:25,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:25,196 INFO L482 AbstractCegarLoop]: Abstraction has 5468 states and 14529 transitions. [2021-06-05 10:30:25,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 14529 transitions. [2021-06-05 10:30:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:25,200 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:25,200 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:25,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-06-05 10:30:25,201 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:25,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:25,201 INFO L82 PathProgramCache]: Analyzing trace with hash -858804080, now seen corresponding path program 48 times [2021-06-05 10:30:25,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:25,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672422711] [2021-06-05 10:30:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:25,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:25,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672422711] [2021-06-05 10:30:25,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672422711] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:25,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:25,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:25,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938138324] [2021-06-05 10:30:25,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:25,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:25,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:25,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:25,547 INFO L87 Difference]: Start difference. First operand 5468 states and 14529 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:26,221 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:26,360 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:26,521 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:26,692 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:26,821 INFO L93 Difference]: Finished difference Result 16882 states and 43764 transitions. [2021-06-05 10:30:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:26,821 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:26,837 INFO L225 Difference]: With dead ends: 16882 [2021-06-05 10:30:26,837 INFO L226 Difference]: Without dead ends: 16882 [2021-06-05 10:30:26,838 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1206.3ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:26,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16882 states. [2021-06-05 10:30:26,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16882 to 5484. [2021-06-05 10:30:26,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5484 states, 5482 states have (on average 2.6587012039401676) internal successors, (14575), 5483 states have internal predecessors, (14575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5484 states to 5484 states and 14575 transitions. [2021-06-05 10:30:26,949 INFO L78 Accepts]: Start accepts. Automaton has 5484 states and 14575 transitions. Word has length 114 [2021-06-05 10:30:26,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:26,950 INFO L482 AbstractCegarLoop]: Abstraction has 5484 states and 14575 transitions. [2021-06-05 10:30:26,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5484 states and 14575 transitions. [2021-06-05 10:30:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:26,954 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:26,954 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:26,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-06-05 10:30:26,954 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:26,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1107351060, now seen corresponding path program 49 times [2021-06-05 10:30:26,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:26,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048728260] [2021-06-05 10:30:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:27,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:27,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048728260] [2021-06-05 10:30:27,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048728260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:27,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:27,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:27,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985719711] [2021-06-05 10:30:27,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:27,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:27,270 INFO L87 Difference]: Start difference. First operand 5484 states and 14575 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:27,957 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:28,099 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:28,272 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:28,446 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:28,562 INFO L93 Difference]: Finished difference Result 13840 states and 36102 transitions. [2021-06-05 10:30:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:28,562 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:28,575 INFO L225 Difference]: With dead ends: 13840 [2021-06-05 10:30:28,576 INFO L226 Difference]: Without dead ends: 13840 [2021-06-05 10:30:28,576 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1195.4ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13840 states. [2021-06-05 10:30:28,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13840 to 5420. [2021-06-05 10:30:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5420 states, 5418 states have (on average 2.6561461794019934) internal successors, (14391), 5419 states have internal predecessors, (14391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5420 states to 5420 states and 14391 transitions. [2021-06-05 10:30:28,686 INFO L78 Accepts]: Start accepts. Automaton has 5420 states and 14391 transitions. Word has length 114 [2021-06-05 10:30:28,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:28,686 INFO L482 AbstractCegarLoop]: Abstraction has 5420 states and 14391 transitions. [2021-06-05 10:30:28,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5420 states and 14391 transitions. [2021-06-05 10:30:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:28,692 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:28,692 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:28,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-06-05 10:30:28,692 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:28,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:28,693 INFO L82 PathProgramCache]: Analyzing trace with hash 367622960, now seen corresponding path program 50 times [2021-06-05 10:30:28,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:28,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297321813] [2021-06-05 10:30:28,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:28,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:28,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297321813] [2021-06-05 10:30:28,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297321813] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:28,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:28,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:28,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63776318] [2021-06-05 10:30:28,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:28,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:28,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:28,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:28,991 INFO L87 Difference]: Start difference. First operand 5420 states and 14391 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:29,695 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:29,835 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:29,998 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:30,172 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:30,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:30,297 INFO L93 Difference]: Finished difference Result 12316 states and 32367 transitions. [2021-06-05 10:30:30,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:30,297 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:30,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:30,308 INFO L225 Difference]: With dead ends: 12316 [2021-06-05 10:30:30,308 INFO L226 Difference]: Without dead ends: 12316 [2021-06-05 10:30:30,308 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1173.3ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12316 states. [2021-06-05 10:30:30,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12316 to 5480. [2021-06-05 10:30:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5480 states, 5478 states have (on average 2.6588170865279297) internal successors, (14565), 5479 states have internal predecessors, (14565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5480 states to 5480 states and 14565 transitions. [2021-06-05 10:30:30,397 INFO L78 Accepts]: Start accepts. Automaton has 5480 states and 14565 transitions. Word has length 114 [2021-06-05 10:30:30,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:30,397 INFO L482 AbstractCegarLoop]: Abstraction has 5480 states and 14565 transitions. [2021-06-05 10:30:30,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5480 states and 14565 transitions. [2021-06-05 10:30:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:30,401 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:30,401 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:30,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-06-05 10:30:30,401 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:30,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:30,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1791869714, now seen corresponding path program 51 times [2021-06-05 10:30:30,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:30,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129520804] [2021-06-05 10:30:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:30,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:30,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129520804] [2021-06-05 10:30:30,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129520804] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:30,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:30,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:30,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425713832] [2021-06-05 10:30:30,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:30,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:30,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:30,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:30,706 INFO L87 Difference]: Start difference. First operand 5480 states and 14565 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:31,291 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:30:31,429 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:31,569 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:31,738 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:31,907 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:32,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:32,038 INFO L93 Difference]: Finished difference Result 13162 states and 34227 transitions. [2021-06-05 10:30:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:32,038 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:32,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:32,050 INFO L225 Difference]: With dead ends: 13162 [2021-06-05 10:30:32,050 INFO L226 Difference]: Without dead ends: 13162 [2021-06-05 10:30:32,050 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1207.5ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13162 states. [2021-06-05 10:30:32,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13162 to 5464. [2021-06-05 10:30:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5464 states, 5462 states have (on average 2.6581838154522153) internal successors, (14519), 5463 states have internal predecessors, (14519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5464 states to 5464 states and 14519 transitions. [2021-06-05 10:30:32,141 INFO L78 Accepts]: Start accepts. Automaton has 5464 states and 14519 transitions. Word has length 114 [2021-06-05 10:30:32,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:32,141 INFO L482 AbstractCegarLoop]: Abstraction has 5464 states and 14519 transitions. [2021-06-05 10:30:32,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5464 states and 14519 transitions. [2021-06-05 10:30:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:32,146 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:32,146 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:32,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-06-05 10:30:32,146 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:32,147 INFO L82 PathProgramCache]: Analyzing trace with hash -994006254, now seen corresponding path program 52 times [2021-06-05 10:30:32,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:32,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542924977] [2021-06-05 10:30:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:32,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:32,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542924977] [2021-06-05 10:30:32,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542924977] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:32,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:32,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:32,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000690247] [2021-06-05 10:30:32,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:32,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:32,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:32,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:32,466 INFO L87 Difference]: Start difference. First operand 5464 states and 14519 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:33,164 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:33,311 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:33,476 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:33,649 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:33,799 INFO L93 Difference]: Finished difference Result 16368 states and 42341 transitions. [2021-06-05 10:30:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:33,799 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:33,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:33,814 INFO L225 Difference]: With dead ends: 16368 [2021-06-05 10:30:33,814 INFO L226 Difference]: Without dead ends: 16368 [2021-06-05 10:30:33,815 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1190.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16368 states. [2021-06-05 10:30:33,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16368 to 5480. [2021-06-05 10:30:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5480 states, 5478 states have (on average 2.6588170865279297) internal successors, (14565), 5479 states have internal predecessors, (14565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5480 states to 5480 states and 14565 transitions. [2021-06-05 10:30:33,921 INFO L78 Accepts]: Start accepts. Automaton has 5480 states and 14565 transitions. Word has length 114 [2021-06-05 10:30:33,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:33,921 INFO L482 AbstractCegarLoop]: Abstraction has 5480 states and 14565 transitions. [2021-06-05 10:30:33,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:33,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5480 states and 14565 transitions. [2021-06-05 10:30:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:33,925 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:33,925 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:33,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-06-05 10:30:33,925 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:33,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1242553234, now seen corresponding path program 53 times [2021-06-05 10:30:33,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:33,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785696176] [2021-06-05 10:30:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:34,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:34,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785696176] [2021-06-05 10:30:34,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785696176] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:34,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:34,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:34,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126766326] [2021-06-05 10:30:34,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:34,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:34,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:34,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:34,247 INFO L87 Difference]: Start difference. First operand 5480 states and 14565 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:34,947 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:35,088 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:35,240 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:35,412 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:35,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:35,525 INFO L93 Difference]: Finished difference Result 13326 states and 34679 transitions. [2021-06-05 10:30:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:35,525 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:35,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:35,539 INFO L225 Difference]: With dead ends: 13326 [2021-06-05 10:30:35,539 INFO L226 Difference]: Without dead ends: 13326 [2021-06-05 10:30:35,539 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1215.4ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13326 states. [2021-06-05 10:30:35,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13326 to 5448. [2021-06-05 10:30:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5448 states, 5446 states have (on average 2.657546823356592) internal successors, (14473), 5447 states have internal predecessors, (14473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 14473 transitions. [2021-06-05 10:30:35,644 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 14473 transitions. Word has length 114 [2021-06-05 10:30:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:35,644 INFO L482 AbstractCegarLoop]: Abstraction has 5448 states and 14473 transitions. [2021-06-05 10:30:35,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 14473 transitions. [2021-06-05 10:30:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:35,649 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:35,649 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:35,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-06-05 10:30:35,650 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:35,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:35,650 INFO L82 PathProgramCache]: Analyzing trace with hash 2032143756, now seen corresponding path program 54 times [2021-06-05 10:30:35,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:35,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674765097] [2021-06-05 10:30:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:35,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:35,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674765097] [2021-06-05 10:30:35,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674765097] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:35,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:35,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:35,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150956778] [2021-06-05 10:30:35,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:35,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:35,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:35,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:35,959 INFO L87 Difference]: Start difference. First operand 5448 states and 14473 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:36,664 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:36,812 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:36,974 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:37,145 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:37,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:37,259 INFO L93 Difference]: Finished difference Result 12446 states and 32552 transitions. [2021-06-05 10:30:37,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:37,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:37,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:37,271 INFO L225 Difference]: With dead ends: 12446 [2021-06-05 10:30:37,271 INFO L226 Difference]: Without dead ends: 12446 [2021-06-05 10:30:37,271 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1204.8ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:37,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12446 states. [2021-06-05 10:30:37,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12446 to 5492. [2021-06-05 10:30:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5490 states have (on average 2.6595628415300547) internal successors, (14601), 5491 states have internal predecessors, (14601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 14601 transitions. [2021-06-05 10:30:37,358 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 14601 transitions. Word has length 114 [2021-06-05 10:30:37,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:37,358 INFO L482 AbstractCegarLoop]: Abstraction has 5492 states and 14601 transitions. [2021-06-05 10:30:37,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 14601 transitions. [2021-06-05 10:30:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:37,362 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:37,362 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:37,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-06-05 10:30:37,362 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:37,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:37,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1783596776, now seen corresponding path program 55 times [2021-06-05 10:30:37,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:37,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876988081] [2021-06-05 10:30:37,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:37,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:37,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876988081] [2021-06-05 10:30:37,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876988081] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:37,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:37,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:37,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810300778] [2021-06-05 10:30:37,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:37,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:37,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:37,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:37,695 INFO L87 Difference]: Start difference. First operand 5492 states and 14601 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:38,373 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:38,524 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:38,679 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:38,854 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:38,964 INFO L93 Difference]: Finished difference Result 12282 states and 32150 transitions. [2021-06-05 10:30:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:38,965 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:38,978 INFO L225 Difference]: With dead ends: 12282 [2021-06-05 10:30:38,978 INFO L226 Difference]: Without dead ends: 12282 [2021-06-05 10:30:38,978 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1228.4ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:39,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12282 states. [2021-06-05 10:30:39,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12282 to 5476. [2021-06-05 10:30:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5476 states, 5474 states have (on average 2.6589331384727806) internal successors, (14555), 5475 states have internal predecessors, (14555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 14555 transitions. [2021-06-05 10:30:39,079 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 14555 transitions. Word has length 114 [2021-06-05 10:30:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:39,079 INFO L482 AbstractCegarLoop]: Abstraction has 5476 states and 14555 transitions. [2021-06-05 10:30:39,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 14555 transitions. [2021-06-05 10:30:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:39,084 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:39,084 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:39,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-06-05 10:30:39,084 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:39,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:39,084 INFO L82 PathProgramCache]: Analyzing trace with hash 626779472, now seen corresponding path program 56 times [2021-06-05 10:30:39,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:39,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845049865] [2021-06-05 10:30:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:39,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:39,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845049865] [2021-06-05 10:30:39,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845049865] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:39,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:39,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:39,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564477440] [2021-06-05 10:30:39,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:39,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:39,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:39,423 INFO L87 Difference]: Start difference. First operand 5476 states and 14555 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:40,121 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:40,255 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:30:40,424 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:40,603 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:40,727 INFO L93 Difference]: Finished difference Result 9640 states and 25472 transitions. [2021-06-05 10:30:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:40,727 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:40,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:40,736 INFO L225 Difference]: With dead ends: 9640 [2021-06-05 10:30:40,736 INFO L226 Difference]: Without dead ends: 9640 [2021-06-05 10:30:40,736 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1204.4ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:40,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9640 states. [2021-06-05 10:30:40,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9640 to 5644. [2021-06-05 10:30:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5644 states, 5642 states have (on average 2.6669620701878767) internal successors, (15047), 5643 states have internal predecessors, (15047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5644 states to 5644 states and 15047 transitions. [2021-06-05 10:30:40,851 INFO L78 Accepts]: Start accepts. Automaton has 5644 states and 15047 transitions. Word has length 114 [2021-06-05 10:30:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:40,852 INFO L482 AbstractCegarLoop]: Abstraction has 5644 states and 15047 transitions. [2021-06-05 10:30:40,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5644 states and 15047 transitions. [2021-06-05 10:30:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:40,856 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:40,856 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:40,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-06-05 10:30:40,857 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:40,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:40,857 INFO L82 PathProgramCache]: Analyzing trace with hash 451863608, now seen corresponding path program 57 times [2021-06-05 10:30:40,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:40,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780208567] [2021-06-05 10:30:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:41,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:41,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780208567] [2021-06-05 10:30:41,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780208567] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:41,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:41,199 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:30:41,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064606881] [2021-06-05 10:30:41,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:30:41,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:41,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:30:41,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:30:41,200 INFO L87 Difference]: Start difference. First operand 5644 states and 15047 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:42,244 INFO L93 Difference]: Finished difference Result 7307 states and 18489 transitions. [2021-06-05 10:30:42,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:30:42,244 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:42,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:42,251 INFO L225 Difference]: With dead ends: 7307 [2021-06-05 10:30:42,251 INFO L226 Difference]: Without dead ends: 7307 [2021-06-05 10:30:42,252 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 913.6ms TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:30:42,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7307 states. [2021-06-05 10:30:42,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7307 to 5660. [2021-06-05 10:30:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5660 states, 5658 states have (on average 2.667903852951573) internal successors, (15095), 5659 states have internal predecessors, (15095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5660 states to 5660 states and 15095 transitions. [2021-06-05 10:30:42,335 INFO L78 Accepts]: Start accepts. Automaton has 5660 states and 15095 transitions. Word has length 114 [2021-06-05 10:30:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:42,335 INFO L482 AbstractCegarLoop]: Abstraction has 5660 states and 15095 transitions. [2021-06-05 10:30:42,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5660 states and 15095 transitions. [2021-06-05 10:30:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:42,340 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:42,340 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:42,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-06-05 10:30:42,341 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:42,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:42,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1771335568, now seen corresponding path program 58 times [2021-06-05 10:30:42,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:42,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861817907] [2021-06-05 10:30:42,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:42,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:42,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861817907] [2021-06-05 10:30:42,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861817907] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:42,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:42,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:42,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357420557] [2021-06-05 10:30:42,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:42,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:42,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:42,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:42,657 INFO L87 Difference]: Start difference. First operand 5660 states and 15095 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:43,384 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:43,521 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:30:43,696 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:43,877 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:44,037 INFO L93 Difference]: Finished difference Result 15290 states and 39901 transitions. [2021-06-05 10:30:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:44,037 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:44,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:44,052 INFO L225 Difference]: With dead ends: 15290 [2021-06-05 10:30:44,052 INFO L226 Difference]: Without dead ends: 15290 [2021-06-05 10:30:44,053 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1195.0ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:44,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15290 states. [2021-06-05 10:30:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15290 to 5744. [2021-06-05 10:30:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 5742 states have (on average 2.6717171717171717) internal successors, (15341), 5743 states have internal predecessors, (15341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 15341 transitions. [2021-06-05 10:30:44,187 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 15341 transitions. Word has length 114 [2021-06-05 10:30:44,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:44,187 INFO L482 AbstractCegarLoop]: Abstraction has 5744 states and 15341 transitions. [2021-06-05 10:30:44,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 15341 transitions. [2021-06-05 10:30:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:44,192 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:44,192 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:44,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-06-05 10:30:44,193 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:44,193 INFO L82 PathProgramCache]: Analyzing trace with hash -610394992, now seen corresponding path program 59 times [2021-06-05 10:30:44,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:44,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10480161] [2021-06-05 10:30:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:44,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:44,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10480161] [2021-06-05 10:30:44,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10480161] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:44,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:44,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:44,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822719926] [2021-06-05 10:30:44,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:44,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:44,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:44,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:44,512 INFO L87 Difference]: Start difference. First operand 5744 states and 15341 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:45,210 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:45,371 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:45,528 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:45,709 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:45,867 INFO L93 Difference]: Finished difference Result 17860 states and 46495 transitions. [2021-06-05 10:30:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:45,867 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:45,884 INFO L225 Difference]: With dead ends: 17860 [2021-06-05 10:30:45,884 INFO L226 Difference]: Without dead ends: 17860 [2021-06-05 10:30:45,884 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1193.9ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17860 states. [2021-06-05 10:30:45,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17860 to 5758. [2021-06-05 10:30:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5758 states, 5756 states have (on average 2.6723419041000693) internal successors, (15382), 5757 states have internal predecessors, (15382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5758 states to 5758 states and 15382 transitions. [2021-06-05 10:30:46,005 INFO L78 Accepts]: Start accepts. Automaton has 5758 states and 15382 transitions. Word has length 114 [2021-06-05 10:30:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:46,005 INFO L482 AbstractCegarLoop]: Abstraction has 5758 states and 15382 transitions. [2021-06-05 10:30:46,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5758 states and 15382 transitions. [2021-06-05 10:30:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:46,010 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:46,010 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:46,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-06-05 10:30:46,010 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:46,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1525079630, now seen corresponding path program 60 times [2021-06-05 10:30:46,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:46,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687147319] [2021-06-05 10:30:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:46,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:46,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687147319] [2021-06-05 10:30:46,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687147319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:46,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:46,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:46,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252811080] [2021-06-05 10:30:46,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:46,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:46,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:46,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:46,392 INFO L87 Difference]: Start difference. First operand 5758 states and 15382 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:47,030 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:30:47,188 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:47,359 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:47,545 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:47,718 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:47,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:47,857 INFO L93 Difference]: Finished difference Result 16115 states and 41789 transitions. [2021-06-05 10:30:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:47,857 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:47,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:47,873 INFO L225 Difference]: With dead ends: 16115 [2021-06-05 10:30:47,873 INFO L226 Difference]: Without dead ends: 16115 [2021-06-05 10:30:47,873 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1382.8ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16115 states. [2021-06-05 10:30:47,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16115 to 5716. [2021-06-05 10:30:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5716 states, 5714 states have (on average 2.6704585229261464) internal successors, (15259), 5715 states have internal predecessors, (15259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5716 states to 5716 states and 15259 transitions. [2021-06-05 10:30:47,991 INFO L78 Accepts]: Start accepts. Automaton has 5716 states and 15259 transitions. Word has length 114 [2021-06-05 10:30:47,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:47,991 INFO L482 AbstractCegarLoop]: Abstraction has 5716 states and 15259 transitions. [2021-06-05 10:30:47,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5716 states and 15259 transitions. [2021-06-05 10:30:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:47,996 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:47,996 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:47,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-06-05 10:30:47,997 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:47,997 INFO L82 PathProgramCache]: Analyzing trace with hash -288648368, now seen corresponding path program 61 times [2021-06-05 10:30:47,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:47,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485237090] [2021-06-05 10:30:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:48,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:48,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485237090] [2021-06-05 10:30:48,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485237090] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:48,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:48,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:48,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933426606] [2021-06-05 10:30:48,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:48,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:48,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:48,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:48,353 INFO L87 Difference]: Start difference. First operand 5716 states and 15259 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:49,091 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:49,234 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:49,393 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:49,570 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:49,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:49,724 INFO L93 Difference]: Finished difference Result 15390 states and 40061 transitions. [2021-06-05 10:30:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:49,724 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:49,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:49,739 INFO L225 Difference]: With dead ends: 15390 [2021-06-05 10:30:49,739 INFO L226 Difference]: Without dead ends: 15390 [2021-06-05 10:30:49,739 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1243.7ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:49,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15390 states. [2021-06-05 10:30:49,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15390 to 5744. [2021-06-05 10:30:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 5742 states have (on average 2.6717171717171717) internal successors, (15341), 5743 states have internal predecessors, (15341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 15341 transitions. [2021-06-05 10:30:49,850 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 15341 transitions. Word has length 114 [2021-06-05 10:30:49,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:49,850 INFO L482 AbstractCegarLoop]: Abstraction has 5744 states and 15341 transitions. [2021-06-05 10:30:49,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 15341 transitions. [2021-06-05 10:30:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:49,856 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:49,856 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:49,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-06-05 10:30:49,856 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:49,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:49,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1846826254, now seen corresponding path program 62 times [2021-06-05 10:30:49,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:49,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755747470] [2021-06-05 10:30:49,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:50,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:50,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755747470] [2021-06-05 10:30:50,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755747470] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:50,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:50,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:50,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576468976] [2021-06-05 10:30:50,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:50,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:50,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:50,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:50,181 INFO L87 Difference]: Start difference. First operand 5744 states and 15341 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:50,750 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:30:50,884 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:51,022 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:51,188 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:51,357 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:51,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:51,499 INFO L93 Difference]: Finished difference Result 16151 states and 41783 transitions. [2021-06-05 10:30:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:51,499 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:51,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:51,514 INFO L225 Difference]: With dead ends: 16151 [2021-06-05 10:30:51,514 INFO L226 Difference]: Without dead ends: 16151 [2021-06-05 10:30:51,514 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1217.2ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:51,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16151 states. [2021-06-05 10:30:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16151 to 5730. [2021-06-05 10:30:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5728 states have (on average 2.6710893854748603) internal successors, (15300), 5729 states have internal predecessors, (15300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 15300 transitions. [2021-06-05 10:30:51,623 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 15300 transitions. Word has length 114 [2021-06-05 10:30:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:51,623 INFO L482 AbstractCegarLoop]: Abstraction has 5730 states and 15300 transitions. [2021-06-05 10:30:51,623 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 15300 transitions. [2021-06-05 10:30:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:51,628 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:51,628 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:51,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-06-05 10:30:51,628 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:51,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:51,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1650277582, now seen corresponding path program 63 times [2021-06-05 10:30:51,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:51,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537925887] [2021-06-05 10:30:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:51,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:51,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537925887] [2021-06-05 10:30:51,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537925887] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:51,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:51,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:51,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779159584] [2021-06-05 10:30:51,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:51,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:51,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:51,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:51,949 INFO L87 Difference]: Start difference. First operand 5730 states and 15300 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:52,637 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:52,778 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:52,941 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:30:53,117 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:30:53,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:53,257 INFO L93 Difference]: Finished difference Result 15534 states and 40299 transitions. [2021-06-05 10:30:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:53,257 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:53,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:53,271 INFO L225 Difference]: With dead ends: 15534 [2021-06-05 10:30:53,271 INFO L226 Difference]: Without dead ends: 15534 [2021-06-05 10:30:53,271 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1214.1ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:53,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15534 states. [2021-06-05 10:30:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15534 to 5744. [2021-06-05 10:30:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 5742 states have (on average 2.6717171717171717) internal successors, (15341), 5743 states have internal predecessors, (15341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 15341 transitions. [2021-06-05 10:30:53,372 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 15341 transitions. Word has length 114 [2021-06-05 10:30:53,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:53,372 INFO L482 AbstractCegarLoop]: Abstraction has 5744 states and 15341 transitions. [2021-06-05 10:30:53,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 15341 transitions. [2021-06-05 10:30:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:53,376 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:53,376 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:53,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-06-05 10:30:53,377 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:53,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:53,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1898824562, now seen corresponding path program 64 times [2021-06-05 10:30:53,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:53,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691352247] [2021-06-05 10:30:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:53,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:53,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691352247] [2021-06-05 10:30:53,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691352247] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:53,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:53,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:53,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065688092] [2021-06-05 10:30:53,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:53,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:53,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:53,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:53,729 INFO L87 Difference]: Start difference. First operand 5744 states and 15341 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:54,515 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:30:54,660 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:54,815 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:54,990 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:55,123 INFO L93 Difference]: Finished difference Result 12920 states and 33665 transitions. [2021-06-05 10:30:55,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:55,123 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:55,136 INFO L225 Difference]: With dead ends: 12920 [2021-06-05 10:30:55,136 INFO L226 Difference]: Without dead ends: 12920 [2021-06-05 10:30:55,137 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1279.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:55,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12920 states. [2021-06-05 10:30:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12920 to 5688. [2021-06-05 10:30:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5688 states, 5686 states have (on average 2.66918747801618) internal successors, (15177), 5687 states have internal predecessors, (15177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5688 states to 5688 states and 15177 transitions. [2021-06-05 10:30:55,240 INFO L78 Accepts]: Start accepts. Automaton has 5688 states and 15177 transitions. Word has length 114 [2021-06-05 10:30:55,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:55,240 INFO L482 AbstractCegarLoop]: Abstraction has 5688 states and 15177 transitions. [2021-06-05 10:30:55,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5688 states and 15177 transitions. [2021-06-05 10:30:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:55,245 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:55,246 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:55,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-06-05 10:30:55,246 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:55,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1676657330, now seen corresponding path program 65 times [2021-06-05 10:30:55,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:55,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564121337] [2021-06-05 10:30:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:55,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:55,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564121337] [2021-06-05 10:30:55,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564121337] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:55,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:55,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:55,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089583360] [2021-06-05 10:30:55,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:55,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:55,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:55,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:55,596 INFO L87 Difference]: Start difference. First operand 5688 states and 15177 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:56,289 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:56,426 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:30:56,602 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:56,782 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:56,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:56,946 INFO L93 Difference]: Finished difference Result 18003 states and 47073 transitions. [2021-06-05 10:30:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:56,946 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:56,964 INFO L225 Difference]: With dead ends: 18003 [2021-06-05 10:30:56,964 INFO L226 Difference]: Without dead ends: 18003 [2021-06-05 10:30:56,964 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1218.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18003 states. [2021-06-05 10:30:57,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18003 to 5730. [2021-06-05 10:30:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5728 states have (on average 2.6710893854748603) internal successors, (15300), 5729 states have internal predecessors, (15300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 15300 transitions. [2021-06-05 10:30:57,095 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 15300 transitions. Word has length 114 [2021-06-05 10:30:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:57,095 INFO L482 AbstractCegarLoop]: Abstraction has 5730 states and 15300 transitions. [2021-06-05 10:30:57,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 15300 transitions. [2021-06-05 10:30:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:57,100 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:57,100 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:57,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-06-05 10:30:57,100 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:57,101 INFO L82 PathProgramCache]: Analyzing trace with hash -705073230, now seen corresponding path program 66 times [2021-06-05 10:30:57,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:57,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828514932] [2021-06-05 10:30:57,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:57,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:57,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828514932] [2021-06-05 10:30:57,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828514932] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:57,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:57,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:57,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739242832] [2021-06-05 10:30:57,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:57,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:57,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:57,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:57,499 INFO L87 Difference]: Start difference. First operand 5730 states and 15300 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:58,204 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:30:58,371 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:30:58,532 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:30:58,711 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:30:58,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:58,879 INFO L93 Difference]: Finished difference Result 18091 states and 47239 transitions. [2021-06-05 10:30:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:30:58,879 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:30:58,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:58,898 INFO L225 Difference]: With dead ends: 18091 [2021-06-05 10:30:58,898 INFO L226 Difference]: Without dead ends: 18091 [2021-06-05 10:30:58,898 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1232.7ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:30:58,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18091 states. [2021-06-05 10:30:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18091 to 5744. [2021-06-05 10:30:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 5742 states have (on average 2.6717171717171717) internal successors, (15341), 5743 states have internal predecessors, (15341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 15341 transitions. [2021-06-05 10:30:59,032 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 15341 transitions. Word has length 114 [2021-06-05 10:30:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:59,032 INFO L482 AbstractCegarLoop]: Abstraction has 5744 states and 15341 transitions. [2021-06-05 10:30:59,032 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 15341 transitions. [2021-06-05 10:30:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:30:59,037 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:59,037 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:59,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-06-05 10:30:59,037 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:30:59,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:59,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1430401392, now seen corresponding path program 67 times [2021-06-05 10:30:59,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:59,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381753569] [2021-06-05 10:30:59,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:59,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:59,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381753569] [2021-06-05 10:30:59,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381753569] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:59,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:59,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:30:59,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323148239] [2021-06-05 10:30:59,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:30:59,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:59,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:30:59,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:30:59,421 INFO L87 Difference]: Start difference. First operand 5744 states and 15341 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:00,135 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:00,299 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:00,473 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:00,667 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:00,831 INFO L93 Difference]: Finished difference Result 17507 states and 45357 transitions. [2021-06-05 10:31:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:00,847 INFO L225 Difference]: With dead ends: 17507 [2021-06-05 10:31:00,847 INFO L226 Difference]: Without dead ends: 17507 [2021-06-05 10:31:00,847 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1283.9ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:00,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17507 states. [2021-06-05 10:31:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17507 to 5702. [2021-06-05 10:31:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5702 states, 5700 states have (on average 2.6698245614035088) internal successors, (15218), 5701 states have internal predecessors, (15218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5702 states to 5702 states and 15218 transitions. [2021-06-05 10:31:00,966 INFO L78 Accepts]: Start accepts. Automaton has 5702 states and 15218 transitions. Word has length 114 [2021-06-05 10:31:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:00,966 INFO L482 AbstractCegarLoop]: Abstraction has 5702 states and 15218 transitions. [2021-06-05 10:31:00,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5702 states and 15218 transitions. [2021-06-05 10:31:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:00,971 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:00,971 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:00,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-06-05 10:31:00,971 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:00,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:00,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1297840016, now seen corresponding path program 68 times [2021-06-05 10:31:00,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:00,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293096901] [2021-06-05 10:31:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:01,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:01,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293096901] [2021-06-05 10:31:01,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293096901] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:01,372 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:01,372 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:01,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039517542] [2021-06-05 10:31:01,372 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:01,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:01,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:01,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:01,373 INFO L87 Difference]: Start difference. First operand 5702 states and 15218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:02,227 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:02,405 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:02,583 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:02,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:02,716 INFO L93 Difference]: Finished difference Result 14049 states and 36543 transitions. [2021-06-05 10:31:02,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:02,717 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:02,730 INFO L225 Difference]: With dead ends: 14049 [2021-06-05 10:31:02,730 INFO L226 Difference]: Without dead ends: 14049 [2021-06-05 10:31:02,730 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1277.4ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:02,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14049 states. [2021-06-05 10:31:02,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14049 to 5674. [2021-06-05 10:31:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5674 states, 5672 states have (on average 2.6685472496473905) internal successors, (15136), 5673 states have internal predecessors, (15136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5674 states to 5674 states and 15136 transitions. [2021-06-05 10:31:02,832 INFO L78 Accepts]: Start accepts. Automaton has 5674 states and 15136 transitions. Word has length 114 [2021-06-05 10:31:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:02,832 INFO L482 AbstractCegarLoop]: Abstraction has 5674 states and 15136 transitions. [2021-06-05 10:31:02,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5674 states and 15136 transitions. [2021-06-05 10:31:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:02,837 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:02,837 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:02,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-06-05 10:31:02,837 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:02,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:02,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1270755022, now seen corresponding path program 69 times [2021-06-05 10:31:02,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:02,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982073460] [2021-06-05 10:31:02,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:03,197 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:03,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982073460] [2021-06-05 10:31:03,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982073460] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:03,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:03,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:03,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184070519] [2021-06-05 10:31:03,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:03,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:03,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:03,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:03,198 INFO L87 Difference]: Start difference. First operand 5674 states and 15136 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:03,799 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-06-05 10:31:03,926 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:04,061 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:04,232 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:04,409 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:04,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:04,550 INFO L93 Difference]: Finished difference Result 13368 states and 35129 transitions. [2021-06-05 10:31:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:04,550 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:04,564 INFO L225 Difference]: With dead ends: 13368 [2021-06-05 10:31:04,564 INFO L226 Difference]: Without dead ends: 13368 [2021-06-05 10:31:04,564 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1261.6ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13368 states. [2021-06-05 10:31:04,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13368 to 5730. [2021-06-05 10:31:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5728 states have (on average 2.6710893854748603) internal successors, (15300), 5729 states have internal predecessors, (15300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 15300 transitions. [2021-06-05 10:31:04,673 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 15300 transitions. Word has length 114 [2021-06-05 10:31:04,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:04,673 INFO L482 AbstractCegarLoop]: Abstraction has 5730 states and 15300 transitions. [2021-06-05 10:31:04,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 15300 transitions. [2021-06-05 10:31:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:04,679 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:04,679 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:04,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-06-05 10:31:04,679 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:04,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:04,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1110975538, now seen corresponding path program 70 times [2021-06-05 10:31:04,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:04,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451655933] [2021-06-05 10:31:04,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:05,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:05,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451655933] [2021-06-05 10:31:05,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451655933] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:05,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:05,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:05,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975778258] [2021-06-05 10:31:05,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:05,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:05,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:05,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:05,013 INFO L87 Difference]: Start difference. First operand 5730 states and 15300 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:05,728 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:05,890 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:06,051 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:06,231 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:06,378 INFO L93 Difference]: Finished difference Result 13456 states and 35295 transitions. [2021-06-05 10:31:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:06,378 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:06,391 INFO L225 Difference]: With dead ends: 13456 [2021-06-05 10:31:06,392 INFO L226 Difference]: Without dead ends: 13456 [2021-06-05 10:31:06,392 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1223.1ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13456 states. [2021-06-05 10:31:06,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13456 to 5744. [2021-06-05 10:31:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 5742 states have (on average 2.6717171717171717) internal successors, (15341), 5743 states have internal predecessors, (15341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 15341 transitions. [2021-06-05 10:31:06,493 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 15341 transitions. Word has length 114 [2021-06-05 10:31:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:06,493 INFO L482 AbstractCegarLoop]: Abstraction has 5744 states and 15341 transitions. [2021-06-05 10:31:06,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 15341 transitions. [2021-06-05 10:31:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:06,498 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:06,498 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:06,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-06-05 10:31:06,498 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:06,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1024499084, now seen corresponding path program 71 times [2021-06-05 10:31:06,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:06,499 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066796208] [2021-06-05 10:31:06,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:06,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:06,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066796208] [2021-06-05 10:31:06,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066796208] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:06,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:06,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:06,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884938832] [2021-06-05 10:31:06,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:06,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:06,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:06,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:06,875 INFO L87 Difference]: Start difference. First operand 5744 states and 15341 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:07,602 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:07,764 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:07,937 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:08,113 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:08,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:08,259 INFO L93 Difference]: Finished difference Result 12872 states and 33413 transitions. [2021-06-05 10:31:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:08,272 INFO L225 Difference]: With dead ends: 12872 [2021-06-05 10:31:08,272 INFO L226 Difference]: Without dead ends: 12872 [2021-06-05 10:31:08,272 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1261.1ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12872 states. [2021-06-05 10:31:08,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12872 to 5702. [2021-06-05 10:31:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5702 states, 5700 states have (on average 2.6698245614035088) internal successors, (15218), 5701 states have internal predecessors, (15218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5702 states to 5702 states and 15218 transitions. [2021-06-05 10:31:08,370 INFO L78 Accepts]: Start accepts. Automaton has 5702 states and 15218 transitions. Word has length 114 [2021-06-05 10:31:08,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:08,370 INFO L482 AbstractCegarLoop]: Abstraction has 5702 states and 15218 transitions. [2021-06-05 10:31:08,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5702 states and 15218 transitions. [2021-06-05 10:31:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:08,375 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:08,375 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:08,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-06-05 10:31:08,375 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:08,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:08,375 INFO L82 PathProgramCache]: Analyzing trace with hash 891937708, now seen corresponding path program 72 times [2021-06-05 10:31:08,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:08,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057575792] [2021-06-05 10:31:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:08,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:08,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057575792] [2021-06-05 10:31:08,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057575792] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:08,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:08,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:08,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448911713] [2021-06-05 10:31:08,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:08,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:08,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:08,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:08,728 INFO L87 Difference]: Start difference. First operand 5702 states and 15218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:09,551 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:09,731 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:09,915 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:10,044 INFO L93 Difference]: Finished difference Result 12924 states and 33679 transitions. [2021-06-05 10:31:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:10,044 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:10,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:10,056 INFO L225 Difference]: With dead ends: 12924 [2021-06-05 10:31:10,056 INFO L226 Difference]: Without dead ends: 12924 [2021-06-05 10:31:10,056 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1214.5ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12924 states. [2021-06-05 10:31:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12924 to 5688. [2021-06-05 10:31:10,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5688 states, 5686 states have (on average 2.66918747801618) internal successors, (15177), 5687 states have internal predecessors, (15177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5688 states to 5688 states and 15177 transitions. [2021-06-05 10:31:10,151 INFO L78 Accepts]: Start accepts. Automaton has 5688 states and 15177 transitions. Word has length 114 [2021-06-05 10:31:10,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:10,151 INFO L482 AbstractCegarLoop]: Abstraction has 5688 states and 15177 transitions. [2021-06-05 10:31:10,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5688 states and 15177 transitions. [2021-06-05 10:31:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:10,156 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:10,156 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:10,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-06-05 10:31:10,156 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:10,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:10,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1232182066, now seen corresponding path program 73 times [2021-06-05 10:31:10,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:10,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812797106] [2021-06-05 10:31:10,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:10,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:10,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812797106] [2021-06-05 10:31:10,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812797106] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:10,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:10,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:10,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012162095] [2021-06-05 10:31:10,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:10,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:10,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:10,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:10,529 INFO L87 Difference]: Start difference. First operand 5688 states and 15177 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:11,358 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:11,532 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:11,710 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:11,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:11,825 INFO L93 Difference]: Finished difference Result 9350 states and 24433 transitions. [2021-06-05 10:31:11,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:11,825 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:11,834 INFO L225 Difference]: With dead ends: 9350 [2021-06-05 10:31:11,834 INFO L226 Difference]: Without dead ends: 9350 [2021-06-05 10:31:11,834 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1202.9ms TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9350 states. [2021-06-05 10:31:11,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9350 to 5660. [2021-06-05 10:31:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5660 states, 5658 states have (on average 2.667903852951573) internal successors, (15095), 5659 states have internal predecessors, (15095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5660 states to 5660 states and 15095 transitions. [2021-06-05 10:31:11,913 INFO L78 Accepts]: Start accepts. Automaton has 5660 states and 15095 transitions. Word has length 114 [2021-06-05 10:31:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:11,913 INFO L482 AbstractCegarLoop]: Abstraction has 5660 states and 15095 transitions. [2021-06-05 10:31:11,913 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 5660 states and 15095 transitions. [2021-06-05 10:31:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:11,917 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:11,917 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:11,918 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-06-05 10:31:11,918 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:11,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:11,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1708873166, now seen corresponding path program 74 times [2021-06-05 10:31:11,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:11,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20421244] [2021-06-05 10:31:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:12,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:12,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20421244] [2021-06-05 10:31:12,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20421244] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:12,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:12,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:12,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101706893] [2021-06-05 10:31:12,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:12,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:12,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:12,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:12,296 INFO L87 Difference]: Start difference. First operand 5660 states and 15095 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:13,039 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:13,173 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:13,343 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:13,522 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:13,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:13,706 INFO L93 Difference]: Finished difference Result 24417 states and 64144 transitions. [2021-06-05 10:31:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:13,706 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:13,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:13,725 INFO L225 Difference]: With dead ends: 24417 [2021-06-05 10:31:13,726 INFO L226 Difference]: Without dead ends: 24417 [2021-06-05 10:31:13,728 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1276.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:13,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24417 states. [2021-06-05 10:31:13,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24417 to 5818. [2021-06-05 10:31:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5818 states, 5816 states have (on average 2.673658872077029) internal successors, (15550), 5817 states have internal predecessors, (15550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:13,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 15550 transitions. [2021-06-05 10:31:13,878 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 15550 transitions. Word has length 114 [2021-06-05 10:31:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:13,878 INFO L482 AbstractCegarLoop]: Abstraction has 5818 states and 15550 transitions. [2021-06-05 10:31:13,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 15550 transitions. [2021-06-05 10:31:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:13,883 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:13,884 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:13,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-06-05 10:31:13,884 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:13,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:13,884 INFO L82 PathProgramCache]: Analyzing trace with hash -672857394, now seen corresponding path program 75 times [2021-06-05 10:31:13,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:13,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386793464] [2021-06-05 10:31:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:14,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:14,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386793464] [2021-06-05 10:31:14,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386793464] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:14,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:14,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:14,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704545591] [2021-06-05 10:31:14,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:14,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:14,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:14,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:14,204 INFO L87 Difference]: Start difference. First operand 5818 states and 15550 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:14,893 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:15,048 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:15,201 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:15,380 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:15,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:15,545 INFO L93 Difference]: Finished difference Result 27041 states and 70867 transitions. [2021-06-05 10:31:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:15,546 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:15,574 INFO L225 Difference]: With dead ends: 27041 [2021-06-05 10:31:15,574 INFO L226 Difference]: Without dead ends: 27041 [2021-06-05 10:31:15,575 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1211.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27041 states. [2021-06-05 10:31:15,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27041 to 5834. [2021-06-05 10:31:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 5832 states have (on average 2.674211248285322) internal successors, (15596), 5833 states have internal predecessors, (15596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 15596 transitions. [2021-06-05 10:31:15,758 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 15596 transitions. Word has length 114 [2021-06-05 10:31:15,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:15,758 INFO L482 AbstractCegarLoop]: Abstraction has 5834 states and 15596 transitions. [2021-06-05 10:31:15,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 15596 transitions. [2021-06-05 10:31:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:15,763 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:15,764 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:15,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-06-05 10:31:15,764 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:15,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:15,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1462617228, now seen corresponding path program 76 times [2021-06-05 10:31:15,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:15,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317007244] [2021-06-05 10:31:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:16,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:16,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317007244] [2021-06-05 10:31:16,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317007244] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:16,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:16,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:16,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440710174] [2021-06-05 10:31:16,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:16,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:16,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:16,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:16,145 INFO L87 Difference]: Start difference. First operand 5834 states and 15596 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:16,800 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:31:16,929 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:17,090 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:17,258 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:17,437 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:17,608 INFO L93 Difference]: Finished difference Result 25321 states and 66155 transitions. [2021-06-05 10:31:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:17,609 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:17,635 INFO L225 Difference]: With dead ends: 25321 [2021-06-05 10:31:17,635 INFO L226 Difference]: Without dead ends: 25321 [2021-06-05 10:31:17,635 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1323.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:17,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25321 states. [2021-06-05 10:31:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25321 to 5806. [2021-06-05 10:31:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 5804 states have (on average 2.669882839421089) internal successors, (15496), 5805 states have internal predecessors, (15496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 15496 transitions. [2021-06-05 10:31:17,800 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 15496 transitions. Word has length 114 [2021-06-05 10:31:17,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:17,800 INFO L482 AbstractCegarLoop]: Abstraction has 5806 states and 15496 transitions. [2021-06-05 10:31:17,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 15496 transitions. [2021-06-05 10:31:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:17,805 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:17,805 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:17,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-06-05 10:31:17,805 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:17,805 INFO L82 PathProgramCache]: Analyzing trace with hash -351110770, now seen corresponding path program 77 times [2021-06-05 10:31:17,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:17,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831572470] [2021-06-05 10:31:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:18,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:18,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831572470] [2021-06-05 10:31:18,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831572470] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:18,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:18,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:18,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264020675] [2021-06-05 10:31:18,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:18,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:18,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:18,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:18,120 INFO L87 Difference]: Start difference. First operand 5806 states and 15496 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:18,870 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:19,034 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:19,213 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:19,392 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:19,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:19,547 INFO L93 Difference]: Finished difference Result 24521 states and 64302 transitions. [2021-06-05 10:31:19,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:19,548 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:19,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:19,571 INFO L225 Difference]: With dead ends: 24521 [2021-06-05 10:31:19,571 INFO L226 Difference]: Without dead ends: 24521 [2021-06-05 10:31:19,571 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1276.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24521 states. [2021-06-05 10:31:19,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24521 to 5838. [2021-06-05 10:31:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5838 states, 5836 states have (on average 2.6710075394105552) internal successors, (15588), 5837 states have internal predecessors, (15588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 15588 transitions. [2021-06-05 10:31:19,731 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 15588 transitions. Word has length 114 [2021-06-05 10:31:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:19,731 INFO L482 AbstractCegarLoop]: Abstraction has 5838 states and 15588 transitions. [2021-06-05 10:31:19,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 15588 transitions. [2021-06-05 10:31:19,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:19,736 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:19,736 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:19,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-06-05 10:31:19,736 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:19,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:19,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1784363852, now seen corresponding path program 78 times [2021-06-05 10:31:19,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:19,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554093178] [2021-06-05 10:31:19,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:20,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:20,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554093178] [2021-06-05 10:31:20,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554093178] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:20,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:20,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:20,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061781928] [2021-06-05 10:31:20,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:20,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:20,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:20,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:20,095 INFO L87 Difference]: Start difference. First operand 5838 states and 15588 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:20,782 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:20,922 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:21,088 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:21,257 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:21,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:21,413 INFO L93 Difference]: Finished difference Result 25367 states and 66162 transitions. [2021-06-05 10:31:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:21,413 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:21,437 INFO L225 Difference]: With dead ends: 25367 [2021-06-05 10:31:21,437 INFO L226 Difference]: Without dead ends: 25367 [2021-06-05 10:31:21,438 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1203.2ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25367 states. [2021-06-05 10:31:21,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25367 to 5822. [2021-06-05 10:31:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5822 states, 5820 states have (on average 2.670446735395189) internal successors, (15542), 5821 states have internal predecessors, (15542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5822 states to 5822 states and 15542 transitions. [2021-06-05 10:31:21,595 INFO L78 Accepts]: Start accepts. Automaton has 5822 states and 15542 transitions. Word has length 114 [2021-06-05 10:31:21,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:21,595 INFO L482 AbstractCegarLoop]: Abstraction has 5822 states and 15542 transitions. [2021-06-05 10:31:21,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5822 states and 15542 transitions. [2021-06-05 10:31:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:21,600 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:21,600 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:21,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-06-05 10:31:21,600 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:21,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:21,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1712739984, now seen corresponding path program 79 times [2021-06-05 10:31:21,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:21,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723489613] [2021-06-05 10:31:21,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:21,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:21,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723489613] [2021-06-05 10:31:21,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723489613] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:21,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:21,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:21,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953840228] [2021-06-05 10:31:21,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:21,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:21,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:21,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:21,910 INFO L87 Difference]: Start difference. First operand 5822 states and 15542 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:22,626 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:22,770 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:22,936 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:23,132 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:23,303 INFO L93 Difference]: Finished difference Result 24667 states and 64533 transitions. [2021-06-05 10:31:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:23,329 INFO L225 Difference]: With dead ends: 24667 [2021-06-05 10:31:23,329 INFO L226 Difference]: Without dead ends: 24667 [2021-06-05 10:31:23,329 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1216.2ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24667 states. [2021-06-05 10:31:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24667 to 5838. [2021-06-05 10:31:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5838 states, 5836 states have (on average 2.6710075394105552) internal successors, (15588), 5837 states have internal predecessors, (15588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 15588 transitions. [2021-06-05 10:31:23,492 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 15588 transitions. Word has length 114 [2021-06-05 10:31:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:23,492 INFO L482 AbstractCegarLoop]: Abstraction has 5838 states and 15588 transitions. [2021-06-05 10:31:23,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 15588 transitions. [2021-06-05 10:31:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:23,498 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:23,498 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:23,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-06-05 10:31:23,498 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:23,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:23,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1961286964, now seen corresponding path program 80 times [2021-06-05 10:31:23,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:23,499 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963861116] [2021-06-05 10:31:23,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:23,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:23,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963861116] [2021-06-05 10:31:23,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963861116] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:23,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:23,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:23,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706941613] [2021-06-05 10:31:23,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:23,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:23,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:23,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:23,857 INFO L87 Difference]: Start difference. First operand 5838 states and 15588 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:24,575 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:24,719 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:24,876 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:25,053 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:25,205 INFO L93 Difference]: Finished difference Result 21925 states and 57621 transitions. [2021-06-05 10:31:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:25,205 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:25,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:25,225 INFO L225 Difference]: With dead ends: 21925 [2021-06-05 10:31:25,226 INFO L226 Difference]: Without dead ends: 21925 [2021-06-05 10:31:25,226 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1236.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21925 states. [2021-06-05 10:31:25,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21925 to 5794. [2021-06-05 10:31:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5792 states have (on average 2.6681629834254146) internal successors, (15454), 5793 states have internal predecessors, (15454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 15454 transitions. [2021-06-05 10:31:25,371 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 15454 transitions. Word has length 114 [2021-06-05 10:31:25,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:25,371 INFO L482 AbstractCegarLoop]: Abstraction has 5794 states and 15454 transitions. [2021-06-05 10:31:25,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 15454 transitions. [2021-06-05 10:31:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:25,376 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:25,377 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:25,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-06-05 10:31:25,377 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:25,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:25,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1614194928, now seen corresponding path program 81 times [2021-06-05 10:31:25,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:25,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738096743] [2021-06-05 10:31:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:25,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:25,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738096743] [2021-06-05 10:31:25,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738096743] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:25,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:25,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:25,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105625152] [2021-06-05 10:31:25,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:25,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:25,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:25,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:25,768 INFO L87 Difference]: Start difference. First operand 5794 states and 15454 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:26,480 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:26,615 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:26,787 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:26,966 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:27,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:27,126 INFO L93 Difference]: Finished difference Result 23117 states and 61013 transitions. [2021-06-05 10:31:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:27,126 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:27,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:27,149 INFO L225 Difference]: With dead ends: 23117 [2021-06-05 10:31:27,149 INFO L226 Difference]: Without dead ends: 23117 [2021-06-05 10:31:27,149 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1278.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:27,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23117 states. [2021-06-05 10:31:27,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23117 to 5842. [2021-06-05 10:31:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5842 states, 5840 states have (on average 2.66986301369863) internal successors, (15592), 5841 states have internal predecessors, (15592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 15592 transitions. [2021-06-05 10:31:27,311 INFO L78 Accepts]: Start accepts. Automaton has 5842 states and 15592 transitions. Word has length 114 [2021-06-05 10:31:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:27,311 INFO L482 AbstractCegarLoop]: Abstraction has 5842 states and 15592 transitions. [2021-06-05 10:31:27,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5842 states and 15592 transitions. [2021-06-05 10:31:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:27,317 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:27,317 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:27,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-06-05 10:31:27,318 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:27,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:27,318 INFO L82 PathProgramCache]: Analyzing trace with hash -767535632, now seen corresponding path program 82 times [2021-06-05 10:31:27,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:27,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248686729] [2021-06-05 10:31:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:27,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:27,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248686729] [2021-06-05 10:31:27,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248686729] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:27,709 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:27,709 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:27,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992968152] [2021-06-05 10:31:27,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:27,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:27,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:27,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:27,710 INFO L87 Difference]: Start difference. First operand 5842 states and 15592 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:28,409 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:28,576 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:28,735 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:28,913 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:29,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:29,071 INFO L93 Difference]: Finished difference Result 23193 states and 61149 transitions. [2021-06-05 10:31:29,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:29,071 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:29,094 INFO L225 Difference]: With dead ends: 23193 [2021-06-05 10:31:29,095 INFO L226 Difference]: Without dead ends: 23193 [2021-06-05 10:31:29,095 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1272.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:29,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23193 states. [2021-06-05 10:31:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23193 to 5858. [2021-06-05 10:31:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 5856 states have (on average 2.6704234972677594) internal successors, (15638), 5857 states have internal predecessors, (15638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 15638 transitions. [2021-06-05 10:31:29,259 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 15638 transitions. Word has length 114 [2021-06-05 10:31:29,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:29,259 INFO L482 AbstractCegarLoop]: Abstraction has 5858 states and 15638 transitions. [2021-06-05 10:31:29,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 15638 transitions. [2021-06-05 10:31:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:29,265 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:29,265 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:29,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-06-05 10:31:29,265 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:29,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1367938990, now seen corresponding path program 83 times [2021-06-05 10:31:29,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:29,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481704676] [2021-06-05 10:31:29,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:29,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:29,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481704676] [2021-06-05 10:31:29,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481704676] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:29,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:29,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:29,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288714715] [2021-06-05 10:31:29,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:29,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:29,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:29,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:29,615 INFO L87 Difference]: Start difference. First operand 5858 states and 15638 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:30,318 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:30,472 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:30,640 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:30,811 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:30,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:30,962 INFO L93 Difference]: Finished difference Result 22577 states and 59175 transitions. [2021-06-05 10:31:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:30,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:30,984 INFO L225 Difference]: With dead ends: 22577 [2021-06-05 10:31:30,984 INFO L226 Difference]: Without dead ends: 22577 [2021-06-05 10:31:30,984 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1219.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:31,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22577 states. [2021-06-05 10:31:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22577 to 5810. [2021-06-05 10:31:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.668732782369146) internal successors, (15500), 5809 states have internal predecessors, (15500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15500 transitions. [2021-06-05 10:31:31,140 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15500 transitions. Word has length 114 [2021-06-05 10:31:31,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:31,140 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15500 transitions. [2021-06-05 10:31:31,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15500 transitions. [2021-06-05 10:31:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:31,145 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:31,145 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:31,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-06-05 10:31:31,145 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:31,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:31,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1235377614, now seen corresponding path program 84 times [2021-06-05 10:31:31,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:31,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530139350] [2021-06-05 10:31:31,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:31,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:31,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530139350] [2021-06-05 10:31:31,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530139350] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:31,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:31,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:31,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764545945] [2021-06-05 10:31:31,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:31,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:31,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:31,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:31,464 INFO L87 Difference]: Start difference. First operand 5810 states and 15500 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:32,289 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:32,463 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:32,673 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:32,822 INFO L93 Difference]: Finished difference Result 19337 states and 50928 transitions. [2021-06-05 10:31:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:32,823 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:32,841 INFO L225 Difference]: With dead ends: 19337 [2021-06-05 10:31:32,841 INFO L226 Difference]: Without dead ends: 19337 [2021-06-05 10:31:32,841 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1226.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:32,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19337 states. [2021-06-05 10:31:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19337 to 5782. [2021-06-05 10:31:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 5780 states have (on average 2.6674740484429065) internal successors, (15418), 5781 states have internal predecessors, (15418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 15418 transitions. [2021-06-05 10:31:32,981 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 15418 transitions. Word has length 114 [2021-06-05 10:31:32,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:32,981 INFO L482 AbstractCegarLoop]: Abstraction has 5782 states and 15418 transitions. [2021-06-05 10:31:32,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 15418 transitions. [2021-06-05 10:31:32,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:32,986 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:32,986 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:32,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-06-05 10:31:32,987 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:32,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:32,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1748073490, now seen corresponding path program 85 times [2021-06-05 10:31:32,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:32,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308603969] [2021-06-05 10:31:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:33,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:33,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308603969] [2021-06-05 10:31:33,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308603969] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:33,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:33,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:33,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715241617] [2021-06-05 10:31:33,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:33,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:33,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:33,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:33,291 INFO L87 Difference]: Start difference. First operand 5782 states and 15418 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:34,024 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:34,159 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:34,331 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:34,514 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:34,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:34,671 INFO L93 Difference]: Finished difference Result 19099 states and 50265 transitions. [2021-06-05 10:31:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:34,671 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:34,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:34,689 INFO L225 Difference]: With dead ends: 19099 [2021-06-05 10:31:34,690 INFO L226 Difference]: Without dead ends: 19099 [2021-06-05 10:31:34,690 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1199.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19099 states. [2021-06-05 10:31:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19099 to 5910. [2021-06-05 10:31:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.671970209884902) internal successors, (15786), 5909 states have internal predecessors, (15786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15786 transitions. [2021-06-05 10:31:34,832 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15786 transitions. Word has length 114 [2021-06-05 10:31:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:34,832 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15786 transitions. [2021-06-05 10:31:34,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15786 transitions. [2021-06-05 10:31:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:34,837 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:34,838 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:34,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-06-05 10:31:34,838 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:34,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:34,838 INFO L82 PathProgramCache]: Analyzing trace with hash 165163246, now seen corresponding path program 86 times [2021-06-05 10:31:34,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:34,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795148509] [2021-06-05 10:31:34,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:35,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:35,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795148509] [2021-06-05 10:31:35,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795148509] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:35,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:35,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:35,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409310548] [2021-06-05 10:31:35,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:35,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:35,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:35,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:35,162 INFO L87 Difference]: Start difference. First operand 5910 states and 15786 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:35,762 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:31:35,894 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:36,052 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:36,210 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:36,393 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:36,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:36,551 INFO L93 Difference]: Finished difference Result 21723 states and 56988 transitions. [2021-06-05 10:31:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:36,552 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:36,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:36,572 INFO L225 Difference]: With dead ends: 21723 [2021-06-05 10:31:36,572 INFO L226 Difference]: Without dead ends: 21723 [2021-06-05 10:31:36,573 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1216.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21723 states. [2021-06-05 10:31:36,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21723 to 5926. [2021-06-05 10:31:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6725185685347737) internal successors, (15832), 5925 states have internal predecessors, (15832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15832 transitions. [2021-06-05 10:31:36,728 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15832 transitions. Word has length 114 [2021-06-05 10:31:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:36,728 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15832 transitions. [2021-06-05 10:31:36,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15832 transitions. [2021-06-05 10:31:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:36,734 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:36,734 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:36,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-06-05 10:31:36,734 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:36,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:36,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1994329428, now seen corresponding path program 87 times [2021-06-05 10:31:36,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:36,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122730134] [2021-06-05 10:31:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:37,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:37,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122730134] [2021-06-05 10:31:37,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122730134] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:37,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:37,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:37,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367379492] [2021-06-05 10:31:37,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:37,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:37,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:37,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:37,063 INFO L87 Difference]: Start difference. First operand 5926 states and 15832 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:37,754 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:37,905 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:38,071 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:38,246 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:38,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:38,387 INFO L93 Difference]: Finished difference Result 20003 states and 52276 transitions. [2021-06-05 10:31:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:38,387 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:38,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:38,407 INFO L225 Difference]: With dead ends: 20003 [2021-06-05 10:31:38,407 INFO L226 Difference]: Without dead ends: 20003 [2021-06-05 10:31:38,407 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1203.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20003 states. [2021-06-05 10:31:38,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20003 to 5878. [2021-06-05 10:31:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 5876 states have (on average 2.6708645336963923) internal successors, (15694), 5877 states have internal predecessors, (15694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 15694 transitions. [2021-06-05 10:31:38,542 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 15694 transitions. Word has length 114 [2021-06-05 10:31:38,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:38,542 INFO L482 AbstractCegarLoop]: Abstraction has 5878 states and 15694 transitions. [2021-06-05 10:31:38,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 15694 transitions. [2021-06-05 10:31:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:38,547 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:38,547 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:38,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-06-05 10:31:38,547 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:38,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:38,547 INFO L82 PathProgramCache]: Analyzing trace with hash 486909870, now seen corresponding path program 88 times [2021-06-05 10:31:38,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:38,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834832037] [2021-06-05 10:31:38,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:38,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:38,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834832037] [2021-06-05 10:31:38,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834832037] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:38,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:38,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:38,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625942221] [2021-06-05 10:31:38,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:38,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:38,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:38,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:38,883 INFO L87 Difference]: Start difference. First operand 5878 states and 15694 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:39,580 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:39,722 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:39,880 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:40,057 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:40,212 INFO L93 Difference]: Finished difference Result 23079 states and 60205 transitions. [2021-06-05 10:31:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:40,212 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:40,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:40,233 INFO L225 Difference]: With dead ends: 23079 [2021-06-05 10:31:40,233 INFO L226 Difference]: Without dead ends: 23079 [2021-06-05 10:31:40,234 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1231.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:40,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23079 states. [2021-06-05 10:31:40,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23079 to 5910. [2021-06-05 10:31:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.671970209884902) internal successors, (15786), 5909 states have internal predecessors, (15786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15786 transitions. [2021-06-05 10:31:40,387 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15786 transitions. Word has length 114 [2021-06-05 10:31:40,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:40,387 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15786 transitions. [2021-06-05 10:31:40,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15786 transitions. [2021-06-05 10:31:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:40,392 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:40,392 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:40,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-06-05 10:31:40,393 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:40,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:40,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1672582804, now seen corresponding path program 89 times [2021-06-05 10:31:40,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:40,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720773191] [2021-06-05 10:31:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:40,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:40,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720773191] [2021-06-05 10:31:40,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720773191] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:40,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:40,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:40,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029987588] [2021-06-05 10:31:40,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:40,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:40,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:40,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:40,682 INFO L87 Difference]: Start difference. First operand 5910 states and 15786 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:41,380 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:41,520 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:41,688 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:41,860 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:42,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:42,037 INFO L93 Difference]: Finished difference Result 23925 states and 62065 transitions. [2021-06-05 10:31:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:42,037 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:42,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:42,056 INFO L225 Difference]: With dead ends: 23925 [2021-06-05 10:31:42,056 INFO L226 Difference]: Without dead ends: 23925 [2021-06-05 10:31:42,056 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1191.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23925 states. [2021-06-05 10:31:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23925 to 5894. [2021-06-05 10:31:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5894 states, 5892 states have (on average 2.671418873048201) internal successors, (15740), 5893 states have internal predecessors, (15740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 15740 transitions. [2021-06-05 10:31:42,204 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 15740 transitions. Word has length 114 [2021-06-05 10:31:42,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:42,204 INFO L482 AbstractCegarLoop]: Abstraction has 5894 states and 15740 transitions. [2021-06-05 10:31:42,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 15740 transitions. [2021-06-05 10:31:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:42,209 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:42,209 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:42,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-06-05 10:31:42,209 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:42,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:42,209 INFO L82 PathProgramCache]: Analyzing trace with hash -874719344, now seen corresponding path program 90 times [2021-06-05 10:31:42,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:42,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700227308] [2021-06-05 10:31:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:42,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:42,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700227308] [2021-06-05 10:31:42,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700227308] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:42,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:42,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:42,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919309323] [2021-06-05 10:31:42,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:42,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:42,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:42,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:42,507 INFO L87 Difference]: Start difference. First operand 5894 states and 15740 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:43,198 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:43,340 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:43,505 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:43,678 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:43,829 INFO L93 Difference]: Finished difference Result 23225 states and 60436 transitions. [2021-06-05 10:31:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:43,829 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:43,851 INFO L225 Difference]: With dead ends: 23225 [2021-06-05 10:31:43,851 INFO L226 Difference]: Without dead ends: 23225 [2021-06-05 10:31:43,852 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1191.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23225 states. [2021-06-05 10:31:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23225 to 5910. [2021-06-05 10:31:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.671970209884902) internal successors, (15786), 5909 states have internal predecessors, (15786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15786 transitions. [2021-06-05 10:31:44,004 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15786 transitions. Word has length 114 [2021-06-05 10:31:44,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:44,004 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15786 transitions. [2021-06-05 10:31:44,004 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15786 transitions. [2021-06-05 10:31:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:44,011 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:44,012 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:44,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-06-05 10:31:44,012 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:44,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1123266324, now seen corresponding path program 91 times [2021-06-05 10:31:44,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:44,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343180494] [2021-06-05 10:31:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:44,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:44,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343180494] [2021-06-05 10:31:44,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343180494] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:44,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:44,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:44,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153896284] [2021-06-05 10:31:44,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:44,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:44,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:44,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:44,325 INFO L87 Difference]: Start difference. First operand 5910 states and 15786 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:45,055 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:45,200 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:45,360 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:45,540 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:45,686 INFO L93 Difference]: Finished difference Result 20183 states and 52774 transitions. [2021-06-05 10:31:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:45,686 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:45,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:45,705 INFO L225 Difference]: With dead ends: 20183 [2021-06-05 10:31:45,705 INFO L226 Difference]: Without dead ends: 20183 [2021-06-05 10:31:45,705 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1210.9ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:45,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20183 states. [2021-06-05 10:31:45,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20183 to 5846. [2021-06-05 10:31:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 5844 states have (on average 2.6697467488021904) internal successors, (15602), 5845 states have internal predecessors, (15602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 15602 transitions. [2021-06-05 10:31:45,841 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 15602 transitions. Word has length 114 [2021-06-05 10:31:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:45,841 INFO L482 AbstractCegarLoop]: Abstraction has 5846 states and 15602 transitions. [2021-06-05 10:31:45,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 15602 transitions. [2021-06-05 10:31:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:45,846 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:45,846 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:45,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-06-05 10:31:45,846 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:45,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:45,847 INFO L82 PathProgramCache]: Analyzing trace with hash 351707696, now seen corresponding path program 92 times [2021-06-05 10:31:45,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:45,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308085303] [2021-06-05 10:31:45,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:46,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:46,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308085303] [2021-06-05 10:31:46,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308085303] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:46,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:46,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:46,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207958649] [2021-06-05 10:31:46,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:46,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:46,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:46,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:46,166 INFO L87 Difference]: Start difference. First operand 5846 states and 15602 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:46,883 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:47,026 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:47,185 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:47,363 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:47,516 INFO L93 Difference]: Finished difference Result 18659 states and 49039 transitions. [2021-06-05 10:31:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:47,516 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:47,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:47,534 INFO L225 Difference]: With dead ends: 18659 [2021-06-05 10:31:47,534 INFO L226 Difference]: Without dead ends: 18659 [2021-06-05 10:31:47,534 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1197.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18659 states. [2021-06-05 10:31:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18659 to 5910. [2021-06-05 10:31:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.671970209884902) internal successors, (15786), 5909 states have internal predecessors, (15786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15786 transitions. [2021-06-05 10:31:47,665 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15786 transitions. Word has length 114 [2021-06-05 10:31:47,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:47,665 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15786 transitions. [2021-06-05 10:31:47,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15786 transitions. [2021-06-05 10:31:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:47,670 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:47,670 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:47,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-06-05 10:31:47,670 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:47,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:47,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1807784978, now seen corresponding path program 93 times [2021-06-05 10:31:47,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:47,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78670829] [2021-06-05 10:31:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:47,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:47,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78670829] [2021-06-05 10:31:47,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78670829] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:47,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:47,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:47,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898532044] [2021-06-05 10:31:47,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:47,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:47,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:47,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:47,967 INFO L87 Difference]: Start difference. First operand 5910 states and 15786 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:48,704 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:48,847 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:49,018 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:49,192 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:49,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:49,347 INFO L93 Difference]: Finished difference Result 19505 states and 50899 transitions. [2021-06-05 10:31:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:49,347 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:49,366 INFO L225 Difference]: With dead ends: 19505 [2021-06-05 10:31:49,366 INFO L226 Difference]: Without dead ends: 19505 [2021-06-05 10:31:49,366 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1209.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:49,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19505 states. [2021-06-05 10:31:49,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19505 to 5894. [2021-06-05 10:31:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5894 states, 5892 states have (on average 2.671418873048201) internal successors, (15740), 5893 states have internal predecessors, (15740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 15740 transitions. [2021-06-05 10:31:49,506 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 15740 transitions. Word has length 114 [2021-06-05 10:31:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:49,506 INFO L482 AbstractCegarLoop]: Abstraction has 5894 states and 15740 transitions. [2021-06-05 10:31:49,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 15740 transitions. [2021-06-05 10:31:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:49,511 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:49,512 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:49,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-06-05 10:31:49,512 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:49,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:49,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1009921518, now seen corresponding path program 94 times [2021-06-05 10:31:49,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:49,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761108069] [2021-06-05 10:31:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:49,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:49,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761108069] [2021-06-05 10:31:49,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761108069] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:49,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:49,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:49,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434818670] [2021-06-05 10:31:49,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:49,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:49,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:49,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:49,809 INFO L87 Difference]: Start difference. First operand 5894 states and 15740 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:50,496 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:50,638 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:50,802 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:50,975 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:51,126 INFO L93 Difference]: Finished difference Result 22711 states and 59013 transitions. [2021-06-05 10:31:51,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:51,127 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:51,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:51,147 INFO L225 Difference]: With dead ends: 22711 [2021-06-05 10:31:51,147 INFO L226 Difference]: Without dead ends: 22711 [2021-06-05 10:31:51,148 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1191.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:51,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22711 states. [2021-06-05 10:31:51,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22711 to 5910. [2021-06-05 10:31:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.671970209884902) internal successors, (15786), 5909 states have internal predecessors, (15786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15786 transitions. [2021-06-05 10:31:51,326 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15786 transitions. Word has length 114 [2021-06-05 10:31:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:51,326 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15786 transitions. [2021-06-05 10:31:51,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15786 transitions. [2021-06-05 10:31:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:51,331 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:51,331 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:51,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-06-05 10:31:51,331 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:51,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1258468498, now seen corresponding path program 95 times [2021-06-05 10:31:51,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:51,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508763165] [2021-06-05 10:31:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:51,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:51,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508763165] [2021-06-05 10:31:51,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508763165] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:51,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:51,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:51,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233661875] [2021-06-05 10:31:51,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:51,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:51,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:51,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:51,632 INFO L87 Difference]: Start difference. First operand 5910 states and 15786 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:52,347 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:31:52,492 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:52,651 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:52,828 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:52,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:52,968 INFO L93 Difference]: Finished difference Result 19669 states and 51351 transitions. [2021-06-05 10:31:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:52,969 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:52,987 INFO L225 Difference]: With dead ends: 19669 [2021-06-05 10:31:52,987 INFO L226 Difference]: Without dead ends: 19669 [2021-06-05 10:31:52,988 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1187.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19669 states. [2021-06-05 10:31:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19669 to 5878. [2021-06-05 10:31:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 5876 states have (on average 2.6708645336963923) internal successors, (15694), 5877 states have internal predecessors, (15694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 15694 transitions. [2021-06-05 10:31:53,125 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 15694 transitions. Word has length 114 [2021-06-05 10:31:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:53,125 INFO L482 AbstractCegarLoop]: Abstraction has 5878 states and 15694 transitions. [2021-06-05 10:31:53,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 15694 transitions. [2021-06-05 10:31:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:53,131 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:53,131 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:53,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-06-05 10:31:53,131 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:53,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:53,131 INFO L82 PathProgramCache]: Analyzing trace with hash 2016228492, now seen corresponding path program 96 times [2021-06-05 10:31:53,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:53,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739975029] [2021-06-05 10:31:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:53,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:53,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739975029] [2021-06-05 10:31:53,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739975029] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:53,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:53,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:53,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042171416] [2021-06-05 10:31:53,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:53,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:53,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:53,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:53,452 INFO L87 Difference]: Start difference. First operand 5878 states and 15694 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:54,157 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:54,315 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:54,504 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:31:54,683 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:31:54,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:54,831 INFO L93 Difference]: Finished difference Result 18789 states and 49224 transitions. [2021-06-05 10:31:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:54,832 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:54,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:54,849 INFO L225 Difference]: With dead ends: 18789 [2021-06-05 10:31:54,850 INFO L226 Difference]: Without dead ends: 18789 [2021-06-05 10:31:54,850 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1229.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18789 states. [2021-06-05 10:31:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18789 to 5926. [2021-06-05 10:31:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6725185685347737) internal successors, (15832), 5925 states have internal predecessors, (15832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15832 transitions. [2021-06-05 10:31:54,980 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15832 transitions. Word has length 114 [2021-06-05 10:31:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:54,980 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15832 transitions. [2021-06-05 10:31:54,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15832 transitions. [2021-06-05 10:31:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:54,985 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:54,985 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:54,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-06-05 10:31:54,986 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:54,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:54,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1767681512, now seen corresponding path program 97 times [2021-06-05 10:31:54,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:54,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556414533] [2021-06-05 10:31:54,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:55,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:55,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556414533] [2021-06-05 10:31:55,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556414533] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:55,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:55,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:55,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688007405] [2021-06-05 10:31:55,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:55,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:55,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:55,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:55,355 INFO L87 Difference]: Start difference. First operand 5926 states and 15832 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:56,048 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:56,200 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:31:56,359 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:56,547 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:56,682 INFO L93 Difference]: Finished difference Result 18625 states and 48822 transitions. [2021-06-05 10:31:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:56,683 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:56,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:56,701 INFO L225 Difference]: With dead ends: 18625 [2021-06-05 10:31:56,701 INFO L226 Difference]: Without dead ends: 18625 [2021-06-05 10:31:56,702 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1263.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:56,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18625 states. [2021-06-05 10:31:56,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18625 to 5910. [2021-06-05 10:31:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.671970209884902) internal successors, (15786), 5909 states have internal predecessors, (15786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15786 transitions. [2021-06-05 10:31:56,831 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15786 transitions. Word has length 114 [2021-06-05 10:31:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:56,832 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15786 transitions. [2021-06-05 10:31:56,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15786 transitions. [2021-06-05 10:31:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:56,837 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:56,837 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:56,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-06-05 10:31:56,837 INFO L430 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:56,837 INFO L82 PathProgramCache]: Analyzing trace with hash 610864208, now seen corresponding path program 98 times [2021-06-05 10:31:56,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:56,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836217386] [2021-06-05 10:31:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:57,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:57,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836217386] [2021-06-05 10:31:57,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836217386] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:57,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:57,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:57,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505777470] [2021-06-05 10:31:57,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:57,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:57,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:57,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:57,165 INFO L87 Difference]: Start difference. First operand 5910 states and 15786 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:57,871 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:58,005 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:58,170 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:31:58,348 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:31:58,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:58,486 INFO L93 Difference]: Finished difference Result 15983 states and 42144 transitions. [2021-06-05 10:31:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:31:58,486 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:31:58,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:58,501 INFO L225 Difference]: With dead ends: 15983 [2021-06-05 10:31:58,501 INFO L226 Difference]: Without dead ends: 15983 [2021-06-05 10:31:58,502 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1220.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:31:58,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15983 states. [2021-06-05 10:31:58,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15983 to 5794. [2021-06-05 10:31:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5792 states have (on average 2.6650552486187844) internal successors, (15436), 5793 states have internal predecessors, (15436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 15436 transitions. [2021-06-05 10:31:58,615 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 15436 transitions. Word has length 114 [2021-06-05 10:31:58,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:58,615 INFO L482 AbstractCegarLoop]: Abstraction has 5794 states and 15436 transitions. [2021-06-05 10:31:58,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 15436 transitions. [2021-06-05 10:31:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:31:58,620 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:58,620 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:58,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-06-05 10:31:58,620 INFO L430 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:31:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1755420304, now seen corresponding path program 99 times [2021-06-05 10:31:58,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:58,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285662168] [2021-06-05 10:31:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:58,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:58,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285662168] [2021-06-05 10:31:58,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285662168] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:58,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:58,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:31:58,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722126378] [2021-06-05 10:31:58,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:31:58,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:58,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:31:58,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:31:58,927 INFO L87 Difference]: Start difference. First operand 5794 states and 15436 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:59,641 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:31:59,775 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:31:59,944 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:00,121 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:00,275 INFO L93 Difference]: Finished difference Result 18795 states and 49439 transitions. [2021-06-05 10:32:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:00,275 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:00,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:00,293 INFO L225 Difference]: With dead ends: 18795 [2021-06-05 10:32:00,293 INFO L226 Difference]: Without dead ends: 18795 [2021-06-05 10:32:00,294 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1196.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18795 states. [2021-06-05 10:32:00,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18795 to 5890. [2021-06-05 10:32:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:32:00,420 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:32:00,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:00,420 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:32:00,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:32:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:00,425 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:00,425 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:00,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-06-05 10:32:00,426 INFO L430 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:00,426 INFO L82 PathProgramCache]: Analyzing trace with hash -626310256, now seen corresponding path program 100 times [2021-06-05 10:32:00,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:00,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051801068] [2021-06-05 10:32:00,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:00,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:00,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051801068] [2021-06-05 10:32:00,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051801068] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:00,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:00,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:00,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722687439] [2021-06-05 10:32:00,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:00,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:00,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:00,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:00,763 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:01,453 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:01,609 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:01,764 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:01,941 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:02,100 INFO L93 Difference]: Finished difference Result 21419 states and 56162 transitions. [2021-06-05 10:32:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:02,120 INFO L225 Difference]: With dead ends: 21419 [2021-06-05 10:32:02,120 INFO L226 Difference]: Without dead ends: 21419 [2021-06-05 10:32:02,121 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1227.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:02,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21419 states. [2021-06-05 10:32:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21419 to 5906. [2021-06-05 10:32:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5906 states, 5904 states have (on average 2.669037940379404) internal successors, (15758), 5905 states have internal predecessors, (15758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5906 states to 5906 states and 15758 transitions. [2021-06-05 10:32:02,265 INFO L78 Accepts]: Start accepts. Automaton has 5906 states and 15758 transitions. Word has length 114 [2021-06-05 10:32:02,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:02,266 INFO L482 AbstractCegarLoop]: Abstraction has 5906 states and 15758 transitions. [2021-06-05 10:32:02,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5906 states and 15758 transitions. [2021-06-05 10:32:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:02,271 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:02,271 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:02,271 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-06-05 10:32:02,271 INFO L430 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:02,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:02,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1509164366, now seen corresponding path program 101 times [2021-06-05 10:32:02,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:02,272 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401707768] [2021-06-05 10:32:02,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:02,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:02,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401707768] [2021-06-05 10:32:02,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401707768] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:02,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:02,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:02,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572301792] [2021-06-05 10:32:02,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:02,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:02,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:02,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:02,584 INFO L87 Difference]: Start difference. First operand 5906 states and 15758 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:03,289 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:03,450 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:03,621 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:03,799 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:03,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:03,979 INFO L93 Difference]: Finished difference Result 19699 states and 51450 transitions. [2021-06-05 10:32:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:03,979 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:03,997 INFO L225 Difference]: With dead ends: 19699 [2021-06-05 10:32:03,997 INFO L226 Difference]: Without dead ends: 19699 [2021-06-05 10:32:03,998 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1213.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:04,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19699 states. [2021-06-05 10:32:04,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19699 to 5858. [2021-06-05 10:32:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 5856 states have (on average 2.6673497267759565) internal successors, (15620), 5857 states have internal predecessors, (15620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 15620 transitions. [2021-06-05 10:32:04,126 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 15620 transitions. Word has length 114 [2021-06-05 10:32:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:04,126 INFO L482 AbstractCegarLoop]: Abstraction has 5858 states and 15620 transitions. [2021-06-05 10:32:04,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 15620 transitions. [2021-06-05 10:32:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:04,131 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:04,131 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:04,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-06-05 10:32:04,132 INFO L430 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:04,132 INFO L82 PathProgramCache]: Analyzing trace with hash -304563632, now seen corresponding path program 102 times [2021-06-05 10:32:04,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:04,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253847858] [2021-06-05 10:32:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:04,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:04,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253847858] [2021-06-05 10:32:04,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253847858] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:04,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:04,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:04,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717354256] [2021-06-05 10:32:04,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:04,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:04,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:04,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:04,419 INFO L87 Difference]: Start difference. First operand 5858 states and 15620 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:05,129 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:05,271 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:05,429 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:05,607 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:05,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:05,768 INFO L93 Difference]: Finished difference Result 18899 states and 49597 transitions. [2021-06-05 10:32:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:05,768 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:05,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:05,786 INFO L225 Difference]: With dead ends: 18899 [2021-06-05 10:32:05,786 INFO L226 Difference]: Without dead ends: 18899 [2021-06-05 10:32:05,787 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1182.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:05,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18899 states. [2021-06-05 10:32:05,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18899 to 5890. [2021-06-05 10:32:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:32:05,916 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:32:05,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:05,916 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:32:05,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:32:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:05,921 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:05,921 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:05,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-06-05 10:32:05,921 INFO L430 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1830910990, now seen corresponding path program 103 times [2021-06-05 10:32:05,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:05,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612188164] [2021-06-05 10:32:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:06,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:06,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612188164] [2021-06-05 10:32:06,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612188164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:06,245 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:06,245 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:06,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84243880] [2021-06-05 10:32:06,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:06,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:06,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:06,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:06,245 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:06,959 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:07,098 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:07,264 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:07,434 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:07,581 INFO L93 Difference]: Finished difference Result 19745 states and 51457 transitions. [2021-06-05 10:32:07,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:07,581 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:07,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:07,600 INFO L225 Difference]: With dead ends: 19745 [2021-06-05 10:32:07,600 INFO L226 Difference]: Without dead ends: 19745 [2021-06-05 10:32:07,600 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1226.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:07,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19745 states. [2021-06-05 10:32:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19745 to 5874. [2021-06-05 10:32:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5874 states, 5872 states have (on average 2.66791553133515) internal successors, (15666), 5873 states have internal predecessors, (15666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5874 states to 5874 states and 15666 transitions. [2021-06-05 10:32:07,736 INFO L78 Accepts]: Start accepts. Automaton has 5874 states and 15666 transitions. Word has length 114 [2021-06-05 10:32:07,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:07,736 INFO L482 AbstractCegarLoop]: Abstraction has 5874 states and 15666 transitions. [2021-06-05 10:32:07,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5874 states and 15666 transitions. [2021-06-05 10:32:07,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:07,741 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:07,741 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:07,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-06-05 10:32:07,741 INFO L430 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:07,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1666192846, now seen corresponding path program 104 times [2021-06-05 10:32:07,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:07,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834655817] [2021-06-05 10:32:07,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:08,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:08,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834655817] [2021-06-05 10:32:08,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834655817] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:08,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:08,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:08,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063406872] [2021-06-05 10:32:08,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:08,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:08,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:08,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:08,042 INFO L87 Difference]: Start difference. First operand 5874 states and 15666 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:08,751 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:08,896 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:09,064 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:09,242 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:09,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:09,402 INFO L93 Difference]: Finished difference Result 19045 states and 49828 transitions. [2021-06-05 10:32:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:09,402 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:09,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:09,421 INFO L225 Difference]: With dead ends: 19045 [2021-06-05 10:32:09,421 INFO L226 Difference]: Without dead ends: 19045 [2021-06-05 10:32:09,421 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1194.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19045 states. [2021-06-05 10:32:09,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19045 to 5890. [2021-06-05 10:32:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:32:09,558 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:32:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:09,558 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:32:09,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:32:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:09,563 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:09,563 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:09,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-06-05 10:32:09,563 INFO L430 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:09,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1914739826, now seen corresponding path program 105 times [2021-06-05 10:32:09,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:09,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280256951] [2021-06-05 10:32:09,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:09,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:09,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280256951] [2021-06-05 10:32:09,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280256951] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:09,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:09,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:09,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485602040] [2021-06-05 10:32:09,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:09,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:09,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:09,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:09,860 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:10,569 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:10,711 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:10,866 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:11,038 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:11,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:11,171 INFO L93 Difference]: Finished difference Result 16303 states and 42916 transitions. [2021-06-05 10:32:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:11,171 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:11,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:11,186 INFO L225 Difference]: With dead ends: 16303 [2021-06-05 10:32:11,187 INFO L226 Difference]: Without dead ends: 16303 [2021-06-05 10:32:11,187 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1198.9ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:11,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16303 states. [2021-06-05 10:32:11,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16303 to 5826. [2021-06-05 10:32:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.666208791208791) internal successors, (15528), 5825 states have internal predecessors, (15528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15528 transitions. [2021-06-05 10:32:11,303 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15528 transitions. Word has length 114 [2021-06-05 10:32:11,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:11,303 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15528 transitions. [2021-06-05 10:32:11,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15528 transitions. [2021-06-05 10:32:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:11,308 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:11,308 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:11,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-06-05 10:32:11,308 INFO L430 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:11,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:11,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1660742066, now seen corresponding path program 106 times [2021-06-05 10:32:11,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:11,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661294989] [2021-06-05 10:32:11,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:11,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:11,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661294989] [2021-06-05 10:32:11,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661294989] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:11,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:11,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:11,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512113188] [2021-06-05 10:32:11,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:11,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:11,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:11,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:11,666 INFO L87 Difference]: Start difference. First operand 5826 states and 15528 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:12,355 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:12,490 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:12,666 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:12,844 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:13,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:13,008 INFO L93 Difference]: Finished difference Result 21717 states and 57027 transitions. [2021-06-05 10:32:13,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:13,008 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:13,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:13,029 INFO L225 Difference]: With dead ends: 21717 [2021-06-05 10:32:13,029 INFO L226 Difference]: Without dead ends: 21717 [2021-06-05 10:32:13,029 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1223.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:13,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21717 states. [2021-06-05 10:32:13,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21717 to 5874. [2021-06-05 10:32:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5874 states, 5872 states have (on average 2.66791553133515) internal successors, (15666), 5873 states have internal predecessors, (15666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5874 states to 5874 states and 15666 transitions. [2021-06-05 10:32:13,208 INFO L78 Accepts]: Start accepts. Automaton has 5874 states and 15666 transitions. Word has length 114 [2021-06-05 10:32:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:13,209 INFO L482 AbstractCegarLoop]: Abstraction has 5874 states and 15666 transitions. [2021-06-05 10:32:13,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5874 states and 15666 transitions. [2021-06-05 10:32:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:13,213 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:13,213 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:13,214 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-06-05 10:32:13,214 INFO L430 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:13,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:13,214 INFO L82 PathProgramCache]: Analyzing trace with hash -720988494, now seen corresponding path program 107 times [2021-06-05 10:32:13,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:13,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154906798] [2021-06-05 10:32:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:13,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:13,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154906798] [2021-06-05 10:32:13,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154906798] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:13,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:13,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:13,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710340493] [2021-06-05 10:32:13,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:13,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:13,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:13,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:13,532 INFO L87 Difference]: Start difference. First operand 5874 states and 15666 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:14,236 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:14,401 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:14,562 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:14,742 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:14,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:14,914 INFO L93 Difference]: Finished difference Result 21793 states and 57163 transitions. [2021-06-05 10:32:14,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:14,915 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:14,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:14,935 INFO L225 Difference]: With dead ends: 21793 [2021-06-05 10:32:14,935 INFO L226 Difference]: Without dead ends: 21793 [2021-06-05 10:32:14,936 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1204.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21793 states. [2021-06-05 10:32:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21793 to 5890. [2021-06-05 10:32:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:32:15,082 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:32:15,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:15,082 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:32:15,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:32:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:15,087 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:15,087 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:15,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-06-05 10:32:15,088 INFO L430 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:15,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1414486128, now seen corresponding path program 108 times [2021-06-05 10:32:15,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:15,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390763280] [2021-06-05 10:32:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:15,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:15,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390763280] [2021-06-05 10:32:15,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390763280] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:15,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:15,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:15,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348273407] [2021-06-05 10:32:15,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:15,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:15,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:15,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:15,472 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:16,178 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:16,344 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:16,538 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:16,715 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:16,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:16,887 INFO L93 Difference]: Finished difference Result 21177 states and 55189 transitions. [2021-06-05 10:32:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:16,887 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:16,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:16,907 INFO L225 Difference]: With dead ends: 21177 [2021-06-05 10:32:16,907 INFO L226 Difference]: Without dead ends: 21177 [2021-06-05 10:32:16,908 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1271.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:16,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21177 states. [2021-06-05 10:32:17,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21177 to 5842. [2021-06-05 10:32:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5842 states, 5840 states have (on average 2.666780821917808) internal successors, (15574), 5841 states have internal predecessors, (15574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:17,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 15574 transitions. [2021-06-05 10:32:17,047 INFO L78 Accepts]: Start accepts. Automaton has 5842 states and 15574 transitions. Word has length 114 [2021-06-05 10:32:17,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:17,047 INFO L482 AbstractCegarLoop]: Abstraction has 5842 states and 15574 transitions. [2021-06-05 10:32:17,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5842 states and 15574 transitions. [2021-06-05 10:32:17,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:17,052 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:17,052 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:17,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-06-05 10:32:17,053 INFO L430 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:17,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:17,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1281924752, now seen corresponding path program 109 times [2021-06-05 10:32:17,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:17,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641132897] [2021-06-05 10:32:17,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:17,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:17,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641132897] [2021-06-05 10:32:17,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641132897] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:17,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:17,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:17,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142678938] [2021-06-05 10:32:17,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:17,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:17,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:17,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:17,367 INFO L87 Difference]: Start difference. First operand 5842 states and 15574 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:18,189 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:18,367 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:18,547 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:18,686 INFO L93 Difference]: Finished difference Result 17585 states and 46090 transitions. [2021-06-05 10:32:18,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:18,686 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:18,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:18,703 INFO L225 Difference]: With dead ends: 17585 [2021-06-05 10:32:18,704 INFO L226 Difference]: Without dead ends: 17585 [2021-06-05 10:32:18,704 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1195.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:18,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17585 states. [2021-06-05 10:32:18,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17585 to 5810. [2021-06-05 10:32:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.665633608815427) internal successors, (15482), 5809 states have internal predecessors, (15482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15482 transitions. [2021-06-05 10:32:18,834 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15482 transitions. Word has length 114 [2021-06-05 10:32:18,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:18,835 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15482 transitions. [2021-06-05 10:32:18,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:18,835 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15482 transitions. [2021-06-05 10:32:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:18,840 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:18,840 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:18,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-06-05 10:32:18,841 INFO L430 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:18,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1254839758, now seen corresponding path program 110 times [2021-06-05 10:32:18,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:18,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782954555] [2021-06-05 10:32:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:19,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:19,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782954555] [2021-06-05 10:32:19,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782954555] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:19,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:19,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:19,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698140867] [2021-06-05 10:32:19,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:19,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:19,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:19,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:19,170 INFO L87 Difference]: Start difference. First operand 5810 states and 15482 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:19,877 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:20,010 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:20,183 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:20,362 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:20,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:20,506 INFO L93 Difference]: Finished difference Result 16807 states and 44510 transitions. [2021-06-05 10:32:20,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:20,506 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:20,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:20,522 INFO L225 Difference]: With dead ends: 16807 [2021-06-05 10:32:20,522 INFO L226 Difference]: Without dead ends: 16807 [2021-06-05 10:32:20,522 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1229.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:20,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16807 states. [2021-06-05 10:32:20,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16807 to 5874. [2021-06-05 10:32:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5874 states, 5872 states have (on average 2.66791553133515) internal successors, (15666), 5873 states have internal predecessors, (15666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5874 states to 5874 states and 15666 transitions. [2021-06-05 10:32:20,643 INFO L78 Accepts]: Start accepts. Automaton has 5874 states and 15666 transitions. Word has length 114 [2021-06-05 10:32:20,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:20,643 INFO L482 AbstractCegarLoop]: Abstraction has 5874 states and 15666 transitions. [2021-06-05 10:32:20,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 5874 states and 15666 transitions. [2021-06-05 10:32:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:20,648 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:20,648 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:20,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-06-05 10:32:20,648 INFO L430 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:20,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:20,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1126890802, now seen corresponding path program 111 times [2021-06-05 10:32:20,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:20,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860372625] [2021-06-05 10:32:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:20,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:20,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860372625] [2021-06-05 10:32:20,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860372625] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:20,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:20,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:20,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174579946] [2021-06-05 10:32:20,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:20,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:20,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:20,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:20,971 INFO L87 Difference]: Start difference. First operand 5874 states and 15666 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:21,665 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:21,823 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:21,980 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:22,158 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:22,300 INFO L93 Difference]: Finished difference Result 16883 states and 44646 transitions. [2021-06-05 10:32:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:22,301 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:22,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:22,317 INFO L225 Difference]: With dead ends: 16883 [2021-06-05 10:32:22,317 INFO L226 Difference]: Without dead ends: 16883 [2021-06-05 10:32:22,318 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1222.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2021-06-05 10:32:22,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 5890. [2021-06-05 10:32:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:32:22,439 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:32:22,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:22,439 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:32:22,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:32:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:22,444 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:22,444 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:22,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-06-05 10:32:22,444 INFO L430 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:22,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:22,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1008583820, now seen corresponding path program 112 times [2021-06-05 10:32:22,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:22,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472270734] [2021-06-05 10:32:22,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:22,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:22,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472270734] [2021-06-05 10:32:22,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472270734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:22,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:22,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:22,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223872247] [2021-06-05 10:32:22,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:22,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:22,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:22,807 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:23,514 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:23,676 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:23,850 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:24,029 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:24,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:24,182 INFO L93 Difference]: Finished difference Result 16267 states and 42672 transitions. [2021-06-05 10:32:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:24,183 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:24,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:24,198 INFO L225 Difference]: With dead ends: 16267 [2021-06-05 10:32:24,198 INFO L226 Difference]: Without dead ends: 16267 [2021-06-05 10:32:24,199 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1235.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16267 states. [2021-06-05 10:32:24,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16267 to 5842. [2021-06-05 10:32:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5842 states, 5840 states have (on average 2.666780821917808) internal successors, (15574), 5841 states have internal predecessors, (15574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 15574 transitions. [2021-06-05 10:32:24,318 INFO L78 Accepts]: Start accepts. Automaton has 5842 states and 15574 transitions. Word has length 114 [2021-06-05 10:32:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:24,318 INFO L482 AbstractCegarLoop]: Abstraction has 5842 states and 15574 transitions. [2021-06-05 10:32:24,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5842 states and 15574 transitions. [2021-06-05 10:32:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:24,323 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:24,323 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:24,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-06-05 10:32:24,323 INFO L430 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:24,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:24,323 INFO L82 PathProgramCache]: Analyzing trace with hash 876022444, now seen corresponding path program 113 times [2021-06-05 10:32:24,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:24,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294084129] [2021-06-05 10:32:24,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:24,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:24,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294084129] [2021-06-05 10:32:24,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294084129] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:24,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:24,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:24,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759528048] [2021-06-05 10:32:24,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:24,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:24,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:24,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:24,675 INFO L87 Difference]: Start difference. First operand 5842 states and 15574 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:25,519 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:25,701 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:25,916 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:26,053 INFO L93 Difference]: Finished difference Result 16335 states and 42978 transitions. [2021-06-05 10:32:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:26,053 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:26,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:26,069 INFO L225 Difference]: With dead ends: 16335 [2021-06-05 10:32:26,069 INFO L226 Difference]: Without dead ends: 16335 [2021-06-05 10:32:26,069 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1256.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:26,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16335 states. [2021-06-05 10:32:26,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16335 to 5826. [2021-06-05 10:32:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.666208791208791) internal successors, (15528), 5825 states have internal predecessors, (15528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15528 transitions. [2021-06-05 10:32:26,190 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15528 transitions. Word has length 114 [2021-06-05 10:32:26,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:26,190 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15528 transitions. [2021-06-05 10:32:26,190 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15528 transitions. [2021-06-05 10:32:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:26,196 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:26,196 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:26,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-06-05 10:32:26,196 INFO L430 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:26,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:26,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1216266802, now seen corresponding path program 114 times [2021-06-05 10:32:26,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:26,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481002949] [2021-06-05 10:32:26,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:26,534 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:26,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481002949] [2021-06-05 10:32:26,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481002949] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:26,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:26,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:26,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466368722] [2021-06-05 10:32:26,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:26,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:26,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:26,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:26,535 INFO L87 Difference]: Start difference. First operand 5826 states and 15528 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:27,350 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:27,527 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:27,708 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:27,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:27,849 INFO L93 Difference]: Finished difference Result 12961 states and 34254 transitions. [2021-06-05 10:32:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:27,850 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:27,862 INFO L225 Difference]: With dead ends: 12961 [2021-06-05 10:32:27,862 INFO L226 Difference]: Without dead ends: 12961 [2021-06-05 10:32:27,862 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1212.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12961 states. [2021-06-05 10:32:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 5770. [2021-06-05 10:32:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5770 states, 5768 states have (on average 2.663661581137309) internal successors, (15364), 5769 states have internal predecessors, (15364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:27,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5770 states to 5770 states and 15364 transitions. [2021-06-05 10:32:27,965 INFO L78 Accepts]: Start accepts. Automaton has 5770 states and 15364 transitions. Word has length 114 [2021-06-05 10:32:27,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:27,965 INFO L482 AbstractCegarLoop]: Abstraction has 5770 states and 15364 transitions. [2021-06-05 10:32:27,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5770 states and 15364 transitions. [2021-06-05 10:32:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:27,970 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:27,970 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:27,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-06-05 10:32:27,971 INFO L430 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:27,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:27,971 INFO L82 PathProgramCache]: Analyzing trace with hash -969027600, now seen corresponding path program 115 times [2021-06-05 10:32:27,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:27,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778997993] [2021-06-05 10:32:27,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:28,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:28,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778997993] [2021-06-05 10:32:28,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778997993] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:28,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:28,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:28,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840850995] [2021-06-05 10:32:28,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:28,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:28,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:28,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:28,296 INFO L87 Difference]: Start difference. First operand 5770 states and 15364 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:29,016 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:29,150 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:29,318 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:29,496 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:29,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:29,641 INFO L93 Difference]: Finished difference Result 17528 states and 45805 transitions. [2021-06-05 10:32:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:29,641 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:29,658 INFO L225 Difference]: With dead ends: 17528 [2021-06-05 10:32:29,658 INFO L226 Difference]: Without dead ends: 17528 [2021-06-05 10:32:29,658 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1226.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17528 states. [2021-06-05 10:32:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17528 to 5896. [2021-06-05 10:32:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5896 states, 5894 states have (on average 2.668306752629793) internal successors, (15727), 5895 states have internal predecessors, (15727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 5896 states and 15727 transitions. [2021-06-05 10:32:29,785 INFO L78 Accepts]: Start accepts. Automaton has 5896 states and 15727 transitions. Word has length 114 [2021-06-05 10:32:29,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:29,785 INFO L482 AbstractCegarLoop]: Abstraction has 5896 states and 15727 transitions. [2021-06-05 10:32:29,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5896 states and 15727 transitions. [2021-06-05 10:32:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:29,791 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:29,791 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:29,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-06-05 10:32:29,791 INFO L430 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:29,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:29,791 INFO L82 PathProgramCache]: Analyzing trace with hash 944209136, now seen corresponding path program 116 times [2021-06-05 10:32:29,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:29,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320014800] [2021-06-05 10:32:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:30,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:30,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320014800] [2021-06-05 10:32:30,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320014800] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:30,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:30,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:30,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598516076] [2021-06-05 10:32:30,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:30,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:30,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:30,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:30,088 INFO L87 Difference]: Start difference. First operand 5896 states and 15727 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:30,792 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:30,949 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:31,103 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:31,283 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:31,434 INFO L93 Difference]: Finished difference Result 20152 states and 52528 transitions. [2021-06-05 10:32:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:31,453 INFO L225 Difference]: With dead ends: 20152 [2021-06-05 10:32:31,453 INFO L226 Difference]: Without dead ends: 20152 [2021-06-05 10:32:31,453 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1192.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:31,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20152 states. [2021-06-05 10:32:31,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20152 to 5912. [2021-06-05 10:32:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5910 states have (on average 2.668866328257191) internal successors, (15773), 5911 states have internal predecessors, (15773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 15773 transitions. [2021-06-05 10:32:31,592 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 15773 transitions. Word has length 114 [2021-06-05 10:32:31,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:31,592 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 15773 transitions. [2021-06-05 10:32:31,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 15773 transitions. [2021-06-05 10:32:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:31,597 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:31,597 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:31,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-06-05 10:32:31,598 INFO L430 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:31,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:31,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1215283538, now seen corresponding path program 117 times [2021-06-05 10:32:31,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:31,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554031827] [2021-06-05 10:32:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:31,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:31,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554031827] [2021-06-05 10:32:31,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554031827] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:31,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:31,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:31,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978062077] [2021-06-05 10:32:31,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:31,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:31,902 INFO L87 Difference]: Start difference. First operand 5912 states and 15773 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:32,601 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:32,753 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:32,918 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:33,091 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:33,226 INFO L93 Difference]: Finished difference Result 18432 states and 47816 transitions. [2021-06-05 10:32:33,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:33,226 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:33,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:33,244 INFO L225 Difference]: With dead ends: 18432 [2021-06-05 10:32:33,244 INFO L226 Difference]: Without dead ends: 18432 [2021-06-05 10:32:33,244 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1220.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:33,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18432 states. [2021-06-05 10:32:33,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18432 to 5864. [2021-06-05 10:32:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5864 states, 5862 states have (on average 2.667178437393381) internal successors, (15635), 5863 states have internal predecessors, (15635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5864 states to 5864 states and 15635 transitions. [2021-06-05 10:32:33,375 INFO L78 Accepts]: Start accepts. Automaton has 5864 states and 15635 transitions. Word has length 114 [2021-06-05 10:32:33,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:33,375 INFO L482 AbstractCegarLoop]: Abstraction has 5864 states and 15635 transitions. [2021-06-05 10:32:33,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5864 states and 15635 transitions. [2021-06-05 10:32:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:33,380 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:33,380 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:33,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-06-05 10:32:33,380 INFO L430 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:33,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1265955760, now seen corresponding path program 118 times [2021-06-05 10:32:33,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:33,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314522586] [2021-06-05 10:32:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:33,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:33,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314522586] [2021-06-05 10:32:33,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314522586] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:33,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:33,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:33,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538576836] [2021-06-05 10:32:33,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:33,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:33,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:33,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:33,662 INFO L87 Difference]: Start difference. First operand 5864 states and 15635 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:34,355 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:34,497 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:34,652 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:34,827 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:34,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:34,965 INFO L93 Difference]: Finished difference Result 17632 states and 45963 transitions. [2021-06-05 10:32:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:34,966 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:34,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:34,982 INFO L225 Difference]: With dead ends: 17632 [2021-06-05 10:32:34,982 INFO L226 Difference]: Without dead ends: 17632 [2021-06-05 10:32:34,982 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1182.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17632 states. [2021-06-05 10:32:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17632 to 5896. [2021-06-05 10:32:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5896 states, 5894 states have (on average 2.668306752629793) internal successors, (15727), 5895 states have internal predecessors, (15727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 5896 states and 15727 transitions. [2021-06-05 10:32:35,155 INFO L78 Accepts]: Start accepts. Automaton has 5896 states and 15727 transitions. Word has length 114 [2021-06-05 10:32:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:35,155 INFO L482 AbstractCegarLoop]: Abstraction has 5896 states and 15727 transitions. [2021-06-05 10:32:35,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5896 states and 15727 transitions. [2021-06-05 10:32:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:35,160 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:35,160 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:35,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-06-05 10:32:35,160 INFO L430 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:35,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:35,161 INFO L82 PathProgramCache]: Analyzing trace with hash -893536914, now seen corresponding path program 119 times [2021-06-05 10:32:35,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:35,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497074049] [2021-06-05 10:32:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:35,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:35,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497074049] [2021-06-05 10:32:35,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497074049] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:35,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:35,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:35,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545287869] [2021-06-05 10:32:35,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:35,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:35,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:35,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:35,450 INFO L87 Difference]: Start difference. First operand 5896 states and 15727 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:36,158 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:36,301 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:36,471 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:36,645 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:36,802 INFO L93 Difference]: Finished difference Result 18478 states and 47823 transitions. [2021-06-05 10:32:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:36,802 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:36,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:36,820 INFO L225 Difference]: With dead ends: 18478 [2021-06-05 10:32:36,820 INFO L226 Difference]: Without dead ends: 18478 [2021-06-05 10:32:36,820 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1191.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:36,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18478 states. [2021-06-05 10:32:36,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18478 to 5880. [2021-06-05 10:32:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 5878 states have (on average 2.667744130656686) internal successors, (15681), 5879 states have internal predecessors, (15681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 15681 transitions. [2021-06-05 10:32:36,954 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 15681 transitions. Word has length 114 [2021-06-05 10:32:36,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:36,954 INFO L482 AbstractCegarLoop]: Abstraction has 5880 states and 15681 transitions. [2021-06-05 10:32:36,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 15681 transitions. [2021-06-05 10:32:36,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:36,959 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:36,959 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:36,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-06-05 10:32:36,960 INFO L430 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:36,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:36,960 INFO L82 PathProgramCache]: Analyzing trace with hash -95673454, now seen corresponding path program 120 times [2021-06-05 10:32:36,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:36,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517904900] [2021-06-05 10:32:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:37,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:37,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517904900] [2021-06-05 10:32:37,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517904900] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:37,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:37,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:37,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732232574] [2021-06-05 10:32:37,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:37,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:37,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:37,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:37,252 INFO L87 Difference]: Start difference. First operand 5880 states and 15681 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:37,978 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:38,122 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:38,289 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:38,484 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:38,631 INFO L93 Difference]: Finished difference Result 17778 states and 46194 transitions. [2021-06-05 10:32:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:38,632 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:38,648 INFO L225 Difference]: With dead ends: 17778 [2021-06-05 10:32:38,648 INFO L226 Difference]: Without dead ends: 17778 [2021-06-05 10:32:38,649 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1201.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17778 states. [2021-06-05 10:32:38,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17778 to 5896. [2021-06-05 10:32:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5896 states, 5894 states have (on average 2.668306752629793) internal successors, (15727), 5895 states have internal predecessors, (15727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:38,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 5896 states and 15727 transitions. [2021-06-05 10:32:38,777 INFO L78 Accepts]: Start accepts. Automaton has 5896 states and 15727 transitions. Word has length 114 [2021-06-05 10:32:38,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:38,777 INFO L482 AbstractCegarLoop]: Abstraction has 5896 states and 15727 transitions. [2021-06-05 10:32:38,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5896 states and 15727 transitions. [2021-06-05 10:32:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:38,782 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:38,782 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:38,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-06-05 10:32:38,782 INFO L430 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash -344220434, now seen corresponding path program 121 times [2021-06-05 10:32:38,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:38,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41227100] [2021-06-05 10:32:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:39,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:39,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41227100] [2021-06-05 10:32:39,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41227100] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:39,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:39,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:39,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344085894] [2021-06-05 10:32:39,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:39,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:39,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:39,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:39,106 INFO L87 Difference]: Start difference. First operand 5896 states and 15727 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:39,817 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:39,962 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:40,118 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:40,295 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:40,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:40,435 INFO L93 Difference]: Finished difference Result 15036 states and 39282 transitions. [2021-06-05 10:32:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:40,436 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:40,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:40,450 INFO L225 Difference]: With dead ends: 15036 [2021-06-05 10:32:40,450 INFO L226 Difference]: Without dead ends: 15036 [2021-06-05 10:32:40,450 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1204.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:40,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15036 states. [2021-06-05 10:32:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15036 to 5832. [2021-06-05 10:32:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 5830 states have (on average 2.6660377358490566) internal successors, (15543), 5831 states have internal predecessors, (15543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 15543 transitions. [2021-06-05 10:32:40,563 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 15543 transitions. Word has length 114 [2021-06-05 10:32:40,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:40,563 INFO L482 AbstractCegarLoop]: Abstraction has 5832 states and 15543 transitions. [2021-06-05 10:32:40,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 15543 transitions. [2021-06-05 10:32:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:40,569 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:40,569 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:40,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-06-05 10:32:40,569 INFO L430 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:40,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:40,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1063705838, now seen corresponding path program 122 times [2021-06-05 10:32:40,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:40,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418012985] [2021-06-05 10:32:40,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:40,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:40,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418012985] [2021-06-05 10:32:40,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418012985] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:40,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:40,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:40,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52306148] [2021-06-05 10:32:40,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:40,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:40,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:40,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:40,897 INFO L87 Difference]: Start difference. First operand 5832 states and 15543 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:41,495 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-06-05 10:32:41,622 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:41,756 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:41,929 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:42,108 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:42,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:42,260 INFO L93 Difference]: Finished difference Result 16228 states and 42674 transitions. [2021-06-05 10:32:42,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:42,261 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:42,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:42,277 INFO L225 Difference]: With dead ends: 16228 [2021-06-05 10:32:42,277 INFO L226 Difference]: Without dead ends: 16228 [2021-06-05 10:32:42,277 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1213.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:42,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16228 states. [2021-06-05 10:32:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16228 to 5880. [2021-06-05 10:32:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 5878 states have (on average 2.667744130656686) internal successors, (15681), 5879 states have internal predecessors, (15681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 15681 transitions. [2021-06-05 10:32:42,407 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 15681 transitions. Word has length 114 [2021-06-05 10:32:42,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:42,407 INFO L482 AbstractCegarLoop]: Abstraction has 5880 states and 15681 transitions. [2021-06-05 10:32:42,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 15681 transitions. [2021-06-05 10:32:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:42,414 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:42,414 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:42,414 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-06-05 10:32:42,414 INFO L430 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:42,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:42,414 INFO L82 PathProgramCache]: Analyzing trace with hash 849530898, now seen corresponding path program 123 times [2021-06-05 10:32:42,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:42,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778192311] [2021-06-05 10:32:42,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:42,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:42,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778192311] [2021-06-05 10:32:42,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778192311] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:42,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:42,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:42,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111148168] [2021-06-05 10:32:42,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:42,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:42,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:42,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:42,727 INFO L87 Difference]: Start difference. First operand 5880 states and 15681 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:43,417 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:43,573 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:43,729 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:43,906 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:44,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:44,046 INFO L93 Difference]: Finished difference Result 16304 states and 42810 transitions. [2021-06-05 10:32:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:44,046 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:44,062 INFO L225 Difference]: With dead ends: 16304 [2021-06-05 10:32:44,062 INFO L226 Difference]: Without dead ends: 16304 [2021-06-05 10:32:44,063 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1207.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:44,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16304 states. [2021-06-05 10:32:44,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16304 to 5896. [2021-06-05 10:32:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5896 states, 5894 states have (on average 2.668306752629793) internal successors, (15727), 5895 states have internal predecessors, (15727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 5896 states and 15727 transitions. [2021-06-05 10:32:44,184 INFO L78 Accepts]: Start accepts. Automaton has 5896 states and 15727 transitions. Word has length 114 [2021-06-05 10:32:44,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:44,185 INFO L482 AbstractCegarLoop]: Abstraction has 5896 states and 15727 transitions. [2021-06-05 10:32:44,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5896 states and 15727 transitions. [2021-06-05 10:32:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:44,190 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:44,190 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:44,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-06-05 10:32:44,190 INFO L430 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:44,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:44,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1309961776, now seen corresponding path program 124 times [2021-06-05 10:32:44,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:44,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091666409] [2021-06-05 10:32:44,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:44,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:44,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091666409] [2021-06-05 10:32:44,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091666409] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:44,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:44,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:44,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403252323] [2021-06-05 10:32:44,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:44,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:44,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:44,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:44,549 INFO L87 Difference]: Start difference. First operand 5896 states and 15727 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:45,252 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:45,412 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:45,582 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:45,758 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:45,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:45,904 INFO L93 Difference]: Finished difference Result 15688 states and 40836 transitions. [2021-06-05 10:32:45,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:45,905 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:45,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:45,920 INFO L225 Difference]: With dead ends: 15688 [2021-06-05 10:32:45,920 INFO L226 Difference]: Without dead ends: 15688 [2021-06-05 10:32:45,921 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1215.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15688 states. [2021-06-05 10:32:46,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15688 to 5848. [2021-06-05 10:32:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5848 states, 5846 states have (on average 2.666609647622306) internal successors, (15589), 5847 states have internal predecessors, (15589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5848 states to 5848 states and 15589 transitions. [2021-06-05 10:32:46,034 INFO L78 Accepts]: Start accepts. Automaton has 5848 states and 15589 transitions. Word has length 114 [2021-06-05 10:32:46,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:46,034 INFO L482 AbstractCegarLoop]: Abstraction has 5848 states and 15589 transitions. [2021-06-05 10:32:46,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5848 states and 15589 transitions. [2021-06-05 10:32:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:46,039 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:46,039 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:46,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-06-05 10:32:46,039 INFO L430 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:46,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:46,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1442523152, now seen corresponding path program 125 times [2021-06-05 10:32:46,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:46,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942541883] [2021-06-05 10:32:46,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:46,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:46,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942541883] [2021-06-05 10:32:46,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942541883] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:46,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:46,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:46,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986283496] [2021-06-05 10:32:46,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:46,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:46,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:46,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:46,354 INFO L87 Difference]: Start difference. First operand 5848 states and 15589 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:47,188 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:47,364 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:47,543 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:47,680 INFO L93 Difference]: Finished difference Result 12448 states and 32589 transitions. [2021-06-05 10:32:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:47,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:47,693 INFO L225 Difference]: With dead ends: 12448 [2021-06-05 10:32:47,693 INFO L226 Difference]: Without dead ends: 12448 [2021-06-05 10:32:47,694 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1195.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:47,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12448 states. [2021-06-05 10:32:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12448 to 5816. [2021-06-05 10:32:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5816 states, 5814 states have (on average 2.66546267629859) internal successors, (15497), 5815 states have internal predecessors, (15497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5816 states to 5816 states and 15497 transitions. [2021-06-05 10:32:47,814 INFO L78 Accepts]: Start accepts. Automaton has 5816 states and 15497 transitions. Word has length 114 [2021-06-05 10:32:47,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:47,814 INFO L482 AbstractCegarLoop]: Abstraction has 5816 states and 15497 transitions. [2021-06-05 10:32:47,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5816 states and 15497 transitions. [2021-06-05 10:32:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:47,819 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:47,819 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:47,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-06-05 10:32:47,819 INFO L430 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:47,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:47,819 INFO L82 PathProgramCache]: Analyzing trace with hash -131006960, now seen corresponding path program 126 times [2021-06-05 10:32:47,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:47,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73157322] [2021-06-05 10:32:47,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:48,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:48,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73157322] [2021-06-05 10:32:48,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73157322] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:48,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:48,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:48,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361293301] [2021-06-05 10:32:48,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:48,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:48,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:48,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:48,124 INFO L87 Difference]: Start difference. First operand 5816 states and 15497 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:48,865 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:48,998 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:32:49,167 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:49,345 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:49,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:49,491 INFO L93 Difference]: Finished difference Result 16948 states and 44081 transitions. [2021-06-05 10:32:49,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:49,492 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:49,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:49,509 INFO L225 Difference]: With dead ends: 16948 [2021-06-05 10:32:49,509 INFO L226 Difference]: Without dead ends: 16948 [2021-06-05 10:32:49,509 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1234.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:49,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16948 states. [2021-06-05 10:32:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16948 to 5944. [2021-06-05 10:32:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 5942 states have (on average 2.6699764389094582) internal successors, (15865), 5943 states have internal predecessors, (15865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 15865 transitions. [2021-06-05 10:32:49,632 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 15865 transitions. Word has length 114 [2021-06-05 10:32:49,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:49,632 INFO L482 AbstractCegarLoop]: Abstraction has 5944 states and 15865 transitions. [2021-06-05 10:32:49,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 15865 transitions. [2021-06-05 10:32:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:49,638 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:49,638 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:49,638 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-06-05 10:32:49,638 INFO L430 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:49,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1782229776, now seen corresponding path program 127 times [2021-06-05 10:32:49,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:49,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520364576] [2021-06-05 10:32:49,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:49,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:49,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520364576] [2021-06-05 10:32:49,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520364576] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:49,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:49,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:49,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732760313] [2021-06-05 10:32:49,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:49,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:49,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:49,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:49,942 INFO L87 Difference]: Start difference. First operand 5944 states and 15865 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:50,660 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:50,819 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:51,007 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:51,190 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:51,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:51,342 INFO L93 Difference]: Finished difference Result 19572 states and 50804 transitions. [2021-06-05 10:32:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:51,342 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:51,361 INFO L225 Difference]: With dead ends: 19572 [2021-06-05 10:32:51,361 INFO L226 Difference]: Without dead ends: 19572 [2021-06-05 10:32:51,361 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1227.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:51,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19572 states. [2021-06-05 10:32:51,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19572 to 5960. [2021-06-05 10:32:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5960 states, 5958 states have (on average 2.6705270224907687) internal successors, (15911), 5959 states have internal predecessors, (15911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5960 states to 5960 states and 15911 transitions. [2021-06-05 10:32:51,492 INFO L78 Accepts]: Start accepts. Automaton has 5960 states and 15911 transitions. Word has length 114 [2021-06-05 10:32:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:51,492 INFO L482 AbstractCegarLoop]: Abstraction has 5960 states and 15911 transitions. [2021-06-05 10:32:51,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5960 states and 15911 transitions. [2021-06-05 10:32:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:51,497 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:51,497 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:51,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-06-05 10:32:51,497 INFO L430 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:51,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:51,498 INFO L82 PathProgramCache]: Analyzing trace with hash -377262898, now seen corresponding path program 128 times [2021-06-05 10:32:51,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:51,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145422610] [2021-06-05 10:32:51,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:51,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:51,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145422610] [2021-06-05 10:32:51,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145422610] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:51,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:51,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:51,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957098247] [2021-06-05 10:32:51,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:51,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:51,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:51,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:51,796 INFO L87 Difference]: Start difference. First operand 5960 states and 15911 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:52,509 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:32:52,667 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:52,836 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:53,016 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:53,169 INFO L93 Difference]: Finished difference Result 17852 states and 46092 transitions. [2021-06-05 10:32:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:53,170 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:53,187 INFO L225 Difference]: With dead ends: 17852 [2021-06-05 10:32:53,187 INFO L226 Difference]: Without dead ends: 17852 [2021-06-05 10:32:53,187 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1203.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:53,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17852 states. [2021-06-05 10:32:53,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17852 to 5912. [2021-06-05 10:32:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5910 states have (on average 2.668866328257191) internal successors, (15773), 5911 states have internal predecessors, (15773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 15773 transitions. [2021-06-05 10:32:53,313 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 15773 transitions. Word has length 114 [2021-06-05 10:32:53,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:53,313 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 15773 transitions. [2021-06-05 10:32:53,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 15773 transitions. [2021-06-05 10:32:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:53,318 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:53,318 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:53,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-06-05 10:32:53,319 INFO L430 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:53,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:53,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2103976400, now seen corresponding path program 129 times [2021-06-05 10:32:53,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:53,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461552078] [2021-06-05 10:32:53,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:53,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:53,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461552078] [2021-06-05 10:32:53,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461552078] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:53,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:53,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:53,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128868179] [2021-06-05 10:32:53,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:53,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:53,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:53,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:53,663 INFO L87 Difference]: Start difference. First operand 5912 states and 15773 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:54,381 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:54,522 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:54,677 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:32:54,854 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:32:55,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:55,004 INFO L93 Difference]: Finished difference Result 20928 states and 54021 transitions. [2021-06-05 10:32:55,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:55,004 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:55,024 INFO L225 Difference]: With dead ends: 20928 [2021-06-05 10:32:55,024 INFO L226 Difference]: Without dead ends: 20928 [2021-06-05 10:32:55,024 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1234.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20928 states. [2021-06-05 10:32:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20928 to 5944. [2021-06-05 10:32:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 5942 states have (on average 2.6699764389094582) internal successors, (15865), 5943 states have internal predecessors, (15865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 15865 transitions. [2021-06-05 10:32:55,168 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 15865 transitions. Word has length 114 [2021-06-05 10:32:55,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:55,168 INFO L482 AbstractCegarLoop]: Abstraction has 5944 states and 15865 transitions. [2021-06-05 10:32:55,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 15865 transitions. [2021-06-05 10:32:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:55,173 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:55,173 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:55,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-06-05 10:32:55,173 INFO L430 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:55,173 INFO L82 PathProgramCache]: Analyzing trace with hash -55516274, now seen corresponding path program 130 times [2021-06-05 10:32:55,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:55,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725180887] [2021-06-05 10:32:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:55,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:55,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725180887] [2021-06-05 10:32:55,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725180887] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:55,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:55,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:55,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382016179] [2021-06-05 10:32:55,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:55,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:55,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:55,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:55,485 INFO L87 Difference]: Start difference. First operand 5944 states and 15865 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:56,201 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:56,344 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:56,516 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:56,693 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:56,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:56,868 INFO L93 Difference]: Finished difference Result 21774 states and 55881 transitions. [2021-06-05 10:32:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:56,868 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:56,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:56,889 INFO L225 Difference]: With dead ends: 21774 [2021-06-05 10:32:56,889 INFO L226 Difference]: Without dead ends: 21774 [2021-06-05 10:32:56,889 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1194.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21774 states. [2021-06-05 10:32:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21774 to 5928. [2021-06-05 10:32:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5928 states, 5926 states have (on average 2.6694228822139725) internal successors, (15819), 5927 states have internal predecessors, (15819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 15819 transitions. [2021-06-05 10:32:57,039 INFO L78 Accepts]: Start accepts. Automaton has 5928 states and 15819 transitions. Word has length 114 [2021-06-05 10:32:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:57,039 INFO L482 AbstractCegarLoop]: Abstraction has 5928 states and 15819 transitions. [2021-06-05 10:32:57,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 5928 states and 15819 transitions. [2021-06-05 10:32:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:57,045 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:57,045 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:57,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-06-05 10:32:57,045 INFO L430 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:57,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:57,046 INFO L82 PathProgramCache]: Analyzing trace with hash 742347186, now seen corresponding path program 131 times [2021-06-05 10:32:57,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:57,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694762666] [2021-06-05 10:32:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:57,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:57,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694762666] [2021-06-05 10:32:57,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694762666] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:57,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:57,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:57,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106962369] [2021-06-05 10:32:57,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:57,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:57,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:57,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:57,374 INFO L87 Difference]: Start difference. First operand 5928 states and 15819 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:58,087 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:32:58,232 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:32:58,401 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:32:58,580 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:32:58,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:58,747 INFO L93 Difference]: Finished difference Result 21074 states and 54252 transitions. [2021-06-05 10:32:58,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:32:58,747 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:32:58,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:58,766 INFO L225 Difference]: With dead ends: 21074 [2021-06-05 10:32:58,766 INFO L226 Difference]: Without dead ends: 21074 [2021-06-05 10:32:58,766 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1191.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:32:58,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21074 states. [2021-06-05 10:32:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21074 to 5944. [2021-06-05 10:32:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 5942 states have (on average 2.6699764389094582) internal successors, (15865), 5943 states have internal predecessors, (15865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 15865 transitions. [2021-06-05 10:32:58,909 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 15865 transitions. Word has length 114 [2021-06-05 10:32:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:58,909 INFO L482 AbstractCegarLoop]: Abstraction has 5944 states and 15865 transitions. [2021-06-05 10:32:58,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 15865 transitions. [2021-06-05 10:32:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:32:58,914 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:58,914 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:58,914 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-06-05 10:32:58,914 INFO L430 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:32:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:58,914 INFO L82 PathProgramCache]: Analyzing trace with hash 493800206, now seen corresponding path program 132 times [2021-06-05 10:32:58,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:58,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399070191] [2021-06-05 10:32:58,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:59,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:59,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399070191] [2021-06-05 10:32:59,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399070191] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:59,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:59,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:32:59,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109349516] [2021-06-05 10:32:59,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:32:59,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:59,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:32:59,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:32:59,195 INFO L87 Difference]: Start difference. First operand 5944 states and 15865 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:59,892 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:00,033 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:00,189 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:00,386 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:00,512 INFO L93 Difference]: Finished difference Result 18032 states and 46590 transitions. [2021-06-05 10:33:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:00,512 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:00,529 INFO L225 Difference]: With dead ends: 18032 [2021-06-05 10:33:00,529 INFO L226 Difference]: Without dead ends: 18032 [2021-06-05 10:33:00,529 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1203.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:00,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18032 states. [2021-06-05 10:33:00,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18032 to 5880. [2021-06-05 10:33:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 5878 states have (on average 2.667744130656686) internal successors, (15681), 5879 states have internal predecessors, (15681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 15681 transitions. [2021-06-05 10:33:00,655 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 15681 transitions. Word has length 114 [2021-06-05 10:33:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:00,655 INFO L482 AbstractCegarLoop]: Abstraction has 5880 states and 15681 transitions. [2021-06-05 10:33:00,655 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 15681 transitions. [2021-06-05 10:33:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:00,660 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:00,660 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:00,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-06-05 10:33:00,660 INFO L430 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:00,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1968774226, now seen corresponding path program 133 times [2021-06-05 10:33:00,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:00,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801730048] [2021-06-05 10:33:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:00,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:00,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801730048] [2021-06-05 10:33:00,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801730048] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:00,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:00,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:00,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978191335] [2021-06-05 10:33:00,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:00,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:00,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:00,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:00,941 INFO L87 Difference]: Start difference. First operand 5880 states and 15681 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:01,636 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:01,778 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:01,932 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:02,106 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:02,241 INFO L93 Difference]: Finished difference Result 16508 states and 42855 transitions. [2021-06-05 10:33:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:02,242 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:02,257 INFO L225 Difference]: With dead ends: 16508 [2021-06-05 10:33:02,257 INFO L226 Difference]: Without dead ends: 16508 [2021-06-05 10:33:02,257 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1180.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:02,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16508 states. [2021-06-05 10:33:02,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16508 to 5944. [2021-06-05 10:33:02,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 5942 states have (on average 2.6699764389094582) internal successors, (15865), 5943 states have internal predecessors, (15865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 15865 transitions. [2021-06-05 10:33:02,378 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 15865 transitions. Word has length 114 [2021-06-05 10:33:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:02,378 INFO L482 AbstractCegarLoop]: Abstraction has 5944 states and 15865 transitions. [2021-06-05 10:33:02,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 15865 transitions. [2021-06-05 10:33:02,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:02,384 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:02,384 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:02,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-06-05 10:33:02,384 INFO L430 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:02,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:02,384 INFO L82 PathProgramCache]: Analyzing trace with hash -190718448, now seen corresponding path program 134 times [2021-06-05 10:33:02,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:02,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430352099] [2021-06-05 10:33:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:02,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:02,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430352099] [2021-06-05 10:33:02,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430352099] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:02,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:02,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:02,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159731860] [2021-06-05 10:33:02,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:02,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:02,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:02,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:02,671 INFO L87 Difference]: Start difference. First operand 5944 states and 15865 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:03,407 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:03,549 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:03,720 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:03,894 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:04,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:04,045 INFO L93 Difference]: Finished difference Result 17354 states and 44715 transitions. [2021-06-05 10:33:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:04,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:04,062 INFO L225 Difference]: With dead ends: 17354 [2021-06-05 10:33:04,062 INFO L226 Difference]: Without dead ends: 17354 [2021-06-05 10:33:04,062 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1212.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17354 states. [2021-06-05 10:33:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17354 to 5928. [2021-06-05 10:33:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5928 states, 5926 states have (on average 2.6694228822139725) internal successors, (15819), 5927 states have internal predecessors, (15819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 15819 transitions. [2021-06-05 10:33:04,192 INFO L78 Accepts]: Start accepts. Automaton has 5928 states and 15819 transitions. Word has length 114 [2021-06-05 10:33:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:04,193 INFO L482 AbstractCegarLoop]: Abstraction has 5928 states and 15819 transitions. [2021-06-05 10:33:04,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 5928 states and 15819 transitions. [2021-06-05 10:33:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:04,198 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:04,198 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:04,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-06-05 10:33:04,198 INFO L430 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:04,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:04,199 INFO L82 PathProgramCache]: Analyzing trace with hash 607145012, now seen corresponding path program 135 times [2021-06-05 10:33:04,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:04,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281869851] [2021-06-05 10:33:04,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:04,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:04,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281869851] [2021-06-05 10:33:04,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281869851] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:04,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:04,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:04,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125509220] [2021-06-05 10:33:04,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:04,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:04,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:04,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:04,490 INFO L87 Difference]: Start difference. First operand 5928 states and 15819 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:05,207 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:05,353 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:05,525 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:05,705 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:05,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:05,875 INFO L93 Difference]: Finished difference Result 20560 states and 52829 transitions. [2021-06-05 10:33:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:05,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:05,895 INFO L225 Difference]: With dead ends: 20560 [2021-06-05 10:33:05,895 INFO L226 Difference]: Without dead ends: 20560 [2021-06-05 10:33:05,895 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1204.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:05,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20560 states. [2021-06-05 10:33:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20560 to 5944. [2021-06-05 10:33:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 5942 states have (on average 2.6699764389094582) internal successors, (15865), 5943 states have internal predecessors, (15865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 15865 transitions. [2021-06-05 10:33:06,040 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 15865 transitions. Word has length 114 [2021-06-05 10:33:06,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:06,040 INFO L482 AbstractCegarLoop]: Abstraction has 5944 states and 15865 transitions. [2021-06-05 10:33:06,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 15865 transitions. [2021-06-05 10:33:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:06,046 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:06,046 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:06,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-06-05 10:33:06,046 INFO L430 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:06,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:06,046 INFO L82 PathProgramCache]: Analyzing trace with hash 358598032, now seen corresponding path program 136 times [2021-06-05 10:33:06,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:06,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048596412] [2021-06-05 10:33:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:06,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:06,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048596412] [2021-06-05 10:33:06,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048596412] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:06,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:06,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:06,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661439592] [2021-06-05 10:33:06,329 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:06,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:06,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:06,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:06,329 INFO L87 Difference]: Start difference. First operand 5944 states and 15865 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:07,040 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:07,184 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:07,337 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:07,512 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:07,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:07,639 INFO L93 Difference]: Finished difference Result 17518 states and 45167 transitions. [2021-06-05 10:33:07,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:07,639 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:07,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:07,655 INFO L225 Difference]: With dead ends: 17518 [2021-06-05 10:33:07,656 INFO L226 Difference]: Without dead ends: 17518 [2021-06-05 10:33:07,656 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1182.3ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:07,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17518 states. [2021-06-05 10:33:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17518 to 5912. [2021-06-05 10:33:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5910 states have (on average 2.668866328257191) internal successors, (15773), 5911 states have internal predecessors, (15773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 15773 transitions. [2021-06-05 10:33:07,782 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 15773 transitions. Word has length 114 [2021-06-05 10:33:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:07,782 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 15773 transitions. [2021-06-05 10:33:07,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 15773 transitions. [2021-06-05 10:33:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:07,787 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:07,787 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:07,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-06-05 10:33:07,787 INFO L430 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:07,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:07,787 INFO L82 PathProgramCache]: Analyzing trace with hash -661672274, now seen corresponding path program 137 times [2021-06-05 10:33:07,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:07,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585581074] [2021-06-05 10:33:07,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:08,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:08,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585581074] [2021-06-05 10:33:08,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585581074] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:08,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:08,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:08,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679521975] [2021-06-05 10:33:08,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:08,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:08,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:08,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:08,085 INFO L87 Difference]: Start difference. First operand 5912 states and 15773 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:08,792 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:08,949 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:09,119 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:09,298 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:09,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:09,447 INFO L93 Difference]: Finished difference Result 16638 states and 43040 transitions. [2021-06-05 10:33:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:09,448 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:09,463 INFO L225 Difference]: With dead ends: 16638 [2021-06-05 10:33:09,464 INFO L226 Difference]: Without dead ends: 16638 [2021-06-05 10:33:09,464 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1208.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16638 states. [2021-06-05 10:33:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16638 to 5960. [2021-06-05 10:33:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5960 states, 5958 states have (on average 2.6705270224907687) internal successors, (15911), 5959 states have internal predecessors, (15911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5960 states to 5960 states and 15911 transitions. [2021-06-05 10:33:09,607 INFO L78 Accepts]: Start accepts. Automaton has 5960 states and 15911 transitions. Word has length 114 [2021-06-05 10:33:09,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:09,607 INFO L482 AbstractCegarLoop]: Abstraction has 5960 states and 15911 transitions. [2021-06-05 10:33:09,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5960 states and 15911 transitions. [2021-06-05 10:33:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:09,612 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:09,612 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:09,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-06-05 10:33:09,612 INFO L430 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:09,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:09,613 INFO L82 PathProgramCache]: Analyzing trace with hash -910219254, now seen corresponding path program 138 times [2021-06-05 10:33:09,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:09,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323553566] [2021-06-05 10:33:09,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:09,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:09,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323553566] [2021-06-05 10:33:09,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323553566] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:09,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:09,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:09,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766391833] [2021-06-05 10:33:09,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:09,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:09,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:09,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:09,926 INFO L87 Difference]: Start difference. First operand 5960 states and 15911 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:10,628 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:10,782 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:10,940 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:11,118 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:11,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:11,252 INFO L93 Difference]: Finished difference Result 16474 states and 42638 transitions. [2021-06-05 10:33:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:11,253 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:11,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:11,268 INFO L225 Difference]: With dead ends: 16474 [2021-06-05 10:33:11,268 INFO L226 Difference]: Without dead ends: 16474 [2021-06-05 10:33:11,269 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1194.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:11,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16474 states. [2021-06-05 10:33:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16474 to 5944. [2021-06-05 10:33:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 5942 states have (on average 2.6699764389094582) internal successors, (15865), 5943 states have internal predecessors, (15865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 15865 transitions. [2021-06-05 10:33:11,388 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 15865 transitions. Word has length 114 [2021-06-05 10:33:11,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:11,388 INFO L482 AbstractCegarLoop]: Abstraction has 5944 states and 15865 transitions. [2021-06-05 10:33:11,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 15865 transitions. [2021-06-05 10:33:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:11,393 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:11,393 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:11,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-06-05 10:33:11,394 INFO L430 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:11,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2067036558, now seen corresponding path program 139 times [2021-06-05 10:33:11,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:11,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995620644] [2021-06-05 10:33:11,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:11,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:11,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995620644] [2021-06-05 10:33:11,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995620644] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:11,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:11,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:11,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781081480] [2021-06-05 10:33:11,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:11,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:11,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:11,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:11,693 INFO L87 Difference]: Start difference. First operand 5944 states and 15865 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:12,381 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:12,513 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:12,680 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:12,876 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:12,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:12,991 INFO L93 Difference]: Finished difference Result 13532 states and 35210 transitions. [2021-06-05 10:33:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:12,992 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:12,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:13,005 INFO L225 Difference]: With dead ends: 13532 [2021-06-05 10:33:13,005 INFO L226 Difference]: Without dead ends: 13532 [2021-06-05 10:33:13,005 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1205.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:13,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13532 states. [2021-06-05 10:33:13,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13532 to 5784. [2021-06-05 10:33:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5782 states have (on average 2.6643030093393287) internal successors, (15405), 5783 states have internal predecessors, (15405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 15405 transitions. [2021-06-05 10:33:13,111 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 15405 transitions. Word has length 114 [2021-06-05 10:33:13,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:13,111 INFO L482 AbstractCegarLoop]: Abstraction has 5784 states and 15405 transitions. [2021-06-05 10:33:13,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 15405 transitions. [2021-06-05 10:33:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:13,116 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:13,116 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:13,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-06-05 10:33:13,116 INFO L430 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:13,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1166052334, now seen corresponding path program 140 times [2021-06-05 10:33:13,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:13,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056206505] [2021-06-05 10:33:13,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:13,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:13,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056206505] [2021-06-05 10:33:13,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056206505] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:13,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:13,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:13,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144723033] [2021-06-05 10:33:13,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:13,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:13,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:13,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:13,433 INFO L87 Difference]: Start difference. First operand 5784 states and 15405 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:14,141 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:14,276 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:14,443 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:14,622 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:14,758 INFO L93 Difference]: Finished difference Result 11386 states and 29736 transitions. [2021-06-05 10:33:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:14,758 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:14,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:14,770 INFO L225 Difference]: With dead ends: 11386 [2021-06-05 10:33:14,770 INFO L226 Difference]: Without dead ends: 11386 [2021-06-05 10:33:14,770 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1193.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:14,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11386 states. [2021-06-05 10:33:14,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11386 to 5940. [2021-06-05 10:33:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5938 states have (on average 2.6700909397103403) internal successors, (15855), 5939 states have internal predecessors, (15855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 15855 transitions. [2021-06-05 10:33:14,869 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 15855 transitions. Word has length 114 [2021-06-05 10:33:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:14,869 INFO L482 AbstractCegarLoop]: Abstraction has 5940 states and 15855 transitions. [2021-06-05 10:33:14,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 15855 transitions. [2021-06-05 10:33:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:14,874 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:14,874 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:14,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-06-05 10:33:14,875 INFO L430 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:14,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:14,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1215678226, now seen corresponding path program 141 times [2021-06-05 10:33:14,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:14,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052548180] [2021-06-05 10:33:14,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:15,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:15,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052548180] [2021-06-05 10:33:15,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052548180] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:15,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:15,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:15,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413713692] [2021-06-05 10:33:15,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:15,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:15,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:15,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:15,177 INFO L87 Difference]: Start difference. First operand 5940 states and 15855 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:15,871 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:16,042 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:16,195 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:16,373 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:16,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:16,503 INFO L93 Difference]: Finished difference Result 14010 states and 36459 transitions. [2021-06-05 10:33:16,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:16,504 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:16,518 INFO L225 Difference]: With dead ends: 14010 [2021-06-05 10:33:16,518 INFO L226 Difference]: Without dead ends: 14010 [2021-06-05 10:33:16,518 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1207.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14010 states. [2021-06-05 10:33:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14010 to 5956. [2021-06-05 10:33:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5956 states, 5954 states have (on average 2.670641585488747) internal successors, (15901), 5955 states have internal predecessors, (15901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5956 states to 5956 states and 15901 transitions. [2021-06-05 10:33:16,630 INFO L78 Accepts]: Start accepts. Automaton has 5956 states and 15901 transitions. Word has length 114 [2021-06-05 10:33:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:16,630 INFO L482 AbstractCegarLoop]: Abstraction has 5956 states and 15901 transitions. [2021-06-05 10:33:16,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 5956 states and 15901 transitions. [2021-06-05 10:33:16,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:16,635 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:16,635 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:16,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-06-05 10:33:16,635 INFO L430 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:16,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:16,635 INFO L82 PathProgramCache]: Analyzing trace with hash 919796396, now seen corresponding path program 142 times [2021-06-05 10:33:16,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:16,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785706995] [2021-06-05 10:33:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:16,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:16,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785706995] [2021-06-05 10:33:16,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785706995] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:16,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:16,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:16,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449743093] [2021-06-05 10:33:16,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:16,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:16,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:16,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:16,936 INFO L87 Difference]: Start difference. First operand 5956 states and 15901 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:17,641 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:17,796 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:17,965 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:18,143 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:18,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:18,280 INFO L93 Difference]: Finished difference Result 12290 states and 31747 transitions. [2021-06-05 10:33:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:18,281 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:18,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:18,292 INFO L225 Difference]: With dead ends: 12290 [2021-06-05 10:33:18,292 INFO L226 Difference]: Without dead ends: 12290 [2021-06-05 10:33:18,293 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1206.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12290 states. [2021-06-05 10:33:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12290 to 5908. [2021-06-05 10:33:18,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5908 states, 5906 states have (on average 2.6689806975956656) internal successors, (15763), 5907 states have internal predecessors, (15763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5908 states to 5908 states and 15763 transitions. [2021-06-05 10:33:18,394 INFO L78 Accepts]: Start accepts. Automaton has 5908 states and 15763 transitions. Word has length 114 [2021-06-05 10:33:18,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:18,394 INFO L482 AbstractCegarLoop]: Abstraction has 5908 states and 15763 transitions. [2021-06-05 10:33:18,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5908 states and 15763 transitions. [2021-06-05 10:33:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:18,399 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:18,400 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:18,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-06-05 10:33:18,400 INFO L430 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:18,400 INFO L82 PathProgramCache]: Analyzing trace with hash -893931602, now seen corresponding path program 143 times [2021-06-05 10:33:18,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:18,400 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659783963] [2021-06-05 10:33:18,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:18,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:18,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659783963] [2021-06-05 10:33:18,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659783963] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:18,690 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:18,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:18,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895022620] [2021-06-05 10:33:18,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:18,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:18,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:18,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:18,691 INFO L87 Difference]: Start difference. First operand 5908 states and 15763 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:19,423 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:19,565 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:19,723 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:19,900 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:20,045 INFO L93 Difference]: Finished difference Result 15366 states and 39676 transitions. [2021-06-05 10:33:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:20,045 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:20,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:20,059 INFO L225 Difference]: With dead ends: 15366 [2021-06-05 10:33:20,059 INFO L226 Difference]: Without dead ends: 15366 [2021-06-05 10:33:20,059 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1206.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15366 states. [2021-06-05 10:33:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15366 to 5940. [2021-06-05 10:33:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5938 states have (on average 2.6700909397103403) internal successors, (15855), 5939 states have internal predecessors, (15855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 15855 transitions. [2021-06-05 10:33:20,174 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 15855 transitions. Word has length 114 [2021-06-05 10:33:20,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:20,174 INFO L482 AbstractCegarLoop]: Abstraction has 5940 states and 15855 transitions. [2021-06-05 10:33:20,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 15855 transitions. [2021-06-05 10:33:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:20,179 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:20,179 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:20,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-06-05 10:33:20,179 INFO L430 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:20,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1241543020, now seen corresponding path program 144 times [2021-06-05 10:33:20,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:20,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874054936] [2021-06-05 10:33:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:20,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:20,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874054936] [2021-06-05 10:33:20,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874054936] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:20,467 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:20,467 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:20,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258913138] [2021-06-05 10:33:20,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:20,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:20,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:20,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:20,468 INFO L87 Difference]: Start difference. First operand 5940 states and 15855 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:21,182 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:21,323 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:21,493 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:21,666 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:21,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:21,819 INFO L93 Difference]: Finished difference Result 16212 states and 41536 transitions. [2021-06-05 10:33:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:21,819 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:21,834 INFO L225 Difference]: With dead ends: 16212 [2021-06-05 10:33:21,834 INFO L226 Difference]: Without dead ends: 16212 [2021-06-05 10:33:21,834 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1192.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:21,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16212 states. [2021-06-05 10:33:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16212 to 5924. [2021-06-05 10:33:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5924 states, 5922 states have (on average 2.6695373184734885) internal successors, (15809), 5923 states have internal predecessors, (15809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 5924 states and 15809 transitions. [2021-06-05 10:33:21,957 INFO L78 Accepts]: Start accepts. Automaton has 5924 states and 15809 transitions. Word has length 114 [2021-06-05 10:33:21,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:21,957 INFO L482 AbstractCegarLoop]: Abstraction has 5924 states and 15809 transitions. [2021-06-05 10:33:21,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5924 states and 15809 transitions. [2021-06-05 10:33:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:21,963 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:21,963 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:21,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-06-05 10:33:21,963 INFO L430 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:21,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2039406480, now seen corresponding path program 145 times [2021-06-05 10:33:21,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:21,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502636286] [2021-06-05 10:33:21,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:22,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:22,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502636286] [2021-06-05 10:33:22,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502636286] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:22,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:22,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:22,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549485555] [2021-06-05 10:33:22,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:22,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:22,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:22,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:22,285 INFO L87 Difference]: Start difference. First operand 5924 states and 15809 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:22,974 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:23,113 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:23,276 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:23,451 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:23,582 INFO L93 Difference]: Finished difference Result 15512 states and 39907 transitions. [2021-06-05 10:33:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:23,582 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:23,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:23,597 INFO L225 Difference]: With dead ends: 15512 [2021-06-05 10:33:23,597 INFO L226 Difference]: Without dead ends: 15512 [2021-06-05 10:33:23,597 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1190.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15512 states. [2021-06-05 10:33:23,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15512 to 5940. [2021-06-05 10:33:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5938 states have (on average 2.6700909397103403) internal successors, (15855), 5939 states have internal predecessors, (15855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 15855 transitions. [2021-06-05 10:33:23,711 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 15855 transitions. Word has length 114 [2021-06-05 10:33:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:23,712 INFO L482 AbstractCegarLoop]: Abstraction has 5940 states and 15855 transitions. [2021-06-05 10:33:23,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 15855 transitions. [2021-06-05 10:33:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:23,717 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:23,717 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:23,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-06-05 10:33:23,717 INFO L430 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:23,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1790859500, now seen corresponding path program 146 times [2021-06-05 10:33:23,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:23,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644504732] [2021-06-05 10:33:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:23,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:23,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644504732] [2021-06-05 10:33:23,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644504732] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:23,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:23,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:23,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763194291] [2021-06-05 10:33:23,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:23,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:23,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:23,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:23,999 INFO L87 Difference]: Start difference. First operand 5940 states and 15855 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:24,693 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:24,834 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:24,988 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:25,164 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:25,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:25,277 INFO L93 Difference]: Finished difference Result 12470 states and 32245 transitions. [2021-06-05 10:33:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:25,277 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:25,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:25,290 INFO L225 Difference]: With dead ends: 12470 [2021-06-05 10:33:25,290 INFO L226 Difference]: Without dead ends: 12470 [2021-06-05 10:33:25,290 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1181.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12470 states. [2021-06-05 10:33:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12470 to 5876. [2021-06-05 10:33:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5876 states, 5874 states have (on average 2.6678583588695948) internal successors, (15671), 5875 states have internal predecessors, (15671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5876 states to 5876 states and 15671 transitions. [2021-06-05 10:33:25,406 INFO L78 Accepts]: Start accepts. Automaton has 5876 states and 15671 transitions. Word has length 114 [2021-06-05 10:33:25,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:25,406 INFO L482 AbstractCegarLoop]: Abstraction has 5876 states and 15671 transitions. [2021-06-05 10:33:25,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5876 states and 15671 transitions. [2021-06-05 10:33:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:25,411 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:25,412 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:25,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-06-05 10:33:25,412 INFO L430 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1029133776, now seen corresponding path program 147 times [2021-06-05 10:33:25,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:25,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59579069] [2021-06-05 10:33:25,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:25,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:25,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59579069] [2021-06-05 10:33:25,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59579069] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:25,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:25,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:25,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420826847] [2021-06-05 10:33:25,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:25,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:25,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:25,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:25,695 INFO L87 Difference]: Start difference. First operand 5876 states and 15671 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:26,391 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:26,531 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:26,688 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:26,863 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:27,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:27,001 INFO L93 Difference]: Finished difference Result 15894 states and 41146 transitions. [2021-06-05 10:33:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:27,001 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:27,016 INFO L225 Difference]: With dead ends: 15894 [2021-06-05 10:33:27,016 INFO L226 Difference]: Without dead ends: 15894 [2021-06-05 10:33:27,017 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1183.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:27,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15894 states. [2021-06-05 10:33:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15894 to 5940. [2021-06-05 10:33:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5938 states have (on average 2.6700909397103403) internal successors, (15855), 5939 states have internal predecessors, (15855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 15855 transitions. [2021-06-05 10:33:27,134 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 15855 transitions. Word has length 114 [2021-06-05 10:33:27,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:27,134 INFO L482 AbstractCegarLoop]: Abstraction has 5940 states and 15855 transitions. [2021-06-05 10:33:27,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 15855 transitions. [2021-06-05 10:33:27,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:27,139 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:27,139 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:27,139 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-06-05 10:33:27,139 INFO L430 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:27,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:27,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1106340846, now seen corresponding path program 148 times [2021-06-05 10:33:27,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:27,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803340140] [2021-06-05 10:33:27,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:27,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:27,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803340140] [2021-06-05 10:33:27,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803340140] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:27,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:27,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:27,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107840158] [2021-06-05 10:33:27,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:27,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:27,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:27,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:27,428 INFO L87 Difference]: Start difference. First operand 5940 states and 15855 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:28,147 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:28,288 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:28,480 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:28,653 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:28,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:28,806 INFO L93 Difference]: Finished difference Result 16740 states and 43006 transitions. [2021-06-05 10:33:28,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:28,806 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:28,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:28,821 INFO L225 Difference]: With dead ends: 16740 [2021-06-05 10:33:28,822 INFO L226 Difference]: Without dead ends: 16740 [2021-06-05 10:33:28,822 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1215.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16740 states. [2021-06-05 10:33:28,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16740 to 5924. [2021-06-05 10:33:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5924 states, 5922 states have (on average 2.6695373184734885) internal successors, (15809), 5923 states have internal predecessors, (15809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 5924 states and 15809 transitions. [2021-06-05 10:33:28,945 INFO L78 Accepts]: Start accepts. Automaton has 5924 states and 15809 transitions. Word has length 114 [2021-06-05 10:33:28,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:28,945 INFO L482 AbstractCegarLoop]: Abstraction has 5924 states and 15809 transitions. [2021-06-05 10:33:28,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5924 states and 15809 transitions. [2021-06-05 10:33:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:28,950 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:28,950 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:28,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-06-05 10:33:28,950 INFO L430 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:28,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:28,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1904204306, now seen corresponding path program 149 times [2021-06-05 10:33:28,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:28,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140752663] [2021-06-05 10:33:28,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:29,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:29,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140752663] [2021-06-05 10:33:29,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140752663] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:29,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:29,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:29,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292610405] [2021-06-05 10:33:29,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:29,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:29,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:29,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:29,265 INFO L87 Difference]: Start difference. First operand 5924 states and 15809 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:29,976 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:30,118 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:30,286 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:30,462 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:30,630 INFO L93 Difference]: Finished difference Result 19946 states and 51120 transitions. [2021-06-05 10:33:30,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:30,630 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:30,649 INFO L225 Difference]: With dead ends: 19946 [2021-06-05 10:33:30,649 INFO L226 Difference]: Without dead ends: 19946 [2021-06-05 10:33:30,650 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1201.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:30,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19946 states. [2021-06-05 10:33:30,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19946 to 5940. [2021-06-05 10:33:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5938 states have (on average 2.6700909397103403) internal successors, (15855), 5939 states have internal predecessors, (15855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 15855 transitions. [2021-06-05 10:33:30,791 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 15855 transitions. Word has length 114 [2021-06-05 10:33:30,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:30,792 INFO L482 AbstractCegarLoop]: Abstraction has 5940 states and 15855 transitions. [2021-06-05 10:33:30,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 15855 transitions. [2021-06-05 10:33:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:30,797 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:30,797 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:30,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-06-05 10:33:30,797 INFO L430 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:30,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:30,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1655657326, now seen corresponding path program 150 times [2021-06-05 10:33:30,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:30,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853636587] [2021-06-05 10:33:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:31,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:31,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853636587] [2021-06-05 10:33:31,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853636587] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:31,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:31,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:31,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721092585] [2021-06-05 10:33:31,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:31,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:31,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:31,092 INFO L87 Difference]: Start difference. First operand 5940 states and 15855 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:31,822 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:31,965 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:32,122 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:32,299 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:32,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:32,434 INFO L93 Difference]: Finished difference Result 16904 states and 43458 transitions. [2021-06-05 10:33:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:32,435 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:32,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:32,450 INFO L225 Difference]: With dead ends: 16904 [2021-06-05 10:33:32,450 INFO L226 Difference]: Without dead ends: 16904 [2021-06-05 10:33:32,450 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1198.9ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16904 states. [2021-06-05 10:33:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16904 to 5908. [2021-06-05 10:33:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5908 states, 5906 states have (on average 2.6689806975956656) internal successors, (15763), 5907 states have internal predecessors, (15763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5908 states to 5908 states and 15763 transitions. [2021-06-05 10:33:32,574 INFO L78 Accepts]: Start accepts. Automaton has 5908 states and 15763 transitions. Word has length 114 [2021-06-05 10:33:32,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:32,574 INFO L482 AbstractCegarLoop]: Abstraction has 5908 states and 15763 transitions. [2021-06-05 10:33:32,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5908 states and 15763 transitions. [2021-06-05 10:33:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:32,579 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:32,579 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:32,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-06-05 10:33:32,579 INFO L430 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:32,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:32,580 INFO L82 PathProgramCache]: Analyzing trace with hash 635387020, now seen corresponding path program 151 times [2021-06-05 10:33:32,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:32,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665288621] [2021-06-05 10:33:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:32,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:32,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665288621] [2021-06-05 10:33:32,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665288621] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:32,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:32,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:32,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154344581] [2021-06-05 10:33:32,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:32,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:32,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:32,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:32,877 INFO L87 Difference]: Start difference. First operand 5908 states and 15763 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:33,582 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:33,733 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:33,899 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:34,075 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:34,207 INFO L93 Difference]: Finished difference Result 16024 states and 41331 transitions. [2021-06-05 10:33:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:34,208 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:34,223 INFO L225 Difference]: With dead ends: 16024 [2021-06-05 10:33:34,223 INFO L226 Difference]: Without dead ends: 16024 [2021-06-05 10:33:34,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1230.8ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:34,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16024 states. [2021-06-05 10:33:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16024 to 5956. [2021-06-05 10:33:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5956 states, 5954 states have (on average 2.670641585488747) internal successors, (15901), 5955 states have internal predecessors, (15901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5956 states to 5956 states and 15901 transitions. [2021-06-05 10:33:34,345 INFO L78 Accepts]: Start accepts. Automaton has 5956 states and 15901 transitions. Word has length 114 [2021-06-05 10:33:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:34,345 INFO L482 AbstractCegarLoop]: Abstraction has 5956 states and 15901 transitions. [2021-06-05 10:33:34,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 5956 states and 15901 transitions. [2021-06-05 10:33:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:34,352 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:34,352 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:34,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-06-05 10:33:34,352 INFO L430 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:34,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:34,353 INFO L82 PathProgramCache]: Analyzing trace with hash 386840040, now seen corresponding path program 152 times [2021-06-05 10:33:34,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:34,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13089198] [2021-06-05 10:33:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:34,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:34,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13089198] [2021-06-05 10:33:34,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13089198] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:34,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:34,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:34,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712906350] [2021-06-05 10:33:34,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:34,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:34,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:34,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:34,695 INFO L87 Difference]: Start difference. First operand 5956 states and 15901 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:35,377 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:35,532 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:35,689 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:35,868 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:35,997 INFO L93 Difference]: Finished difference Result 15860 states and 40929 transitions. [2021-06-05 10:33:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:35,997 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:36,012 INFO L225 Difference]: With dead ends: 15860 [2021-06-05 10:33:36,013 INFO L226 Difference]: Without dead ends: 15860 [2021-06-05 10:33:36,013 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1236.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:36,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15860 states. [2021-06-05 10:33:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15860 to 5940. [2021-06-05 10:33:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5938 states have (on average 2.6700909397103403) internal successors, (15855), 5939 states have internal predecessors, (15855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 15855 transitions. [2021-06-05 10:33:36,133 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 15855 transitions. Word has length 114 [2021-06-05 10:33:36,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:36,133 INFO L482 AbstractCegarLoop]: Abstraction has 5940 states and 15855 transitions. [2021-06-05 10:33:36,133 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 15855 transitions. [2021-06-05 10:33:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:36,138 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:36,138 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:36,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-06-05 10:33:36,138 INFO L430 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:36,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:36,139 INFO L82 PathProgramCache]: Analyzing trace with hash -769977264, now seen corresponding path program 153 times [2021-06-05 10:33:36,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:36,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656038439] [2021-06-05 10:33:36,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:36,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:36,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656038439] [2021-06-05 10:33:36,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656038439] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:36,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:36,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:36,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255422873] [2021-06-05 10:33:36,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:36,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:36,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:36,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:36,437 INFO L87 Difference]: Start difference. First operand 5940 states and 15855 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:37,126 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:37,261 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:37,431 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:37,611 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:37,729 INFO L93 Difference]: Finished difference Result 12918 states and 33501 transitions. [2021-06-05 10:33:37,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:37,729 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:37,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:37,741 INFO L225 Difference]: With dead ends: 12918 [2021-06-05 10:33:37,741 INFO L226 Difference]: Without dead ends: 12918 [2021-06-05 10:33:37,741 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1197.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:37,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12918 states. [2021-06-05 10:33:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12918 to 5812. [2021-06-05 10:33:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5810 states have (on average 2.665576592082616) internal successors, (15487), 5811 states have internal predecessors, (15487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 15487 transitions. [2021-06-05 10:33:37,863 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 15487 transitions. Word has length 114 [2021-06-05 10:33:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:37,863 INFO L482 AbstractCegarLoop]: Abstraction has 5812 states and 15487 transitions. [2021-06-05 10:33:37,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 15487 transitions. [2021-06-05 10:33:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:37,868 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:37,868 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:37,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-06-05 10:33:37,869 INFO L430 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:37,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:37,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1442527378, now seen corresponding path program 154 times [2021-06-05 10:33:37,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:37,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034753022] [2021-06-05 10:33:37,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:38,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:38,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034753022] [2021-06-05 10:33:38,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034753022] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:38,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:38,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:38,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768500617] [2021-06-05 10:33:38,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:38,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:38,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:38,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:38,153 INFO L87 Difference]: Start difference. First operand 5812 states and 15487 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:38,858 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:39,000 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:39,157 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:39,332 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:39,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:39,458 INFO L93 Difference]: Finished difference Result 10882 states and 28326 transitions. [2021-06-05 10:33:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:39,458 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:39,468 INFO L225 Difference]: With dead ends: 10882 [2021-06-05 10:33:39,468 INFO L226 Difference]: Without dead ends: 10882 [2021-06-05 10:33:39,468 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1181.7ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:39,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10882 states. [2021-06-05 10:33:39,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10882 to 5890. [2021-06-05 10:33:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:33:39,560 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:33:39,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:39,560 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:33:39,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:33:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:39,565 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:39,565 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:39,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-06-05 10:33:39,565 INFO L430 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:39,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:39,565 INFO L82 PathProgramCache]: Analyzing trace with hash -716965296, now seen corresponding path program 155 times [2021-06-05 10:33:39,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:39,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939192331] [2021-06-05 10:33:39,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:39,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:39,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939192331] [2021-06-05 10:33:39,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939192331] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:39,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:39,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:39,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759993395] [2021-06-05 10:33:39,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:39,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:39,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:39,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:39,852 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:40,544 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:40,685 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:40,853 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:41,041 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:41,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:41,155 INFO L93 Difference]: Finished difference Result 11728 states and 30186 transitions. [2021-06-05 10:33:41,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:41,155 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:41,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:41,165 INFO L225 Difference]: With dead ends: 11728 [2021-06-05 10:33:41,166 INFO L226 Difference]: Without dead ends: 11728 [2021-06-05 10:33:41,166 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1224.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:41,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11728 states. [2021-06-05 10:33:41,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11728 to 5874. [2021-06-05 10:33:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5874 states, 5872 states have (on average 2.66791553133515) internal successors, (15666), 5873 states have internal predecessors, (15666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5874 states to 5874 states and 15666 transitions. [2021-06-05 10:33:41,262 INFO L78 Accepts]: Start accepts. Automaton has 5874 states and 15666 transitions. Word has length 114 [2021-06-05 10:33:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:41,262 INFO L482 AbstractCegarLoop]: Abstraction has 5874 states and 15666 transitions. [2021-06-05 10:33:41,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5874 states and 15666 transitions. [2021-06-05 10:33:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:41,267 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:41,267 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:41,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-06-05 10:33:41,267 INFO L430 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:41,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:41,267 INFO L82 PathProgramCache]: Analyzing trace with hash 80898164, now seen corresponding path program 156 times [2021-06-05 10:33:41,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:41,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005879262] [2021-06-05 10:33:41,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:41,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:41,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005879262] [2021-06-05 10:33:41,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005879262] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:41,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:41,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:41,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674234891] [2021-06-05 10:33:41,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:41,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:41,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:41,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:41,572 INFO L87 Difference]: Start difference. First operand 5874 states and 15666 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:42,276 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:42,421 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:42,588 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:42,764 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:42,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:42,913 INFO L93 Difference]: Finished difference Result 14934 states and 38300 transitions. [2021-06-05 10:33:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:42,913 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:42,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:42,928 INFO L225 Difference]: With dead ends: 14934 [2021-06-05 10:33:42,928 INFO L226 Difference]: Without dead ends: 14934 [2021-06-05 10:33:42,929 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1197.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14934 states. [2021-06-05 10:33:43,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14934 to 5890. [2021-06-05 10:33:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:33:43,044 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:33:43,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:43,044 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:33:43,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:33:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:43,049 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:43,049 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:43,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-06-05 10:33:43,049 INFO L430 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:43,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:43,050 INFO L82 PathProgramCache]: Analyzing trace with hash -167648816, now seen corresponding path program 157 times [2021-06-05 10:33:43,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:43,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130133716] [2021-06-05 10:33:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:43,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:43,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130133716] [2021-06-05 10:33:43,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130133716] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:43,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:43,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:43,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678448818] [2021-06-05 10:33:43,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:43,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:43,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:43,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:43,367 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:44,061 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:33:44,221 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:44,375 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:44,549 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:44,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:44,655 INFO L93 Difference]: Finished difference Result 11892 states and 30638 transitions. [2021-06-05 10:33:44,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:44,655 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:44,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:44,666 INFO L225 Difference]: With dead ends: 11892 [2021-06-05 10:33:44,666 INFO L226 Difference]: Without dead ends: 11892 [2021-06-05 10:33:44,666 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1225.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11892 states. [2021-06-05 10:33:44,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11892 to 5858. [2021-06-05 10:33:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 5856 states have (on average 2.6673497267759565) internal successors, (15620), 5857 states have internal predecessors, (15620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 15620 transitions. [2021-06-05 10:33:44,763 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 15620 transitions. Word has length 114 [2021-06-05 10:33:44,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:44,763 INFO L482 AbstractCegarLoop]: Abstraction has 5858 states and 15620 transitions. [2021-06-05 10:33:44,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 15620 transitions. [2021-06-05 10:33:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:44,768 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:44,768 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:44,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-06-05 10:33:44,768 INFO L430 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:44,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1187919122, now seen corresponding path program 158 times [2021-06-05 10:33:44,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:44,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047419741] [2021-06-05 10:33:44,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:45,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:45,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047419741] [2021-06-05 10:33:45,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047419741] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:45,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:45,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:45,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968372523] [2021-06-05 10:33:45,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:45,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:45,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:45,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:45,073 INFO L87 Difference]: Start difference. First operand 5858 states and 15620 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:45,751 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:45,902 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:46,068 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:46,242 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:46,375 INFO L93 Difference]: Finished difference Result 15414 states and 39632 transitions. [2021-06-05 10:33:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:46,375 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:46,390 INFO L225 Difference]: With dead ends: 15414 [2021-06-05 10:33:46,390 INFO L226 Difference]: Without dead ends: 15414 [2021-06-05 10:33:46,390 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1208.9ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15414 states. [2021-06-05 10:33:46,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15414 to 5906. [2021-06-05 10:33:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5906 states, 5904 states have (on average 2.669037940379404) internal successors, (15758), 5905 states have internal predecessors, (15758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5906 states to 5906 states and 15758 transitions. [2021-06-05 10:33:46,505 INFO L78 Accepts]: Start accepts. Automaton has 5906 states and 15758 transitions. Word has length 114 [2021-06-05 10:33:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:46,505 INFO L482 AbstractCegarLoop]: Abstraction has 5906 states and 15758 transitions. [2021-06-05 10:33:46,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5906 states and 15758 transitions. [2021-06-05 10:33:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:46,510 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:46,510 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:46,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-06-05 10:33:46,511 INFO L430 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:46,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1436466102, now seen corresponding path program 159 times [2021-06-05 10:33:46,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:46,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375935425] [2021-06-05 10:33:46,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:46,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:46,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375935425] [2021-06-05 10:33:46,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375935425] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:46,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:46,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:46,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342887467] [2021-06-05 10:33:46,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:46,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:46,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:46,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:46,809 INFO L87 Difference]: Start difference. First operand 5906 states and 15758 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:47,527 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:47,702 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:47,862 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:48,045 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:48,184 INFO L93 Difference]: Finished difference Result 15250 states and 39230 transitions. [2021-06-05 10:33:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:48,184 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:48,199 INFO L225 Difference]: With dead ends: 15250 [2021-06-05 10:33:48,199 INFO L226 Difference]: Without dead ends: 15250 [2021-06-05 10:33:48,200 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1241.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15250 states. [2021-06-05 10:33:48,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15250 to 5890. [2021-06-05 10:33:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5890 states, 5888 states have (on average 2.6684782608695654) internal successors, (15712), 5889 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 15712 transitions. [2021-06-05 10:33:48,318 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 15712 transitions. Word has length 114 [2021-06-05 10:33:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:48,318 INFO L482 AbstractCegarLoop]: Abstraction has 5890 states and 15712 transitions. [2021-06-05 10:33:48,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 15712 transitions. [2021-06-05 10:33:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:48,323 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:48,323 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:48,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-06-05 10:33:48,323 INFO L430 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:48,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:48,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1701683890, now seen corresponding path program 160 times [2021-06-05 10:33:48,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:48,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260488717] [2021-06-05 10:33:48,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:48,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:48,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260488717] [2021-06-05 10:33:48,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260488717] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:48,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:48,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:48,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660858743] [2021-06-05 10:33:48,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:48,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:48,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:48,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:48,651 INFO L87 Difference]: Start difference. First operand 5890 states and 15712 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:49,349 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:49,484 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:49,657 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:49,835 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:49,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:49,961 INFO L93 Difference]: Finished difference Result 12308 states and 31802 transitions. [2021-06-05 10:33:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:49,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:49,973 INFO L225 Difference]: With dead ends: 12308 [2021-06-05 10:33:49,973 INFO L226 Difference]: Without dead ends: 12308 [2021-06-05 10:33:49,974 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1207.1ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:49,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12308 states. [2021-06-05 10:33:50,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12308 to 5826. [2021-06-05 10:33:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.666208791208791) internal successors, (15528), 5825 states have internal predecessors, (15528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15528 transitions. [2021-06-05 10:33:50,076 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15528 transitions. Word has length 114 [2021-06-05 10:33:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:50,076 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15528 transitions. [2021-06-05 10:33:50,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15528 transitions. [2021-06-05 10:33:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:50,082 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:50,082 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:50,082 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-06-05 10:33:50,082 INFO L430 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:50,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash -783559540, now seen corresponding path program 161 times [2021-06-05 10:33:50,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:50,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011422721] [2021-06-05 10:33:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:50,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:50,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011422721] [2021-06-05 10:33:50,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011422721] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:50,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:50,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:50,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340738909] [2021-06-05 10:33:50,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:50,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:50,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:50,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:50,433 INFO L87 Difference]: Start difference. First operand 5826 states and 15528 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:51,111 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:51,262 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:51,427 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:33:51,600 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:33:51,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:51,714 INFO L93 Difference]: Finished difference Result 10980 states and 28419 transitions. [2021-06-05 10:33:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:51,714 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:51,724 INFO L225 Difference]: With dead ends: 10980 [2021-06-05 10:33:51,725 INFO L226 Difference]: Without dead ends: 10980 [2021-06-05 10:33:51,725 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1249.0ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:51,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10980 states. [2021-06-05 10:33:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10980 to 5888. [2021-06-05 10:33:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5888 states, 5886 states have (on average 2.6685355079850495) internal successors, (15707), 5887 states have internal predecessors, (15707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5888 states and 15707 transitions. [2021-06-05 10:33:51,818 INFO L78 Accepts]: Start accepts. Automaton has 5888 states and 15707 transitions. Word has length 114 [2021-06-05 10:33:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:51,818 INFO L482 AbstractCegarLoop]: Abstraction has 5888 states and 15707 transitions. [2021-06-05 10:33:51,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 5888 states and 15707 transitions. [2021-06-05 10:33:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:51,824 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:51,824 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:51,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-06-05 10:33:51,824 INFO L430 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:51,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:51,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1032106520, now seen corresponding path program 162 times [2021-06-05 10:33:51,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:51,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374078728] [2021-06-05 10:33:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:52,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:52,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374078728] [2021-06-05 10:33:52,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374078728] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:52,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:52,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:52,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456295936] [2021-06-05 10:33:52,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:52,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:52,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:52,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:52,129 INFO L87 Difference]: Start difference. First operand 5888 states and 15707 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:52,808 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:52,961 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:33:53,118 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:53,344 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:53,455 INFO L93 Difference]: Finished difference Result 10816 states and 28017 transitions. [2021-06-05 10:33:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:53,456 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:53,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:53,466 INFO L225 Difference]: With dead ends: 10816 [2021-06-05 10:33:53,466 INFO L226 Difference]: Without dead ends: 10816 [2021-06-05 10:33:53,466 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1255.4ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:53,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10816 states. [2021-06-05 10:33:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10816 to 5872. [2021-06-05 10:33:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5872 states, 5870 states have (on average 2.6679727427597957) internal successors, (15661), 5871 states have internal predecessors, (15661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5872 states to 5872 states and 15661 transitions. [2021-06-05 10:33:53,595 INFO L78 Accepts]: Start accepts. Automaton has 5872 states and 15661 transitions. Word has length 114 [2021-06-05 10:33:53,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:53,595 INFO L482 AbstractCegarLoop]: Abstraction has 5872 states and 15661 transitions. [2021-06-05 10:33:53,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 5872 states and 15661 transitions. [2021-06-05 10:33:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:53,600 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:53,601 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:53,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-06-05 10:33:53,601 INFO L430 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:53,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:53,601 INFO L82 PathProgramCache]: Analyzing trace with hash 2106043472, now seen corresponding path program 163 times [2021-06-05 10:33:53,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:53,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789588099] [2021-06-05 10:33:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:53,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:53,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789588099] [2021-06-05 10:33:53,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789588099] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:53,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:53,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:53,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653821748] [2021-06-05 10:33:53,907 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:53,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:53,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:53,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:53,907 INFO L87 Difference]: Start difference. First operand 5872 states and 15661 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:54,603 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:54,737 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:54,910 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:55,092 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:55,213 INFO L93 Difference]: Finished difference Result 11104 states and 28845 transitions. [2021-06-05 10:33:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:55,213 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:55,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:55,223 INFO L225 Difference]: With dead ends: 11104 [2021-06-05 10:33:55,224 INFO L226 Difference]: Without dead ends: 11104 [2021-06-05 10:33:55,224 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1199.5ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:55,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11104 states. [2021-06-05 10:33:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11104 to 5840. [2021-06-05 10:33:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5840 states, 5838 states have (on average 2.6668379582048645) internal successors, (15569), 5839 states have internal predecessors, (15569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 15569 transitions. [2021-06-05 10:33:55,319 INFO L78 Accepts]: Start accepts. Automaton has 5840 states and 15569 transitions. Word has length 114 [2021-06-05 10:33:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:55,319 INFO L482 AbstractCegarLoop]: Abstraction has 5840 states and 15569 transitions. [2021-06-05 10:33:55,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 5840 states and 15569 transitions. [2021-06-05 10:33:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:55,324 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:55,324 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:55,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-06-05 10:33:55,324 INFO L430 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:55,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:55,324 INFO L82 PathProgramCache]: Analyzing trace with hash -480740686, now seen corresponding path program 164 times [2021-06-05 10:33:55,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:55,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799306208] [2021-06-05 10:33:55,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:55,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:55,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799306208] [2021-06-05 10:33:55,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799306208] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:55,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:55,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:55,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156933948] [2021-06-05 10:33:55,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:55,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:55,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:55,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:55,640 INFO L87 Difference]: Start difference. First operand 5840 states and 15569 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:56,466 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:56,637 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:56,838 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:33:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:56,944 INFO L93 Difference]: Finished difference Result 7746 states and 20253 transitions. [2021-06-05 10:33:56,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:33:56,945 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:56,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:56,952 INFO L225 Difference]: With dead ends: 7746 [2021-06-05 10:33:56,952 INFO L226 Difference]: Without dead ends: 7746 [2021-06-05 10:33:56,953 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1222.6ms TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:33:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7746 states. [2021-06-05 10:33:57,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7746 to 5924. [2021-06-05 10:33:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5924 states, 5922 states have (on average 2.670550489699426) internal successors, (15815), 5923 states have internal predecessors, (15815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 5924 states and 15815 transitions. [2021-06-05 10:33:57,039 INFO L78 Accepts]: Start accepts. Automaton has 5924 states and 15815 transitions. Word has length 114 [2021-06-05 10:33:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:57,039 INFO L482 AbstractCegarLoop]: Abstraction has 5924 states and 15815 transitions. [2021-06-05 10:33:57,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 5924 states and 15815 transitions. [2021-06-05 10:33:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:57,045 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:57,045 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:57,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-06-05 10:33:57,045 INFO L430 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:57,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:57,045 INFO L82 PathProgramCache]: Analyzing trace with hash -353757640, now seen corresponding path program 165 times [2021-06-05 10:33:57,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:57,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151911457] [2021-06-05 10:33:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:57,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:57,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151911457] [2021-06-05 10:33:57,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151911457] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:57,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:57,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:33:57,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650428382] [2021-06-05 10:33:57,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:33:57,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:57,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:33:57,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:33:57,354 INFO L87 Difference]: Start difference. First operand 5924 states and 15815 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:58,306 INFO L93 Difference]: Finished difference Result 7633 states and 19368 transitions. [2021-06-05 10:33:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:33:58,307 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:33:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:58,314 INFO L225 Difference]: With dead ends: 7633 [2021-06-05 10:33:58,314 INFO L226 Difference]: Without dead ends: 7633 [2021-06-05 10:33:58,315 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 853.8ms TimeCoverageRelationStatistics Valid=327, Invalid=933, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:33:58,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7633 states. [2021-06-05 10:33:58,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7633 to 5858. [2021-06-05 10:33:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 5856 states have (on average 2.6741803278688523) internal successors, (15660), 5857 states have internal predecessors, (15660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 15660 transitions. [2021-06-05 10:33:58,400 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 15660 transitions. Word has length 114 [2021-06-05 10:33:58,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:58,400 INFO L482 AbstractCegarLoop]: Abstraction has 5858 states and 15660 transitions. [2021-06-05 10:33:58,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 15660 transitions. [2021-06-05 10:33:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:33:58,406 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:58,406 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:58,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-06-05 10:33:58,406 INFO L430 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:33:58,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:58,407 INFO L82 PathProgramCache]: Analyzing trace with hash 798212522, now seen corresponding path program 166 times [2021-06-05 10:33:58,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:58,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390026252] [2021-06-05 10:33:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:58,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:58,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390026252] [2021-06-05 10:33:58,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390026252] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:58,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:58,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:33:58,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259588478] [2021-06-05 10:33:58,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:33:58,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:58,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:33:58,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:33:58,720 INFO L87 Difference]: Start difference. First operand 5858 states and 15660 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:59,438 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:33:59,574 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:33:59,746 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:33:59,926 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:00,105 INFO L93 Difference]: Finished difference Result 20547 states and 53868 transitions. [2021-06-05 10:34:00,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:00,105 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:00,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:00,122 INFO L225 Difference]: With dead ends: 20547 [2021-06-05 10:34:00,122 INFO L226 Difference]: Without dead ends: 20547 [2021-06-05 10:34:00,123 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1211.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:00,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2021-06-05 10:34:00,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 5970. [2021-06-05 10:34:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5970 states, 5968 states have (on average 2.6779490616621984) internal successors, (15982), 5969 states have internal predecessors, (15982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5970 states to 5970 states and 15982 transitions. [2021-06-05 10:34:00,259 INFO L78 Accepts]: Start accepts. Automaton has 5970 states and 15982 transitions. Word has length 114 [2021-06-05 10:34:00,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:00,260 INFO L482 AbstractCegarLoop]: Abstraction has 5970 states and 15982 transitions. [2021-06-05 10:34:00,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5970 states and 15982 transitions. [2021-06-05 10:34:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:00,265 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:00,265 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:00,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-06-05 10:34:00,265 INFO L430 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:00,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1583518038, now seen corresponding path program 167 times [2021-06-05 10:34:00,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:00,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295681779] [2021-06-05 10:34:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:00,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:00,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295681779] [2021-06-05 10:34:00,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295681779] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:00,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:00,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:00,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347663083] [2021-06-05 10:34:00,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:00,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:00,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:00,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:00,566 INFO L87 Difference]: Start difference. First operand 5970 states and 15982 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:01,274 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:01,433 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:01,590 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:01,772 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:01,932 INFO L93 Difference]: Finished difference Result 23171 states and 60591 transitions. [2021-06-05 10:34:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:01,933 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:01,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:01,954 INFO L225 Difference]: With dead ends: 23171 [2021-06-05 10:34:01,954 INFO L226 Difference]: Without dead ends: 23171 [2021-06-05 10:34:01,954 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:01,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23171 states. [2021-06-05 10:34:02,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23171 to 5986. [2021-06-05 10:34:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5986 states, 5984 states have (on average 2.678475935828877) internal successors, (16028), 5985 states have internal predecessors, (16028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 16028 transitions. [2021-06-05 10:34:02,115 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 16028 transitions. Word has length 114 [2021-06-05 10:34:02,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:02,115 INFO L482 AbstractCegarLoop]: Abstraction has 5986 states and 16028 transitions. [2021-06-05 10:34:02,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 16028 transitions. [2021-06-05 10:34:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:02,121 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:02,121 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:02,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-06-05 10:34:02,121 INFO L430 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:02,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:02,121 INFO L82 PathProgramCache]: Analyzing trace with hash 551956584, now seen corresponding path program 168 times [2021-06-05 10:34:02,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:02,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152053948] [2021-06-05 10:34:02,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:02,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:02,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152053948] [2021-06-05 10:34:02,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152053948] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:02,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:02,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:02,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913761921] [2021-06-05 10:34:02,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:02,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:02,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:02,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:02,427 INFO L87 Difference]: Start difference. First operand 5986 states and 16028 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:03,139 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:03,292 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:03,458 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:03,635 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:03,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:03,778 INFO L93 Difference]: Finished difference Result 21451 states and 55879 transitions. [2021-06-05 10:34:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:03,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:03,798 INFO L225 Difference]: With dead ends: 21451 [2021-06-05 10:34:03,799 INFO L226 Difference]: Without dead ends: 21451 [2021-06-05 10:34:03,799 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1221.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21451 states. [2021-06-05 10:34:03,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21451 to 5958. [2021-06-05 10:34:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5956 states have (on average 2.674278038952317) internal successors, (15928), 5957 states have internal predecessors, (15928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 15928 transitions. [2021-06-05 10:34:03,949 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 15928 transitions. Word has length 114 [2021-06-05 10:34:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:03,949 INFO L482 AbstractCegarLoop]: Abstraction has 5958 states and 15928 transitions. [2021-06-05 10:34:03,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 15928 transitions. [2021-06-05 10:34:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:03,955 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:03,955 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:03,955 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-06-05 10:34:03,955 INFO L430 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:03,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:03,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1261771414, now seen corresponding path program 169 times [2021-06-05 10:34:03,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:03,956 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407226211] [2021-06-05 10:34:03,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:04,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:04,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407226211] [2021-06-05 10:34:04,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407226211] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:04,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:04,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:04,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184269353] [2021-06-05 10:34:04,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:04,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:04,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:04,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:04,256 INFO L87 Difference]: Start difference. First operand 5958 states and 15928 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:04,975 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:05,118 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:05,277 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:05,455 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:05,616 INFO L93 Difference]: Finished difference Result 20651 states and 54026 transitions. [2021-06-05 10:34:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:05,616 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:05,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:05,636 INFO L225 Difference]: With dead ends: 20651 [2021-06-05 10:34:05,636 INFO L226 Difference]: Without dead ends: 20651 [2021-06-05 10:34:05,637 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1195.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:05,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20651 states. [2021-06-05 10:34:05,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20651 to 5990. [2021-06-05 10:34:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5988 states have (on average 2.6753507014028055) internal successors, (16020), 5989 states have internal predecessors, (16020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 16020 transitions. [2021-06-05 10:34:05,786 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 16020 transitions. Word has length 114 [2021-06-05 10:34:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:05,786 INFO L482 AbstractCegarLoop]: Abstraction has 5990 states and 16020 transitions. [2021-06-05 10:34:05,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 16020 transitions. [2021-06-05 10:34:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:05,792 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:05,792 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:05,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-06-05 10:34:05,792 INFO L430 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:05,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:05,792 INFO L82 PathProgramCache]: Analyzing trace with hash 873703208, now seen corresponding path program 170 times [2021-06-05 10:34:05,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:05,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834423294] [2021-06-05 10:34:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:06,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:06,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834423294] [2021-06-05 10:34:06,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834423294] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:06,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:06,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:06,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901281031] [2021-06-05 10:34:06,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:06,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:06,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:06,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:06,120 INFO L87 Difference]: Start difference. First operand 5990 states and 16020 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:06,840 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:06,985 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:07,175 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:07,352 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:07,521 INFO L93 Difference]: Finished difference Result 21497 states and 55886 transitions. [2021-06-05 10:34:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:07,521 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:07,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:07,542 INFO L225 Difference]: With dead ends: 21497 [2021-06-05 10:34:07,542 INFO L226 Difference]: Without dead ends: 21497 [2021-06-05 10:34:07,542 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1250.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:07,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21497 states. [2021-06-05 10:34:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21497 to 5974. [2021-06-05 10:34:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.674815807099799) internal successors, (15974), 5973 states have internal predecessors, (15974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15974 transitions. [2021-06-05 10:34:07,698 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15974 transitions. Word has length 114 [2021-06-05 10:34:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:07,698 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15974 transitions. [2021-06-05 10:34:07,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15974 transitions. [2021-06-05 10:34:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:07,704 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:07,704 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:07,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-06-05 10:34:07,704 INFO L430 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:07,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:07,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1671566668, now seen corresponding path program 171 times [2021-06-05 10:34:07,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:07,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234773275] [2021-06-05 10:34:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:07,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:07,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234773275] [2021-06-05 10:34:07,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234773275] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:07,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:07,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:07,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025959773] [2021-06-05 10:34:07,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:07,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:08,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:08,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:08,000 INFO L87 Difference]: Start difference. First operand 5974 states and 15974 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:08,703 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:08,846 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:09,012 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:09,187 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:09,368 INFO L93 Difference]: Finished difference Result 20797 states and 54257 transitions. [2021-06-05 10:34:09,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:09,368 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:09,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:09,383 INFO L225 Difference]: With dead ends: 20797 [2021-06-05 10:34:09,383 INFO L226 Difference]: Without dead ends: 20797 [2021-06-05 10:34:09,383 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1219.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:09,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20797 states. [2021-06-05 10:34:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20797 to 5990. [2021-06-05 10:34:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5988 states have (on average 2.6753507014028055) internal successors, (16020), 5989 states have internal predecessors, (16020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 16020 transitions. [2021-06-05 10:34:09,517 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 16020 transitions. Word has length 114 [2021-06-05 10:34:09,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:09,517 INFO L482 AbstractCegarLoop]: Abstraction has 5990 states and 16020 transitions. [2021-06-05 10:34:09,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 16020 transitions. [2021-06-05 10:34:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:09,523 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:09,523 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:09,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-06-05 10:34:09,523 INFO L430 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:09,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:09,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1423019688, now seen corresponding path program 172 times [2021-06-05 10:34:09,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:09,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387708696] [2021-06-05 10:34:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:09,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:09,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387708696] [2021-06-05 10:34:09,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387708696] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:09,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:09,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:09,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675974972] [2021-06-05 10:34:09,814 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:09,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:09,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:09,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:09,814 INFO L87 Difference]: Start difference. First operand 5990 states and 16020 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:10,524 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:10,684 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:10,840 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:11,015 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:11,163 INFO L93 Difference]: Finished difference Result 18055 states and 47345 transitions. [2021-06-05 10:34:11,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:11,164 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:11,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:11,181 INFO L225 Difference]: With dead ends: 18055 [2021-06-05 10:34:11,181 INFO L226 Difference]: Without dead ends: 18055 [2021-06-05 10:34:11,181 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1204.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18055 states. [2021-06-05 10:34:11,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18055 to 5946. [2021-06-05 10:34:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5946 states, 5944 states have (on average 2.6726110363391657) internal successors, (15886), 5945 states have internal predecessors, (15886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 15886 transitions. [2021-06-05 10:34:11,317 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 15886 transitions. Word has length 114 [2021-06-05 10:34:11,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:11,317 INFO L482 AbstractCegarLoop]: Abstraction has 5946 states and 15886 transitions. [2021-06-05 10:34:11,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 15886 transitions. [2021-06-05 10:34:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:11,323 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:11,323 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:11,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-06-05 10:34:11,323 INFO L430 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:11,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:11,323 INFO L82 PathProgramCache]: Analyzing trace with hash 703534284, now seen corresponding path program 173 times [2021-06-05 10:34:11,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:11,323 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481534448] [2021-06-05 10:34:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:11,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:11,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481534448] [2021-06-05 10:34:11,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481534448] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:11,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:11,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:11,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126843218] [2021-06-05 10:34:11,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:11,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:11,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:11,659 INFO L87 Difference]: Start difference. First operand 5946 states and 15886 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:12,377 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:12,532 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:34:12,708 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:12,889 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:13,056 INFO L93 Difference]: Finished difference Result 19247 states and 50737 transitions. [2021-06-05 10:34:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:13,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:13,076 INFO L225 Difference]: With dead ends: 19247 [2021-06-05 10:34:13,076 INFO L226 Difference]: Without dead ends: 19247 [2021-06-05 10:34:13,076 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1231.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:13,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19247 states. [2021-06-05 10:34:13,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19247 to 5994. [2021-06-05 10:34:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5994 states, 5992 states have (on average 2.6742323097463285) internal successors, (16024), 5993 states have internal predecessors, (16024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 16024 transitions. [2021-06-05 10:34:13,223 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 16024 transitions. Word has length 114 [2021-06-05 10:34:13,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:13,223 INFO L482 AbstractCegarLoop]: Abstraction has 5994 states and 16024 transitions. [2021-06-05 10:34:13,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 16024 transitions. [2021-06-05 10:34:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:13,229 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:13,229 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:13,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-06-05 10:34:13,229 INFO L430 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:13,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:13,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1678196276, now seen corresponding path program 174 times [2021-06-05 10:34:13,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:13,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449116709] [2021-06-05 10:34:13,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:13,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:13,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449116709] [2021-06-05 10:34:13,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449116709] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:13,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:13,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:13,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222245514] [2021-06-05 10:34:13,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:13,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:13,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:13,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:13,543 INFO L87 Difference]: Start difference. First operand 5994 states and 16024 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:14,253 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:14,416 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:14,575 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:14,754 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:14,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:14,913 INFO L93 Difference]: Finished difference Result 19323 states and 50873 transitions. [2021-06-05 10:34:14,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:14,913 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:14,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:14,931 INFO L225 Difference]: With dead ends: 19323 [2021-06-05 10:34:14,931 INFO L226 Difference]: Without dead ends: 19323 [2021-06-05 10:34:14,932 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1214.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19323 states. [2021-06-05 10:34:15,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19323 to 6010. [2021-06-05 10:34:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6010 states, 6008 states have (on average 2.6747669773635154) internal successors, (16070), 6009 states have internal predecessors, (16070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 6010 states and 16070 transitions. [2021-06-05 10:34:15,072 INFO L78 Accepts]: Start accepts. Automaton has 6010 states and 16070 transitions. Word has length 114 [2021-06-05 10:34:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:15,072 INFO L482 AbstractCegarLoop]: Abstraction has 6010 states and 16070 transitions. [2021-06-05 10:34:15,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 6010 states and 16070 transitions. [2021-06-05 10:34:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:15,077 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:15,077 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:15,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-06-05 10:34:15,077 INFO L430 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:15,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:15,077 INFO L82 PathProgramCache]: Analyzing trace with hash 457278346, now seen corresponding path program 175 times [2021-06-05 10:34:15,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:15,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590470892] [2021-06-05 10:34:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:15,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:15,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590470892] [2021-06-05 10:34:15,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590470892] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:15,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:15,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:15,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376350918] [2021-06-05 10:34:15,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:15,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:15,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:15,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:15,445 INFO L87 Difference]: Start difference. First operand 6010 states and 16070 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:16,142 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:16,298 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:16,468 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:16,643 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:16,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:16,788 INFO L93 Difference]: Finished difference Result 18707 states and 48899 transitions. [2021-06-05 10:34:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:16,789 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:16,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:16,807 INFO L225 Difference]: With dead ends: 18707 [2021-06-05 10:34:16,807 INFO L226 Difference]: Without dead ends: 18707 [2021-06-05 10:34:16,807 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1259.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:16,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18707 states. [2021-06-05 10:34:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18707 to 5962. [2021-06-05 10:34:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 5960 states have (on average 2.6731543624161076) internal successors, (15932), 5961 states have internal predecessors, (15932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 15932 transitions. [2021-06-05 10:34:16,945 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 15932 transitions. Word has length 114 [2021-06-05 10:34:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:16,946 INFO L482 AbstractCegarLoop]: Abstraction has 5962 states and 15932 transitions. [2021-06-05 10:34:16,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 15932 transitions. [2021-06-05 10:34:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:16,951 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:16,951 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:16,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-06-05 10:34:16,951 INFO L430 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:16,952 INFO L82 PathProgramCache]: Analyzing trace with hash 324716970, now seen corresponding path program 176 times [2021-06-05 10:34:16,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:16,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156295095] [2021-06-05 10:34:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:17,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:17,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156295095] [2021-06-05 10:34:17,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156295095] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:17,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:17,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:17,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117716213] [2021-06-05 10:34:17,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:17,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:17,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:17,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:17,269 INFO L87 Difference]: Start difference. First operand 5962 states and 15932 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:18,098 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:34:18,272 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:18,472 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:18,615 INFO L93 Difference]: Finished difference Result 15467 states and 40652 transitions. [2021-06-05 10:34:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:18,616 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:18,631 INFO L225 Difference]: With dead ends: 15467 [2021-06-05 10:34:18,631 INFO L226 Difference]: Without dead ends: 15467 [2021-06-05 10:34:18,631 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-06-05 10:34:18,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 5934. [2021-06-05 10:34:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5934 states, 5932 states have (on average 2.671948752528658) internal successors, (15850), 5933 states have internal predecessors, (15850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5934 states to 5934 states and 15850 transitions. [2021-06-05 10:34:18,772 INFO L78 Accepts]: Start accepts. Automaton has 5934 states and 15850 transitions. Word has length 114 [2021-06-05 10:34:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:18,772 INFO L482 AbstractCegarLoop]: Abstraction has 5934 states and 15850 transitions. [2021-06-05 10:34:18,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5934 states and 15850 transitions. [2021-06-05 10:34:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:18,778 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:18,778 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:18,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-06-05 10:34:18,778 INFO L430 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:18,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:18,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1636233162, now seen corresponding path program 177 times [2021-06-05 10:34:18,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:18,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943696295] [2021-06-05 10:34:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:19,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:19,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943696295] [2021-06-05 10:34:19,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943696295] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:19,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:19,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:19,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021405762] [2021-06-05 10:34:19,086 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:19,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:19,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:19,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:19,086 INFO L87 Difference]: Start difference. First operand 5934 states and 15850 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:19,806 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:19,941 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:34:20,113 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:20,294 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:20,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:20,445 INFO L93 Difference]: Finished difference Result 15229 states and 39989 transitions. [2021-06-05 10:34:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:20,445 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:20,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:20,461 INFO L225 Difference]: With dead ends: 15229 [2021-06-05 10:34:20,461 INFO L226 Difference]: Without dead ends: 15229 [2021-06-05 10:34:20,461 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1195.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15229 states. [2021-06-05 10:34:20,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15229 to 6062. [2021-06-05 10:34:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6062 states, 6060 states have (on average 2.6762376237623764) internal successors, (16218), 6061 states have internal predecessors, (16218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 16218 transitions. [2021-06-05 10:34:20,583 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 16218 transitions. Word has length 114 [2021-06-05 10:34:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:20,584 INFO L482 AbstractCegarLoop]: Abstraction has 6062 states and 16218 transitions. [2021-06-05 10:34:20,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 16218 transitions. [2021-06-05 10:34:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:20,589 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:20,589 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:20,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-06-05 10:34:20,589 INFO L430 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:20,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:20,590 INFO L82 PathProgramCache]: Analyzing trace with hash -745497398, now seen corresponding path program 178 times [2021-06-05 10:34:20,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:20,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107464340] [2021-06-05 10:34:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:20,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:20,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107464340] [2021-06-05 10:34:20,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107464340] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:20,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:20,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:20,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368416297] [2021-06-05 10:34:20,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:20,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:20,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:20,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:20,892 INFO L87 Difference]: Start difference. First operand 6062 states and 16218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:21,610 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:21,787 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:21,966 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:22,149 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:22,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:22,302 INFO L93 Difference]: Finished difference Result 17853 states and 46712 transitions. [2021-06-05 10:34:22,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:22,303 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:22,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:22,320 INFO L225 Difference]: With dead ends: 17853 [2021-06-05 10:34:22,320 INFO L226 Difference]: Without dead ends: 17853 [2021-06-05 10:34:22,320 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1244.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17853 states. [2021-06-05 10:34:22,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17853 to 6078. [2021-06-05 10:34:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6078 states, 6076 states have (on average 2.676761026991442) internal successors, (16264), 6077 states have internal predecessors, (16264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6078 states to 6078 states and 16264 transitions. [2021-06-05 10:34:22,455 INFO L78 Accepts]: Start accepts. Automaton has 6078 states and 16264 transitions. Word has length 114 [2021-06-05 10:34:22,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:22,456 INFO L482 AbstractCegarLoop]: Abstraction has 6078 states and 16264 transitions. [2021-06-05 10:34:22,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6078 states and 16264 transitions. [2021-06-05 10:34:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:22,461 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:22,461 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:22,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-06-05 10:34:22,461 INFO L430 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:22,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:22,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1389977224, now seen corresponding path program 179 times [2021-06-05 10:34:22,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:22,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303203716] [2021-06-05 10:34:22,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:22,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:22,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303203716] [2021-06-05 10:34:22,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303203716] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:22,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:22,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:22,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166021682] [2021-06-05 10:34:22,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:22,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:22,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:22,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:22,772 INFO L87 Difference]: Start difference. First operand 6078 states and 16264 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:23,474 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:23,628 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:23,797 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:23,974 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:24,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:24,110 INFO L93 Difference]: Finished difference Result 16133 states and 42000 transitions. [2021-06-05 10:34:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:24,110 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:24,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:24,125 INFO L225 Difference]: With dead ends: 16133 [2021-06-05 10:34:24,126 INFO L226 Difference]: Without dead ends: 16133 [2021-06-05 10:34:24,126 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1225.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:24,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16133 states. [2021-06-05 10:34:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16133 to 6030. [2021-06-05 10:34:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6030 states, 6028 states have (on average 2.6751824817518246) internal successors, (16126), 6029 states have internal predecessors, (16126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6030 states to 6030 states and 16126 transitions. [2021-06-05 10:34:24,255 INFO L78 Accepts]: Start accepts. Automaton has 6030 states and 16126 transitions. Word has length 114 [2021-06-05 10:34:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:24,255 INFO L482 AbstractCegarLoop]: Abstraction has 6030 states and 16126 transitions. [2021-06-05 10:34:24,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 6030 states and 16126 transitions. [2021-06-05 10:34:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:24,261 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:24,261 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:24,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-06-05 10:34:24,261 INFO L430 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:24,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:24,261 INFO L82 PathProgramCache]: Analyzing trace with hash -423750774, now seen corresponding path program 180 times [2021-06-05 10:34:24,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:24,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207942755] [2021-06-05 10:34:24,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:24,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:24,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207942755] [2021-06-05 10:34:24,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207942755] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:24,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:24,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:24,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092075294] [2021-06-05 10:34:24,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:24,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:24,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:24,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:24,552 INFO L87 Difference]: Start difference. First operand 6030 states and 16126 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:25,287 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:25,430 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:25,589 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:25,765 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:25,914 INFO L93 Difference]: Finished difference Result 19209 states and 49929 transitions. [2021-06-05 10:34:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:25,914 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:25,933 INFO L225 Difference]: With dead ends: 19209 [2021-06-05 10:34:25,933 INFO L226 Difference]: Without dead ends: 19209 [2021-06-05 10:34:25,933 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1229.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:25,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19209 states. [2021-06-05 10:34:26,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19209 to 6062. [2021-06-05 10:34:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6062 states, 6060 states have (on average 2.6762376237623764) internal successors, (16218), 6061 states have internal predecessors, (16218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 16218 transitions. [2021-06-05 10:34:26,072 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 16218 transitions. Word has length 114 [2021-06-05 10:34:26,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:26,072 INFO L482 AbstractCegarLoop]: Abstraction has 6062 states and 16218 transitions. [2021-06-05 10:34:26,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 16218 transitions. [2021-06-05 10:34:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:26,078 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:26,078 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:26,078 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-06-05 10:34:26,078 INFO L430 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:26,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:26,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1711723848, now seen corresponding path program 181 times [2021-06-05 10:34:26,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:26,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271197311] [2021-06-05 10:34:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:26,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:26,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271197311] [2021-06-05 10:34:26,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271197311] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:26,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:26,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:26,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756592911] [2021-06-05 10:34:26,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:26,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:26,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:26,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:26,396 INFO L87 Difference]: Start difference. First operand 6062 states and 16218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:27,124 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:27,269 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:27,443 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:27,620 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:27,788 INFO L93 Difference]: Finished difference Result 20055 states and 51789 transitions. [2021-06-05 10:34:27,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:27,789 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:27,809 INFO L225 Difference]: With dead ends: 20055 [2021-06-05 10:34:27,809 INFO L226 Difference]: Without dead ends: 20055 [2021-06-05 10:34:27,809 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20055 states. [2021-06-05 10:34:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20055 to 6046. [2021-06-05 10:34:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6046 states, 6044 states have (on average 2.6757114493712773) internal successors, (16172), 6045 states have internal predecessors, (16172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6046 states to 6046 states and 16172 transitions. [2021-06-05 10:34:27,955 INFO L78 Accepts]: Start accepts. Automaton has 6046 states and 16172 transitions. Word has length 114 [2021-06-05 10:34:27,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:27,955 INFO L482 AbstractCegarLoop]: Abstraction has 6046 states and 16172 transitions. [2021-06-05 10:34:27,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 6046 states and 16172 transitions. [2021-06-05 10:34:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:27,961 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:27,961 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:27,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-06-05 10:34:27,961 INFO L430 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:27,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:27,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1785379988, now seen corresponding path program 182 times [2021-06-05 10:34:27,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:27,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646948514] [2021-06-05 10:34:27,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:28,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:28,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646948514] [2021-06-05 10:34:28,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646948514] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:28,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:28,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:28,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646698753] [2021-06-05 10:34:28,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:28,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:28,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:28,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:28,288 INFO L87 Difference]: Start difference. First operand 6046 states and 16172 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:28,995 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:29,137 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:29,301 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:29,475 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:29,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:29,619 INFO L93 Difference]: Finished difference Result 19355 states and 50160 transitions. [2021-06-05 10:34:29,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:29,620 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:29,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:29,639 INFO L225 Difference]: With dead ends: 19355 [2021-06-05 10:34:29,639 INFO L226 Difference]: Without dead ends: 19355 [2021-06-05 10:34:29,639 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1210.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:29,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19355 states. [2021-06-05 10:34:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19355 to 6062. [2021-06-05 10:34:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6062 states, 6060 states have (on average 2.6762376237623764) internal successors, (16218), 6061 states have internal predecessors, (16218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 16218 transitions. [2021-06-05 10:34:29,784 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 16218 transitions. Word has length 114 [2021-06-05 10:34:29,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:29,784 INFO L482 AbstractCegarLoop]: Abstraction has 6062 states and 16218 transitions. [2021-06-05 10:34:29,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 16218 transitions. [2021-06-05 10:34:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:29,789 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:29,790 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:29,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-06-05 10:34:29,790 INFO L430 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:29,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:29,790 INFO L82 PathProgramCache]: Analyzing trace with hash -2033926968, now seen corresponding path program 183 times [2021-06-05 10:34:29,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:29,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148651346] [2021-06-05 10:34:29,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:30,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:30,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148651346] [2021-06-05 10:34:30,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148651346] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:30,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:30,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:30,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673648618] [2021-06-05 10:34:30,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:30,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:30,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:30,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:30,073 INFO L87 Difference]: Start difference. First operand 6062 states and 16218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:30,788 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:30,933 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:31,090 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:31,268 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:31,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:31,420 INFO L93 Difference]: Finished difference Result 16313 states and 42498 transitions. [2021-06-05 10:34:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:31,420 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:31,436 INFO L225 Difference]: With dead ends: 16313 [2021-06-05 10:34:31,436 INFO L226 Difference]: Without dead ends: 16313 [2021-06-05 10:34:31,436 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1185.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16313 states. [2021-06-05 10:34:31,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16313 to 5998. [2021-06-05 10:34:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5998 states, 5996 states have (on average 2.674116077384923) internal successors, (16034), 5997 states have internal predecessors, (16034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5998 states to 5998 states and 16034 transitions. [2021-06-05 10:34:31,562 INFO L78 Accepts]: Start accepts. Automaton has 5998 states and 16034 transitions. Word has length 114 [2021-06-05 10:34:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:31,562 INFO L482 AbstractCegarLoop]: Abstraction has 5998 states and 16034 transitions. [2021-06-05 10:34:31,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5998 states and 16034 transitions. [2021-06-05 10:34:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:31,567 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:31,567 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:31,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-06-05 10:34:31,567 INFO L430 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:31,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:31,568 INFO L82 PathProgramCache]: Analyzing trace with hash -558952948, now seen corresponding path program 184 times [2021-06-05 10:34:31,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:31,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275234095] [2021-06-05 10:34:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:31,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:31,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275234095] [2021-06-05 10:34:31,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275234095] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:31,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:31,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:31,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586528756] [2021-06-05 10:34:31,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:31,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:31,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:31,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:31,869 INFO L87 Difference]: Start difference. First operand 5998 states and 16034 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:32,575 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:32,717 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:32,873 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:33,049 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:33,184 INFO L93 Difference]: Finished difference Result 14789 states and 38763 transitions. [2021-06-05 10:34:33,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:33,185 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:33,199 INFO L225 Difference]: With dead ends: 14789 [2021-06-05 10:34:33,200 INFO L226 Difference]: Without dead ends: 14789 [2021-06-05 10:34:33,200 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1209.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:33,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14789 states. [2021-06-05 10:34:33,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14789 to 6062. [2021-06-05 10:34:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6062 states, 6060 states have (on average 2.6762376237623764) internal successors, (16218), 6061 states have internal predecessors, (16218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 16218 transitions. [2021-06-05 10:34:33,320 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 16218 transitions. Word has length 114 [2021-06-05 10:34:33,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:33,320 INFO L482 AbstractCegarLoop]: Abstraction has 6062 states and 16218 transitions. [2021-06-05 10:34:33,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 16218 transitions. [2021-06-05 10:34:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:33,326 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:33,326 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:33,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-06-05 10:34:33,326 INFO L430 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:33,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:33,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1576521674, now seen corresponding path program 185 times [2021-06-05 10:34:33,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:33,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780742868] [2021-06-05 10:34:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:33,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:33,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780742868] [2021-06-05 10:34:33,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780742868] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:33,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:33,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:33,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461609767] [2021-06-05 10:34:33,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:33,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:33,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:33,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:33,621 INFO L87 Difference]: Start difference. First operand 6062 states and 16218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:34,325 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:34,486 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:34,654 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:34,824 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:34,957 INFO L93 Difference]: Finished difference Result 15635 states and 40623 transitions. [2021-06-05 10:34:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:34,957 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:34,972 INFO L225 Difference]: With dead ends: 15635 [2021-06-05 10:34:34,972 INFO L226 Difference]: Without dead ends: 15635 [2021-06-05 10:34:34,973 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1227.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:34,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15635 states. [2021-06-05 10:34:35,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15635 to 6046. [2021-06-05 10:34:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6046 states, 6044 states have (on average 2.6757114493712773) internal successors, (16172), 6045 states have internal predecessors, (16172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6046 states to 6046 states and 16172 transitions. [2021-06-05 10:34:35,094 INFO L78 Accepts]: Start accepts. Automaton has 6046 states and 16172 transitions. Word has length 114 [2021-06-05 10:34:35,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:35,094 INFO L482 AbstractCegarLoop]: Abstraction has 6046 states and 16172 transitions. [2021-06-05 10:34:35,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6046 states and 16172 transitions. [2021-06-05 10:34:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:35,100 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:35,100 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:35,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-06-05 10:34:35,100 INFO L430 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:35,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:35,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1920582162, now seen corresponding path program 186 times [2021-06-05 10:34:35,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:35,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791358743] [2021-06-05 10:34:35,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:35,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:35,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791358743] [2021-06-05 10:34:35,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791358743] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:35,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:35,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:35,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41429247] [2021-06-05 10:34:35,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:35,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:35,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:35,463 INFO L87 Difference]: Start difference. First operand 6046 states and 16172 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:36,221 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:36,367 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:36,536 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:36,715 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:36,881 INFO L93 Difference]: Finished difference Result 18841 states and 48737 transitions. [2021-06-05 10:34:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:36,881 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:36,900 INFO L225 Difference]: With dead ends: 18841 [2021-06-05 10:34:36,900 INFO L226 Difference]: Without dead ends: 18841 [2021-06-05 10:34:36,901 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1277.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18841 states. [2021-06-05 10:34:37,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18841 to 6062. [2021-06-05 10:34:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6062 states, 6060 states have (on average 2.6762376237623764) internal successors, (16218), 6061 states have internal predecessors, (16218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 16218 transitions. [2021-06-05 10:34:37,047 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 16218 transitions. Word has length 114 [2021-06-05 10:34:37,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:37,047 INFO L482 AbstractCegarLoop]: Abstraction has 6062 states and 16218 transitions. [2021-06-05 10:34:37,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 16218 transitions. [2021-06-05 10:34:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:37,054 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:37,054 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:37,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-06-05 10:34:37,054 INFO L430 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:37,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:37,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2125838154, now seen corresponding path program 187 times [2021-06-05 10:34:37,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:37,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038275180] [2021-06-05 10:34:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:37,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:37,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038275180] [2021-06-05 10:34:37,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038275180] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:37,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:37,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:37,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973204371] [2021-06-05 10:34:37,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:37,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:37,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:37,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:37,344 INFO L87 Difference]: Start difference. First operand 6062 states and 16218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:38,090 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:38,237 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:38,394 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:38,571 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:38,708 INFO L93 Difference]: Finished difference Result 15799 states and 41075 transitions. [2021-06-05 10:34:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:38,708 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:38,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:38,724 INFO L225 Difference]: With dead ends: 15799 [2021-06-05 10:34:38,725 INFO L226 Difference]: Without dead ends: 15799 [2021-06-05 10:34:38,725 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1223.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:38,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15799 states. [2021-06-05 10:34:38,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15799 to 6030. [2021-06-05 10:34:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6030 states, 6028 states have (on average 2.6751824817518246) internal successors, (16126), 6029 states have internal predecessors, (16126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6030 states to 6030 states and 16126 transitions. [2021-06-05 10:34:38,852 INFO L78 Accepts]: Start accepts. Automaton has 6030 states and 16126 transitions. Word has length 114 [2021-06-05 10:34:38,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:38,852 INFO L482 AbstractCegarLoop]: Abstraction has 6030 states and 16126 transitions. [2021-06-05 10:34:38,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6030 states and 16126 transitions. [2021-06-05 10:34:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:38,857 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:38,857 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:38,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-06-05 10:34:38,858 INFO L430 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:38,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:38,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1105567848, now seen corresponding path program 188 times [2021-06-05 10:34:38,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:38,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282429059] [2021-06-05 10:34:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:39,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:39,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282429059] [2021-06-05 10:34:39,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282429059] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:39,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:39,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:39,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701518834] [2021-06-05 10:34:39,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:39,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:39,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:39,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:39,161 INFO L87 Difference]: Start difference. First operand 6030 states and 16126 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:39,853 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:40,004 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:40,170 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:40,345 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:40,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:40,476 INFO L93 Difference]: Finished difference Result 14919 states and 38948 transitions. [2021-06-05 10:34:40,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:40,476 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:40,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:40,491 INFO L225 Difference]: With dead ends: 14919 [2021-06-05 10:34:40,492 INFO L226 Difference]: Without dead ends: 14919 [2021-06-05 10:34:40,492 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1217.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2021-06-05 10:34:40,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 6078. [2021-06-05 10:34:40,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6078 states, 6076 states have (on average 2.676761026991442) internal successors, (16264), 6077 states have internal predecessors, (16264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6078 states to 6078 states and 16264 transitions. [2021-06-05 10:34:40,612 INFO L78 Accepts]: Start accepts. Automaton has 6078 states and 16264 transitions. Word has length 114 [2021-06-05 10:34:40,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:40,612 INFO L482 AbstractCegarLoop]: Abstraction has 6078 states and 16264 transitions. [2021-06-05 10:34:40,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 6078 states and 16264 transitions. [2021-06-05 10:34:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:40,618 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:40,618 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:40,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-06-05 10:34:40,618 INFO L430 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:40,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:40,618 INFO L82 PathProgramCache]: Analyzing trace with hash 857020868, now seen corresponding path program 189 times [2021-06-05 10:34:40,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:40,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808815899] [2021-06-05 10:34:40,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:40,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:40,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808815899] [2021-06-05 10:34:40,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808815899] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:40,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:40,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:40,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098839549] [2021-06-05 10:34:40,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:40,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:40,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:40,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:40,950 INFO L87 Difference]: Start difference. First operand 6078 states and 16264 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:41,640 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:41,793 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:41,950 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:42,128 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:42,252 INFO L93 Difference]: Finished difference Result 14755 states and 38546 transitions. [2021-06-05 10:34:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:42,253 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:42,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:42,267 INFO L225 Difference]: With dead ends: 14755 [2021-06-05 10:34:42,267 INFO L226 Difference]: Without dead ends: 14755 [2021-06-05 10:34:42,267 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1202.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:42,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14755 states. [2021-06-05 10:34:42,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14755 to 6062. [2021-06-05 10:34:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6062 states, 6060 states have (on average 2.6762376237623764) internal successors, (16218), 6061 states have internal predecessors, (16218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 16218 transitions. [2021-06-05 10:34:42,388 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 16218 transitions. Word has length 114 [2021-06-05 10:34:42,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:42,388 INFO L482 AbstractCegarLoop]: Abstraction has 6062 states and 16218 transitions. [2021-06-05 10:34:42,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 16218 transitions. [2021-06-05 10:34:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:42,393 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:42,393 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:42,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-06-05 10:34:42,393 INFO L430 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:42,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:42,394 INFO L82 PathProgramCache]: Analyzing trace with hash -299796436, now seen corresponding path program 190 times [2021-06-05 10:34:42,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:42,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938538850] [2021-06-05 10:34:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:42,701 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:42,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938538850] [2021-06-05 10:34:42,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938538850] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:42,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:42,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:42,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130917107] [2021-06-05 10:34:42,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:42,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:42,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:42,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:42,702 INFO L87 Difference]: Start difference. First operand 6062 states and 16218 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:43,395 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:43,529 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:34:43,695 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:43,874 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:44,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:44,030 INFO L93 Difference]: Finished difference Result 12113 states and 31868 transitions. [2021-06-05 10:34:44,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:44,030 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:44,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:44,038 INFO L225 Difference]: With dead ends: 12113 [2021-06-05 10:34:44,038 INFO L226 Difference]: Without dead ends: 12113 [2021-06-05 10:34:44,039 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1198.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:44,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12113 states. [2021-06-05 10:34:44,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12113 to 5946. [2021-06-05 10:34:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5946 states, 5944 states have (on average 2.6695827725437415) internal successors, (15868), 5945 states have internal predecessors, (15868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 15868 transitions. [2021-06-05 10:34:44,125 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 15868 transitions. Word has length 114 [2021-06-05 10:34:44,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:44,125 INFO L482 AbstractCegarLoop]: Abstraction has 5946 states and 15868 transitions. [2021-06-05 10:34:44,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 15868 transitions. [2021-06-05 10:34:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:44,130 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:44,131 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:44,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-06-05 10:34:44,131 INFO L430 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:44,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:44,131 INFO L82 PathProgramCache]: Analyzing trace with hash 844759660, now seen corresponding path program 191 times [2021-06-05 10:34:44,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:44,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155241289] [2021-06-05 10:34:44,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:44,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:44,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155241289] [2021-06-05 10:34:44,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155241289] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:44,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:44,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:44,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98748483] [2021-06-05 10:34:44,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:44,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:44,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:44,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:44,433 INFO L87 Difference]: Start difference. First operand 5946 states and 15868 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:45,140 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:45,276 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:34:45,447 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:45,625 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:45,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:45,781 INFO L93 Difference]: Finished difference Result 14925 states and 39163 transitions. [2021-06-05 10:34:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:45,781 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:45,796 INFO L225 Difference]: With dead ends: 14925 [2021-06-05 10:34:45,796 INFO L226 Difference]: Without dead ends: 14925 [2021-06-05 10:34:45,797 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1190.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14925 states. [2021-06-05 10:34:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14925 to 6026. [2021-06-05 10:34:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6026 states, 6024 states have (on average 2.6723107569721116) internal successors, (16098), 6025 states have internal predecessors, (16098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6026 states to 6026 states and 16098 transitions. [2021-06-05 10:34:45,911 INFO L78 Accepts]: Start accepts. Automaton has 6026 states and 16098 transitions. Word has length 114 [2021-06-05 10:34:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:45,911 INFO L482 AbstractCegarLoop]: Abstraction has 6026 states and 16098 transitions. [2021-06-05 10:34:45,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 6026 states and 16098 transitions. [2021-06-05 10:34:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:45,916 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:45,916 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:45,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-06-05 10:34:45,916 INFO L430 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:45,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:45,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1536970900, now seen corresponding path program 192 times [2021-06-05 10:34:45,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:45,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81586649] [2021-06-05 10:34:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:46,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:46,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81586649] [2021-06-05 10:34:46,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81586649] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:46,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:46,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:46,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640362341] [2021-06-05 10:34:46,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:46,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:46,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:46,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:46,214 INFO L87 Difference]: Start difference. First operand 6026 states and 16098 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:46,918 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:47,079 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:47,254 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:47,435 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:47,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:47,594 INFO L93 Difference]: Finished difference Result 17549 states and 45886 transitions. [2021-06-05 10:34:47,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:47,595 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:47,612 INFO L225 Difference]: With dead ends: 17549 [2021-06-05 10:34:47,612 INFO L226 Difference]: Without dead ends: 17549 [2021-06-05 10:34:47,612 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1203.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:47,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17549 states. [2021-06-05 10:34:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17549 to 6042. [2021-06-05 10:34:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6042 states, 6040 states have (on average 2.672847682119205) internal successors, (16144), 6041 states have internal predecessors, (16144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6042 states to 6042 states and 16144 transitions. [2021-06-05 10:34:47,745 INFO L78 Accepts]: Start accepts. Automaton has 6042 states and 16144 transitions. Word has length 114 [2021-06-05 10:34:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:47,746 INFO L482 AbstractCegarLoop]: Abstraction has 6042 states and 16144 transitions. [2021-06-05 10:34:47,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6042 states and 16144 transitions. [2021-06-05 10:34:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:47,751 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:47,751 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:47,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-06-05 10:34:47,751 INFO L430 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:47,752 INFO L82 PathProgramCache]: Analyzing trace with hash 598503722, now seen corresponding path program 193 times [2021-06-05 10:34:47,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:47,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74322318] [2021-06-05 10:34:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:48,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:48,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74322318] [2021-06-05 10:34:48,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74322318] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:48,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:48,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:48,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024941652] [2021-06-05 10:34:48,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:48,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:48,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:48,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:48,054 INFO L87 Difference]: Start difference. First operand 6042 states and 16144 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:48,742 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:48,895 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:49,062 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:49,236 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:49,381 INFO L93 Difference]: Finished difference Result 15829 states and 41174 transitions. [2021-06-05 10:34:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:49,382 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:49,398 INFO L225 Difference]: With dead ends: 15829 [2021-06-05 10:34:49,398 INFO L226 Difference]: Without dead ends: 15829 [2021-06-05 10:34:49,398 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1213.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15829 states. [2021-06-05 10:34:49,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15829 to 5994. [2021-06-05 10:34:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5994 states, 5992 states have (on average 2.6712283044058744) internal successors, (16006), 5993 states have internal predecessors, (16006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 16006 transitions. [2021-06-05 10:34:49,527 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 16006 transitions. Word has length 114 [2021-06-05 10:34:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:49,527 INFO L482 AbstractCegarLoop]: Abstraction has 5994 states and 16006 transitions. [2021-06-05 10:34:49,527 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 16006 transitions. [2021-06-05 10:34:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:49,533 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:49,533 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:49,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-06-05 10:34:49,534 INFO L430 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:49,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1215224276, now seen corresponding path program 194 times [2021-06-05 10:34:49,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:49,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328948017] [2021-06-05 10:34:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:49,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:49,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328948017] [2021-06-05 10:34:49,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328948017] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:49,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:49,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:49,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71256130] [2021-06-05 10:34:49,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:49,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:49,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:49,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:49,828 INFO L87 Difference]: Start difference. First operand 5994 states and 16006 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:50,543 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:50,686 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:50,841 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:51,016 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:51,159 INFO L93 Difference]: Finished difference Result 15029 states and 39321 transitions. [2021-06-05 10:34:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:51,159 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:51,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:51,174 INFO L225 Difference]: With dead ends: 15029 [2021-06-05 10:34:51,174 INFO L226 Difference]: Without dead ends: 15029 [2021-06-05 10:34:51,174 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1215.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15029 states. [2021-06-05 10:34:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15029 to 6026. [2021-06-05 10:34:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6026 states, 6024 states have (on average 2.6723107569721116) internal successors, (16098), 6025 states have internal predecessors, (16098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6026 states to 6026 states and 16098 transitions. [2021-06-05 10:34:51,291 INFO L78 Accepts]: Start accepts. Automaton has 6026 states and 16098 transitions. Word has length 114 [2021-06-05 10:34:51,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:51,291 INFO L482 AbstractCegarLoop]: Abstraction has 6026 states and 16098 transitions. [2021-06-05 10:34:51,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 6026 states and 16098 transitions. [2021-06-05 10:34:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:51,296 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:51,296 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:51,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-06-05 10:34:51,296 INFO L430 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:51,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:51,296 INFO L82 PathProgramCache]: Analyzing trace with hash 920250346, now seen corresponding path program 195 times [2021-06-05 10:34:51,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:51,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516198024] [2021-06-05 10:34:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:51,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:51,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516198024] [2021-06-05 10:34:51,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516198024] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:51,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:51,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:51,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293184141] [2021-06-05 10:34:51,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:51,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:51,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:51,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:51,588 INFO L87 Difference]: Start difference. First operand 6026 states and 16098 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:52,303 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:52,448 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:52,621 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:52,795 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:52,961 INFO L93 Difference]: Finished difference Result 15875 states and 41181 transitions. [2021-06-05 10:34:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:52,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:52,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:52,978 INFO L225 Difference]: With dead ends: 15875 [2021-06-05 10:34:52,978 INFO L226 Difference]: Without dead ends: 15875 [2021-06-05 10:34:52,978 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:53,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15875 states. [2021-06-05 10:34:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15875 to 6010. [2021-06-05 10:34:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6010 states, 6008 states have (on average 2.6717709720372835) internal successors, (16052), 6009 states have internal predecessors, (16052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 6010 states and 16052 transitions. [2021-06-05 10:34:53,100 INFO L78 Accepts]: Start accepts. Automaton has 6010 states and 16052 transitions. Word has length 114 [2021-06-05 10:34:53,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:53,100 INFO L482 AbstractCegarLoop]: Abstraction has 6010 states and 16052 transitions. [2021-06-05 10:34:53,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 6010 states and 16052 transitions. [2021-06-05 10:34:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:53,105 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:53,105 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:53,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-06-05 10:34:53,105 INFO L430 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:53,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:53,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1718113806, now seen corresponding path program 196 times [2021-06-05 10:34:53,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:53,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454888717] [2021-06-05 10:34:53,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:53,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:53,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454888717] [2021-06-05 10:34:53,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454888717] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:53,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:53,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:53,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392034124] [2021-06-05 10:34:53,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:53,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:53,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:53,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:53,458 INFO L87 Difference]: Start difference. First operand 6010 states and 16052 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:54,155 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:54,298 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:54,462 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:34:54,635 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:34:54,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:54,772 INFO L93 Difference]: Finished difference Result 15175 states and 39552 transitions. [2021-06-05 10:34:54,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:54,773 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:54,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:54,788 INFO L225 Difference]: With dead ends: 15175 [2021-06-05 10:34:54,788 INFO L226 Difference]: Without dead ends: 15175 [2021-06-05 10:34:54,788 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1273.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15175 states. [2021-06-05 10:34:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15175 to 6026. [2021-06-05 10:34:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6026 states, 6024 states have (on average 2.6723107569721116) internal successors, (16098), 6025 states have internal predecessors, (16098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6026 states to 6026 states and 16098 transitions. [2021-06-05 10:34:54,904 INFO L78 Accepts]: Start accepts. Automaton has 6026 states and 16098 transitions. Word has length 114 [2021-06-05 10:34:54,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:54,904 INFO L482 AbstractCegarLoop]: Abstraction has 6026 states and 16098 transitions. [2021-06-05 10:34:54,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 6026 states and 16098 transitions. [2021-06-05 10:34:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:54,909 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:54,909 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:54,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-06-05 10:34:54,909 INFO L430 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1469566826, now seen corresponding path program 197 times [2021-06-05 10:34:54,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:54,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425192312] [2021-06-05 10:34:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:55,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:55,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425192312] [2021-06-05 10:34:55,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425192312] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:55,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:55,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:55,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995258642] [2021-06-05 10:34:55,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:55,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:55,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:55,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:55,199 INFO L87 Difference]: Start difference. First operand 6026 states and 16098 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:55,908 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:34:56,053 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:56,210 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:56,385 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:56,526 INFO L93 Difference]: Finished difference Result 12433 states and 32640 transitions. [2021-06-05 10:34:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:56,526 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:56,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:56,539 INFO L225 Difference]: With dead ends: 12433 [2021-06-05 10:34:56,539 INFO L226 Difference]: Without dead ends: 12433 [2021-06-05 10:34:56,539 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1191.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:56,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12433 states. [2021-06-05 10:34:56,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12433 to 5962. [2021-06-05 10:34:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 5960 states have (on average 2.6701342281879197) internal successors, (15914), 5961 states have internal predecessors, (15914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 15914 transitions. [2021-06-05 10:34:56,660 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 15914 transitions. Word has length 114 [2021-06-05 10:34:56,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:56,661 INFO L482 AbstractCegarLoop]: Abstraction has 5962 states and 15914 transitions. [2021-06-05 10:34:56,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 15914 transitions. [2021-06-05 10:34:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:56,666 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:56,666 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:56,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-06-05 10:34:56,666 INFO L430 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:56,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:56,666 INFO L82 PathProgramCache]: Analyzing trace with hash 750081422, now seen corresponding path program 198 times [2021-06-05 10:34:56,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:56,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986021662] [2021-06-05 10:34:56,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:56,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:56,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986021662] [2021-06-05 10:34:56,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986021662] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:56,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:56,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:56,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102283276] [2021-06-05 10:34:56,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:56,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:56,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:56,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:56,980 INFO L87 Difference]: Start difference. First operand 5962 states and 15914 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:57,673 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:57,811 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:34:57,988 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:34:58,167 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:34:58,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:58,327 INFO L93 Difference]: Finished difference Result 17847 states and 46751 transitions. [2021-06-05 10:34:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:34:58,327 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:34:58,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:58,348 INFO L225 Difference]: With dead ends: 17847 [2021-06-05 10:34:58,348 INFO L226 Difference]: Without dead ends: 17847 [2021-06-05 10:34:58,348 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1209.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:34:58,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17847 states. [2021-06-05 10:34:58,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17847 to 6010. [2021-06-05 10:34:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6010 states, 6008 states have (on average 2.6717709720372835) internal successors, (16052), 6009 states have internal predecessors, (16052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 6010 states and 16052 transitions. [2021-06-05 10:34:58,485 INFO L78 Accepts]: Start accepts. Automaton has 6010 states and 16052 transitions. Word has length 114 [2021-06-05 10:34:58,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:58,486 INFO L482 AbstractCegarLoop]: Abstraction has 6010 states and 16052 transitions. [2021-06-05 10:34:58,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 6010 states and 16052 transitions. [2021-06-05 10:34:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:34:58,491 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:58,491 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:58,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-06-05 10:34:58,491 INFO L430 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:34:58,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:58,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1631649138, now seen corresponding path program 199 times [2021-06-05 10:34:58,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:58,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22787833] [2021-06-05 10:34:58,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:58,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:58,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22787833] [2021-06-05 10:34:58,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22787833] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:58,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:58,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:34:58,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998795482] [2021-06-05 10:34:58,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:34:58,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:58,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:34:58,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:34:58,806 INFO L87 Difference]: Start difference. First operand 6010 states and 16052 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:59,513 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:34:59,700 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:34:59,862 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:00,042 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:00,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:00,208 INFO L93 Difference]: Finished difference Result 17923 states and 46887 transitions. [2021-06-05 10:35:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:00,208 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:00,226 INFO L225 Difference]: With dead ends: 17923 [2021-06-05 10:35:00,226 INFO L226 Difference]: Without dead ends: 17923 [2021-06-05 10:35:00,226 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1238.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:00,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17923 states. [2021-06-05 10:35:00,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17923 to 6026. [2021-06-05 10:35:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6026 states, 6024 states have (on average 2.6723107569721116) internal successors, (16098), 6025 states have internal predecessors, (16098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6026 states to 6026 states and 16098 transitions. [2021-06-05 10:35:00,356 INFO L78 Accepts]: Start accepts. Automaton has 6026 states and 16098 transitions. Word has length 114 [2021-06-05 10:35:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:00,356 INFO L482 AbstractCegarLoop]: Abstraction has 6026 states and 16098 transitions. [2021-06-05 10:35:00,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 6026 states and 16098 transitions. [2021-06-05 10:35:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:00,361 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:00,361 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:00,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-06-05 10:35:00,361 INFO L430 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:00,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:00,362 INFO L82 PathProgramCache]: Analyzing trace with hash 503825484, now seen corresponding path program 200 times [2021-06-05 10:35:00,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:00,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926439507] [2021-06-05 10:35:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:00,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:00,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926439507] [2021-06-05 10:35:00,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926439507] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:00,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:00,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:00,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980182246] [2021-06-05 10:35:00,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:00,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:00,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:00,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:00,677 INFO L87 Difference]: Start difference. First operand 6026 states and 16098 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:01,367 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:01,527 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:01,700 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:01,876 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:02,030 INFO L93 Difference]: Finished difference Result 17307 states and 44913 transitions. [2021-06-05 10:35:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:02,030 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:02,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:02,048 INFO L225 Difference]: With dead ends: 17307 [2021-06-05 10:35:02,048 INFO L226 Difference]: Without dead ends: 17307 [2021-06-05 10:35:02,048 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1234.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17307 states. [2021-06-05 10:35:02,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17307 to 5978. [2021-06-05 10:35:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 5976 states have (on average 2.6706827309236947) internal successors, (15960), 5977 states have internal predecessors, (15960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 15960 transitions. [2021-06-05 10:35:02,181 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 15960 transitions. Word has length 114 [2021-06-05 10:35:02,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:02,181 INFO L482 AbstractCegarLoop]: Abstraction has 5978 states and 15960 transitions. [2021-06-05 10:35:02,181 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 15960 transitions. [2021-06-05 10:35:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:02,186 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:02,187 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:02,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-06-05 10:35:02,187 INFO L430 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:02,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:02,187 INFO L82 PathProgramCache]: Analyzing trace with hash 371264108, now seen corresponding path program 201 times [2021-06-05 10:35:02,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:02,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864326708] [2021-06-05 10:35:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:02,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:02,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864326708] [2021-06-05 10:35:02,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864326708] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:02,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:02,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:02,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117021378] [2021-06-05 10:35:02,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:02,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:02,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:02,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:02,508 INFO L87 Difference]: Start difference. First operand 5978 states and 15960 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:03,384 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:03,585 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:03,766 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:03,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:03,909 INFO L93 Difference]: Finished difference Result 13715 states and 35814 transitions. [2021-06-05 10:35:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:03,910 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:03,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:03,924 INFO L225 Difference]: With dead ends: 13715 [2021-06-05 10:35:03,924 INFO L226 Difference]: Without dead ends: 13715 [2021-06-05 10:35:03,925 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1258.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-06-05 10:35:04,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 5946. [2021-06-05 10:35:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5946 states, 5944 states have (on average 2.6695827725437415) internal successors, (15868), 5945 states have internal predecessors, (15868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 15868 transitions. [2021-06-05 10:35:04,040 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 15868 transitions. Word has length 114 [2021-06-05 10:35:04,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:04,041 INFO L482 AbstractCegarLoop]: Abstraction has 5946 states and 15868 transitions. [2021-06-05 10:35:04,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:04,041 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 15868 transitions. [2021-06-05 10:35:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:04,046 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:04,046 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:04,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-06-05 10:35:04,046 INFO L430 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:04,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:04,047 INFO L82 PathProgramCache]: Analyzing trace with hash 344179114, now seen corresponding path program 202 times [2021-06-05 10:35:04,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:04,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986603084] [2021-06-05 10:35:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:04,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:04,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986603084] [2021-06-05 10:35:04,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986603084] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:04,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:04,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:04,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318786833] [2021-06-05 10:35:04,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:04,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:04,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:04,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:04,377 INFO L87 Difference]: Start difference. First operand 5946 states and 15868 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:05,107 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:05,246 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:05,426 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:05,610 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:05,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:05,758 INFO L93 Difference]: Finished difference Result 12937 states and 34234 transitions. [2021-06-05 10:35:05,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:05,759 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:05,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:05,773 INFO L225 Difference]: With dead ends: 12937 [2021-06-05 10:35:05,773 INFO L226 Difference]: Without dead ends: 12937 [2021-06-05 10:35:05,773 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1245.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:05,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12937 states. [2021-06-05 10:35:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12937 to 5994. [2021-06-05 10:35:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5994 states, 5992 states have (on average 2.6712283044058744) internal successors, (16006), 5993 states have internal predecessors, (16006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 16006 transitions. [2021-06-05 10:35:05,885 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 16006 transitions. Word has length 114 [2021-06-05 10:35:05,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:05,886 INFO L482 AbstractCegarLoop]: Abstraction has 5994 states and 16006 transitions. [2021-06-05 10:35:05,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 16006 transitions. [2021-06-05 10:35:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:05,892 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:05,892 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:05,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-06-05 10:35:05,892 INFO L430 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:05,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:05,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2037551446, now seen corresponding path program 203 times [2021-06-05 10:35:05,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:05,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749939045] [2021-06-05 10:35:05,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:06,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:06,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749939045] [2021-06-05 10:35:06,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749939045] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:06,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:06,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:06,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638416330] [2021-06-05 10:35:06,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:06,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:06,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:06,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:06,258 INFO L87 Difference]: Start difference. First operand 5994 states and 16006 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:06,974 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:07,139 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:07,300 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:07,482 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:07,633 INFO L93 Difference]: Finished difference Result 13013 states and 34370 transitions. [2021-06-05 10:35:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:07,633 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:07,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:07,648 INFO L225 Difference]: With dead ends: 13013 [2021-06-05 10:35:07,648 INFO L226 Difference]: Without dead ends: 13013 [2021-06-05 10:35:07,648 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1242.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:07,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13013 states. [2021-06-05 10:35:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13013 to 6010. [2021-06-05 10:35:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6010 states, 6008 states have (on average 2.6717709720372835) internal successors, (16052), 6009 states have internal predecessors, (16052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 6010 states and 16052 transitions. [2021-06-05 10:35:07,764 INFO L78 Accepts]: Start accepts. Automaton has 6010 states and 16052 transitions. Word has length 114 [2021-06-05 10:35:07,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:07,764 INFO L482 AbstractCegarLoop]: Abstraction has 6010 states and 16052 transitions. [2021-06-05 10:35:07,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 6010 states and 16052 transitions. [2021-06-05 10:35:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:07,769 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:07,770 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:07,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-06-05 10:35:07,770 INFO L430 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:07,770 INFO L82 PathProgramCache]: Analyzing trace with hash 97923176, now seen corresponding path program 204 times [2021-06-05 10:35:07,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:07,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932363599] [2021-06-05 10:35:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:08,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:08,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932363599] [2021-06-05 10:35:08,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932363599] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:08,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:08,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:08,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465090621] [2021-06-05 10:35:08,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:08,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:08,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:08,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:08,179 INFO L87 Difference]: Start difference. First operand 6010 states and 16052 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:08,906 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:09,070 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:09,244 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:09,421 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:09,586 INFO L93 Difference]: Finished difference Result 12397 states and 32396 transitions. [2021-06-05 10:35:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:09,587 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:09,599 INFO L225 Difference]: With dead ends: 12397 [2021-06-05 10:35:09,600 INFO L226 Difference]: Without dead ends: 12397 [2021-06-05 10:35:09,600 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1311.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:09,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12397 states. [2021-06-05 10:35:09,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12397 to 5962. [2021-06-05 10:35:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 5960 states have (on average 2.6701342281879197) internal successors, (15914), 5961 states have internal predecessors, (15914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 15914 transitions. [2021-06-05 10:35:09,706 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 15914 transitions. Word has length 114 [2021-06-05 10:35:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:09,706 INFO L482 AbstractCegarLoop]: Abstraction has 5962 states and 15914 transitions. [2021-06-05 10:35:09,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 15914 transitions. [2021-06-05 10:35:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:09,712 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:09,712 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:09,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-06-05 10:35:09,712 INFO L430 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:09,713 INFO L82 PathProgramCache]: Analyzing trace with hash -34638200, now seen corresponding path program 205 times [2021-06-05 10:35:09,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:09,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122328780] [2021-06-05 10:35:09,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:10,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:10,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122328780] [2021-06-05 10:35:10,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122328780] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:10,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:10,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:10,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591628282] [2021-06-05 10:35:10,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:10,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:10,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:10,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:10,058 INFO L87 Difference]: Start difference. First operand 5962 states and 15914 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:10,905 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:11,090 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:11,275 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:11,419 INFO L93 Difference]: Finished difference Result 12465 states and 32702 transitions. [2021-06-05 10:35:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:11,419 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:11,433 INFO L225 Difference]: With dead ends: 12465 [2021-06-05 10:35:11,433 INFO L226 Difference]: Without dead ends: 12465 [2021-06-05 10:35:11,433 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1232.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12465 states. [2021-06-05 10:35:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12465 to 5946. [2021-06-05 10:35:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5946 states, 5944 states have (on average 2.6695827725437415) internal successors, (15868), 5945 states have internal predecessors, (15868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 15868 transitions. [2021-06-05 10:35:11,541 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 15868 transitions. Word has length 114 [2021-06-05 10:35:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:11,541 INFO L482 AbstractCegarLoop]: Abstraction has 5946 states and 15868 transitions. [2021-06-05 10:35:11,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 15868 transitions. [2021-06-05 10:35:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:11,547 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:11,547 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:11,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-06-05 10:35:11,547 INFO L430 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:11,547 INFO L82 PathProgramCache]: Analyzing trace with hash 305606158, now seen corresponding path program 206 times [2021-06-05 10:35:11,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:11,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875567607] [2021-06-05 10:35:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:11,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:11,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875567607] [2021-06-05 10:35:11,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875567607] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:11,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:11,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:11,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873724262] [2021-06-05 10:35:11,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:11,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:11,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:11,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:11,885 INFO L87 Difference]: Start difference. First operand 5946 states and 15868 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:12,759 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:12,941 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:13,126 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:13,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:13,263 INFO L93 Difference]: Finished difference Result 9091 states and 23978 transitions. [2021-06-05 10:35:13,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:13,263 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:13,272 INFO L225 Difference]: With dead ends: 9091 [2021-06-05 10:35:13,273 INFO L226 Difference]: Without dead ends: 9091 [2021-06-05 10:35:13,273 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1265.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9091 states. [2021-06-05 10:35:13,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 5798. [2021-06-05 10:35:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5798 states, 5796 states have (on average 2.663906142167012) internal successors, (15440), 5797 states have internal predecessors, (15440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5798 states to 5798 states and 15440 transitions. [2021-06-05 10:35:13,366 INFO L78 Accepts]: Start accepts. Automaton has 5798 states and 15440 transitions. Word has length 114 [2021-06-05 10:35:13,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:13,366 INFO L482 AbstractCegarLoop]: Abstraction has 5798 states and 15440 transitions. [2021-06-05 10:35:13,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5798 states and 15440 transitions. [2021-06-05 10:35:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:13,372 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:13,372 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:13,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-06-05 10:35:13,372 INFO L430 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:13,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1879688244, now seen corresponding path program 207 times [2021-06-05 10:35:13,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:13,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172278152] [2021-06-05 10:35:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:13,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:13,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172278152] [2021-06-05 10:35:13,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172278152] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:13,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:13,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:13,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555905048] [2021-06-05 10:35:13,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:13,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:13,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:13,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:13,683 INFO L87 Difference]: Start difference. First operand 5798 states and 15440 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:14,408 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:14,547 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:14,725 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:14,904 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:15,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:15,075 INFO L93 Difference]: Finished difference Result 20011 states and 52272 transitions. [2021-06-05 10:35:15,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:15,076 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:15,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:15,096 INFO L225 Difference]: With dead ends: 20011 [2021-06-05 10:35:15,096 INFO L226 Difference]: Without dead ends: 20011 [2021-06-05 10:35:15,096 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20011 states. [2021-06-05 10:35:15,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20011 to 5926. [2021-06-05 10:35:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:35:15,241 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:35:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:15,241 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:35:15,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:35:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:15,247 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:15,247 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:15,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-06-05 10:35:15,247 INFO L430 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash 33548492, now seen corresponding path program 208 times [2021-06-05 10:35:15,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:15,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029475656] [2021-06-05 10:35:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:15,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:15,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029475656] [2021-06-05 10:35:15,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029475656] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:15,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:15,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:15,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156499886] [2021-06-05 10:35:15,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:15,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:15,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:15,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:15,551 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:16,273 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:16,432 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:16,590 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:16,771 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:16,929 INFO L93 Difference]: Finished difference Result 22635 states and 58995 transitions. [2021-06-05 10:35:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:16,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:16,952 INFO L225 Difference]: With dead ends: 22635 [2021-06-05 10:35:16,952 INFO L226 Difference]: Without dead ends: 22635 [2021-06-05 10:35:16,952 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1234.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22635 states. [2021-06-05 10:35:17,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22635 to 5942. [2021-06-05 10:35:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5940 states have (on average 2.669023569023569) internal successors, (15854), 5941 states have internal predecessors, (15854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 15854 transitions. [2021-06-05 10:35:17,111 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 15854 transitions. Word has length 114 [2021-06-05 10:35:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:17,111 INFO L482 AbstractCegarLoop]: Abstraction has 5942 states and 15854 transitions. [2021-06-05 10:35:17,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 15854 transitions. [2021-06-05 10:35:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:17,117 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:17,117 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:17,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-06-05 10:35:17,117 INFO L430 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:17,117 INFO L82 PathProgramCache]: Analyzing trace with hash -2125944182, now seen corresponding path program 209 times [2021-06-05 10:35:17,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:17,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487082017] [2021-06-05 10:35:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:17,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:17,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487082017] [2021-06-05 10:35:17,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487082017] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:17,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:17,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:17,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024010836] [2021-06-05 10:35:17,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:17,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:17,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:17,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:17,439 INFO L87 Difference]: Start difference. First operand 5942 states and 15854 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:18,140 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:18,298 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:18,469 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:18,645 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:18,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:18,807 INFO L93 Difference]: Finished difference Result 20915 states and 54283 transitions. [2021-06-05 10:35:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:18,807 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:18,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:18,826 INFO L225 Difference]: With dead ends: 20915 [2021-06-05 10:35:18,827 INFO L226 Difference]: Without dead ends: 20915 [2021-06-05 10:35:18,827 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1225.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20915 states. [2021-06-05 10:35:18,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20915 to 5894. [2021-06-05 10:35:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5894 states, 5892 states have (on average 2.6673455532926003) internal successors, (15716), 5893 states have internal predecessors, (15716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 15716 transitions. [2021-06-05 10:35:18,970 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 15716 transitions. Word has length 114 [2021-06-05 10:35:18,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:18,970 INFO L482 AbstractCegarLoop]: Abstraction has 5894 states and 15716 transitions. [2021-06-05 10:35:18,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 15716 transitions. [2021-06-05 10:35:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:18,975 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:18,975 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:18,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-06-05 10:35:18,975 INFO L430 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash 355295116, now seen corresponding path program 210 times [2021-06-05 10:35:18,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:18,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033423127] [2021-06-05 10:35:18,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:19,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:19,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033423127] [2021-06-05 10:35:19,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033423127] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:19,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:19,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:19,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021287110] [2021-06-05 10:35:19,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:19,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:19,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:19,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:19,319 INFO L87 Difference]: Start difference. First operand 5894 states and 15716 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:20,045 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:20,191 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:20,352 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:20,531 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:20,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:20,695 INFO L93 Difference]: Finished difference Result 20115 states and 52430 transitions. [2021-06-05 10:35:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:20,695 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:20,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:20,714 INFO L225 Difference]: With dead ends: 20115 [2021-06-05 10:35:20,714 INFO L226 Difference]: Without dead ends: 20115 [2021-06-05 10:35:20,714 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1217.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20115 states. [2021-06-05 10:35:20,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20115 to 5926. [2021-06-05 10:35:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:35:20,853 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:35:20,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:20,854 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:35:20,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:35:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:20,859 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:20,859 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:20,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-06-05 10:35:20,859 INFO L430 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:20,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:20,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1804197558, now seen corresponding path program 211 times [2021-06-05 10:35:20,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:20,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334226780] [2021-06-05 10:35:20,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:21,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:21,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334226780] [2021-06-05 10:35:21,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334226780] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:21,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:21,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:21,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770126918] [2021-06-05 10:35:21,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:21,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:21,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:21,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:21,173 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:21,904 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:22,050 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:22,225 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:22,418 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:22,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:22,585 INFO L93 Difference]: Finished difference Result 20961 states and 54290 transitions. [2021-06-05 10:35:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:22,586 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:22,605 INFO L225 Difference]: With dead ends: 20961 [2021-06-05 10:35:22,605 INFO L226 Difference]: Without dead ends: 20961 [2021-06-05 10:35:22,605 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1231.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:22,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20961 states. [2021-06-05 10:35:22,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20961 to 5910. [2021-06-05 10:35:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.6679079214624237) internal successors, (15762), 5909 states have internal predecessors, (15762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15762 transitions. [2021-06-05 10:35:22,743 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15762 transitions. Word has length 114 [2021-06-05 10:35:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:22,743 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15762 transitions. [2021-06-05 10:35:22,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15762 transitions. [2021-06-05 10:35:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:22,749 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:22,749 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:22,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-06-05 10:35:22,749 INFO L430 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:22,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:22,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1006334098, now seen corresponding path program 212 times [2021-06-05 10:35:22,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:22,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533004819] [2021-06-05 10:35:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:23,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:23,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533004819] [2021-06-05 10:35:23,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533004819] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:23,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:23,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:23,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643217227] [2021-06-05 10:35:23,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:23,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:23,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:23,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:23,037 INFO L87 Difference]: Start difference. First operand 5910 states and 15762 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:23,741 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:23,883 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:24,049 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:24,222 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:24,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:24,369 INFO L93 Difference]: Finished difference Result 20261 states and 52661 transitions. [2021-06-05 10:35:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:24,370 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:24,389 INFO L225 Difference]: With dead ends: 20261 [2021-06-05 10:35:24,389 INFO L226 Difference]: Without dead ends: 20261 [2021-06-05 10:35:24,389 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1203.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:24,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20261 states. [2021-06-05 10:35:24,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20261 to 5926. [2021-06-05 10:35:24,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:35:24,529 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:35:24,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:24,529 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:35:24,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:35:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:24,534 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:24,534 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:24,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-06-05 10:35:24,535 INFO L430 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:24,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:24,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1254881078, now seen corresponding path program 213 times [2021-06-05 10:35:24,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:24,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967303953] [2021-06-05 10:35:24,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:24,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:24,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967303953] [2021-06-05 10:35:24,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967303953] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:24,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:24,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:24,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272956127] [2021-06-05 10:35:24,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:24,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:24,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:24,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:24,837 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:25,573 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:25,718 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:25,876 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:26,054 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:26,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:26,208 INFO L93 Difference]: Finished difference Result 17519 states and 45749 transitions. [2021-06-05 10:35:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:26,209 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:26,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:26,226 INFO L225 Difference]: With dead ends: 17519 [2021-06-05 10:35:26,226 INFO L226 Difference]: Without dead ends: 17519 [2021-06-05 10:35:26,227 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1192.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:26,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17519 states. [2021-06-05 10:35:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17519 to 5862. [2021-06-05 10:35:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5862 states, 5860 states have (on average 2.666211604095563) internal successors, (15624), 5861 states have internal predecessors, (15624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5862 states to 5862 states and 15624 transitions. [2021-06-05 10:35:26,357 INFO L78 Accepts]: Start accepts. Automaton has 5862 states and 15624 transitions. Word has length 114 [2021-06-05 10:35:26,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:26,357 INFO L482 AbstractCegarLoop]: Abstraction has 5862 states and 15624 transitions. [2021-06-05 10:35:26,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:26,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5862 states and 15624 transitions. [2021-06-05 10:35:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:26,362 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:26,363 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:26,363 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-06-05 10:35:26,363 INFO L430 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:26,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:26,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1974366482, now seen corresponding path program 214 times [2021-06-05 10:35:26,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:26,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755542371] [2021-06-05 10:35:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:26,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:26,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755542371] [2021-06-05 10:35:26,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755542371] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:26,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:26,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:26,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066473981] [2021-06-05 10:35:26,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:26,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:26,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:26,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:26,692 INFO L87 Difference]: Start difference. First operand 5862 states and 15624 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:27,418 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:27,559 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:27,743 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:27,923 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:28,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:28,089 INFO L93 Difference]: Finished difference Result 18711 states and 49141 transitions. [2021-06-05 10:35:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:28,090 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:28,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:28,108 INFO L225 Difference]: With dead ends: 18711 [2021-06-05 10:35:28,109 INFO L226 Difference]: Without dead ends: 18711 [2021-06-05 10:35:28,109 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18711 states. [2021-06-05 10:35:28,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18711 to 5910. [2021-06-05 10:35:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.6679079214624237) internal successors, (15762), 5909 states have internal predecessors, (15762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15762 transitions. [2021-06-05 10:35:28,244 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15762 transitions. Word has length 114 [2021-06-05 10:35:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:28,244 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15762 transitions. [2021-06-05 10:35:28,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:28,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15762 transitions. [2021-06-05 10:35:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:28,249 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:28,249 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:28,249 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-06-05 10:35:28,249 INFO L430 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:28,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:28,249 INFO L82 PathProgramCache]: Analyzing trace with hash -61129746, now seen corresponding path program 215 times [2021-06-05 10:35:28,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:28,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728550939] [2021-06-05 10:35:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:28,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:28,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728550939] [2021-06-05 10:35:28,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728550939] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:28,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:28,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:28,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398571151] [2021-06-05 10:35:28,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:28,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:28,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:28,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:28,606 INFO L87 Difference]: Start difference. First operand 5910 states and 15762 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:29,308 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:29,471 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:29,630 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:29,806 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:29,960 INFO L93 Difference]: Finished difference Result 18787 states and 49277 transitions. [2021-06-05 10:35:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:29,961 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:29,979 INFO L225 Difference]: With dead ends: 18787 [2021-06-05 10:35:29,979 INFO L226 Difference]: Without dead ends: 18787 [2021-06-05 10:35:29,979 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1254.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:30,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18787 states. [2021-06-05 10:35:30,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18787 to 5926. [2021-06-05 10:35:30,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:35:30,112 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:35:30,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:30,112 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:35:30,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:35:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:30,117 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:30,118 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:30,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-06-05 10:35:30,118 INFO L430 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:30,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:30,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2074344876, now seen corresponding path program 216 times [2021-06-05 10:35:30,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:30,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203642685] [2021-06-05 10:35:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:30,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:30,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203642685] [2021-06-05 10:35:30,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203642685] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:30,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:30,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:30,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312646763] [2021-06-05 10:35:30,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:30,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:30,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:30,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:30,434 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:31,136 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:31,297 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:31,470 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:31,644 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:31,811 INFO L93 Difference]: Finished difference Result 18171 states and 47303 transitions. [2021-06-05 10:35:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:31,812 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:31,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:31,828 INFO L225 Difference]: With dead ends: 18171 [2021-06-05 10:35:31,828 INFO L226 Difference]: Without dead ends: 18171 [2021-06-05 10:35:31,828 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1234.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18171 states. [2021-06-05 10:35:31,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18171 to 5878. [2021-06-05 10:35:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 5876 states have (on average 2.666780122532335) internal successors, (15670), 5877 states have internal predecessors, (15670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 15670 transitions. [2021-06-05 10:35:31,960 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 15670 transitions. Word has length 114 [2021-06-05 10:35:31,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:31,960 INFO L482 AbstractCegarLoop]: Abstraction has 5878 states and 15670 transitions. [2021-06-05 10:35:31,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 15670 transitions. [2021-06-05 10:35:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:31,966 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:31,966 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:31,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-06-05 10:35:31,966 INFO L430 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:31,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:31,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1941783500, now seen corresponding path program 217 times [2021-06-05 10:35:31,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:31,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633102224] [2021-06-05 10:35:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:32,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:32,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633102224] [2021-06-05 10:35:32,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633102224] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:32,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:32,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:32,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410778724] [2021-06-05 10:35:32,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:32,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:32,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:32,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:32,286 INFO L87 Difference]: Start difference. First operand 5878 states and 15670 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:33,143 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:33,329 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:33,534 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:33,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:33,687 INFO L93 Difference]: Finished difference Result 14931 states and 39056 transitions. [2021-06-05 10:35:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:33,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:33,703 INFO L225 Difference]: With dead ends: 14931 [2021-06-05 10:35:33,703 INFO L226 Difference]: Without dead ends: 14931 [2021-06-05 10:35:33,703 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1239.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14931 states. [2021-06-05 10:35:33,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14931 to 5846. [2021-06-05 10:35:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 5844 states have (on average 2.6656399726214923) internal successors, (15578), 5845 states have internal predecessors, (15578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 15578 transitions. [2021-06-05 10:35:33,816 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 15578 transitions. Word has length 114 [2021-06-05 10:35:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:33,816 INFO L482 AbstractCegarLoop]: Abstraction has 5846 states and 15578 transitions. [2021-06-05 10:35:33,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 15578 transitions. [2021-06-05 10:35:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:33,821 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:33,821 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:33,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-06-05 10:35:33,822 INFO L430 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:33,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:33,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1041667604, now seen corresponding path program 218 times [2021-06-05 10:35:33,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:33,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920266072] [2021-06-05 10:35:33,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:34,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:34,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920266072] [2021-06-05 10:35:34,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920266072] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:34,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:34,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:34,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228902372] [2021-06-05 10:35:34,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:34,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:34,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:34,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:34,129 INFO L87 Difference]: Start difference. First operand 5846 states and 15578 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:34,842 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:34,997 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:35,170 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:35,348 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:35,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:35,506 INFO L93 Difference]: Finished difference Result 19431 states and 50548 transitions. [2021-06-05 10:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:35,507 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:35,526 INFO L225 Difference]: With dead ends: 19431 [2021-06-05 10:35:35,526 INFO L226 Difference]: Without dead ends: 19431 [2021-06-05 10:35:35,526 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1223.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19431 states. [2021-06-05 10:35:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19431 to 5974. [2021-06-05 10:35:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:35:35,665 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:35:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:35,665 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:35:35,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:35:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:35,670 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:35,670 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:35,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-06-05 10:35:35,670 INFO L430 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:35,671 INFO L82 PathProgramCache]: Analyzing trace with hash 871569132, now seen corresponding path program 219 times [2021-06-05 10:35:35,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:35,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929072468] [2021-06-05 10:35:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:35,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:35,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929072468] [2021-06-05 10:35:35,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929072468] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:35,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:35,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:35,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332940923] [2021-06-05 10:35:35,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:35,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:35,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:35,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:35,970 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:36,699 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:36,864 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:37,026 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:37,212 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:37,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:37,382 INFO L93 Difference]: Finished difference Result 22055 states and 57271 transitions. [2021-06-05 10:35:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:37,383 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:37,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:37,404 INFO L225 Difference]: With dead ends: 22055 [2021-06-05 10:35:37,404 INFO L226 Difference]: Without dead ends: 22055 [2021-06-05 10:35:37,405 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1210.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22055 states. [2021-06-05 10:35:37,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22055 to 5990. [2021-06-05 10:35:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5988 states have (on average 2.670674682698731) internal successors, (15992), 5989 states have internal predecessors, (15992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 15992 transitions. [2021-06-05 10:35:37,557 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 15992 transitions. Word has length 114 [2021-06-05 10:35:37,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:37,557 INFO L482 AbstractCegarLoop]: Abstraction has 5990 states and 15992 transitions. [2021-06-05 10:35:37,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 15992 transitions. [2021-06-05 10:35:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:37,562 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:37,562 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:37,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-06-05 10:35:37,562 INFO L430 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1287923542, now seen corresponding path program 220 times [2021-06-05 10:35:37,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:37,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240145574] [2021-06-05 10:35:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:37,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:37,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240145574] [2021-06-05 10:35:37,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240145574] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:37,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:37,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:37,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547159473] [2021-06-05 10:35:37,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:37,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:37,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:37,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:37,867 INFO L87 Difference]: Start difference. First operand 5990 states and 15992 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:38,615 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:38,778 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:38,953 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:39,134 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:39,303 INFO L93 Difference]: Finished difference Result 20335 states and 52559 transitions. [2021-06-05 10:35:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:39,304 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:39,324 INFO L225 Difference]: With dead ends: 20335 [2021-06-05 10:35:39,324 INFO L226 Difference]: Without dead ends: 20335 [2021-06-05 10:35:39,324 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1220.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:39,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20335 states. [2021-06-05 10:35:39,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20335 to 5942. [2021-06-05 10:35:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5940 states have (on average 2.669023569023569) internal successors, (15854), 5941 states have internal predecessors, (15854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 15854 transitions. [2021-06-05 10:35:39,469 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 15854 transitions. Word has length 114 [2021-06-05 10:35:39,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:39,469 INFO L482 AbstractCegarLoop]: Abstraction has 5942 states and 15854 transitions. [2021-06-05 10:35:39,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 15854 transitions. [2021-06-05 10:35:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:39,474 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:39,474 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:39,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-06-05 10:35:39,474 INFO L430 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:39,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:39,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1193315756, now seen corresponding path program 221 times [2021-06-05 10:35:39,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:39,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628748287] [2021-06-05 10:35:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:39,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:39,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628748287] [2021-06-05 10:35:39,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628748287] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:39,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:39,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:39,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521128590] [2021-06-05 10:35:39,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:39,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:39,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:39,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:39,764 INFO L87 Difference]: Start difference. First operand 5942 states and 15854 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:40,501 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:40,647 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:40,810 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:40,989 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:41,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:41,167 INFO L93 Difference]: Finished difference Result 23411 states and 60488 transitions. [2021-06-05 10:35:41,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:41,168 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:41,190 INFO L225 Difference]: With dead ends: 23411 [2021-06-05 10:35:41,190 INFO L226 Difference]: Without dead ends: 23411 [2021-06-05 10:35:41,190 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1197.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:41,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23411 states. [2021-06-05 10:35:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23411 to 5974. [2021-06-05 10:35:41,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:35:41,361 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:35:41,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:41,361 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:35:41,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:41,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:35:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:41,366 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:41,366 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:41,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-06-05 10:35:41,367 INFO L430 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:41,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:41,367 INFO L82 PathProgramCache]: Analyzing trace with hash -966176918, now seen corresponding path program 222 times [2021-06-05 10:35:41,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:41,367 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989272387] [2021-06-05 10:35:41,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:41,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:41,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989272387] [2021-06-05 10:35:41,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989272387] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:41,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:41,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:41,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441147131] [2021-06-05 10:35:41,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:41,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:41,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:41,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:41,689 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:42,429 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:42,608 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:42,828 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:43,036 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:43,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:43,222 INFO L93 Difference]: Finished difference Result 24257 states and 62348 transitions. [2021-06-05 10:35:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:43,222 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:43,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:43,245 INFO L225 Difference]: With dead ends: 24257 [2021-06-05 10:35:43,245 INFO L226 Difference]: Without dead ends: 24257 [2021-06-05 10:35:43,246 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1307.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:43,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24257 states. [2021-06-05 10:35:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24257 to 5958. [2021-06-05 10:35:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5956 states have (on average 2.669576897246474) internal successors, (15900), 5957 states have internal predecessors, (15900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 15900 transitions. [2021-06-05 10:35:43,415 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 15900 transitions. Word has length 114 [2021-06-05 10:35:43,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:43,415 INFO L482 AbstractCegarLoop]: Abstraction has 5958 states and 15900 transitions. [2021-06-05 10:35:43,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 15900 transitions. [2021-06-05 10:35:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:43,421 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:43,421 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:43,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-06-05 10:35:43,421 INFO L430 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:43,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:43,421 INFO L82 PathProgramCache]: Analyzing trace with hash -168313458, now seen corresponding path program 223 times [2021-06-05 10:35:43,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:43,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029868424] [2021-06-05 10:35:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:43,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:43,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029868424] [2021-06-05 10:35:43,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029868424] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:43,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:43,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:43,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345867883] [2021-06-05 10:35:43,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:43,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:43,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:43,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:43,714 INFO L87 Difference]: Start difference. First operand 5958 states and 15900 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:44,478 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:44,624 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:44,796 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:44,976 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:45,152 INFO L93 Difference]: Finished difference Result 23557 states and 60719 transitions. [2021-06-05 10:35:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:45,152 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:45,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:45,174 INFO L225 Difference]: With dead ends: 23557 [2021-06-05 10:35:45,174 INFO L226 Difference]: Without dead ends: 23557 [2021-06-05 10:35:45,174 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1237.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:45,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23557 states. [2021-06-05 10:35:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23557 to 5974. [2021-06-05 10:35:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:35:45,330 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:35:45,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:45,330 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:35:45,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:35:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:45,336 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:45,336 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:45,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-06-05 10:35:45,336 INFO L430 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash -416860438, now seen corresponding path program 224 times [2021-06-05 10:35:45,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:45,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902792027] [2021-06-05 10:35:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:45,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:45,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902792027] [2021-06-05 10:35:45,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902792027] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:45,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:45,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:45,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229830404] [2021-06-05 10:35:45,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:45,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:45,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:45,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:45,624 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:46,335 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:46,481 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:46,640 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:46,818 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:46,963 INFO L93 Difference]: Finished difference Result 20515 states and 53057 transitions. [2021-06-05 10:35:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:46,964 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:46,983 INFO L225 Difference]: With dead ends: 20515 [2021-06-05 10:35:46,983 INFO L226 Difference]: Without dead ends: 20515 [2021-06-05 10:35:46,983 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:47,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20515 states. [2021-06-05 10:35:47,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20515 to 5910. [2021-06-05 10:35:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.6679079214624237) internal successors, (15762), 5909 states have internal predecessors, (15762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15762 transitions. [2021-06-05 10:35:47,133 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15762 transitions. Word has length 114 [2021-06-05 10:35:47,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:47,133 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15762 transitions. [2021-06-05 10:35:47,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15762 transitions. [2021-06-05 10:35:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:47,139 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:47,139 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:47,139 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-06-05 10:35:47,139 INFO L430 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:47,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1058113582, now seen corresponding path program 225 times [2021-06-05 10:35:47,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:47,140 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242308068] [2021-06-05 10:35:47,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:47,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:47,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242308068] [2021-06-05 10:35:47,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242308068] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:47,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:47,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:47,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805040154] [2021-06-05 10:35:47,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:47,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:47,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:47,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:47,465 INFO L87 Difference]: Start difference. First operand 5910 states and 15762 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:48,188 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:48,338 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:48,499 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:48,677 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:48,826 INFO L93 Difference]: Finished difference Result 18991 states and 49322 transitions. [2021-06-05 10:35:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:48,827 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:48,845 INFO L225 Difference]: With dead ends: 18991 [2021-06-05 10:35:48,846 INFO L226 Difference]: Without dead ends: 18991 [2021-06-05 10:35:48,846 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1252.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18991 states. [2021-06-05 10:35:48,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18991 to 5974. [2021-06-05 10:35:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:35:48,982 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:35:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:48,982 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:35:48,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:35:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:48,987 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:48,988 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:48,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-06-05 10:35:48,988 INFO L430 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:48,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:48,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1101379092, now seen corresponding path program 226 times [2021-06-05 10:35:48,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:48,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235900352] [2021-06-05 10:35:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:49,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:49,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235900352] [2021-06-05 10:35:49,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235900352] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:49,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:49,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:49,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323748781] [2021-06-05 10:35:49,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:49,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:49,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:49,283 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:50,001 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:50,145 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:50,318 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:50,491 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:50,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:50,641 INFO L93 Difference]: Finished difference Result 19837 states and 51182 transitions. [2021-06-05 10:35:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:50,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:50,660 INFO L225 Difference]: With dead ends: 19837 [2021-06-05 10:35:50,660 INFO L226 Difference]: Without dead ends: 19837 [2021-06-05 10:35:50,660 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1221.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19837 states. [2021-06-05 10:35:50,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19837 to 5958. [2021-06-05 10:35:50,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5956 states have (on average 2.669576897246474) internal successors, (15900), 5957 states have internal predecessors, (15900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 15900 transitions. [2021-06-05 10:35:50,818 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 15900 transitions. Word has length 114 [2021-06-05 10:35:50,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:50,818 INFO L482 AbstractCegarLoop]: Abstraction has 5958 states and 15900 transitions. [2021-06-05 10:35:50,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 15900 transitions. [2021-06-05 10:35:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:50,823 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:50,823 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:50,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-06-05 10:35:50,824 INFO L430 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:50,824 INFO L82 PathProgramCache]: Analyzing trace with hash -303515632, now seen corresponding path program 227 times [2021-06-05 10:35:50,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:50,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964084734] [2021-06-05 10:35:50,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:51,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:51,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964084734] [2021-06-05 10:35:51,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964084734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:51,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:51,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:51,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392678102] [2021-06-05 10:35:51,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:51,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:51,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:51,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:51,169 INFO L87 Difference]: Start difference. First operand 5958 states and 15900 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:51,900 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:52,048 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:52,220 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:52,399 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:52,580 INFO L93 Difference]: Finished difference Result 23043 states and 59296 transitions. [2021-06-05 10:35:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:52,580 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:52,602 INFO L225 Difference]: With dead ends: 23043 [2021-06-05 10:35:52,602 INFO L226 Difference]: Without dead ends: 23043 [2021-06-05 10:35:52,602 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1241.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:52,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23043 states. [2021-06-05 10:35:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23043 to 5974. [2021-06-05 10:35:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:35:52,756 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:35:52,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:52,756 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:35:52,757 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:35:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:52,762 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:52,762 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:52,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-06-05 10:35:52,762 INFO L430 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:52,762 INFO L82 PathProgramCache]: Analyzing trace with hash -552062612, now seen corresponding path program 228 times [2021-06-05 10:35:52,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:52,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305391823] [2021-06-05 10:35:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:53,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:53,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305391823] [2021-06-05 10:35:53,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305391823] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:53,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:53,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:53,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679409975] [2021-06-05 10:35:53,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:53,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:53,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:53,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:53,049 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:53,759 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:35:53,924 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:54,082 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:54,255 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:54,392 INFO L93 Difference]: Finished difference Result 20001 states and 51634 transitions. [2021-06-05 10:35:54,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:54,392 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:54,411 INFO L225 Difference]: With dead ends: 20001 [2021-06-05 10:35:54,412 INFO L226 Difference]: Without dead ends: 20001 [2021-06-05 10:35:54,412 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1215.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:54,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20001 states. [2021-06-05 10:35:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20001 to 5942. [2021-06-05 10:35:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5940 states have (on average 2.669023569023569) internal successors, (15854), 5941 states have internal predecessors, (15854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 15854 transitions. [2021-06-05 10:35:54,553 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 15854 transitions. Word has length 114 [2021-06-05 10:35:54,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:54,553 INFO L482 AbstractCegarLoop]: Abstraction has 5942 states and 15854 transitions. [2021-06-05 10:35:54,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 15854 transitions. [2021-06-05 10:35:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:54,559 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:54,559 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:54,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-06-05 10:35:54,559 INFO L430 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:54,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1572332918, now seen corresponding path program 229 times [2021-06-05 10:35:54,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:54,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236501768] [2021-06-05 10:35:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:54,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:54,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236501768] [2021-06-05 10:35:54,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236501768] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:54,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:54,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:54,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138754851] [2021-06-05 10:35:54,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:54,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:54,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:54,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:54,864 INFO L87 Difference]: Start difference. First operand 5942 states and 15854 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:55,559 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:55,713 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:55,879 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:35:56,053 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:35:56,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:56,197 INFO L93 Difference]: Finished difference Result 19121 states and 49507 transitions. [2021-06-05 10:35:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:56,197 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:56,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:56,216 INFO L225 Difference]: With dead ends: 19121 [2021-06-05 10:35:56,216 INFO L226 Difference]: Without dead ends: 19121 [2021-06-05 10:35:56,216 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1214.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19121 states. [2021-06-05 10:35:56,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19121 to 5990. [2021-06-05 10:35:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5988 states have (on average 2.670674682698731) internal successors, (15992), 5989 states have internal predecessors, (15992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 15992 transitions. [2021-06-05 10:35:56,354 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 15992 transitions. Word has length 114 [2021-06-05 10:35:56,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:56,355 INFO L482 AbstractCegarLoop]: Abstraction has 5990 states and 15992 transitions. [2021-06-05 10:35:56,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 15992 transitions. [2021-06-05 10:35:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:56,360 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:56,360 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:56,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-06-05 10:35:56,360 INFO L430 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:56,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:56,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1820879898, now seen corresponding path program 230 times [2021-06-05 10:35:56,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:56,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940080205] [2021-06-05 10:35:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:56,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:56,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940080205] [2021-06-05 10:35:56,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940080205] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:56,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:56,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:56,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606837724] [2021-06-05 10:35:56,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:56,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:56,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:56,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:56,659 INFO L87 Difference]: Start difference. First operand 5990 states and 15992 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:57,387 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:57,545 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:35:57,705 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:57,884 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:58,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:58,031 INFO L93 Difference]: Finished difference Result 18957 states and 49105 transitions. [2021-06-05 10:35:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:58,032 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:58,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:58,049 INFO L225 Difference]: With dead ends: 18957 [2021-06-05 10:35:58,050 INFO L226 Difference]: Without dead ends: 18957 [2021-06-05 10:35:58,050 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18957 states. [2021-06-05 10:35:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18957 to 5974. [2021-06-05 10:35:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:35:58,181 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:35:58,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:58,182 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:35:58,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:35:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:35:58,187 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:58,187 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:58,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-06-05 10:35:58,187 INFO L430 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:35:58,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:58,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1317270094, now seen corresponding path program 231 times [2021-06-05 10:35:58,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:58,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229144144] [2021-06-05 10:35:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:58,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:58,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229144144] [2021-06-05 10:35:58,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229144144] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:58,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:58,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:35:58,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225428327] [2021-06-05 10:35:58,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:35:58,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:58,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:35:58,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:35:58,488 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:59,209 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:35:59,345 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:35:59,519 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:35:59,701 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:35:59,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:59,840 INFO L93 Difference]: Finished difference Result 16015 states and 41677 transitions. [2021-06-05 10:35:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:35:59,840 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:35:59,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:59,856 INFO L225 Difference]: With dead ends: 16015 [2021-06-05 10:35:59,856 INFO L226 Difference]: Without dead ends: 16015 [2021-06-05 10:35:59,857 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1202.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:35:59,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16015 states. [2021-06-05 10:35:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16015 to 5814. [2021-06-05 10:35:59,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 5812 states have (on average 2.6644872677219547) internal successors, (15486), 5813 states have internal predecessors, (15486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 15486 transitions. [2021-06-05 10:35:59,977 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 15486 transitions. Word has length 114 [2021-06-05 10:35:59,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:59,977 INFO L482 AbstractCegarLoop]: Abstraction has 5814 states and 15486 transitions. [2021-06-05 10:35:59,977 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 15486 transitions. [2021-06-05 10:36:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:00,016 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:00,016 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:00,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-06-05 10:36:00,016 INFO L430 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:00,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:00,016 INFO L82 PathProgramCache]: Analyzing trace with hash 255391690, now seen corresponding path program 232 times [2021-06-05 10:36:00,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:00,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018219599] [2021-06-05 10:36:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:00,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:00,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018219599] [2021-06-05 10:36:00,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018219599] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:00,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:00,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:00,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795300065] [2021-06-05 10:36:00,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:00,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:00,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:00,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:00,323 INFO L87 Difference]: Start difference. First operand 5814 states and 15486 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:01,045 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:01,183 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:01,357 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:01,536 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:01,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:01,684 INFO L93 Difference]: Finished difference Result 13869 states and 36203 transitions. [2021-06-05 10:36:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:01,684 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:01,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:01,698 INFO L225 Difference]: With dead ends: 13869 [2021-06-05 10:36:01,699 INFO L226 Difference]: Without dead ends: 13869 [2021-06-05 10:36:01,699 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:01,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13869 states. [2021-06-05 10:36:01,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13869 to 5974. [2021-06-05 10:36:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:36:01,811 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:36:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:01,811 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:36:01,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:36:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:01,817 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:01,817 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:01,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-06-05 10:36:01,817 INFO L430 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:01,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:01,817 INFO L82 PathProgramCache]: Analyzing trace with hash -2126338870, now seen corresponding path program 233 times [2021-06-05 10:36:01,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:01,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744986214] [2021-06-05 10:36:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:02,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:02,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744986214] [2021-06-05 10:36:02,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744986214] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:02,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:02,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:02,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719695411] [2021-06-05 10:36:02,117 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:02,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:02,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:02,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:02,117 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:02,837 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:02,998 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:03,157 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:03,366 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:03,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:03,523 INFO L93 Difference]: Finished difference Result 16493 states and 42926 transitions. [2021-06-05 10:36:03,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:03,524 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:03,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:03,540 INFO L225 Difference]: With dead ends: 16493 [2021-06-05 10:36:03,540 INFO L226 Difference]: Without dead ends: 16493 [2021-06-05 10:36:03,540 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1235.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16493 states. [2021-06-05 10:36:03,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16493 to 5990. [2021-06-05 10:36:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5988 states have (on average 2.670674682698731) internal successors, (15992), 5989 states have internal predecessors, (15992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 15992 transitions. [2021-06-05 10:36:03,661 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 15992 transitions. Word has length 114 [2021-06-05 10:36:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:03,661 INFO L482 AbstractCegarLoop]: Abstraction has 5990 states and 15992 transitions. [2021-06-05 10:36:03,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 15992 transitions. [2021-06-05 10:36:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:03,667 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:03,667 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:03,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-06-05 10:36:03,667 INFO L430 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:03,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:03,667 INFO L82 PathProgramCache]: Analyzing trace with hash 9135752, now seen corresponding path program 234 times [2021-06-05 10:36:03,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:03,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056261996] [2021-06-05 10:36:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:04,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:04,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056261996] [2021-06-05 10:36:04,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056261996] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:04,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:04,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:04,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691357] [2021-06-05 10:36:04,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:04,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:04,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:04,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:04,005 INFO L87 Difference]: Start difference. First operand 5990 states and 15992 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:04,725 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:04,886 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:05,057 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:05,235 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:05,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:05,389 INFO L93 Difference]: Finished difference Result 14773 states and 38214 transitions. [2021-06-05 10:36:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:05,390 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:05,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:05,404 INFO L225 Difference]: With dead ends: 14773 [2021-06-05 10:36:05,404 INFO L226 Difference]: Without dead ends: 14773 [2021-06-05 10:36:05,405 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1235.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14773 states. [2021-06-05 10:36:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14773 to 5942. [2021-06-05 10:36:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5940 states have (on average 2.669023569023569) internal successors, (15854), 5941 states have internal predecessors, (15854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 15854 transitions. [2021-06-05 10:36:05,523 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 15854 transitions. Word has length 114 [2021-06-05 10:36:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:05,523 INFO L482 AbstractCegarLoop]: Abstraction has 5942 states and 15854 transitions. [2021-06-05 10:36:05,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 15854 transitions. [2021-06-05 10:36:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:05,529 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:05,529 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:05,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-06-05 10:36:05,529 INFO L430 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1804592246, now seen corresponding path program 235 times [2021-06-05 10:36:05,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:05,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400335604] [2021-06-05 10:36:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:05,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:05,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400335604] [2021-06-05 10:36:05,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400335604] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:05,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:05,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:05,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160130252] [2021-06-05 10:36:05,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:05,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:05,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:05,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:05,818 INFO L87 Difference]: Start difference. First operand 5942 states and 15854 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:06,543 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:06,684 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:06,841 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:07,017 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:07,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:07,164 INFO L93 Difference]: Finished difference Result 17849 states and 46143 transitions. [2021-06-05 10:36:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:07,164 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:07,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:07,182 INFO L225 Difference]: With dead ends: 17849 [2021-06-05 10:36:07,182 INFO L226 Difference]: Without dead ends: 17849 [2021-06-05 10:36:07,182 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1194.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:07,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17849 states. [2021-06-05 10:36:07,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17849 to 5974. [2021-06-05 10:36:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:36:07,310 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:36:07,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:07,310 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:36:07,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:36:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:07,315 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:07,315 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:07,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-06-05 10:36:07,315 INFO L430 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:07,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:07,316 INFO L82 PathProgramCache]: Analyzing trace with hash 330882376, now seen corresponding path program 236 times [2021-06-05 10:36:07,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:07,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112614704] [2021-06-05 10:36:07,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:07,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:07,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112614704] [2021-06-05 10:36:07,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112614704] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:07,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:07,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:07,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854704645] [2021-06-05 10:36:07,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:07,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:07,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:07,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:07,609 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:08,330 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:08,471 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:08,639 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:08,811 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:08,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:08,960 INFO L93 Difference]: Finished difference Result 18695 states and 48003 transitions. [2021-06-05 10:36:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:08,961 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:08,979 INFO L225 Difference]: With dead ends: 18695 [2021-06-05 10:36:08,979 INFO L226 Difference]: Without dead ends: 18695 [2021-06-05 10:36:08,979 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1222.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18695 states. [2021-06-05 10:36:09,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18695 to 5958. [2021-06-05 10:36:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5956 states have (on average 2.669576897246474) internal successors, (15900), 5957 states have internal predecessors, (15900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 15900 transitions. [2021-06-05 10:36:09,114 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 15900 transitions. Word has length 114 [2021-06-05 10:36:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:09,114 INFO L482 AbstractCegarLoop]: Abstraction has 5958 states and 15900 transitions. [2021-06-05 10:36:09,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 15900 transitions. [2021-06-05 10:36:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:09,119 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:09,119 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:09,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-06-05 10:36:09,120 INFO L430 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:09,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1128745836, now seen corresponding path program 237 times [2021-06-05 10:36:09,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:09,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888048579] [2021-06-05 10:36:09,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:09,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:09,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888048579] [2021-06-05 10:36:09,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888048579] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:09,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:09,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:09,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014464502] [2021-06-05 10:36:09,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:09,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:09,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:09,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:09,415 INFO L87 Difference]: Start difference. First operand 5958 states and 15900 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:10,134 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:10,276 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:10,441 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:10,613 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:10,755 INFO L93 Difference]: Finished difference Result 17995 states and 46374 transitions. [2021-06-05 10:36:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:10,756 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:10,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:10,772 INFO L225 Difference]: With dead ends: 17995 [2021-06-05 10:36:10,772 INFO L226 Difference]: Without dead ends: 17995 [2021-06-05 10:36:10,773 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1204.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17995 states. [2021-06-05 10:36:10,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17995 to 5974. [2021-06-05 10:36:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:36:10,898 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:36:10,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:10,898 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:36:10,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:36:10,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:10,903 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:10,904 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:10,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-06-05 10:36:10,904 INFO L430 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:10,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:10,904 INFO L82 PathProgramCache]: Analyzing trace with hash 880198856, now seen corresponding path program 238 times [2021-06-05 10:36:10,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:10,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833526319] [2021-06-05 10:36:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:11,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:11,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833526319] [2021-06-05 10:36:11,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833526319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:11,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:11,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:11,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064268932] [2021-06-05 10:36:11,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:11,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:11,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:11,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:11,189 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:11,894 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:12,037 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:12,193 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:12,369 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:12,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:12,492 INFO L93 Difference]: Finished difference Result 14953 states and 38712 transitions. [2021-06-05 10:36:12,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:12,492 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:12,507 INFO L225 Difference]: With dead ends: 14953 [2021-06-05 10:36:12,507 INFO L226 Difference]: Without dead ends: 14953 [2021-06-05 10:36:12,507 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1192.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:12,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14953 states. [2021-06-05 10:36:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14953 to 5910. [2021-06-05 10:36:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.6679079214624237) internal successors, (15762), 5909 states have internal predecessors, (15762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15762 transitions. [2021-06-05 10:36:12,661 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15762 transitions. Word has length 114 [2021-06-05 10:36:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:12,662 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15762 transitions. [2021-06-05 10:36:12,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15762 transitions. [2021-06-05 10:36:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:12,666 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:12,666 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:12,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-06-05 10:36:12,667 INFO L430 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:12,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:12,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1939794420, now seen corresponding path program 239 times [2021-06-05 10:36:12,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:12,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463903802] [2021-06-05 10:36:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:12,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:12,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463903802] [2021-06-05 10:36:12,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463903802] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:12,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:12,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:12,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506449607] [2021-06-05 10:36:12,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:12,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:12,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:12,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:12,979 INFO L87 Difference]: Start difference. First operand 5910 states and 15762 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:13,707 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:13,850 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:14,013 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:14,190 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:14,349 INFO L93 Difference]: Finished difference Result 18377 states and 47613 transitions. [2021-06-05 10:36:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:14,349 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:14,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:14,366 INFO L225 Difference]: With dead ends: 18377 [2021-06-05 10:36:14,366 INFO L226 Difference]: Without dead ends: 18377 [2021-06-05 10:36:14,367 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1205.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:14,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18377 states. [2021-06-05 10:36:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18377 to 5974. [2021-06-05 10:36:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:36:14,500 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:36:14,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:14,500 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:36:14,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:36:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:14,506 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:14,506 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:14,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-06-05 10:36:14,506 INFO L430 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:14,506 INFO L82 PathProgramCache]: Analyzing trace with hash 195680202, now seen corresponding path program 240 times [2021-06-05 10:36:14,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:14,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512248693] [2021-06-05 10:36:14,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:14,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:14,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512248693] [2021-06-05 10:36:14,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512248693] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:14,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:14,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:14,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542417185] [2021-06-05 10:36:14,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:14,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:14,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:14,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:14,809 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:15,539 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:15,682 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:15,876 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:16,048 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:16,212 INFO L93 Difference]: Finished difference Result 19223 states and 49473 transitions. [2021-06-05 10:36:16,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:16,213 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:16,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:16,231 INFO L225 Difference]: With dead ends: 19223 [2021-06-05 10:36:16,231 INFO L226 Difference]: Without dead ends: 19223 [2021-06-05 10:36:16,231 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1219.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19223 states. [2021-06-05 10:36:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19223 to 5958. [2021-06-05 10:36:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5956 states have (on average 2.669576897246474) internal successors, (15900), 5957 states have internal predecessors, (15900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:16,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 15900 transitions. [2021-06-05 10:36:16,371 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 15900 transitions. Word has length 114 [2021-06-05 10:36:16,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:16,371 INFO L482 AbstractCegarLoop]: Abstraction has 5958 states and 15900 transitions. [2021-06-05 10:36:16,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 15900 transitions. [2021-06-05 10:36:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:16,376 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:16,376 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:16,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-06-05 10:36:16,376 INFO L430 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:16,376 INFO L82 PathProgramCache]: Analyzing trace with hash 993543662, now seen corresponding path program 241 times [2021-06-05 10:36:16,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:16,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683552176] [2021-06-05 10:36:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:16,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:16,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683552176] [2021-06-05 10:36:16,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683552176] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:16,666 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:16,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:16,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232280843] [2021-06-05 10:36:16,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:16,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:16,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:16,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:16,666 INFO L87 Difference]: Start difference. First operand 5958 states and 15900 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:17,371 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:17,514 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:17,681 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:17,855 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:18,016 INFO L93 Difference]: Finished difference Result 22429 states and 57587 transitions. [2021-06-05 10:36:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:18,016 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:18,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:18,038 INFO L225 Difference]: With dead ends: 22429 [2021-06-05 10:36:18,038 INFO L226 Difference]: Without dead ends: 22429 [2021-06-05 10:36:18,038 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:18,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22429 states. [2021-06-05 10:36:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22429 to 5974. [2021-06-05 10:36:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:36:18,193 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:36:18,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:18,193 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:36:18,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:36:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:18,198 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:18,198 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:18,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-06-05 10:36:18,199 INFO L430 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:18,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:18,199 INFO L82 PathProgramCache]: Analyzing trace with hash 744996682, now seen corresponding path program 242 times [2021-06-05 10:36:18,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:18,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049902547] [2021-06-05 10:36:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:18,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:18,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049902547] [2021-06-05 10:36:18,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049902547] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:18,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:18,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:18,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084034906] [2021-06-05 10:36:18,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:18,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:18,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:18,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:18,517 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:19,262 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:19,407 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:19,567 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:19,743 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:19,881 INFO L93 Difference]: Finished difference Result 19387 states and 49925 transitions. [2021-06-05 10:36:19,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:19,882 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:19,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:19,900 INFO L225 Difference]: With dead ends: 19387 [2021-06-05 10:36:19,900 INFO L226 Difference]: Without dead ends: 19387 [2021-06-05 10:36:19,900 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1256.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:19,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19387 states. [2021-06-05 10:36:20,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19387 to 5942. [2021-06-05 10:36:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5940 states have (on average 2.669023569023569) internal successors, (15854), 5941 states have internal predecessors, (15854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 15854 transitions. [2021-06-05 10:36:20,037 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 15854 transitions. Word has length 114 [2021-06-05 10:36:20,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:20,037 INFO L482 AbstractCegarLoop]: Abstraction has 5942 states and 15854 transitions. [2021-06-05 10:36:20,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 15854 transitions. [2021-06-05 10:36:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:20,042 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:20,042 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:20,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-06-05 10:36:20,042 INFO L430 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:20,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:20,042 INFO L82 PathProgramCache]: Analyzing trace with hash -275273624, now seen corresponding path program 243 times [2021-06-05 10:36:20,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:20,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844774014] [2021-06-05 10:36:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:20,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:20,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844774014] [2021-06-05 10:36:20,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844774014] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:20,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:20,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:20,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262563281] [2021-06-05 10:36:20,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:20,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:20,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:20,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:20,351 INFO L87 Difference]: Start difference. First operand 5942 states and 15854 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:21,071 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:21,231 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:21,403 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:21,600 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:21,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:21,763 INFO L93 Difference]: Finished difference Result 18507 states and 47798 transitions. [2021-06-05 10:36:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:21,763 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:21,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:21,781 INFO L225 Difference]: With dead ends: 18507 [2021-06-05 10:36:21,781 INFO L226 Difference]: Without dead ends: 18507 [2021-06-05 10:36:21,781 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:21,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18507 states. [2021-06-05 10:36:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18507 to 5990. [2021-06-05 10:36:21,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5988 states have (on average 2.670674682698731) internal successors, (15992), 5989 states have internal predecessors, (15992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 15992 transitions. [2021-06-05 10:36:21,915 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 15992 transitions. Word has length 114 [2021-06-05 10:36:21,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:21,915 INFO L482 AbstractCegarLoop]: Abstraction has 5990 states and 15992 transitions. [2021-06-05 10:36:21,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 15992 transitions. [2021-06-05 10:36:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:21,920 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:21,921 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:21,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-06-05 10:36:21,921 INFO L430 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:21,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:21,921 INFO L82 PathProgramCache]: Analyzing trace with hash -523820604, now seen corresponding path program 244 times [2021-06-05 10:36:21,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:21,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495227293] [2021-06-05 10:36:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:22,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:22,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495227293] [2021-06-05 10:36:22,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495227293] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:22,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:22,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:22,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174347667] [2021-06-05 10:36:22,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:22,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:22,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:22,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:22,263 INFO L87 Difference]: Start difference. First operand 5990 states and 15992 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:22,981 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:23,142 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:23,303 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:23,485 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:23,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:23,636 INFO L93 Difference]: Finished difference Result 18343 states and 47396 transitions. [2021-06-05 10:36:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:23,637 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:23,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:23,656 INFO L225 Difference]: With dead ends: 18343 [2021-06-05 10:36:23,656 INFO L226 Difference]: Without dead ends: 18343 [2021-06-05 10:36:23,656 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1209.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:23,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18343 states. [2021-06-05 10:36:23,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18343 to 5974. [2021-06-05 10:36:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 5972 states have (on average 2.6701272605492297) internal successors, (15946), 5973 states have internal predecessors, (15946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 15946 transitions. [2021-06-05 10:36:23,787 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 15946 transitions. Word has length 114 [2021-06-05 10:36:23,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:23,787 INFO L482 AbstractCegarLoop]: Abstraction has 5974 states and 15946 transitions. [2021-06-05 10:36:23,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 15946 transitions. [2021-06-05 10:36:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:23,793 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:23,793 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:23,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-06-05 10:36:23,793 INFO L430 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1680637908, now seen corresponding path program 245 times [2021-06-05 10:36:23,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:23,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234094841] [2021-06-05 10:36:23,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:24,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:24,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234094841] [2021-06-05 10:36:24,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234094841] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:24,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:24,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:24,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891850639] [2021-06-05 10:36:24,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:24,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:24,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:24,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:24,094 INFO L87 Difference]: Start difference. First operand 5974 states and 15946 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:24,802 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:24,938 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:25,109 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:25,289 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:25,438 INFO L93 Difference]: Finished difference Result 15401 states and 39968 transitions. [2021-06-05 10:36:25,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:25,439 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:25,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:25,453 INFO L225 Difference]: With dead ends: 15401 [2021-06-05 10:36:25,454 INFO L226 Difference]: Without dead ends: 15401 [2021-06-05 10:36:25,454 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1206.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:25,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15401 states. [2021-06-05 10:36:25,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15401 to 5846. [2021-06-05 10:36:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 5844 states have (on average 2.6656399726214923) internal successors, (15578), 5845 states have internal predecessors, (15578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 15578 transitions. [2021-06-05 10:36:25,572 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 15578 transitions. Word has length 114 [2021-06-05 10:36:25,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:25,572 INFO L482 AbstractCegarLoop]: Abstraction has 5846 states and 15578 transitions. [2021-06-05 10:36:25,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 15578 transitions. [2021-06-05 10:36:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:25,577 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:25,577 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:25,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-06-05 10:36:25,578 INFO L430 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:25,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:25,578 INFO L82 PathProgramCache]: Analyzing trace with hash 531866734, now seen corresponding path program 246 times [2021-06-05 10:36:25,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:25,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034251267] [2021-06-05 10:36:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:25,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:25,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034251267] [2021-06-05 10:36:25,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034251267] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:25,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:25,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:25,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821233638] [2021-06-05 10:36:25,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:25,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:25,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:25,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:25,864 INFO L87 Difference]: Start difference. First operand 5846 states and 15578 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:26,570 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:26,713 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:26,870 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:27,044 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:27,180 INFO L93 Difference]: Finished difference Result 13365 states and 34793 transitions. [2021-06-05 10:36:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:27,180 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:27,194 INFO L225 Difference]: With dead ends: 13365 [2021-06-05 10:36:27,195 INFO L226 Difference]: Without dead ends: 13365 [2021-06-05 10:36:27,195 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1196.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:27,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13365 states. [2021-06-05 10:36:27,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13365 to 5926. [2021-06-05 10:36:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:36:27,306 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:36:27,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:27,306 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:36:27,306 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:36:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:27,311 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:27,312 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:27,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-06-05 10:36:27,312 INFO L430 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:27,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1627625940, now seen corresponding path program 247 times [2021-06-05 10:36:27,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:27,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790197335] [2021-06-05 10:36:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:27,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:27,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790197335] [2021-06-05 10:36:27,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790197335] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:27,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:27,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:27,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850760603] [2021-06-05 10:36:27,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:27,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:27,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:27,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:27,645 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:28,354 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:28,496 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:28,683 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:28,855 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:28,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:28,988 INFO L93 Difference]: Finished difference Result 14211 states and 36653 transitions. [2021-06-05 10:36:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:28,988 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:29,002 INFO L225 Difference]: With dead ends: 14211 [2021-06-05 10:36:29,002 INFO L226 Difference]: Without dead ends: 14211 [2021-06-05 10:36:29,003 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1249.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:29,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14211 states. [2021-06-05 10:36:29,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14211 to 5910. [2021-06-05 10:36:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.6679079214624237) internal successors, (15762), 5909 states have internal predecessors, (15762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15762 transitions. [2021-06-05 10:36:29,115 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15762 transitions. Word has length 114 [2021-06-05 10:36:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:29,115 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15762 transitions. [2021-06-05 10:36:29,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15762 transitions. [2021-06-05 10:36:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:29,121 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:29,121 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:29,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-06-05 10:36:29,121 INFO L430 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:29,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:29,121 INFO L82 PathProgramCache]: Analyzing trace with hash -829762480, now seen corresponding path program 248 times [2021-06-05 10:36:29,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:29,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108595356] [2021-06-05 10:36:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:29,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:29,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108595356] [2021-06-05 10:36:29,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108595356] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:29,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:29,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:29,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897993885] [2021-06-05 10:36:29,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:29,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:29,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:29,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:29,416 INFO L87 Difference]: Start difference. First operand 5910 states and 15762 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:30,121 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:30,262 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:30,426 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:30,597 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:30,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:30,738 INFO L93 Difference]: Finished difference Result 17417 states and 44767 transitions. [2021-06-05 10:36:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:30,738 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:30,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:30,755 INFO L225 Difference]: With dead ends: 17417 [2021-06-05 10:36:30,755 INFO L226 Difference]: Without dead ends: 17417 [2021-06-05 10:36:30,755 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:30,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17417 states. [2021-06-05 10:36:30,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17417 to 5926. [2021-06-05 10:36:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:36:30,878 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:36:30,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:30,878 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:36:30,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:36:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:30,883 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:30,883 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:30,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-06-05 10:36:30,884 INFO L430 AbstractCegarLoop]: === Iteration 255 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:30,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:30,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1078309460, now seen corresponding path program 249 times [2021-06-05 10:36:30,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:30,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604882991] [2021-06-05 10:36:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:31,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:31,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604882991] [2021-06-05 10:36:31,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604882991] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:31,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:31,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:31,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784373604] [2021-06-05 10:36:31,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:31,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:31,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:31,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:31,174 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:31,918 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:32,061 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:32,218 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:32,393 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:32,524 INFO L93 Difference]: Finished difference Result 14375 states and 37105 transitions. [2021-06-05 10:36:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:32,524 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:32,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:32,539 INFO L225 Difference]: With dead ends: 14375 [2021-06-05 10:36:32,539 INFO L226 Difference]: Without dead ends: 14375 [2021-06-05 10:36:32,539 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1211.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14375 states. [2021-06-05 10:36:32,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14375 to 5894. [2021-06-05 10:36:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5894 states, 5892 states have (on average 2.6673455532926003) internal successors, (15716), 5893 states have internal predecessors, (15716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:32,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 15716 transitions. [2021-06-05 10:36:32,649 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 15716 transitions. Word has length 114 [2021-06-05 10:36:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:32,649 INFO L482 AbstractCegarLoop]: Abstraction has 5894 states and 15716 transitions. [2021-06-05 10:36:32,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 15716 transitions. [2021-06-05 10:36:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:32,655 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:32,656 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:32,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-06-05 10:36:32,656 INFO L430 AbstractCegarLoop]: === Iteration 256 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:32,656 INFO L82 PathProgramCache]: Analyzing trace with hash -2098579766, now seen corresponding path program 250 times [2021-06-05 10:36:32,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:32,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76738440] [2021-06-05 10:36:32,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:32,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:32,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76738440] [2021-06-05 10:36:32,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76738440] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:32,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:32,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:32,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260181264] [2021-06-05 10:36:32,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:32,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:32,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:32,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:32,964 INFO L87 Difference]: Start difference. First operand 5894 states and 15716 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:33,715 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:33,875 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:34,046 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:34,223 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:34,384 INFO L93 Difference]: Finished difference Result 17897 states and 46099 transitions. [2021-06-05 10:36:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:34,385 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:34,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:34,403 INFO L225 Difference]: With dead ends: 17897 [2021-06-05 10:36:34,403 INFO L226 Difference]: Without dead ends: 17897 [2021-06-05 10:36:34,404 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1253.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:34,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17897 states. [2021-06-05 10:36:34,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17897 to 5942. [2021-06-05 10:36:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 5940 states have (on average 2.669023569023569) internal successors, (15854), 5941 states have internal predecessors, (15854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 15854 transitions. [2021-06-05 10:36:34,535 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 15854 transitions. Word has length 114 [2021-06-05 10:36:34,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:34,535 INFO L482 AbstractCegarLoop]: Abstraction has 5942 states and 15854 transitions. [2021-06-05 10:36:34,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 15854 transitions. [2021-06-05 10:36:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:34,541 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:34,541 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:34,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-06-05 10:36:34,541 INFO L430 AbstractCegarLoop]: === Iteration 257 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:34,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1947840550, now seen corresponding path program 251 times [2021-06-05 10:36:34,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:34,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638317821] [2021-06-05 10:36:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:34,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:34,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638317821] [2021-06-05 10:36:34,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638317821] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:34,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:34,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:34,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143089348] [2021-06-05 10:36:34,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:34,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:34,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:34,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:34,871 INFO L87 Difference]: Start difference. First operand 5942 states and 15854 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:35,557 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:35,714 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:35,873 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:36,049 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:36,188 INFO L93 Difference]: Finished difference Result 17733 states and 45697 transitions. [2021-06-05 10:36:36,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:36,189 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:36,206 INFO L225 Difference]: With dead ends: 17733 [2021-06-05 10:36:36,207 INFO L226 Difference]: Without dead ends: 17733 [2021-06-05 10:36:36,207 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1202.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17733 states. [2021-06-05 10:36:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17733 to 5926. [2021-06-05 10:36:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:36:36,337 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:36:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:36,337 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:36:36,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:36:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:36,342 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:36,342 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:36,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-06-05 10:36:36,343 INFO L430 AbstractCegarLoop]: === Iteration 258 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:36,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:36,343 INFO L82 PathProgramCache]: Analyzing trace with hash 791023246, now seen corresponding path program 252 times [2021-06-05 10:36:36,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:36,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343175832] [2021-06-05 10:36:36,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:36,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:36,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343175832] [2021-06-05 10:36:36,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343175832] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:36,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:36,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:36,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521599238] [2021-06-05 10:36:36,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:36,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:36,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:36,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:36,639 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:37,352 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:37,489 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:37,666 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:37,847 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:37,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:37,989 INFO L93 Difference]: Finished difference Result 14791 states and 38269 transitions. [2021-06-05 10:36:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:37,990 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:37,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:38,005 INFO L225 Difference]: With dead ends: 14791 [2021-06-05 10:36:38,005 INFO L226 Difference]: Without dead ends: 14791 [2021-06-05 10:36:38,006 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:38,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14791 states. [2021-06-05 10:36:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14791 to 5862. [2021-06-05 10:36:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5862 states, 5860 states have (on average 2.666211604095563) internal successors, (15624), 5861 states have internal predecessors, (15624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5862 states to 5862 states and 15624 transitions. [2021-06-05 10:36:38,134 INFO L78 Accepts]: Start accepts. Automaton has 5862 states and 15624 transitions. Word has length 114 [2021-06-05 10:36:38,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:38,134 INFO L482 AbstractCegarLoop]: Abstraction has 5862 states and 15624 transitions. [2021-06-05 10:36:38,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5862 states and 15624 transitions. [2021-06-05 10:36:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:38,139 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:38,139 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:38,139 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-06-05 10:36:38,139 INFO L430 AbstractCegarLoop]: === Iteration 259 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:38,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:38,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1694220184, now seen corresponding path program 253 times [2021-06-05 10:36:38,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:38,140 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267089702] [2021-06-05 10:36:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:38,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:38,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267089702] [2021-06-05 10:36:38,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267089702] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:38,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:38,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:38,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764663659] [2021-06-05 10:36:38,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:38,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:38,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:38,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:38,454 INFO L87 Difference]: Start difference. First operand 5862 states and 15624 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:39,156 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:39,316 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:39,486 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:39,663 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:39,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:39,810 INFO L93 Difference]: Finished difference Result 13463 states and 34886 transitions. [2021-06-05 10:36:39,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:39,810 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:39,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:39,823 INFO L225 Difference]: With dead ends: 13463 [2021-06-05 10:36:39,824 INFO L226 Difference]: Without dead ends: 13463 [2021-06-05 10:36:39,824 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1220.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:39,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2021-06-05 10:36:39,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 5926. [2021-06-05 10:36:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5924 states have (on average 2.6684672518568533) internal successors, (15808), 5925 states have internal predecessors, (15808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 15808 transitions. [2021-06-05 10:36:39,932 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 15808 transitions. Word has length 114 [2021-06-05 10:36:39,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:39,932 INFO L482 AbstractCegarLoop]: Abstraction has 5926 states and 15808 transitions. [2021-06-05 10:36:39,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 15808 transitions. [2021-06-05 10:36:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:39,937 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:39,937 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:39,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-06-05 10:36:39,937 INFO L430 AbstractCegarLoop]: === Iteration 260 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:39,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:39,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1942767164, now seen corresponding path program 254 times [2021-06-05 10:36:39,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:39,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837369600] [2021-06-05 10:36:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:40,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:40,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837369600] [2021-06-05 10:36:40,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837369600] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:40,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:40,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:40,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080864561] [2021-06-05 10:36:40,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:40,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:40,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:40,244 INFO L87 Difference]: Start difference. First operand 5926 states and 15808 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:40,946 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:41,104 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:41,283 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:41,461 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:41,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:41,592 INFO L93 Difference]: Finished difference Result 13299 states and 34484 transitions. [2021-06-05 10:36:41,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:41,592 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:41,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:41,605 INFO L225 Difference]: With dead ends: 13299 [2021-06-05 10:36:41,605 INFO L226 Difference]: Without dead ends: 13299 [2021-06-05 10:36:41,605 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1209.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13299 states. [2021-06-05 10:36:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13299 to 5910. [2021-06-05 10:36:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5908 states have (on average 2.6679079214624237) internal successors, (15762), 5909 states have internal predecessors, (15762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 15762 transitions. [2021-06-05 10:36:41,709 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 15762 transitions. Word has length 114 [2021-06-05 10:36:41,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:41,709 INFO L482 AbstractCegarLoop]: Abstraction has 5910 states and 15762 transitions. [2021-06-05 10:36:41,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 15762 transitions. [2021-06-05 10:36:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:41,714 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:41,714 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:41,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-06-05 10:36:41,715 INFO L430 AbstractCegarLoop]: === Iteration 261 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:41,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:41,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1195382828, now seen corresponding path program 255 times [2021-06-05 10:36:41,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:41,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203546918] [2021-06-05 10:36:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:42,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:42,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203546918] [2021-06-05 10:36:42,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203546918] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:42,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:42,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:42,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805734945] [2021-06-05 10:36:42,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:42,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:42,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:42,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:42,024 INFO L87 Difference]: Start difference. First operand 5910 states and 15762 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:42,709 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:42,843 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:43,014 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:43,193 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:43,321 INFO L93 Difference]: Finished difference Result 13587 states and 35312 transitions. [2021-06-05 10:36:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:43,321 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:43,334 INFO L225 Difference]: With dead ends: 13587 [2021-06-05 10:36:43,335 INFO L226 Difference]: Without dead ends: 13587 [2021-06-05 10:36:43,335 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1198.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:43,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13587 states. [2021-06-05 10:36:43,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13587 to 5878. [2021-06-05 10:36:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 5876 states have (on average 2.666780122532335) internal successors, (15670), 5877 states have internal predecessors, (15670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 15670 transitions. [2021-06-05 10:36:43,441 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 15670 transitions. Word has length 114 [2021-06-05 10:36:43,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:43,441 INFO L482 AbstractCegarLoop]: Abstraction has 5878 states and 15670 transitions. [2021-06-05 10:36:43,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 15670 transitions. [2021-06-05 10:36:43,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:43,447 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:43,447 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:43,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-06-05 10:36:43,447 INFO L430 AbstractCegarLoop]: === Iteration 262 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:43,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:43,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1391401330, now seen corresponding path program 256 times [2021-06-05 10:36:43,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:43,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892312674] [2021-06-05 10:36:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:43,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:43,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892312674] [2021-06-05 10:36:43,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892312674] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:43,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:43,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:43,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404176454] [2021-06-05 10:36:43,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:43,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:43,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:43,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:43,763 INFO L87 Difference]: Start difference. First operand 5878 states and 15670 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:44,598 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:44,767 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:44,944 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:45,060 INFO L93 Difference]: Finished difference Result 10229 states and 26720 transitions. [2021-06-05 10:36:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:45,061 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:45,070 INFO L225 Difference]: With dead ends: 10229 [2021-06-05 10:36:45,070 INFO L226 Difference]: Without dead ends: 10229 [2021-06-05 10:36:45,071 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1196.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:45,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10229 states. [2021-06-05 10:36:45,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10229 to 5806. [2021-06-05 10:36:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 5804 states have (on average 2.662646450723639) internal successors, (15454), 5805 states have internal predecessors, (15454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 15454 transitions. [2021-06-05 10:36:45,163 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 15454 transitions. Word has length 114 [2021-06-05 10:36:45,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:45,163 INFO L482 AbstractCegarLoop]: Abstraction has 5806 states and 15454 transitions. [2021-06-05 10:36:45,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 15454 transitions. [2021-06-05 10:36:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:45,169 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:45,169 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:45,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-06-05 10:36:45,169 INFO L430 AbstractCegarLoop]: === Iteration 263 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:45,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:45,169 INFO L82 PathProgramCache]: Analyzing trace with hash -384338392, now seen corresponding path program 257 times [2021-06-05 10:36:45,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:45,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662370840] [2021-06-05 10:36:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:45,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:45,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662370840] [2021-06-05 10:36:45,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662370840] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:45,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:45,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:45,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826803849] [2021-06-05 10:36:45,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:45,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:45,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:45,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:45,472 INFO L87 Difference]: Start difference. First operand 5806 states and 15454 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:46,156 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:46,288 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:46,455 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:46,632 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:46,768 INFO L93 Difference]: Finished difference Result 13672 states and 35556 transitions. [2021-06-05 10:36:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:46,769 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:46,782 INFO L225 Difference]: With dead ends: 13672 [2021-06-05 10:36:46,782 INFO L226 Difference]: Without dead ends: 13672 [2021-06-05 10:36:46,782 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1192.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13672 states. [2021-06-05 10:36:46,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13672 to 5870. [2021-06-05 10:36:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5870 states, 5868 states have (on average 2.664962508520791) internal successors, (15638), 5869 states have internal predecessors, (15638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5870 states to 5870 states and 15638 transitions. [2021-06-05 10:36:46,897 INFO L78 Accepts]: Start accepts. Automaton has 5870 states and 15638 transitions. Word has length 114 [2021-06-05 10:36:46,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:46,897 INFO L482 AbstractCegarLoop]: Abstraction has 5870 states and 15638 transitions. [2021-06-05 10:36:46,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5870 states and 15638 transitions. [2021-06-05 10:36:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:46,902 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:46,902 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:46,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-06-05 10:36:46,903 INFO L430 AbstractCegarLoop]: === Iteration 264 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:46,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:46,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1528898344, now seen corresponding path program 258 times [2021-06-05 10:36:46,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:46,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394993840] [2021-06-05 10:36:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:47,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:47,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394993840] [2021-06-05 10:36:47,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394993840] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:47,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:47,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:47,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696650530] [2021-06-05 10:36:47,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:47,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:47,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:47,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:47,204 INFO L87 Difference]: Start difference. First operand 5870 states and 15638 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:47,928 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:48,087 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:48,243 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:48,423 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:48,570 INFO L93 Difference]: Finished difference Result 16296 states and 42279 transitions. [2021-06-05 10:36:48,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:48,570 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:48,587 INFO L225 Difference]: With dead ends: 16296 [2021-06-05 10:36:48,587 INFO L226 Difference]: Without dead ends: 16296 [2021-06-05 10:36:48,587 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1225.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16296 states. [2021-06-05 10:36:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16296 to 5886. [2021-06-05 10:36:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5886 states, 5884 states have (on average 2.665533650577838) internal successors, (15684), 5885 states have internal predecessors, (15684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 5886 states and 15684 transitions. [2021-06-05 10:36:48,714 INFO L78 Accepts]: Start accepts. Automaton has 5886 states and 15684 transitions. Word has length 114 [2021-06-05 10:36:48,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:48,714 INFO L482 AbstractCegarLoop]: Abstraction has 5886 states and 15684 transitions. [2021-06-05 10:36:48,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5886 states and 15684 transitions. [2021-06-05 10:36:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:48,719 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:48,719 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:48,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-06-05 10:36:48,720 INFO L430 AbstractCegarLoop]: === Iteration 265 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:48,720 INFO L82 PathProgramCache]: Analyzing trace with hash -630594330, now seen corresponding path program 259 times [2021-06-05 10:36:48,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:48,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653151757] [2021-06-05 10:36:48,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:49,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:49,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653151757] [2021-06-05 10:36:49,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653151757] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:49,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:49,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:49,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345753308] [2021-06-05 10:36:49,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:49,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:49,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:49,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:49,024 INFO L87 Difference]: Start difference. First operand 5886 states and 15684 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:49,730 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:49,887 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:50,055 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:50,233 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:50,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:50,379 INFO L93 Difference]: Finished difference Result 14576 states and 37567 transitions. [2021-06-05 10:36:50,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:50,380 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:50,393 INFO L225 Difference]: With dead ends: 14576 [2021-06-05 10:36:50,394 INFO L226 Difference]: Without dead ends: 14576 [2021-06-05 10:36:50,394 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14576 states. [2021-06-05 10:36:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14576 to 5838. [2021-06-05 10:36:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5838 states, 5836 states have (on average 2.6638108293351612) internal successors, (15546), 5837 states have internal predecessors, (15546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 15546 transitions. [2021-06-05 10:36:50,504 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 15546 transitions. Word has length 114 [2021-06-05 10:36:50,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:50,504 INFO L482 AbstractCegarLoop]: Abstraction has 5838 states and 15546 transitions. [2021-06-05 10:36:50,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 15546 transitions. [2021-06-05 10:36:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:50,541 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:50,541 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:50,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-06-05 10:36:50,541 INFO L430 AbstractCegarLoop]: === Iteration 266 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:50,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:50,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1850644968, now seen corresponding path program 260 times [2021-06-05 10:36:50,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:50,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244916668] [2021-06-05 10:36:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:50,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:50,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244916668] [2021-06-05 10:36:50,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244916668] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:50,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:50,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:50,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316072289] [2021-06-05 10:36:50,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:50,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:50,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:50,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:50,861 INFO L87 Difference]: Start difference. First operand 5838 states and 15546 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:51,551 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:51,692 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:51,848 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:52,024 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:52,154 INFO L93 Difference]: Finished difference Result 13776 states and 35714 transitions. [2021-06-05 10:36:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:52,155 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:52,168 INFO L225 Difference]: With dead ends: 13776 [2021-06-05 10:36:52,168 INFO L226 Difference]: Without dead ends: 13776 [2021-06-05 10:36:52,168 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1206.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:52,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13776 states. [2021-06-05 10:36:52,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13776 to 5870. [2021-06-05 10:36:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5870 states, 5868 states have (on average 2.664962508520791) internal successors, (15638), 5869 states have internal predecessors, (15638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5870 states to 5870 states and 15638 transitions. [2021-06-05 10:36:52,279 INFO L78 Accepts]: Start accepts. Automaton has 5870 states and 15638 transitions. Word has length 114 [2021-06-05 10:36:52,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:52,279 INFO L482 AbstractCegarLoop]: Abstraction has 5870 states and 15638 transitions. [2021-06-05 10:36:52,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5870 states and 15638 transitions. [2021-06-05 10:36:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:52,284 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:52,284 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:52,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-06-05 10:36:52,284 INFO L430 AbstractCegarLoop]: === Iteration 267 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:52,285 INFO L82 PathProgramCache]: Analyzing trace with hash -308847706, now seen corresponding path program 261 times [2021-06-05 10:36:52,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:52,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418439384] [2021-06-05 10:36:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:52,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:52,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418439384] [2021-06-05 10:36:52,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418439384] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:52,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:52,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:52,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384590931] [2021-06-05 10:36:52,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:52,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:52,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:52,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:52,576 INFO L87 Difference]: Start difference. First operand 5870 states and 15638 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:53,268 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:53,409 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:53,575 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:53,746 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:53,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:53,894 INFO L93 Difference]: Finished difference Result 14622 states and 37574 transitions. [2021-06-05 10:36:53,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:53,894 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:53,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:53,908 INFO L225 Difference]: With dead ends: 14622 [2021-06-05 10:36:53,908 INFO L226 Difference]: Without dead ends: 14622 [2021-06-05 10:36:53,909 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1206.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:53,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2021-06-05 10:36:54,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 5854. [2021-06-05 10:36:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5854 states, 5852 states have (on average 2.664388243335612) internal successors, (15592), 5853 states have internal predecessors, (15592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5854 states to 5854 states and 15592 transitions. [2021-06-05 10:36:54,021 INFO L78 Accepts]: Start accepts. Automaton has 5854 states and 15592 transitions. Word has length 114 [2021-06-05 10:36:54,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:54,022 INFO L482 AbstractCegarLoop]: Abstraction has 5854 states and 15592 transitions. [2021-06-05 10:36:54,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5854 states and 15592 transitions. [2021-06-05 10:36:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:54,027 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:54,027 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:54,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2021-06-05 10:36:54,027 INFO L430 AbstractCegarLoop]: === Iteration 268 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:54,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:54,027 INFO L82 PathProgramCache]: Analyzing trace with hash 489015754, now seen corresponding path program 262 times [2021-06-05 10:36:54,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:54,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848202430] [2021-06-05 10:36:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:54,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:54,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848202430] [2021-06-05 10:36:54,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848202430] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:54,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:54,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:54,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970035715] [2021-06-05 10:36:54,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:54,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:54,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:54,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:54,316 INFO L87 Difference]: Start difference. First operand 5854 states and 15592 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:55,008 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:55,151 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:55,319 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:36:55,494 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:36:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:55,625 INFO L93 Difference]: Finished difference Result 13922 states and 35945 transitions. [2021-06-05 10:36:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:55,625 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:55,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:55,639 INFO L225 Difference]: With dead ends: 13922 [2021-06-05 10:36:55,639 INFO L226 Difference]: Without dead ends: 13922 [2021-06-05 10:36:55,639 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13922 states. [2021-06-05 10:36:55,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13922 to 5870. [2021-06-05 10:36:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5870 states, 5868 states have (on average 2.664962508520791) internal successors, (15638), 5869 states have internal predecessors, (15638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5870 states to 5870 states and 15638 transitions. [2021-06-05 10:36:55,752 INFO L78 Accepts]: Start accepts. Automaton has 5870 states and 15638 transitions. Word has length 114 [2021-06-05 10:36:55,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:55,753 INFO L482 AbstractCegarLoop]: Abstraction has 5870 states and 15638 transitions. [2021-06-05 10:36:55,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 5870 states and 15638 transitions. [2021-06-05 10:36:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:55,758 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:55,758 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:55,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2021-06-05 10:36:55,758 INFO L430 AbstractCegarLoop]: === Iteration 269 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:55,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:55,758 INFO L82 PathProgramCache]: Analyzing trace with hash 240468774, now seen corresponding path program 263 times [2021-06-05 10:36:55,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:55,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932654178] [2021-06-05 10:36:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:56,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:56,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932654178] [2021-06-05 10:36:56,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932654178] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:56,043 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:56,043 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:56,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009616368] [2021-06-05 10:36:56,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:56,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:56,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:56,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:56,044 INFO L87 Difference]: Start difference. First operand 5870 states and 15638 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:56,741 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:36:56,903 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:36:57,059 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:57,234 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:57,355 INFO L93 Difference]: Finished difference Result 11180 states and 29033 transitions. [2021-06-05 10:36:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:57,356 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:57,366 INFO L225 Difference]: With dead ends: 11180 [2021-06-05 10:36:57,366 INFO L226 Difference]: Without dead ends: 11180 [2021-06-05 10:36:57,367 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11180 states. [2021-06-05 10:36:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11180 to 5806. [2021-06-05 10:36:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 5804 states have (on average 2.662646450723639) internal successors, (15454), 5805 states have internal predecessors, (15454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 15454 transitions. [2021-06-05 10:36:57,464 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 15454 transitions. Word has length 114 [2021-06-05 10:36:57,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:57,464 INFO L482 AbstractCegarLoop]: Abstraction has 5806 states and 15454 transitions. [2021-06-05 10:36:57,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 15454 transitions. [2021-06-05 10:36:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:57,469 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:57,469 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:57,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2021-06-05 10:36:57,470 INFO L430 AbstractCegarLoop]: === Iteration 270 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:57,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:57,470 INFO L82 PathProgramCache]: Analyzing trace with hash -479016630, now seen corresponding path program 264 times [2021-06-05 10:36:57,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:57,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249014756] [2021-06-05 10:36:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:57,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:57,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249014756] [2021-06-05 10:36:57,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249014756] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:57,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:57,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:57,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514432352] [2021-06-05 10:36:57,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:57,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:57,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:57,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:57,805 INFO L87 Difference]: Start difference. First operand 5806 states and 15454 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:58,516 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:36:58,653 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:36:58,830 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:36:59,013 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:36:59,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:59,158 INFO L93 Difference]: Finished difference Result 12372 states and 32425 transitions. [2021-06-05 10:36:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:36:59,159 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:36:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:59,172 INFO L225 Difference]: With dead ends: 12372 [2021-06-05 10:36:59,172 INFO L226 Difference]: Without dead ends: 12372 [2021-06-05 10:36:59,172 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1217.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:36:59,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12372 states. [2021-06-05 10:36:59,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12372 to 5838. [2021-06-05 10:36:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5838 states, 5836 states have (on average 2.6638108293351612) internal successors, (15546), 5837 states have internal predecessors, (15546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 15546 transitions. [2021-06-05 10:36:59,279 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 15546 transitions. Word has length 114 [2021-06-05 10:36:59,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:59,279 INFO L482 AbstractCegarLoop]: Abstraction has 5838 states and 15546 transitions. [2021-06-05 10:36:59,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 15546 transitions. [2021-06-05 10:36:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:36:59,285 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:59,285 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:59,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2021-06-05 10:36:59,285 INFO L430 AbstractCegarLoop]: === Iteration 271 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:36:59,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:59,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1434220106, now seen corresponding path program 265 times [2021-06-05 10:36:59,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:59,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335338971] [2021-06-05 10:36:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:59,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:59,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335338971] [2021-06-05 10:36:59,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335338971] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:59,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:59,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:36:59,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168447306] [2021-06-05 10:36:59,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:36:59,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:59,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:36:59,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:36:59,600 INFO L87 Difference]: Start difference. First operand 5838 states and 15546 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:00,082 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-06-05 10:37:00,319 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:00,476 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:00,633 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:00,811 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:00,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:00,944 INFO L93 Difference]: Finished difference Result 12448 states and 32561 transitions. [2021-06-05 10:37:00,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:00,944 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:00,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:00,957 INFO L225 Difference]: With dead ends: 12448 [2021-06-05 10:37:00,957 INFO L226 Difference]: Without dead ends: 12448 [2021-06-05 10:37:00,957 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1250.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:00,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12448 states. [2021-06-05 10:37:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12448 to 5854. [2021-06-05 10:37:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5854 states, 5852 states have (on average 2.664388243335612) internal successors, (15592), 5853 states have internal predecessors, (15592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5854 states to 5854 states and 15592 transitions. [2021-06-05 10:37:01,065 INFO L78 Accepts]: Start accepts. Automaton has 5854 states and 15592 transitions. Word has length 114 [2021-06-05 10:37:01,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:01,065 INFO L482 AbstractCegarLoop]: Abstraction has 5854 states and 15592 transitions. [2021-06-05 10:37:01,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 5854 states and 15592 transitions. [2021-06-05 10:37:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:01,070 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:01,070 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:01,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-06-05 10:37:01,071 INFO L430 AbstractCegarLoop]: === Iteration 272 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:01,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:01,071 INFO L82 PathProgramCache]: Analyzing trace with hash -725272568, now seen corresponding path program 266 times [2021-06-05 10:37:01,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:01,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008240316] [2021-06-05 10:37:01,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:01,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:01,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008240316] [2021-06-05 10:37:01,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008240316] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:01,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:01,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:01,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273813851] [2021-06-05 10:37:01,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:01,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:01,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:01,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:01,387 INFO L87 Difference]: Start difference. First operand 5854 states and 15592 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:02,076 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:02,233 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:02,402 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:02,576 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:02,702 INFO L93 Difference]: Finished difference Result 11832 states and 30587 transitions. [2021-06-05 10:37:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:02,702 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:02,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:02,714 INFO L225 Difference]: With dead ends: 11832 [2021-06-05 10:37:02,714 INFO L226 Difference]: Without dead ends: 11832 [2021-06-05 10:37:02,714 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1232.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11832 states. [2021-06-05 10:37:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11832 to 5806. [2021-06-05 10:37:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 5804 states have (on average 2.662646450723639) internal successors, (15454), 5805 states have internal predecessors, (15454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 15454 transitions. [2021-06-05 10:37:02,813 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 15454 transitions. Word has length 114 [2021-06-05 10:37:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:02,813 INFO L482 AbstractCegarLoop]: Abstraction has 5806 states and 15454 transitions. [2021-06-05 10:37:02,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 15454 transitions. [2021-06-05 10:37:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:02,818 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:02,818 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:02,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-06-05 10:37:02,818 INFO L430 AbstractCegarLoop]: === Iteration 273 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:02,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:02,819 INFO L82 PathProgramCache]: Analyzing trace with hash -857833944, now seen corresponding path program 267 times [2021-06-05 10:37:02,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:02,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421788445] [2021-06-05 10:37:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:03,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:03,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421788445] [2021-06-05 10:37:03,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421788445] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:03,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:03,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:03,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804160371] [2021-06-05 10:37:03,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:03,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:03,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:03,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:03,171 INFO L87 Difference]: Start difference. First operand 5806 states and 15454 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:04,007 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:37:04,184 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:04,365 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:04,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:04,498 INFO L93 Difference]: Finished difference Result 8592 states and 22340 transitions. [2021-06-05 10:37:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:04,498 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:04,507 INFO L225 Difference]: With dead ends: 8592 [2021-06-05 10:37:04,507 INFO L226 Difference]: Without dead ends: 8592 [2021-06-05 10:37:04,507 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1209.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2021-06-05 10:37:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 5682. [2021-06-05 10:37:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5682 states, 5680 states have (on average 2.6580985915492956) internal successors, (15098), 5681 states have internal predecessors, (15098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5682 states to 5682 states and 15098 transitions. [2021-06-05 10:37:04,595 INFO L78 Accepts]: Start accepts. Automaton has 5682 states and 15098 transitions. Word has length 114 [2021-06-05 10:37:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:04,595 INFO L482 AbstractCegarLoop]: Abstraction has 5682 states and 15098 transitions. [2021-06-05 10:37:04,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5682 states and 15098 transitions. [2021-06-05 10:37:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:04,601 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:04,601 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:04,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-06-05 10:37:04,601 INFO L430 AbstractCegarLoop]: === Iteration 274 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:04,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:04,601 INFO L82 PathProgramCache]: Analyzing trace with hash 453682248, now seen corresponding path program 268 times [2021-06-05 10:37:04,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:04,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273584562] [2021-06-05 10:37:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:04,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:04,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273584562] [2021-06-05 10:37:04,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273584562] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:04,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:04,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:04,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187542278] [2021-06-05 10:37:04,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:04,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:04,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:04,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:04,905 INFO L87 Difference]: Start difference. First operand 5682 states and 15098 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:05,624 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:05,761 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:37:05,936 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:06,119 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:06,266 INFO L93 Difference]: Finished difference Result 13092 states and 33832 transitions. [2021-06-05 10:37:06,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:06,266 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:06,280 INFO L225 Difference]: With dead ends: 13092 [2021-06-05 10:37:06,280 INFO L226 Difference]: Without dead ends: 13092 [2021-06-05 10:37:06,280 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1205.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13092 states. [2021-06-05 10:37:06,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13092 to 5810. [2021-06-05 10:37:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:06,389 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:06,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:06,389 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:06,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:06,394 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:06,394 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:06,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-06-05 10:37:06,395 INFO L430 AbstractCegarLoop]: === Iteration 275 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:06,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1928048312, now seen corresponding path program 269 times [2021-06-05 10:37:06,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:06,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680998468] [2021-06-05 10:37:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:06,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:06,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680998468] [2021-06-05 10:37:06,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680998468] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:06,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:06,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:06,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359475327] [2021-06-05 10:37:06,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:06,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:06,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:06,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:06,726 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:07,446 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:07,607 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:07,766 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:07,951 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:08,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:08,101 INFO L93 Difference]: Finished difference Result 15716 states and 40555 transitions. [2021-06-05 10:37:08,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:08,102 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:08,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:08,118 INFO L225 Difference]: With dead ends: 15716 [2021-06-05 10:37:08,118 INFO L226 Difference]: Without dead ends: 15716 [2021-06-05 10:37:08,118 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:08,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15716 states. [2021-06-05 10:37:08,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15716 to 5826. [2021-06-05 10:37:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.6634615384615383) internal successors, (15512), 5825 states have internal predecessors, (15512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15512 transitions. [2021-06-05 10:37:08,243 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15512 transitions. Word has length 114 [2021-06-05 10:37:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:08,243 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15512 transitions. [2021-06-05 10:37:08,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15512 transitions. [2021-06-05 10:37:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:08,248 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:08,249 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:08,249 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-06-05 10:37:08,249 INFO L430 AbstractCegarLoop]: === Iteration 276 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:08,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:08,249 INFO L82 PathProgramCache]: Analyzing trace with hash 207426310, now seen corresponding path program 270 times [2021-06-05 10:37:08,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:08,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89159373] [2021-06-05 10:37:08,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:08,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:08,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89159373] [2021-06-05 10:37:08,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89159373] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:08,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:08,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:08,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95923779] [2021-06-05 10:37:08,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:08,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:08,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:08,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:08,573 INFO L87 Difference]: Start difference. First operand 5826 states and 15512 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:09,289 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:09,448 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:09,621 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:09,823 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:09,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:09,967 INFO L93 Difference]: Finished difference Result 13996 states and 35843 transitions. [2021-06-05 10:37:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:09,980 INFO L225 Difference]: With dead ends: 13996 [2021-06-05 10:37:09,980 INFO L226 Difference]: Without dead ends: 13996 [2021-06-05 10:37:09,981 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1243.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:10,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13996 states. [2021-06-05 10:37:10,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13996 to 5778. [2021-06-05 10:37:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5778 states, 5776 states have (on average 2.6617036011080333) internal successors, (15374), 5777 states have internal predecessors, (15374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 15374 transitions. [2021-06-05 10:37:10,085 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 15374 transitions. Word has length 114 [2021-06-05 10:37:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:10,085 INFO L482 AbstractCegarLoop]: Abstraction has 5778 states and 15374 transitions. [2021-06-05 10:37:10,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 15374 transitions. [2021-06-05 10:37:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:10,090 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:10,090 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:10,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2021-06-05 10:37:10,091 INFO L430 AbstractCegarLoop]: === Iteration 277 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:10,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:10,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1606301688, now seen corresponding path program 271 times [2021-06-05 10:37:10,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:10,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352275864] [2021-06-05 10:37:10,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:10,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:10,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352275864] [2021-06-05 10:37:10,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352275864] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:10,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:10,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:10,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374536836] [2021-06-05 10:37:10,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:10,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:10,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:10,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:10,409 INFO L87 Difference]: Start difference. First operand 5778 states and 15374 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:11,125 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:11,268 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:11,428 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:11,606 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:11,761 INFO L93 Difference]: Finished difference Result 17072 states and 43772 transitions. [2021-06-05 10:37:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:11,761 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:11,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:11,777 INFO L225 Difference]: With dead ends: 17072 [2021-06-05 10:37:11,777 INFO L226 Difference]: Without dead ends: 17072 [2021-06-05 10:37:11,777 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1196.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17072 states. [2021-06-05 10:37:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17072 to 5810. [2021-06-05 10:37:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:11,903 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:11,903 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:11,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:11,908 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:11,908 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:11,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2021-06-05 10:37:11,909 INFO L430 AbstractCegarLoop]: === Iteration 278 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:11,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:11,909 INFO L82 PathProgramCache]: Analyzing trace with hash 529172934, now seen corresponding path program 272 times [2021-06-05 10:37:11,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:11,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165500963] [2021-06-05 10:37:11,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:12,197 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:12,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165500963] [2021-06-05 10:37:12,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165500963] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:12,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:12,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:12,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867223505] [2021-06-05 10:37:12,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:12,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:12,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:12,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:12,197 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:12,915 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:13,054 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:13,222 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:13,393 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:13,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:13,535 INFO L93 Difference]: Finished difference Result 17918 states and 45632 transitions. [2021-06-05 10:37:13,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:13,535 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:13,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:13,552 INFO L225 Difference]: With dead ends: 17918 [2021-06-05 10:37:13,552 INFO L226 Difference]: Without dead ends: 17918 [2021-06-05 10:37:13,552 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1219.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:13,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17918 states. [2021-06-05 10:37:13,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17918 to 5794. [2021-06-05 10:37:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5792 states have (on average 2.662292817679558) internal successors, (15420), 5793 states have internal predecessors, (15420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 15420 transitions. [2021-06-05 10:37:13,704 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 15420 transitions. Word has length 114 [2021-06-05 10:37:13,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:13,704 INFO L482 AbstractCegarLoop]: Abstraction has 5794 states and 15420 transitions. [2021-06-05 10:37:13,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 15420 transitions. [2021-06-05 10:37:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:13,708 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:13,708 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:13,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2021-06-05 10:37:13,709 INFO L430 AbstractCegarLoop]: === Iteration 279 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:13,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:13,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1327036394, now seen corresponding path program 273 times [2021-06-05 10:37:13,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:13,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325876245] [2021-06-05 10:37:13,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:13,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:13,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325876245] [2021-06-05 10:37:13,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325876245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:13,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:13,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:13,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502220101] [2021-06-05 10:37:13,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:13,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:13,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:13,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:13,996 INFO L87 Difference]: Start difference. First operand 5794 states and 15420 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:14,717 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:14,862 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:15,029 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:15,206 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:15,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:15,362 INFO L93 Difference]: Finished difference Result 17218 states and 44003 transitions. [2021-06-05 10:37:15,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:15,362 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:15,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:15,378 INFO L225 Difference]: With dead ends: 17218 [2021-06-05 10:37:15,379 INFO L226 Difference]: Without dead ends: 17218 [2021-06-05 10:37:15,379 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17218 states. [2021-06-05 10:37:15,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17218 to 5810. [2021-06-05 10:37:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:15,501 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:15,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:15,501 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:15,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:15,506 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:15,506 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:15,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2021-06-05 10:37:15,506 INFO L430 AbstractCegarLoop]: === Iteration 280 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:15,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:15,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1078489414, now seen corresponding path program 274 times [2021-06-05 10:37:15,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:15,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634920689] [2021-06-05 10:37:15,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:15,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:15,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634920689] [2021-06-05 10:37:15,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634920689] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:15,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:15,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:15,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482389378] [2021-06-05 10:37:15,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:15,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:15,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:15,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:15,790 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:16,501 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:16,643 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:16,798 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:16,973 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:17,093 INFO L93 Difference]: Finished difference Result 14176 states and 36341 transitions. [2021-06-05 10:37:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:17,093 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:17,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:17,107 INFO L225 Difference]: With dead ends: 14176 [2021-06-05 10:37:17,107 INFO L226 Difference]: Without dead ends: 14176 [2021-06-05 10:37:17,107 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1183.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14176 states. [2021-06-05 10:37:17,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14176 to 5746. [2021-06-05 10:37:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5746 states, 5744 states have (on average 2.660515320334262) internal successors, (15282), 5745 states have internal predecessors, (15282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:17,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 15282 transitions. [2021-06-05 10:37:17,216 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 15282 transitions. Word has length 114 [2021-06-05 10:37:17,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:17,217 INFO L482 AbstractCegarLoop]: Abstraction has 5746 states and 15282 transitions. [2021-06-05 10:37:17,217 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 15282 transitions. [2021-06-05 10:37:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:17,222 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:17,222 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:17,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2021-06-05 10:37:17,222 INFO L430 AbstractCegarLoop]: === Iteration 281 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:17,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1741503862, now seen corresponding path program 275 times [2021-06-05 10:37:17,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:17,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429347821] [2021-06-05 10:37:17,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:17,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:17,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429347821] [2021-06-05 10:37:17,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429347821] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:17,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:17,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:17,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316669674] [2021-06-05 10:37:17,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:17,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:17,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:17,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:17,575 INFO L87 Difference]: Start difference. First operand 5746 states and 15282 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:18,303 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:18,448 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:18,607 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:18,783 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:18,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:18,923 INFO L93 Difference]: Finished difference Result 12652 states and 32606 transitions. [2021-06-05 10:37:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:18,935 INFO L225 Difference]: With dead ends: 12652 [2021-06-05 10:37:18,936 INFO L226 Difference]: Without dead ends: 12652 [2021-06-05 10:37:18,936 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1240.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12652 states. [2021-06-05 10:37:19,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12652 to 5810. [2021-06-05 10:37:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:19,040 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:19,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:19,040 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:19,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:19,046 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:19,046 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:19,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2021-06-05 10:37:19,046 INFO L430 AbstractCegarLoop]: === Iteration 282 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:19,046 INFO L82 PathProgramCache]: Analyzing trace with hash 393970760, now seen corresponding path program 276 times [2021-06-05 10:37:19,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:19,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662342192] [2021-06-05 10:37:19,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:19,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:19,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662342192] [2021-06-05 10:37:19,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662342192] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:19,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:19,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:19,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412712466] [2021-06-05 10:37:19,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:19,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:19,366 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:20,060 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:20,201 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:20,369 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:20,541 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:20,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:20,670 INFO L93 Difference]: Finished difference Result 13498 states and 34466 transitions. [2021-06-05 10:37:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:20,670 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:20,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:20,683 INFO L225 Difference]: With dead ends: 13498 [2021-06-05 10:37:20,683 INFO L226 Difference]: Without dead ends: 13498 [2021-06-05 10:37:20,684 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1200.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13498 states. [2021-06-05 10:37:20,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13498 to 5794. [2021-06-05 10:37:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5792 states have (on average 2.662292817679558) internal successors, (15420), 5793 states have internal predecessors, (15420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 15420 transitions. [2021-06-05 10:37:20,790 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 15420 transitions. Word has length 114 [2021-06-05 10:37:20,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:20,791 INFO L482 AbstractCegarLoop]: Abstraction has 5794 states and 15420 transitions. [2021-06-05 10:37:20,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 15420 transitions. [2021-06-05 10:37:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:20,796 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:20,796 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:20,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2021-06-05 10:37:20,796 INFO L430 AbstractCegarLoop]: === Iteration 283 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1191834220, now seen corresponding path program 277 times [2021-06-05 10:37:20,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:20,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821608121] [2021-06-05 10:37:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:21,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:21,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821608121] [2021-06-05 10:37:21,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821608121] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:21,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:21,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:21,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59380710] [2021-06-05 10:37:21,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:21,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:21,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:21,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:21,115 INFO L87 Difference]: Start difference. First operand 5794 states and 15420 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:21,809 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:21,952 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:22,116 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:22,290 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:22,449 INFO L93 Difference]: Finished difference Result 16704 states and 42580 transitions. [2021-06-05 10:37:22,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:22,449 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:22,465 INFO L225 Difference]: With dead ends: 16704 [2021-06-05 10:37:22,465 INFO L226 Difference]: Without dead ends: 16704 [2021-06-05 10:37:22,465 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1209.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:22,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16704 states. [2021-06-05 10:37:22,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16704 to 5810. [2021-06-05 10:37:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:22,587 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:22,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:22,587 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:22,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:22,592 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:22,592 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:22,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2021-06-05 10:37:22,592 INFO L430 AbstractCegarLoop]: === Iteration 284 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:22,592 INFO L82 PathProgramCache]: Analyzing trace with hash 943287240, now seen corresponding path program 278 times [2021-06-05 10:37:22,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:22,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284409889] [2021-06-05 10:37:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:22,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:22,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284409889] [2021-06-05 10:37:22,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284409889] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:22,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:22,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:22,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87637079] [2021-06-05 10:37:22,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:22,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:22,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:22,877 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:23,575 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:23,721 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:23,878 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:24,054 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:24,176 INFO L93 Difference]: Finished difference Result 13662 states and 34918 transitions. [2021-06-05 10:37:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:24,176 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:24,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:24,190 INFO L225 Difference]: With dead ends: 13662 [2021-06-05 10:37:24,190 INFO L226 Difference]: Without dead ends: 13662 [2021-06-05 10:37:24,190 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1196.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13662 states. [2021-06-05 10:37:24,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13662 to 5778. [2021-06-05 10:37:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5778 states, 5776 states have (on average 2.6617036011080333) internal successors, (15374), 5777 states have internal predecessors, (15374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 15374 transitions. [2021-06-05 10:37:24,300 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 15374 transitions. Word has length 114 [2021-06-05 10:37:24,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:24,301 INFO L482 AbstractCegarLoop]: Abstraction has 5778 states and 15374 transitions. [2021-06-05 10:37:24,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 15374 transitions. [2021-06-05 10:37:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:24,306 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:24,306 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:24,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2021-06-05 10:37:24,306 INFO L430 AbstractCegarLoop]: === Iteration 285 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:24,306 INFO L82 PathProgramCache]: Analyzing trace with hash -76983066, now seen corresponding path program 279 times [2021-06-05 10:37:24,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:24,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376221592] [2021-06-05 10:37:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:24,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:24,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376221592] [2021-06-05 10:37:24,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376221592] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:24,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:24,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:24,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401987787] [2021-06-05 10:37:24,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:24,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:24,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:24,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:24,610 INFO L87 Difference]: Start difference. First operand 5778 states and 15374 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:25,325 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:25,499 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:25,670 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:25,849 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:25,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:25,990 INFO L93 Difference]: Finished difference Result 12782 states and 32791 transitions. [2021-06-05 10:37:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:25,990 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:25,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:26,003 INFO L225 Difference]: With dead ends: 12782 [2021-06-05 10:37:26,003 INFO L226 Difference]: Without dead ends: 12782 [2021-06-05 10:37:26,003 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1240.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12782 states. [2021-06-05 10:37:26,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12782 to 5826. [2021-06-05 10:37:26,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.6634615384615383) internal successors, (15512), 5825 states have internal predecessors, (15512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15512 transitions. [2021-06-05 10:37:26,113 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15512 transitions. Word has length 114 [2021-06-05 10:37:26,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:26,113 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15512 transitions. [2021-06-05 10:37:26,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15512 transitions. [2021-06-05 10:37:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:26,118 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:26,119 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:26,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2021-06-05 10:37:26,119 INFO L430 AbstractCegarLoop]: === Iteration 286 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:26,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:26,119 INFO L82 PathProgramCache]: Analyzing trace with hash -325530046, now seen corresponding path program 280 times [2021-06-05 10:37:26,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:26,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204846684] [2021-06-05 10:37:26,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:26,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:26,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204846684] [2021-06-05 10:37:26,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204846684] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:26,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:26,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:26,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951759645] [2021-06-05 10:37:26,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:26,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:26,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:26,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:26,420 INFO L87 Difference]: Start difference. First operand 5826 states and 15512 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:27,111 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:27,265 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:27,422 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:27,602 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:27,721 INFO L93 Difference]: Finished difference Result 12618 states and 32389 transitions. [2021-06-05 10:37:27,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:27,722 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:27,734 INFO L225 Difference]: With dead ends: 12618 [2021-06-05 10:37:27,734 INFO L226 Difference]: Without dead ends: 12618 [2021-06-05 10:37:27,734 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:27,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12618 states. [2021-06-05 10:37:27,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12618 to 5810. [2021-06-05 10:37:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:27,834 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:27,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:27,834 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:27,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:27,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:27,839 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:27,839 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:27,839 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285 [2021-06-05 10:37:27,839 INFO L430 AbstractCegarLoop]: === Iteration 287 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:27,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:27,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1482347350, now seen corresponding path program 281 times [2021-06-05 10:37:27,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:27,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582368357] [2021-06-05 10:37:27,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:28,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:28,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582368357] [2021-06-05 10:37:28,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582368357] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:28,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:28,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:28,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754956518] [2021-06-05 10:37:28,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:28,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:28,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:28,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:28,140 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:28,855 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:28,988 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:37:29,156 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:29,332 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:29,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:29,438 INFO L93 Difference]: Finished difference Result 9676 states and 24961 transitions. [2021-06-05 10:37:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:29,447 INFO L225 Difference]: With dead ends: 9676 [2021-06-05 10:37:29,447 INFO L226 Difference]: Without dead ends: 9676 [2021-06-05 10:37:29,448 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9676 states. [2021-06-05 10:37:29,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9676 to 5650. [2021-06-05 10:37:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5650 states, 5648 states have (on average 2.656869688385269) internal successors, (15006), 5649 states have internal predecessors, (15006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5650 states to 5650 states and 15006 transitions. [2021-06-05 10:37:29,535 INFO L78 Accepts]: Start accepts. Automaton has 5650 states and 15006 transitions. Word has length 114 [2021-06-05 10:37:29,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:29,535 INFO L482 AbstractCegarLoop]: Abstraction has 5650 states and 15006 transitions. [2021-06-05 10:37:29,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 5650 states and 15006 transitions. [2021-06-05 10:37:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:29,540 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:29,540 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:29,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286 [2021-06-05 10:37:29,540 INFO L430 AbstractCegarLoop]: === Iteration 288 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:29,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:29,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1750741542, now seen corresponding path program 282 times [2021-06-05 10:37:29,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:29,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634202811] [2021-06-05 10:37:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:29,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:29,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634202811] [2021-06-05 10:37:29,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634202811] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:29,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:29,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:29,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810620894] [2021-06-05 10:37:29,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:29,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:29,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:29,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:29,848 INFO L87 Difference]: Start difference. First operand 5650 states and 15006 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:30,547 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:30,680 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:37:30,848 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:31,027 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:31,166 INFO L93 Difference]: Finished difference Result 13716 states and 35578 transitions. [2021-06-05 10:37:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:31,166 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:31,179 INFO L225 Difference]: With dead ends: 13716 [2021-06-05 10:37:31,179 INFO L226 Difference]: Without dead ends: 13716 [2021-06-05 10:37:31,180 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13716 states. [2021-06-05 10:37:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13716 to 5810. [2021-06-05 10:37:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:31,289 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:31,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:31,289 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:31,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:31,295 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:31,295 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:31,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287 [2021-06-05 10:37:31,295 INFO L430 AbstractCegarLoop]: === Iteration 289 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:31,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:31,295 INFO L82 PathProgramCache]: Analyzing trace with hash -630989018, now seen corresponding path program 283 times [2021-06-05 10:37:31,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:31,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607804565] [2021-06-05 10:37:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:31,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:31,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607804565] [2021-06-05 10:37:31,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607804565] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:31,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:31,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:31,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098836143] [2021-06-05 10:37:31,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:31,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:31,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:31,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:31,595 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:32,328 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:32,485 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:32,641 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:32,822 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:32,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:32,970 INFO L93 Difference]: Finished difference Result 16340 states and 42301 transitions. [2021-06-05 10:37:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:32,971 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:32,987 INFO L225 Difference]: With dead ends: 16340 [2021-06-05 10:37:32,987 INFO L226 Difference]: Without dead ends: 16340 [2021-06-05 10:37:32,987 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1220.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16340 states. [2021-06-05 10:37:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16340 to 5826. [2021-06-05 10:37:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.6634615384615383) internal successors, (15512), 5825 states have internal predecessors, (15512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15512 transitions. [2021-06-05 10:37:33,105 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15512 transitions. Word has length 114 [2021-06-05 10:37:33,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:33,106 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15512 transitions. [2021-06-05 10:37:33,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15512 transitions. [2021-06-05 10:37:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:33,111 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:33,111 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:33,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable288 [2021-06-05 10:37:33,111 INFO L430 AbstractCegarLoop]: === Iteration 290 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:33,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1504485604, now seen corresponding path program 284 times [2021-06-05 10:37:33,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:33,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33675885] [2021-06-05 10:37:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:33,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:33,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33675885] [2021-06-05 10:37:33,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33675885] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:33,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:33,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:33,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996498339] [2021-06-05 10:37:33,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:33,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:33,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:33,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:33,414 INFO L87 Difference]: Start difference. First operand 5826 states and 15512 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:34,130 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:34,288 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:34,459 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:34,639 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:34,787 INFO L93 Difference]: Finished difference Result 14620 states and 37589 transitions. [2021-06-05 10:37:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:34,787 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:34,801 INFO L225 Difference]: With dead ends: 14620 [2021-06-05 10:37:34,802 INFO L226 Difference]: Without dead ends: 14620 [2021-06-05 10:37:34,802 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1214.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:34,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14620 states. [2021-06-05 10:37:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14620 to 5778. [2021-06-05 10:37:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5778 states, 5776 states have (on average 2.6617036011080333) internal successors, (15374), 5777 states have internal predecessors, (15374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 15374 transitions. [2021-06-05 10:37:34,957 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 15374 transitions. Word has length 114 [2021-06-05 10:37:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:34,957 INFO L482 AbstractCegarLoop]: Abstraction has 5778 states and 15374 transitions. [2021-06-05 10:37:34,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 15374 transitions. [2021-06-05 10:37:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:34,962 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:34,963 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:34,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2021-06-05 10:37:34,963 INFO L430 AbstractCegarLoop]: === Iteration 291 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:34,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:34,963 INFO L82 PathProgramCache]: Analyzing trace with hash -309242394, now seen corresponding path program 285 times [2021-06-05 10:37:34,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:34,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073298370] [2021-06-05 10:37:34,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:35,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:35,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073298370] [2021-06-05 10:37:35,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073298370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:35,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:35,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:35,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163530971] [2021-06-05 10:37:35,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:35,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:35,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:35,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:35,250 INFO L87 Difference]: Start difference. First operand 5778 states and 15374 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:35,954 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:36,097 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:36,258 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:36,436 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:36,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:36,585 INFO L93 Difference]: Finished difference Result 17696 states and 45518 transitions. [2021-06-05 10:37:36,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:36,585 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:36,603 INFO L225 Difference]: With dead ends: 17696 [2021-06-05 10:37:36,603 INFO L226 Difference]: Without dead ends: 17696 [2021-06-05 10:37:36,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1195.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17696 states. [2021-06-05 10:37:36,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17696 to 5810. [2021-06-05 10:37:36,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:36,735 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:36,735 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:36,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:36,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:36,741 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:36,741 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:36,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290 [2021-06-05 10:37:36,741 INFO L430 AbstractCegarLoop]: === Iteration 292 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:36,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1826232228, now seen corresponding path program 286 times [2021-06-05 10:37:36,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:36,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92535345] [2021-06-05 10:37:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:37,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:37,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92535345] [2021-06-05 10:37:37,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92535345] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:37,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:37,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:37,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443826790] [2021-06-05 10:37:37,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:37,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:37,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:37,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:37,034 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:37,741 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:37,882 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:38,050 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:38,240 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:38,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:38,385 INFO L93 Difference]: Finished difference Result 18542 states and 47378 transitions. [2021-06-05 10:37:38,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:38,386 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:38,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:38,403 INFO L225 Difference]: With dead ends: 18542 [2021-06-05 10:37:38,403 INFO L226 Difference]: Without dead ends: 18542 [2021-06-05 10:37:38,404 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1227.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:38,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18542 states. [2021-06-05 10:37:38,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18542 to 5794. [2021-06-05 10:37:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5792 states have (on average 2.662292817679558) internal successors, (15420), 5793 states have internal predecessors, (15420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 15420 transitions. [2021-06-05 10:37:38,537 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 15420 transitions. Word has length 114 [2021-06-05 10:37:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:38,537 INFO L482 AbstractCegarLoop]: Abstraction has 5794 states and 15420 transitions. [2021-06-05 10:37:38,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 15420 transitions. [2021-06-05 10:37:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:38,542 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:38,542 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:38,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291 [2021-06-05 10:37:38,542 INFO L430 AbstractCegarLoop]: === Iteration 293 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:38,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:38,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1670871608, now seen corresponding path program 287 times [2021-06-05 10:37:38,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:38,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652329492] [2021-06-05 10:37:38,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:38,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:38,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652329492] [2021-06-05 10:37:38,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652329492] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:38,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:38,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:38,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417392353] [2021-06-05 10:37:38,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:38,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:38,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:38,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:38,831 INFO L87 Difference]: Start difference. First operand 5794 states and 15420 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:39,527 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:39,667 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:39,830 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:40,003 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:40,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:40,147 INFO L93 Difference]: Finished difference Result 17842 states and 45749 transitions. [2021-06-05 10:37:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:40,147 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:40,164 INFO L225 Difference]: With dead ends: 17842 [2021-06-05 10:37:40,164 INFO L226 Difference]: Without dead ends: 17842 [2021-06-05 10:37:40,165 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1196.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:40,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17842 states. [2021-06-05 10:37:40,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17842 to 5810. [2021-06-05 10:37:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:40,296 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:40,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:40,296 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:40,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:40,301 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:40,301 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:40,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292 [2021-06-05 10:37:40,301 INFO L430 AbstractCegarLoop]: === Iteration 294 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:40,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:40,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1919418588, now seen corresponding path program 288 times [2021-06-05 10:37:40,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:40,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743098656] [2021-06-05 10:37:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:40,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:40,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743098656] [2021-06-05 10:37:40,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743098656] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:40,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:40,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:40,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644066985] [2021-06-05 10:37:40,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:40,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:40,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:40,585 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:41,185 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:37:41,327 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:41,472 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:41,629 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:41,807 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:41,939 INFO L93 Difference]: Finished difference Result 14800 states and 38087 transitions. [2021-06-05 10:37:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:41,939 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:41,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:41,953 INFO L225 Difference]: With dead ends: 14800 [2021-06-05 10:37:41,953 INFO L226 Difference]: Without dead ends: 14800 [2021-06-05 10:37:41,953 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1211.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:41,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14800 states. [2021-06-05 10:37:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14800 to 5746. [2021-06-05 10:37:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5746 states, 5744 states have (on average 2.660515320334262) internal successors, (15282), 5745 states have internal predecessors, (15282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 15282 transitions. [2021-06-05 10:37:42,066 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 15282 transitions. Word has length 114 [2021-06-05 10:37:42,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:42,067 INFO L482 AbstractCegarLoop]: Abstraction has 5746 states and 15282 transitions. [2021-06-05 10:37:42,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 15282 transitions. [2021-06-05 10:37:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:42,072 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:42,072 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:42,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293 [2021-06-05 10:37:42,072 INFO L430 AbstractCegarLoop]: === Iteration 295 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:42,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:42,072 INFO L82 PathProgramCache]: Analyzing trace with hash -444444568, now seen corresponding path program 289 times [2021-06-05 10:37:42,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:42,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605158386] [2021-06-05 10:37:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:42,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:42,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:42,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605158386] [2021-06-05 10:37:42,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605158386] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:42,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:42,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:42,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204626266] [2021-06-05 10:37:42,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:42,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:42,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:42,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:42,411 INFO L87 Difference]: Start difference. First operand 5746 states and 15282 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:43,122 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:43,268 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:43,427 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:43,605 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:43,755 INFO L93 Difference]: Finished difference Result 18224 states and 46988 transitions. [2021-06-05 10:37:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:43,755 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:43,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:43,772 INFO L225 Difference]: With dead ends: 18224 [2021-06-05 10:37:43,773 INFO L226 Difference]: Without dead ends: 18224 [2021-06-05 10:37:43,773 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1239.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:43,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18224 states. [2021-06-05 10:37:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18224 to 5810. [2021-06-05 10:37:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:43,906 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:43,906 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:43,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:43,911 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:43,912 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:43,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2021-06-05 10:37:43,912 INFO L430 AbstractCegarLoop]: === Iteration 296 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1691030054, now seen corresponding path program 290 times [2021-06-05 10:37:43,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:43,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208756306] [2021-06-05 10:37:43,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:44,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:44,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208756306] [2021-06-05 10:37:44,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208756306] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:44,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:44,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:44,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977996341] [2021-06-05 10:37:44,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:44,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:44,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:44,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:44,209 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:44,934 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:45,077 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:45,247 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:45,419 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:45,566 INFO L93 Difference]: Finished difference Result 19070 states and 48848 transitions. [2021-06-05 10:37:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:45,566 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:45,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:45,584 INFO L225 Difference]: With dead ends: 19070 [2021-06-05 10:37:45,584 INFO L226 Difference]: Without dead ends: 19070 [2021-06-05 10:37:45,584 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1228.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:45,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19070 states. [2021-06-05 10:37:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19070 to 5794. [2021-06-05 10:37:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5792 states have (on average 2.662292817679558) internal successors, (15420), 5793 states have internal predecessors, (15420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 15420 transitions. [2021-06-05 10:37:45,721 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 15420 transitions. Word has length 114 [2021-06-05 10:37:45,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:45,721 INFO L482 AbstractCegarLoop]: Abstraction has 5794 states and 15420 transitions. [2021-06-05 10:37:45,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 15420 transitions. [2021-06-05 10:37:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:45,726 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:45,727 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:45,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295 [2021-06-05 10:37:45,727 INFO L430 AbstractCegarLoop]: === Iteration 297 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:45,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:45,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1806073782, now seen corresponding path program 291 times [2021-06-05 10:37:45,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:45,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725804951] [2021-06-05 10:37:45,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:46,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:46,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725804951] [2021-06-05 10:37:46,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725804951] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:46,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:46,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:46,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366239827] [2021-06-05 10:37:46,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:46,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:46,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:46,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:46,024 INFO L87 Difference]: Start difference. First operand 5794 states and 15420 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:46,725 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:46,868 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:47,038 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:47,225 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:47,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:47,385 INFO L93 Difference]: Finished difference Result 22276 states and 56962 transitions. [2021-06-05 10:37:47,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:47,386 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:47,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:47,407 INFO L225 Difference]: With dead ends: 22276 [2021-06-05 10:37:47,407 INFO L226 Difference]: Without dead ends: 22276 [2021-06-05 10:37:47,407 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1221.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:47,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22276 states. [2021-06-05 10:37:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22276 to 5810. [2021-06-05 10:37:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:47,589 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:47,589 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:47,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:47,594 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:47,594 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:47,594 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296 [2021-06-05 10:37:47,594 INFO L430 AbstractCegarLoop]: === Iteration 298 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:47,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:47,595 INFO L82 PathProgramCache]: Analyzing trace with hash -2054620762, now seen corresponding path program 292 times [2021-06-05 10:37:47,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:47,595 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152961352] [2021-06-05 10:37:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:47,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:47,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152961352] [2021-06-05 10:37:47,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152961352] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:47,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:47,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:47,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295316548] [2021-06-05 10:37:47,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:47,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:47,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:47,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:47,880 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:48,602 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:48,749 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:48,908 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:49,087 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:49,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:49,238 INFO L93 Difference]: Finished difference Result 19234 states and 49300 transitions. [2021-06-05 10:37:49,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:49,238 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:49,257 INFO L225 Difference]: With dead ends: 19234 [2021-06-05 10:37:49,257 INFO L226 Difference]: Without dead ends: 19234 [2021-06-05 10:37:49,257 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1192.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:49,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19234 states. [2021-06-05 10:37:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19234 to 5778. [2021-06-05 10:37:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5778 states, 5776 states have (on average 2.6617036011080333) internal successors, (15374), 5777 states have internal predecessors, (15374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 15374 transitions. [2021-06-05 10:37:49,396 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 15374 transitions. Word has length 114 [2021-06-05 10:37:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:49,396 INFO L482 AbstractCegarLoop]: Abstraction has 5778 states and 15374 transitions. [2021-06-05 10:37:49,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 15374 transitions. [2021-06-05 10:37:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:49,402 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:49,402 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:49,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297 [2021-06-05 10:37:49,402 INFO L430 AbstractCegarLoop]: === Iteration 299 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:49,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1220076228, now seen corresponding path program 293 times [2021-06-05 10:37:49,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:49,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54667562] [2021-06-05 10:37:49,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:49,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:49,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54667562] [2021-06-05 10:37:49,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54667562] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:49,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:49,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:49,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684849664] [2021-06-05 10:37:49,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:49,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:49,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:49,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:49,706 INFO L87 Difference]: Start difference. First operand 5778 states and 15374 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:50,419 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:50,579 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:50,769 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:50,951 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:51,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:51,105 INFO L93 Difference]: Finished difference Result 18354 states and 47173 transitions. [2021-06-05 10:37:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:51,106 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:51,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:51,123 INFO L225 Difference]: With dead ends: 18354 [2021-06-05 10:37:51,123 INFO L226 Difference]: Without dead ends: 18354 [2021-06-05 10:37:51,123 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1236.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18354 states. [2021-06-05 10:37:51,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18354 to 5826. [2021-06-05 10:37:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5824 states have (on average 2.6634615384615383) internal successors, (15512), 5825 states have internal predecessors, (15512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 15512 transitions. [2021-06-05 10:37:51,250 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 15512 transitions. Word has length 114 [2021-06-05 10:37:51,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:51,251 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 15512 transitions. [2021-06-05 10:37:51,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 15512 transitions. [2021-06-05 10:37:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:51,256 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:51,256 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:51,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable298 [2021-06-05 10:37:51,256 INFO L430 AbstractCegarLoop]: === Iteration 300 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:51,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:51,256 INFO L82 PathProgramCache]: Analyzing trace with hash 971529248, now seen corresponding path program 294 times [2021-06-05 10:37:51,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:51,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168353851] [2021-06-05 10:37:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:51,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:51,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168353851] [2021-06-05 10:37:51,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168353851] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:51,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:51,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:51,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442886807] [2021-06-05 10:37:51,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:51,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:51,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:51,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:51,548 INFO L87 Difference]: Start difference. First operand 5826 states and 15512 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:52,260 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:52,417 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:52,578 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:52,758 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:52,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:52,904 INFO L93 Difference]: Finished difference Result 18190 states and 46771 transitions. [2021-06-05 10:37:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:52,904 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:52,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:52,922 INFO L225 Difference]: With dead ends: 18190 [2021-06-05 10:37:52,922 INFO L226 Difference]: Without dead ends: 18190 [2021-06-05 10:37:52,922 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18190 states. [2021-06-05 10:37:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18190 to 5810. [2021-06-05 10:37:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5808 states have (on average 2.662878787878788) internal successors, (15466), 5809 states have internal predecessors, (15466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 15466 transitions. [2021-06-05 10:37:53,059 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 15466 transitions. Word has length 114 [2021-06-05 10:37:53,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:53,059 INFO L482 AbstractCegarLoop]: Abstraction has 5810 states and 15466 transitions. [2021-06-05 10:37:53,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 15466 transitions. [2021-06-05 10:37:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:53,064 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:53,064 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:53,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable299 [2021-06-05 10:37:53,064 INFO L430 AbstractCegarLoop]: === Iteration 301 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:53,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:53,064 INFO L82 PathProgramCache]: Analyzing trace with hash -185288056, now seen corresponding path program 295 times [2021-06-05 10:37:53,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:53,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101807124] [2021-06-05 10:37:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:53,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:53,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101807124] [2021-06-05 10:37:53,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101807124] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:53,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:53,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:53,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902472219] [2021-06-05 10:37:53,363 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:53,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:53,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:53,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:53,363 INFO L87 Difference]: Start difference. First operand 5810 states and 15466 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,083 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:37:54,217 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:37:54,388 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:54,568 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:54,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:54,696 INFO L93 Difference]: Finished difference Result 15248 states and 39343 transitions. [2021-06-05 10:37:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:54,696 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:54,712 INFO L225 Difference]: With dead ends: 15248 [2021-06-05 10:37:54,712 INFO L226 Difference]: Without dead ends: 15248 [2021-06-05 10:37:54,712 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1221.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15248 states. [2021-06-05 10:37:54,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15248 to 5682. [2021-06-05 10:37:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5682 states, 5680 states have (on average 2.6580985915492956) internal successors, (15098), 5681 states have internal predecessors, (15098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5682 states to 5682 states and 15098 transitions. [2021-06-05 10:37:54,832 INFO L78 Accepts]: Start accepts. Automaton has 5682 states and 15098 transitions. Word has length 114 [2021-06-05 10:37:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:54,832 INFO L482 AbstractCegarLoop]: Abstraction has 5682 states and 15098 transitions. [2021-06-05 10:37:54,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5682 states and 15098 transitions. [2021-06-05 10:37:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:54,837 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:54,838 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:54,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable300 [2021-06-05 10:37:54,838 INFO L430 AbstractCegarLoop]: === Iteration 302 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:54,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:54,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2027216586, now seen corresponding path program 296 times [2021-06-05 10:37:54,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:54,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709725225] [2021-06-05 10:37:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:55,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:55,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709725225] [2021-06-05 10:37:55,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709725225] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:55,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:55,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:55,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328780943] [2021-06-05 10:37:55,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:55,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:55,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:55,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:55,126 INFO L87 Difference]: Start difference. First operand 5682 states and 15098 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:55,845 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:55,990 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:56,149 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:37:56,327 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:37:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:56,468 INFO L93 Difference]: Finished difference Result 13212 states and 34168 transitions. [2021-06-05 10:37:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:56,468 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:56,481 INFO L225 Difference]: With dead ends: 13212 [2021-06-05 10:37:56,481 INFO L226 Difference]: Without dead ends: 13212 [2021-06-05 10:37:56,482 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1195.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:56,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13212 states. [2021-06-05 10:37:56,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13212 to 5762. [2021-06-05 10:37:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5762 states, 5760 states have (on average 2.661111111111111) internal successors, (15328), 5761 states have internal predecessors, (15328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5762 states to 5762 states and 15328 transitions. [2021-06-05 10:37:56,586 INFO L78 Accepts]: Start accepts. Automaton has 5762 states and 15328 transitions. Word has length 114 [2021-06-05 10:37:56,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:56,587 INFO L482 AbstractCegarLoop]: Abstraction has 5762 states and 15328 transitions. [2021-06-05 10:37:56,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5762 states and 15328 transitions. [2021-06-05 10:37:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:56,592 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:56,592 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:56,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable301 [2021-06-05 10:37:56,592 INFO L430 AbstractCegarLoop]: === Iteration 303 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:56,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:56,592 INFO L82 PathProgramCache]: Analyzing trace with hash -132276088, now seen corresponding path program 297 times [2021-06-05 10:37:56,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:56,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430976344] [2021-06-05 10:37:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:56,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:56,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430976344] [2021-06-05 10:37:56,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430976344] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:56,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:56,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:56,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661982646] [2021-06-05 10:37:56,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:56,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:56,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:56,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:56,916 INFO L87 Difference]: Start difference. First operand 5762 states and 15328 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:57,633 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:57,777 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:57,948 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:58,124 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:37:58,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:58,270 INFO L93 Difference]: Finished difference Result 14058 states and 36028 transitions. [2021-06-05 10:37:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:37:58,270 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:37:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:58,284 INFO L225 Difference]: With dead ends: 14058 [2021-06-05 10:37:58,284 INFO L226 Difference]: Without dead ends: 14058 [2021-06-05 10:37:58,284 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1236.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:37:58,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14058 states. [2021-06-05 10:37:58,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14058 to 5746. [2021-06-05 10:37:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5746 states, 5744 states have (on average 2.660515320334262) internal successors, (15282), 5745 states have internal predecessors, (15282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 15282 transitions. [2021-06-05 10:37:58,399 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 15282 transitions. Word has length 114 [2021-06-05 10:37:58,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:58,399 INFO L482 AbstractCegarLoop]: Abstraction has 5746 states and 15282 transitions. [2021-06-05 10:37:58,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 15282 transitions. [2021-06-05 10:37:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:37:58,404 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:58,405 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:58,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302 [2021-06-05 10:37:58,405 INFO L430 AbstractCegarLoop]: === Iteration 304 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:37:58,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:58,405 INFO L82 PathProgramCache]: Analyzing trace with hash 665587372, now seen corresponding path program 298 times [2021-06-05 10:37:58,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:58,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511956861] [2021-06-05 10:37:58,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:58,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:58,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511956861] [2021-06-05 10:37:58,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511956861] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:58,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:58,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:37:58,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800876687] [2021-06-05 10:37:58,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:37:58,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:58,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:37:58,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:37:58,755 INFO L87 Difference]: Start difference. First operand 5746 states and 15282 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:59,475 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:37:59,623 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:37:59,793 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:37:59,973 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:00,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:00,133 INFO L93 Difference]: Finished difference Result 17264 states and 44142 transitions. [2021-06-05 10:38:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:00,133 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:00,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:00,149 INFO L225 Difference]: With dead ends: 17264 [2021-06-05 10:38:00,149 INFO L226 Difference]: Without dead ends: 17264 [2021-06-05 10:38:00,149 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1252.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:00,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17264 states. [2021-06-05 10:38:00,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17264 to 5762. [2021-06-05 10:38:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5762 states, 5760 states have (on average 2.661111111111111) internal successors, (15328), 5761 states have internal predecessors, (15328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5762 states to 5762 states and 15328 transitions. [2021-06-05 10:38:00,289 INFO L78 Accepts]: Start accepts. Automaton has 5762 states and 15328 transitions. Word has length 114 [2021-06-05 10:38:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:00,290 INFO L482 AbstractCegarLoop]: Abstraction has 5762 states and 15328 transitions. [2021-06-05 10:38:00,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 5762 states and 15328 transitions. [2021-06-05 10:38:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:00,295 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:00,295 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:00,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable303 [2021-06-05 10:38:00,295 INFO L430 AbstractCegarLoop]: === Iteration 305 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:00,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:00,295 INFO L82 PathProgramCache]: Analyzing trace with hash 417040392, now seen corresponding path program 299 times [2021-06-05 10:38:00,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:00,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21570932] [2021-06-05 10:38:00,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:00,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:00,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:00,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21570932] [2021-06-05 10:38:00,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21570932] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:00,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:00,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:00,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667006201] [2021-06-05 10:38:00,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:00,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:00,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:00,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:00,581 INFO L87 Difference]: Start difference. First operand 5762 states and 15328 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:01,296 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:01,443 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:01,601 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:01,780 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:01,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:01,912 INFO L93 Difference]: Finished difference Result 14222 states and 36480 transitions. [2021-06-05 10:38:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:01,913 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:01,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:01,926 INFO L225 Difference]: With dead ends: 14222 [2021-06-05 10:38:01,926 INFO L226 Difference]: Without dead ends: 14222 [2021-06-05 10:38:01,927 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1195.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:01,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14222 states. [2021-06-05 10:38:02,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14222 to 5730. [2021-06-05 10:38:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5728 states have (on average 2.6599162011173183) internal successors, (15236), 5729 states have internal predecessors, (15236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 15236 transitions. [2021-06-05 10:38:02,037 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 15236 transitions. Word has length 114 [2021-06-05 10:38:02,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:02,037 INFO L482 AbstractCegarLoop]: Abstraction has 5730 states and 15236 transitions. [2021-06-05 10:38:02,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 15236 transitions. [2021-06-05 10:38:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:02,042 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:02,042 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:02,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable304 [2021-06-05 10:38:02,043 INFO L430 AbstractCegarLoop]: === Iteration 306 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:02,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:02,043 INFO L82 PathProgramCache]: Analyzing trace with hash -603229914, now seen corresponding path program 300 times [2021-06-05 10:38:02,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:02,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447495327] [2021-06-05 10:38:02,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:02,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:02,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447495327] [2021-06-05 10:38:02,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447495327] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:02,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:02,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:02,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840213665] [2021-06-05 10:38:02,342 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:02,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:02,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:02,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:02,342 INFO L87 Difference]: Start difference. First operand 5730 states and 15236 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:03,034 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:03,190 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:03,376 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:03,553 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:03,696 INFO L93 Difference]: Finished difference Result 17744 states and 45474 transitions. [2021-06-05 10:38:03,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:03,696 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:03,713 INFO L225 Difference]: With dead ends: 17744 [2021-06-05 10:38:03,713 INFO L226 Difference]: Without dead ends: 17744 [2021-06-05 10:38:03,713 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1241.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:03,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17744 states. [2021-06-05 10:38:03,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17744 to 5778. [2021-06-05 10:38:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5778 states, 5776 states have (on average 2.6617036011080333) internal successors, (15374), 5777 states have internal predecessors, (15374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 15374 transitions. [2021-06-05 10:38:03,846 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 15374 transitions. Word has length 114 [2021-06-05 10:38:03,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:03,846 INFO L482 AbstractCegarLoop]: Abstraction has 5778 states and 15374 transitions. [2021-06-05 10:38:03,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 15374 transitions. [2021-06-05 10:38:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:03,851 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:03,851 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:03,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable305 [2021-06-05 10:38:03,851 INFO L430 AbstractCegarLoop]: === Iteration 307 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:03,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:03,852 INFO L82 PathProgramCache]: Analyzing trace with hash -851776894, now seen corresponding path program 301 times [2021-06-05 10:38:03,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:03,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784576968] [2021-06-05 10:38:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:04,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:04,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784576968] [2021-06-05 10:38:04,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784576968] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:04,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:04,147 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:04,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866166237] [2021-06-05 10:38:04,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:04,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:04,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:04,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:04,148 INFO L87 Difference]: Start difference. First operand 5778 states and 15374 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:04,841 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:04,998 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:05,159 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:05,337 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:05,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:05,474 INFO L93 Difference]: Finished difference Result 17580 states and 45072 transitions. [2021-06-05 10:38:05,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:05,475 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:05,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:05,491 INFO L225 Difference]: With dead ends: 17580 [2021-06-05 10:38:05,492 INFO L226 Difference]: Without dead ends: 17580 [2021-06-05 10:38:05,492 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17580 states. [2021-06-05 10:38:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17580 to 5762. [2021-06-05 10:38:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5762 states, 5760 states have (on average 2.661111111111111) internal successors, (15328), 5761 states have internal predecessors, (15328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5762 states to 5762 states and 15328 transitions. [2021-06-05 10:38:05,620 INFO L78 Accepts]: Start accepts. Automaton has 5762 states and 15328 transitions. Word has length 114 [2021-06-05 10:38:05,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:05,620 INFO L482 AbstractCegarLoop]: Abstraction has 5762 states and 15328 transitions. [2021-06-05 10:38:05,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5762 states and 15328 transitions. [2021-06-05 10:38:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:05,625 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:05,625 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:05,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306 [2021-06-05 10:38:05,625 INFO L430 AbstractCegarLoop]: === Iteration 308 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:05,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:05,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2008594198, now seen corresponding path program 302 times [2021-06-05 10:38:05,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:05,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448879342] [2021-06-05 10:38:05,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:05,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:05,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448879342] [2021-06-05 10:38:05,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448879342] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:05,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:05,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:05,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198686935] [2021-06-05 10:38:05,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:05,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:05,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:05,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:05,927 INFO L87 Difference]: Start difference. First operand 5762 states and 15328 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:06,652 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:06,786 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:06,962 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:07,143 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:07,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:07,280 INFO L93 Difference]: Finished difference Result 14638 states and 37644 transitions. [2021-06-05 10:38:07,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:07,280 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:07,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:07,295 INFO L225 Difference]: With dead ends: 14638 [2021-06-05 10:38:07,296 INFO L226 Difference]: Without dead ends: 14638 [2021-06-05 10:38:07,296 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14638 states. [2021-06-05 10:38:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14638 to 5698. [2021-06-05 10:38:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5698 states, 5696 states have (on average 2.658707865168539) internal successors, (15144), 5697 states have internal predecessors, (15144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5698 states to 5698 states and 15144 transitions. [2021-06-05 10:38:07,412 INFO L78 Accepts]: Start accepts. Automaton has 5698 states and 15144 transitions. Word has length 114 [2021-06-05 10:38:07,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:07,412 INFO L482 AbstractCegarLoop]: Abstraction has 5698 states and 15144 transitions. [2021-06-05 10:38:07,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5698 states and 15144 transitions. [2021-06-05 10:38:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:07,417 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:07,417 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:07,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable307 [2021-06-05 10:38:07,417 INFO L430 AbstractCegarLoop]: === Iteration 309 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:07,417 INFO L82 PathProgramCache]: Analyzing trace with hash -198870332, now seen corresponding path program 303 times [2021-06-05 10:38:07,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:07,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183082482] [2021-06-05 10:38:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:07,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:07,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183082482] [2021-06-05 10:38:07,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183082482] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:07,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:07,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:07,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504661092] [2021-06-05 10:38:07,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:07,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:07,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:07,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:07,730 INFO L87 Difference]: Start difference. First operand 5698 states and 15144 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:08,436 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:08,594 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:08,766 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:08,945 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:09,086 INFO L93 Difference]: Finished difference Result 13310 states and 34261 transitions. [2021-06-05 10:38:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:09,087 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:09,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:09,100 INFO L225 Difference]: With dead ends: 13310 [2021-06-05 10:38:09,100 INFO L226 Difference]: Without dead ends: 13310 [2021-06-05 10:38:09,100 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1227.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:09,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13310 states. [2021-06-05 10:38:09,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13310 to 5762. [2021-06-05 10:38:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5762 states, 5760 states have (on average 2.661111111111111) internal successors, (15328), 5761 states have internal predecessors, (15328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5762 states to 5762 states and 15328 transitions. [2021-06-05 10:38:09,204 INFO L78 Accepts]: Start accepts. Automaton has 5762 states and 15328 transitions. Word has length 114 [2021-06-05 10:38:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:09,204 INFO L482 AbstractCegarLoop]: Abstraction has 5762 states and 15328 transitions. [2021-06-05 10:38:09,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5762 states and 15328 transitions. [2021-06-05 10:38:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:09,209 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:09,209 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:09,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable308 [2021-06-05 10:38:09,209 INFO L430 AbstractCegarLoop]: === Iteration 310 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:09,210 INFO L82 PathProgramCache]: Analyzing trace with hash -447417312, now seen corresponding path program 304 times [2021-06-05 10:38:09,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:09,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500313617] [2021-06-05 10:38:09,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:09,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:09,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500313617] [2021-06-05 10:38:09,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500313617] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:09,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:09,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:09,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173536959] [2021-06-05 10:38:09,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:09,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:09,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:09,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:09,550 INFO L87 Difference]: Start difference. First operand 5762 states and 15328 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:10,255 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:10,412 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:10,572 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:10,751 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:10,880 INFO L93 Difference]: Finished difference Result 13146 states and 33859 transitions. [2021-06-05 10:38:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:10,880 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:10,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:10,892 INFO L225 Difference]: With dead ends: 13146 [2021-06-05 10:38:10,893 INFO L226 Difference]: Without dead ends: 13146 [2021-06-05 10:38:10,893 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1248.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13146 states. [2021-06-05 10:38:10,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13146 to 5746. [2021-06-05 10:38:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5746 states, 5744 states have (on average 2.660515320334262) internal successors, (15282), 5745 states have internal predecessors, (15282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 15282 transitions. [2021-06-05 10:38:10,995 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 15282 transitions. Word has length 114 [2021-06-05 10:38:10,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:10,995 INFO L482 AbstractCegarLoop]: Abstraction has 5746 states and 15282 transitions. [2021-06-05 10:38:10,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 15282 transitions. [2021-06-05 10:38:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:11,000 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:11,000 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:11,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable309 [2021-06-05 10:38:11,000 INFO L430 AbstractCegarLoop]: === Iteration 311 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:11,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:11,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1604234616, now seen corresponding path program 305 times [2021-06-05 10:38:11,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:11,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475697542] [2021-06-05 10:38:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:11,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:11,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475697542] [2021-06-05 10:38:11,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475697542] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:11,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:11,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:11,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897308626] [2021-06-05 10:38:11,329 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:11,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:11,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:11,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:11,329 INFO L87 Difference]: Start difference. First operand 5746 states and 15282 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:12,021 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:12,155 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:12,327 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:12,509 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:12,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:12,635 INFO L93 Difference]: Finished difference Result 13434 states and 34687 transitions. [2021-06-05 10:38:12,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:12,636 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:12,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:12,648 INFO L225 Difference]: With dead ends: 13434 [2021-06-05 10:38:12,648 INFO L226 Difference]: Without dead ends: 13434 [2021-06-05 10:38:12,649 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:12,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13434 states. [2021-06-05 10:38:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13434 to 5714. [2021-06-05 10:38:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5714 states, 5712 states have (on average 2.659313725490196) internal successors, (15190), 5713 states have internal predecessors, (15190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 15190 transitions. [2021-06-05 10:38:12,774 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 15190 transitions. Word has length 114 [2021-06-05 10:38:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:12,774 INFO L482 AbstractCegarLoop]: Abstraction has 5714 states and 15190 transitions. [2021-06-05 10:38:12,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 15190 transitions. [2021-06-05 10:38:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:12,779 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:12,779 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:12,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable310 [2021-06-05 10:38:12,779 INFO L430 AbstractCegarLoop]: === Iteration 312 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:12,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:12,779 INFO L82 PathProgramCache]: Analyzing trace with hash 103948522, now seen corresponding path program 306 times [2021-06-05 10:38:12,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:12,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308400558] [2021-06-05 10:38:12,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:13,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:13,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308400558] [2021-06-05 10:38:13,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308400558] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:13,092 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:13,092 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:13,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257257079] [2021-06-05 10:38:13,092 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:13,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:13,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:13,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:13,093 INFO L87 Difference]: Start difference. First operand 5714 states and 15190 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:13,912 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:14,083 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:14,263 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:14,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:14,377 INFO L93 Difference]: Finished difference Result 10076 states and 26095 transitions. [2021-06-05 10:38:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:14,377 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:14,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:14,387 INFO L225 Difference]: With dead ends: 10076 [2021-06-05 10:38:14,387 INFO L226 Difference]: Without dead ends: 10076 [2021-06-05 10:38:14,387 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1204.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:14,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10076 states. [2021-06-05 10:38:14,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10076 to 5634. [2021-06-05 10:38:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5634 states, 5632 states have (on average 2.65625) internal successors, (14960), 5633 states have internal predecessors, (14960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5634 states to 5634 states and 14960 transitions. [2021-06-05 10:38:14,476 INFO L78 Accepts]: Start accepts. Automaton has 5634 states and 14960 transitions. Word has length 114 [2021-06-05 10:38:14,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:14,476 INFO L482 AbstractCegarLoop]: Abstraction has 5634 states and 14960 transitions. [2021-06-05 10:38:14,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5634 states and 14960 transitions. [2021-06-05 10:38:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:14,481 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:14,481 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:14,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable311 [2021-06-05 10:38:14,481 INFO L430 AbstractCegarLoop]: === Iteration 313 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1885867412, now seen corresponding path program 307 times [2021-06-05 10:38:14,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:14,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387537086] [2021-06-05 10:38:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:14,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:14,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387537086] [2021-06-05 10:38:14,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387537086] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:14,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:14,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:14,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440297213] [2021-06-05 10:38:14,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:14,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:14,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:14,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:14,787 INFO L87 Difference]: Start difference. First operand 5634 states and 14960 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:15,494 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:15,631 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:15,800 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:15,997 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:16,119 INFO L93 Difference]: Finished difference Result 7514 states and 19441 transitions. [2021-06-05 10:38:16,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:16,119 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:16,126 INFO L225 Difference]: With dead ends: 7514 [2021-06-05 10:38:16,127 INFO L226 Difference]: Without dead ends: 7514 [2021-06-05 10:38:16,127 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1221.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:16,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7514 states. [2021-06-05 10:38:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7514 to 5450. [2021-06-05 10:38:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 5448 states have (on average 2.6490455212922175) internal successors, (14432), 5449 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 14432 transitions. [2021-06-05 10:38:16,202 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 14432 transitions. Word has length 114 [2021-06-05 10:38:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:16,202 INFO L482 AbstractCegarLoop]: Abstraction has 5450 states and 14432 transitions. [2021-06-05 10:38:16,202 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 14432 transitions. [2021-06-05 10:38:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:16,206 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:16,207 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:16,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable312 [2021-06-05 10:38:16,207 INFO L430 AbstractCegarLoop]: === Iteration 314 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:16,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:16,207 INFO L82 PathProgramCache]: Analyzing trace with hash 27369324, now seen corresponding path program 308 times [2021-06-05 10:38:16,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:16,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989423977] [2021-06-05 10:38:16,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:16,506 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:16,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989423977] [2021-06-05 10:38:16,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989423977] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:16,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:16,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:16,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332996198] [2021-06-05 10:38:16,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:16,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:16,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:16,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:16,507 INFO L87 Difference]: Start difference. First operand 5450 states and 14432 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:17,192 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:17,345 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:17,498 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:17,676 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:17,795 INFO L93 Difference]: Finished difference Result 10138 states and 26164 transitions. [2021-06-05 10:38:17,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:17,795 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:17,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:17,805 INFO L225 Difference]: With dead ends: 10138 [2021-06-05 10:38:17,805 INFO L226 Difference]: Without dead ends: 10138 [2021-06-05 10:38:17,805 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1205.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10138 states. [2021-06-05 10:38:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10138 to 5466. [2021-06-05 10:38:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5466 states, 5464 states have (on average 2.6497071742313323) internal successors, (14478), 5465 states have internal predecessors, (14478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 14478 transitions. [2021-06-05 10:38:17,895 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 14478 transitions. Word has length 114 [2021-06-05 10:38:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:17,895 INFO L482 AbstractCegarLoop]: Abstraction has 5466 states and 14478 transitions. [2021-06-05 10:38:17,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 14478 transitions. [2021-06-05 10:38:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:17,900 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:17,900 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:17,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313 [2021-06-05 10:38:17,900 INFO L430 AbstractCegarLoop]: === Iteration 315 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:17,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2132123350, now seen corresponding path program 309 times [2021-06-05 10:38:17,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:17,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199736569] [2021-06-05 10:38:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:18,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:18,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199736569] [2021-06-05 10:38:18,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199736569] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:18,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:18,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:18,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264918349] [2021-06-05 10:38:18,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:18,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:18,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:18,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:18,208 INFO L87 Difference]: Start difference. First operand 5466 states and 14478 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:18,916 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:19,074 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:19,260 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:19,435 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:19,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:19,559 INFO L93 Difference]: Finished difference Result 8418 states and 21452 transitions. [2021-06-05 10:38:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:19,560 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:19,567 INFO L225 Difference]: With dead ends: 8418 [2021-06-05 10:38:19,568 INFO L226 Difference]: Without dead ends: 8418 [2021-06-05 10:38:19,568 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1220.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:19,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8418 states. [2021-06-05 10:38:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8418 to 5418. [2021-06-05 10:38:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5418 states, 5416 states have (on average 2.6477104874446087) internal successors, (14340), 5417 states have internal predecessors, (14340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:19,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 14340 transitions. [2021-06-05 10:38:19,647 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 14340 transitions. Word has length 114 [2021-06-05 10:38:19,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:19,647 INFO L482 AbstractCegarLoop]: Abstraction has 5418 states and 14340 transitions. [2021-06-05 10:38:19,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 14340 transitions. [2021-06-05 10:38:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:19,652 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:19,652 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:19,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314 [2021-06-05 10:38:19,652 INFO L430 AbstractCegarLoop]: === Iteration 316 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:19,653 INFO L82 PathProgramCache]: Analyzing trace with hash 349115948, now seen corresponding path program 310 times [2021-06-05 10:38:19,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:19,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369465505] [2021-06-05 10:38:19,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:19,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:19,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369465505] [2021-06-05 10:38:19,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369465505] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:19,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:19,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:19,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678537535] [2021-06-05 10:38:19,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:19,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:19,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:19,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:19,999 INFO L87 Difference]: Start difference. First operand 5418 states and 14340 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:20,714 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:20,856 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:21,013 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:21,192 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:21,328 INFO L93 Difference]: Finished difference Result 11494 states and 29381 transitions. [2021-06-05 10:38:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:21,329 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:21,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:21,339 INFO L225 Difference]: With dead ends: 11494 [2021-06-05 10:38:21,339 INFO L226 Difference]: Without dead ends: 11494 [2021-06-05 10:38:21,340 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1235.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:21,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2021-06-05 10:38:21,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 5450. [2021-06-05 10:38:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 5448 states have (on average 2.6490455212922175) internal successors, (14432), 5449 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 14432 transitions. [2021-06-05 10:38:21,436 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 14432 transitions. Word has length 114 [2021-06-05 10:38:21,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:21,436 INFO L482 AbstractCegarLoop]: Abstraction has 5450 states and 14432 transitions. [2021-06-05 10:38:21,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 14432 transitions. [2021-06-05 10:38:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:21,441 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:21,441 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:21,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315 [2021-06-05 10:38:21,441 INFO L430 AbstractCegarLoop]: === Iteration 317 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:21,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:21,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1810376726, now seen corresponding path program 311 times [2021-06-05 10:38:21,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:21,441 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593809265] [2021-06-05 10:38:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:21,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:21,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593809265] [2021-06-05 10:38:21,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593809265] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:21,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:21,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:21,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175303930] [2021-06-05 10:38:21,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:21,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:21,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:21,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:21,733 INFO L87 Difference]: Start difference. First operand 5450 states and 14432 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:22,445 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:22,584 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:22,750 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:22,921 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:23,049 INFO L93 Difference]: Finished difference Result 12340 states and 31241 transitions. [2021-06-05 10:38:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:23,049 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:23,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:23,061 INFO L225 Difference]: With dead ends: 12340 [2021-06-05 10:38:23,061 INFO L226 Difference]: Without dead ends: 12340 [2021-06-05 10:38:23,062 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1226.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12340 states. [2021-06-05 10:38:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12340 to 5434. [2021-06-05 10:38:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5434 states, 5432 states have (on average 2.648379970544919) internal successors, (14386), 5433 states have internal predecessors, (14386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:23,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5434 states to 5434 states and 14386 transitions. [2021-06-05 10:38:23,169 INFO L78 Accepts]: Start accepts. Automaton has 5434 states and 14386 transitions. Word has length 114 [2021-06-05 10:38:23,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:23,169 INFO L482 AbstractCegarLoop]: Abstraction has 5434 states and 14386 transitions. [2021-06-05 10:38:23,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5434 states and 14386 transitions. [2021-06-05 10:38:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:23,176 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:23,176 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:23,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316 [2021-06-05 10:38:23,176 INFO L430 AbstractCegarLoop]: === Iteration 318 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:23,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:23,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1012513266, now seen corresponding path program 312 times [2021-06-05 10:38:23,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:23,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458332100] [2021-06-05 10:38:23,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:23,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:23,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458332100] [2021-06-05 10:38:23,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458332100] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:23,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:23,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:23,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607666138] [2021-06-05 10:38:23,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:23,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:23,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:23,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:23,476 INFO L87 Difference]: Start difference. First operand 5434 states and 14386 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:24,166 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:24,307 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:24,471 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:24,645 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:24,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:24,771 INFO L93 Difference]: Finished difference Result 11640 states and 29612 transitions. [2021-06-05 10:38:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:24,771 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:24,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:24,783 INFO L225 Difference]: With dead ends: 11640 [2021-06-05 10:38:24,783 INFO L226 Difference]: Without dead ends: 11640 [2021-06-05 10:38:24,783 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1205.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11640 states. [2021-06-05 10:38:24,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11640 to 5450. [2021-06-05 10:38:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 5448 states have (on average 2.6490455212922175) internal successors, (14432), 5449 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 14432 transitions. [2021-06-05 10:38:24,883 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 14432 transitions. Word has length 114 [2021-06-05 10:38:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:24,883 INFO L482 AbstractCegarLoop]: Abstraction has 5450 states and 14432 transitions. [2021-06-05 10:38:24,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 14432 transitions. [2021-06-05 10:38:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:24,888 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:24,888 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:24,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317 [2021-06-05 10:38:24,888 INFO L430 AbstractCegarLoop]: === Iteration 319 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:24,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:24,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1261060246, now seen corresponding path program 313 times [2021-06-05 10:38:24,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:24,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488446964] [2021-06-05 10:38:24,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:25,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:25,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488446964] [2021-06-05 10:38:25,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488446964] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:25,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:25,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:25,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717397077] [2021-06-05 10:38:25,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:25,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:25,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:25,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:25,176 INFO L87 Difference]: Start difference. First operand 5450 states and 14432 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:25,906 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:26,050 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:26,207 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:26,386 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:26,497 INFO L93 Difference]: Finished difference Result 8598 states and 21950 transitions. [2021-06-05 10:38:26,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:26,498 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:26,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:26,506 INFO L225 Difference]: With dead ends: 8598 [2021-06-05 10:38:26,506 INFO L226 Difference]: Without dead ends: 8598 [2021-06-05 10:38:26,506 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8598 states. [2021-06-05 10:38:26,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8598 to 5386. [2021-06-05 10:38:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 5384 states have (on average 2.6463595839524516) internal successors, (14248), 5385 states have internal predecessors, (14248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 14248 transitions. [2021-06-05 10:38:26,588 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 14248 transitions. Word has length 114 [2021-06-05 10:38:26,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:26,588 INFO L482 AbstractCegarLoop]: Abstraction has 5386 states and 14248 transitions. [2021-06-05 10:38:26,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 14248 transitions. [2021-06-05 10:38:26,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:26,593 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:26,593 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:26,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318 [2021-06-05 10:38:26,593 INFO L430 AbstractCegarLoop]: === Iteration 320 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:26,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:26,593 INFO L82 PathProgramCache]: Analyzing trace with hash 213913774, now seen corresponding path program 314 times [2021-06-05 10:38:26,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:26,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605818304] [2021-06-05 10:38:26,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:26,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:26,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605818304] [2021-06-05 10:38:26,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605818304] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:26,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:26,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:26,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70740757] [2021-06-05 10:38:26,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:26,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:26,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:26,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:26,883 INFO L87 Difference]: Start difference. First operand 5386 states and 14248 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:27,604 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:27,747 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:27,906 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:28,083 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:28,220 INFO L93 Difference]: Finished difference Result 12022 states and 30851 transitions. [2021-06-05 10:38:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:28,220 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:28,231 INFO L225 Difference]: With dead ends: 12022 [2021-06-05 10:38:28,231 INFO L226 Difference]: Without dead ends: 12022 [2021-06-05 10:38:28,232 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1194.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:28,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12022 states. [2021-06-05 10:38:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12022 to 5450. [2021-06-05 10:38:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 5448 states have (on average 2.6490455212922175) internal successors, (14432), 5449 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 14432 transitions. [2021-06-05 10:38:28,331 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 14432 transitions. Word has length 114 [2021-06-05 10:38:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:28,331 INFO L482 AbstractCegarLoop]: Abstraction has 5450 states and 14432 transitions. [2021-06-05 10:38:28,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 14432 transitions. [2021-06-05 10:38:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:28,337 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:28,337 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:28,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable319 [2021-06-05 10:38:28,337 INFO L430 AbstractCegarLoop]: === Iteration 321 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:28,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:28,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1945578900, now seen corresponding path program 315 times [2021-06-05 10:38:28,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:28,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632117957] [2021-06-05 10:38:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:28,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:28,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632117957] [2021-06-05 10:38:28,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632117957] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:28,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:28,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:28,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660335367] [2021-06-05 10:38:28,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:28,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:28,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:28,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:28,661 INFO L87 Difference]: Start difference. First operand 5450 states and 14432 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:29,380 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:29,522 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:29,695 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:29,870 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:30,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:30,015 INFO L93 Difference]: Finished difference Result 12868 states and 32711 transitions. [2021-06-05 10:38:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:30,016 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:30,028 INFO L225 Difference]: With dead ends: 12868 [2021-06-05 10:38:30,029 INFO L226 Difference]: Without dead ends: 12868 [2021-06-05 10:38:30,029 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:30,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12868 states. [2021-06-05 10:38:30,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12868 to 5434. [2021-06-05 10:38:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5434 states, 5432 states have (on average 2.648379970544919) internal successors, (14386), 5433 states have internal predecessors, (14386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5434 states to 5434 states and 14386 transitions. [2021-06-05 10:38:30,130 INFO L78 Accepts]: Start accepts. Automaton has 5434 states and 14386 transitions. Word has length 114 [2021-06-05 10:38:30,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:30,131 INFO L482 AbstractCegarLoop]: Abstraction has 5434 states and 14386 transitions. [2021-06-05 10:38:30,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5434 states and 14386 transitions. [2021-06-05 10:38:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:30,135 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:30,135 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:30,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable320 [2021-06-05 10:38:30,136 INFO L430 AbstractCegarLoop]: === Iteration 322 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:30,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1147715440, now seen corresponding path program 316 times [2021-06-05 10:38:30,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:30,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100148150] [2021-06-05 10:38:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:30,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:30,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100148150] [2021-06-05 10:38:30,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100148150] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:30,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:30,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:30,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520533511] [2021-06-05 10:38:30,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:30,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:30,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:30,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:30,449 INFO L87 Difference]: Start difference. First operand 5434 states and 14386 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:31,142 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:31,284 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:31,450 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:31,623 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:31,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:31,762 INFO L93 Difference]: Finished difference Result 16074 states and 40825 transitions. [2021-06-05 10:38:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:31,763 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:31,778 INFO L225 Difference]: With dead ends: 16074 [2021-06-05 10:38:31,778 INFO L226 Difference]: Without dead ends: 16074 [2021-06-05 10:38:31,778 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16074 states. [2021-06-05 10:38:31,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16074 to 5450. [2021-06-05 10:38:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 5448 states have (on average 2.6490455212922175) internal successors, (14432), 5449 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 14432 transitions. [2021-06-05 10:38:31,931 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 14432 transitions. Word has length 114 [2021-06-05 10:38:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:31,931 INFO L482 AbstractCegarLoop]: Abstraction has 5450 states and 14432 transitions. [2021-06-05 10:38:31,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 14432 transitions. [2021-06-05 10:38:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:31,936 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:31,936 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:31,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable321 [2021-06-05 10:38:31,936 INFO L430 AbstractCegarLoop]: === Iteration 323 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:31,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1396262420, now seen corresponding path program 317 times [2021-06-05 10:38:31,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:31,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124598856] [2021-06-05 10:38:31,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:32,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:32,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124598856] [2021-06-05 10:38:32,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124598856] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:32,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:32,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:32,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911591947] [2021-06-05 10:38:32,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:32,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:32,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:32,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:32,229 INFO L87 Difference]: Start difference. First operand 5450 states and 14432 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:32,945 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:33,090 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:33,248 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:33,428 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:33,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:33,559 INFO L93 Difference]: Finished difference Result 13032 states and 33163 transitions. [2021-06-05 10:38:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:33,560 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:33,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:33,572 INFO L225 Difference]: With dead ends: 13032 [2021-06-05 10:38:33,573 INFO L226 Difference]: Without dead ends: 13032 [2021-06-05 10:38:33,573 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1198.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13032 states. [2021-06-05 10:38:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13032 to 5418. [2021-06-05 10:38:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5418 states, 5416 states have (on average 2.6477104874446087) internal successors, (14340), 5417 states have internal predecessors, (14340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 14340 transitions. [2021-06-05 10:38:33,679 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 14340 transitions. Word has length 114 [2021-06-05 10:38:33,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:33,679 INFO L482 AbstractCegarLoop]: Abstraction has 5418 states and 14340 transitions. [2021-06-05 10:38:33,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 14340 transitions. [2021-06-05 10:38:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:33,684 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:33,684 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:33,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable322 [2021-06-05 10:38:33,684 INFO L430 AbstractCegarLoop]: === Iteration 324 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:33,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:33,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1878434570, now seen corresponding path program 318 times [2021-06-05 10:38:33,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:33,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805200859] [2021-06-05 10:38:33,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:33,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:33,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805200859] [2021-06-05 10:38:33,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805200859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:33,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:33,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:33,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534989278] [2021-06-05 10:38:33,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:33,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:33,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:33,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:33,984 INFO L87 Difference]: Start difference. First operand 5418 states and 14340 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:34,668 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:34,820 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:34,986 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:35,178 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:35,296 INFO L93 Difference]: Finished difference Result 12152 states and 31036 transitions. [2021-06-05 10:38:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:35,297 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:35,308 INFO L225 Difference]: With dead ends: 12152 [2021-06-05 10:38:35,308 INFO L226 Difference]: Without dead ends: 12152 [2021-06-05 10:38:35,308 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1233.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12152 states. [2021-06-05 10:38:35,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12152 to 5466. [2021-06-05 10:38:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5466 states, 5464 states have (on average 2.6497071742313323) internal successors, (14478), 5465 states have internal predecessors, (14478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 14478 transitions. [2021-06-05 10:38:35,405 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 14478 transitions. Word has length 114 [2021-06-05 10:38:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:35,405 INFO L482 AbstractCegarLoop]: Abstraction has 5466 states and 14478 transitions. [2021-06-05 10:38:35,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 14478 transitions. [2021-06-05 10:38:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:35,410 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:35,410 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:35,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable323 [2021-06-05 10:38:35,410 INFO L430 AbstractCegarLoop]: === Iteration 325 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:35,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:35,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1629887590, now seen corresponding path program 319 times [2021-06-05 10:38:35,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:35,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600383271] [2021-06-05 10:38:35,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:35,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:35,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600383271] [2021-06-05 10:38:35,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600383271] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:35,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:35,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:35,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85437822] [2021-06-05 10:38:35,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:35,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:35,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:35,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:35,707 INFO L87 Difference]: Start difference. First operand 5466 states and 14478 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:36,414 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:36,570 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:36,728 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:36,909 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:37,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:37,035 INFO L93 Difference]: Finished difference Result 11988 states and 30634 transitions. [2021-06-05 10:38:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:37,035 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:37,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:37,047 INFO L225 Difference]: With dead ends: 11988 [2021-06-05 10:38:37,047 INFO L226 Difference]: Without dead ends: 11988 [2021-06-05 10:38:37,047 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1207.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:37,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11988 states. [2021-06-05 10:38:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11988 to 5450. [2021-06-05 10:38:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 5448 states have (on average 2.6490455212922175) internal successors, (14432), 5449 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 14432 transitions. [2021-06-05 10:38:37,143 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 14432 transitions. Word has length 114 [2021-06-05 10:38:37,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:37,143 INFO L482 AbstractCegarLoop]: Abstraction has 5450 states and 14432 transitions. [2021-06-05 10:38:37,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 14432 transitions. [2021-06-05 10:38:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:37,147 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:37,148 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:37,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324 [2021-06-05 10:38:37,148 INFO L430 AbstractCegarLoop]: === Iteration 326 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:37,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:37,148 INFO L82 PathProgramCache]: Analyzing trace with hash 473070286, now seen corresponding path program 320 times [2021-06-05 10:38:37,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:37,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633235464] [2021-06-05 10:38:37,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:37,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:37,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633235464] [2021-06-05 10:38:37,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633235464] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:37,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:37,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:37,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030423592] [2021-06-05 10:38:37,450 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:37,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:37,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:37,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:37,450 INFO L87 Difference]: Start difference. First operand 5450 states and 14432 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:38,161 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:38,315 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:38,485 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:38,665 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:38,777 INFO L93 Difference]: Finished difference Result 9046 states and 23206 transitions. [2021-06-05 10:38:38,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:38,777 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:38,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:38,785 INFO L225 Difference]: With dead ends: 9046 [2021-06-05 10:38:38,786 INFO L226 Difference]: Without dead ends: 9046 [2021-06-05 10:38:38,786 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1222.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:38,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9046 states. [2021-06-05 10:38:38,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9046 to 5322. [2021-06-05 10:38:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 5320 states have (on average 2.643609022556391) internal successors, (14064), 5321 states have internal predecessors, (14064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 14064 transitions. [2021-06-05 10:38:38,864 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 14064 transitions. Word has length 114 [2021-06-05 10:38:38,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:38,864 INFO L482 AbstractCegarLoop]: Abstraction has 5322 states and 14064 transitions. [2021-06-05 10:38:38,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 14064 transitions. [2021-06-05 10:38:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:38,869 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:38,869 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:38,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable325 [2021-06-05 10:38:38,869 INFO L430 AbstractCegarLoop]: === Iteration 327 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:38,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1609392368, now seen corresponding path program 321 times [2021-06-05 10:38:38,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:38,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724652419] [2021-06-05 10:38:38,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:39,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:39,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724652419] [2021-06-05 10:38:39,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724652419] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:39,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:39,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:39,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175954523] [2021-06-05 10:38:39,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:39,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:39,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:39,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:39,206 INFO L87 Difference]: Start difference. First operand 5322 states and 14064 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:39,919 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:40,060 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:40,219 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:40,396 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:40,536 INFO L93 Difference]: Finished difference Result 12550 states and 32321 transitions. [2021-06-05 10:38:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:40,536 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:40,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:40,549 INFO L225 Difference]: With dead ends: 12550 [2021-06-05 10:38:40,549 INFO L226 Difference]: Without dead ends: 12550 [2021-06-05 10:38:40,549 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1223.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12550 states. [2021-06-05 10:38:40,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12550 to 5402. [2021-06-05 10:38:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5400 states have (on average 2.647037037037037) internal successors, (14294), 5401 states have internal predecessors, (14294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 14294 transitions. [2021-06-05 10:38:40,654 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 14294 transitions. Word has length 114 [2021-06-05 10:38:40,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:40,654 INFO L482 AbstractCegarLoop]: Abstraction has 5402 states and 14294 transitions. [2021-06-05 10:38:40,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 14294 transitions. [2021-06-05 10:38:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:40,659 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:40,659 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:40,659 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable326 [2021-06-05 10:38:40,659 INFO L430 AbstractCegarLoop]: === Iteration 328 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:40,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:40,660 INFO L82 PathProgramCache]: Analyzing trace with hash 526082254, now seen corresponding path program 322 times [2021-06-05 10:38:40,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:40,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112210351] [2021-06-05 10:38:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:40,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:40,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112210351] [2021-06-05 10:38:40,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112210351] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:40,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:40,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:40,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231650685] [2021-06-05 10:38:40,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:40,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:40,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:40,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:40,949 INFO L87 Difference]: Start difference. First operand 5402 states and 14294 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:41,528 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-06-05 10:38:41,666 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:41,805 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:41,972 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:42,140 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:42,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:42,267 INFO L93 Difference]: Finished difference Result 13396 states and 34181 transitions. [2021-06-05 10:38:42,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:42,268 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:42,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:42,280 INFO L225 Difference]: With dead ends: 13396 [2021-06-05 10:38:42,280 INFO L226 Difference]: Without dead ends: 13396 [2021-06-05 10:38:42,280 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1223.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:42,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13396 states. [2021-06-05 10:38:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13396 to 5386. [2021-06-05 10:38:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 5384 states have (on average 2.6463595839524516) internal successors, (14248), 5385 states have internal predecessors, (14248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 14248 transitions. [2021-06-05 10:38:42,383 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 14248 transitions. Word has length 114 [2021-06-05 10:38:42,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:42,384 INFO L482 AbstractCegarLoop]: Abstraction has 5386 states and 14248 transitions. [2021-06-05 10:38:42,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 14248 transitions. [2021-06-05 10:38:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:42,388 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:42,388 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:42,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable327 [2021-06-05 10:38:42,388 INFO L430 AbstractCegarLoop]: === Iteration 329 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:42,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:42,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1323945714, now seen corresponding path program 323 times [2021-06-05 10:38:42,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:42,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438069248] [2021-06-05 10:38:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:42,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:42,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438069248] [2021-06-05 10:38:42,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438069248] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:42,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:42,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:42,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175391534] [2021-06-05 10:38:42,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:42,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:42,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:42,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:42,678 INFO L87 Difference]: Start difference. First operand 5386 states and 14248 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:43,499 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:43,641 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:43,806 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:43,978 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:44,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:44,119 INFO L93 Difference]: Finished difference Result 16602 states and 42295 transitions. [2021-06-05 10:38:44,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:44,120 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:44,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:44,135 INFO L225 Difference]: With dead ends: 16602 [2021-06-05 10:38:44,135 INFO L226 Difference]: Without dead ends: 16602 [2021-06-05 10:38:44,136 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1288.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16602 states. [2021-06-05 10:38:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16602 to 5402. [2021-06-05 10:38:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5400 states have (on average 2.647037037037037) internal successors, (14294), 5401 states have internal predecessors, (14294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 14294 transitions. [2021-06-05 10:38:44,255 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 14294 transitions. Word has length 114 [2021-06-05 10:38:44,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:44,255 INFO L482 AbstractCegarLoop]: Abstraction has 5402 states and 14294 transitions. [2021-06-05 10:38:44,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 14294 transitions. [2021-06-05 10:38:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:44,259 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:44,259 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:44,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable328 [2021-06-05 10:38:44,260 INFO L430 AbstractCegarLoop]: === Iteration 330 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:44,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:44,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1075398734, now seen corresponding path program 324 times [2021-06-05 10:38:44,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:44,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354775915] [2021-06-05 10:38:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:44,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:44,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354775915] [2021-06-05 10:38:44,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354775915] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:44,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:44,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:44,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090337136] [2021-06-05 10:38:44,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:44,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:44,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:44,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:44,562 INFO L87 Difference]: Start difference. First operand 5402 states and 14294 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:45,270 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:45,413 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:45,569 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:45,744 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:45,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:45,863 INFO L93 Difference]: Finished difference Result 13560 states and 34633 transitions. [2021-06-05 10:38:45,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:45,864 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:45,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:45,877 INFO L225 Difference]: With dead ends: 13560 [2021-06-05 10:38:45,877 INFO L226 Difference]: Without dead ends: 13560 [2021-06-05 10:38:45,878 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1211.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:45,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13560 states. [2021-06-05 10:38:45,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13560 to 5370. [2021-06-05 10:38:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5370 states, 5368 states have (on average 2.645678092399404) internal successors, (14202), 5369 states have internal predecessors, (14202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 5370 states and 14202 transitions. [2021-06-05 10:38:45,983 INFO L78 Accepts]: Start accepts. Automaton has 5370 states and 14202 transitions. Word has length 114 [2021-06-05 10:38:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:45,983 INFO L482 AbstractCegarLoop]: Abstraction has 5370 states and 14202 transitions. [2021-06-05 10:38:45,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 5370 states and 14202 transitions. [2021-06-05 10:38:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:45,987 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:45,987 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:45,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329 [2021-06-05 10:38:45,988 INFO L430 AbstractCegarLoop]: === Iteration 331 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:45,988 INFO L82 PathProgramCache]: Analyzing trace with hash 55128428, now seen corresponding path program 325 times [2021-06-05 10:38:45,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:45,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418363217] [2021-06-05 10:38:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:46,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:46,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418363217] [2021-06-05 10:38:46,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418363217] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:46,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:46,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:46,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913321670] [2021-06-05 10:38:46,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:46,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:46,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:46,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:46,288 INFO L87 Difference]: Start difference. First operand 5370 states and 14202 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:46,993 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:47,152 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:47,326 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:47,507 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:47,674 INFO L93 Difference]: Finished difference Result 17082 states and 43627 transitions. [2021-06-05 10:38:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:47,674 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:47,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:47,691 INFO L225 Difference]: With dead ends: 17082 [2021-06-05 10:38:47,691 INFO L226 Difference]: Without dead ends: 17082 [2021-06-05 10:38:47,691 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1220.6ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17082 states. [2021-06-05 10:38:47,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17082 to 5418. [2021-06-05 10:38:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5418 states, 5416 states have (on average 2.6477104874446087) internal successors, (14340), 5417 states have internal predecessors, (14340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 14340 transitions. [2021-06-05 10:38:47,819 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 14340 transitions. Word has length 114 [2021-06-05 10:38:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:47,820 INFO L482 AbstractCegarLoop]: Abstraction has 5418 states and 14340 transitions. [2021-06-05 10:38:47,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 14340 transitions. [2021-06-05 10:38:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:47,824 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:47,824 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:47,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable330 [2021-06-05 10:38:47,825 INFO L430 AbstractCegarLoop]: === Iteration 332 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:47,825 INFO L82 PathProgramCache]: Analyzing trace with hash -193418552, now seen corresponding path program 326 times [2021-06-05 10:38:47,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:47,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15549567] [2021-06-05 10:38:47,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:48,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:48,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15549567] [2021-06-05 10:38:48,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15549567] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:48,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:48,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:48,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013735467] [2021-06-05 10:38:48,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:48,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:48,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:48,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:48,153 INFO L87 Difference]: Start difference. First operand 5418 states and 14340 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:48,843 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:48,997 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:49,156 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:49,333 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:49,471 INFO L93 Difference]: Finished difference Result 16918 states and 43225 transitions. [2021-06-05 10:38:49,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:49,472 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:49,488 INFO L225 Difference]: With dead ends: 16918 [2021-06-05 10:38:49,488 INFO L226 Difference]: Without dead ends: 16918 [2021-06-05 10:38:49,489 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1206.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:49,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16918 states. [2021-06-05 10:38:49,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16918 to 5402. [2021-06-05 10:38:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5400 states have (on average 2.647037037037037) internal successors, (14294), 5401 states have internal predecessors, (14294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 14294 transitions. [2021-06-05 10:38:49,612 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 14294 transitions. Word has length 114 [2021-06-05 10:38:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:49,612 INFO L482 AbstractCegarLoop]: Abstraction has 5402 states and 14294 transitions. [2021-06-05 10:38:49,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 14294 transitions. [2021-06-05 10:38:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:49,617 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:49,617 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:49,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable331 [2021-06-05 10:38:49,617 INFO L430 AbstractCegarLoop]: === Iteration 333 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:49,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1350235856, now seen corresponding path program 327 times [2021-06-05 10:38:49,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:49,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263044155] [2021-06-05 10:38:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:49,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:49,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263044155] [2021-06-05 10:38:49,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263044155] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:49,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:49,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:49,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24479357] [2021-06-05 10:38:49,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:49,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:49,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:49,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:49,924 INFO L87 Difference]: Start difference. First operand 5402 states and 14294 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:50,613 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:50,747 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:50,917 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:51,095 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:51,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:51,238 INFO L93 Difference]: Finished difference Result 13976 states and 35797 transitions. [2021-06-05 10:38:51,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:51,239 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:51,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:51,252 INFO L225 Difference]: With dead ends: 13976 [2021-06-05 10:38:51,252 INFO L226 Difference]: Without dead ends: 13976 [2021-06-05 10:38:51,252 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1199.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:51,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13976 states. [2021-06-05 10:38:51,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13976 to 5338. [2021-06-05 10:38:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5338 states, 5336 states have (on average 2.644302848575712) internal successors, (14110), 5337 states have internal predecessors, (14110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5338 states to 5338 states and 14110 transitions. [2021-06-05 10:38:51,358 INFO L78 Accepts]: Start accepts. Automaton has 5338 states and 14110 transitions. Word has length 114 [2021-06-05 10:38:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:51,358 INFO L482 AbstractCegarLoop]: Abstraction has 5338 states and 14110 transitions. [2021-06-05 10:38:51,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 5338 states and 14110 transitions. [2021-06-05 10:38:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:51,363 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:51,363 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:51,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable332 [2021-06-05 10:38:51,364 INFO L430 AbstractCegarLoop]: === Iteration 334 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:51,364 INFO L82 PathProgramCache]: Analyzing trace with hash 459488010, now seen corresponding path program 328 times [2021-06-05 10:38:51,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:51,364 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519900303] [2021-06-05 10:38:51,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:51,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:51,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519900303] [2021-06-05 10:38:51,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519900303] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:51,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:51,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:51,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860070966] [2021-06-05 10:38:51,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:51,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:51,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:51,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:51,674 INFO L87 Difference]: Start difference. First operand 5338 states and 14110 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:52,355 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:52,508 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:52,676 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:38:52,851 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:38:52,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:52,985 INFO L93 Difference]: Finished difference Result 12648 states and 32414 transitions. [2021-06-05 10:38:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:52,985 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:52,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:52,998 INFO L225 Difference]: With dead ends: 12648 [2021-06-05 10:38:52,998 INFO L226 Difference]: Without dead ends: 12648 [2021-06-05 10:38:52,998 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1225.3ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12648 states. [2021-06-05 10:38:53,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12648 to 5402. [2021-06-05 10:38:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5400 states have (on average 2.647037037037037) internal successors, (14294), 5401 states have internal predecessors, (14294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 14294 transitions. [2021-06-05 10:38:53,106 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 14294 transitions. Word has length 114 [2021-06-05 10:38:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:53,107 INFO L482 AbstractCegarLoop]: Abstraction has 5402 states and 14294 transitions. [2021-06-05 10:38:53,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:53,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 14294 transitions. [2021-06-05 10:38:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:53,112 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:53,112 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:53,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable333 [2021-06-05 10:38:53,112 INFO L430 AbstractCegarLoop]: === Iteration 335 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:53,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:53,112 INFO L82 PathProgramCache]: Analyzing trace with hash 210941030, now seen corresponding path program 329 times [2021-06-05 10:38:53,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:53,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285771674] [2021-06-05 10:38:53,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:53,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:53,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285771674] [2021-06-05 10:38:53,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285771674] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:53,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:53,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:53,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989728109] [2021-06-05 10:38:53,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:53,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:53,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:53,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:53,427 INFO L87 Difference]: Start difference. First operand 5402 states and 14294 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:54,110 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:54,263 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:54,439 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:54,617 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:54,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:54,737 INFO L93 Difference]: Finished difference Result 12484 states and 32012 transitions. [2021-06-05 10:38:54,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:54,738 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:54,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:54,751 INFO L225 Difference]: With dead ends: 12484 [2021-06-05 10:38:54,751 INFO L226 Difference]: Without dead ends: 12484 [2021-06-05 10:38:54,752 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1217.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:54,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12484 states. [2021-06-05 10:38:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12484 to 5386. [2021-06-05 10:38:54,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 5384 states have (on average 2.6463595839524516) internal successors, (14248), 5385 states have internal predecessors, (14248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 14248 transitions. [2021-06-05 10:38:54,853 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 14248 transitions. Word has length 114 [2021-06-05 10:38:54,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:54,853 INFO L482 AbstractCegarLoop]: Abstraction has 5386 states and 14248 transitions. [2021-06-05 10:38:54,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 14248 transitions. [2021-06-05 10:38:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:54,858 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:54,858 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:54,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable334 [2021-06-05 10:38:54,858 INFO L430 AbstractCegarLoop]: === Iteration 336 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:54,858 INFO L82 PathProgramCache]: Analyzing trace with hash -945876274, now seen corresponding path program 330 times [2021-06-05 10:38:54,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:54,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937711582] [2021-06-05 10:38:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:55,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:55,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937711582] [2021-06-05 10:38:55,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937711582] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:55,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:55,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:55,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318376701] [2021-06-05 10:38:55,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:55,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:55,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:55,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:55,169 INFO L87 Difference]: Start difference. First operand 5386 states and 14248 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:55,870 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:38:56,005 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:56,179 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:56,362 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:56,496 INFO L93 Difference]: Finished difference Result 12772 states and 32840 transitions. [2021-06-05 10:38:56,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:56,497 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:56,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:56,509 INFO L225 Difference]: With dead ends: 12772 [2021-06-05 10:38:56,509 INFO L226 Difference]: Without dead ends: 12772 [2021-06-05 10:38:56,509 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1205.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12772 states. [2021-06-05 10:38:56,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12772 to 5354. [2021-06-05 10:38:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5354 states, 5352 states have (on average 2.6449925261584455) internal successors, (14156), 5353 states have internal predecessors, (14156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 14156 transitions. [2021-06-05 10:38:56,609 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 14156 transitions. Word has length 114 [2021-06-05 10:38:56,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:56,609 INFO L482 AbstractCegarLoop]: Abstraction has 5354 states and 14156 transitions. [2021-06-05 10:38:56,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 14156 transitions. [2021-06-05 10:38:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:56,613 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:56,614 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:56,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable335 [2021-06-05 10:38:56,614 INFO L430 AbstractCegarLoop]: === Iteration 337 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:56,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:56,614 INFO L82 PathProgramCache]: Analyzing trace with hash 762306864, now seen corresponding path program 331 times [2021-06-05 10:38:56,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:56,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280616654] [2021-06-05 10:38:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:56,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:56,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280616654] [2021-06-05 10:38:56,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280616654] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:56,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:56,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:56,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111539247] [2021-06-05 10:38:56,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:56,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:56,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:56,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:56,928 INFO L87 Difference]: Start difference. First operand 5354 states and 14156 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:57,529 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-06-05 10:38:57,782 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:38:57,953 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:58,132 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:58,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:58,247 INFO L93 Difference]: Finished difference Result 9414 states and 24248 transitions. [2021-06-05 10:38:58,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:58,248 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:58,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:58,257 INFO L225 Difference]: With dead ends: 9414 [2021-06-05 10:38:58,257 INFO L226 Difference]: Without dead ends: 9414 [2021-06-05 10:38:58,257 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1225.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9414 states. [2021-06-05 10:38:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9414 to 5290. [2021-06-05 10:38:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5290 states, 5288 states have (on average 2.6422087745839637) internal successors, (13972), 5289 states have internal predecessors, (13972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5290 states to 5290 states and 13972 transitions. [2021-06-05 10:38:58,341 INFO L78 Accepts]: Start accepts. Automaton has 5290 states and 13972 transitions. Word has length 114 [2021-06-05 10:38:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:58,341 INFO L482 AbstractCegarLoop]: Abstraction has 5290 states and 13972 transitions. [2021-06-05 10:38:58,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 5290 states and 13972 transitions. [2021-06-05 10:38:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:38:58,346 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:58,346 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:58,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable336 [2021-06-05 10:38:58,346 INFO L430 AbstractCegarLoop]: === Iteration 338 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:38:58,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:58,346 INFO L82 PathProgramCache]: Analyzing trace with hash 804610408, now seen corresponding path program 332 times [2021-06-05 10:38:58,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:58,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620330723] [2021-06-05 10:38:58,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:58,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:58,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620330723] [2021-06-05 10:38:58,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620330723] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:58,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:58,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:38:58,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318975265] [2021-06-05 10:38:58,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:38:58,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:58,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:38:58,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:38:58,641 INFO L87 Difference]: Start difference. First operand 5290 states and 13972 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:59,345 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:38:59,488 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:38:59,645 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:38:59,820 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:38:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:59,936 INFO L93 Difference]: Finished difference Result 6978 states and 17939 transitions. [2021-06-05 10:38:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:38:59,937 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:38:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:59,943 INFO L225 Difference]: With dead ends: 6978 [2021-06-05 10:38:59,943 INFO L226 Difference]: Without dead ends: 6978 [2021-06-05 10:38:59,944 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1193.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:38:59,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6978 states. [2021-06-05 10:39:00,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6978 to 5198. [2021-06-05 10:39:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 5196 states have (on average 2.638183217859892) internal successors, (13708), 5197 states have internal predecessors, (13708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 13708 transitions. [2021-06-05 10:39:00,014 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 13708 transitions. Word has length 114 [2021-06-05 10:39:00,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:00,014 INFO L482 AbstractCegarLoop]: Abstraction has 5198 states and 13708 transitions. [2021-06-05 10:39:00,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 13708 transitions. [2021-06-05 10:39:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:00,019 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:00,019 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:00,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable337 [2021-06-05 10:39:00,019 INFO L430 AbstractCegarLoop]: === Iteration 339 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:00,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1354882266, now seen corresponding path program 333 times [2021-06-05 10:39:00,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:00,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982044668] [2021-06-05 10:39:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:00,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:00,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982044668] [2021-06-05 10:39:00,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982044668] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:00,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:00,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:00,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100378226] [2021-06-05 10:39:00,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:00,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:00,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:00,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:00,309 INFO L87 Difference]: Start difference. First operand 5198 states and 13708 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:01,005 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:39:01,144 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:01,309 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:39:01,477 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:39:01,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:01,584 INFO L93 Difference]: Finished difference Result 7824 states and 19799 transitions. [2021-06-05 10:39:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:01,584 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:01,591 INFO L225 Difference]: With dead ends: 7824 [2021-06-05 10:39:01,591 INFO L226 Difference]: Without dead ends: 7824 [2021-06-05 10:39:01,591 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.2ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:01,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7824 states. [2021-06-05 10:39:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7824 to 5182. [2021-06-05 10:39:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5180 states have (on average 2.6374517374517374) internal successors, (13662), 5181 states have internal predecessors, (13662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 13662 transitions. [2021-06-05 10:39:01,666 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 13662 transitions. Word has length 114 [2021-06-05 10:39:01,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:01,667 INFO L482 AbstractCegarLoop]: Abstraction has 5182 states and 13662 transitions. [2021-06-05 10:39:01,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 13662 transitions. [2021-06-05 10:39:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:01,671 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:01,671 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:01,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable338 [2021-06-05 10:39:01,671 INFO L430 AbstractCegarLoop]: === Iteration 340 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:01,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:01,672 INFO L82 PathProgramCache]: Analyzing trace with hash -557018806, now seen corresponding path program 334 times [2021-06-05 10:39:01,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:01,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89577863] [2021-06-05 10:39:01,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:01,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:01,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89577863] [2021-06-05 10:39:01,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89577863] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:01,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:01,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:01,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423657637] [2021-06-05 10:39:01,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:01,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:01,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:01,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:01,960 INFO L87 Difference]: Start difference. First operand 5182 states and 13662 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:02,629 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:39:02,767 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:02,928 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:39:03,098 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:39:03,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:03,212 INFO L93 Difference]: Finished difference Result 11030 states and 27913 transitions. [2021-06-05 10:39:03,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:03,212 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:03,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:03,220 INFO L225 Difference]: With dead ends: 11030 [2021-06-05 10:39:03,220 INFO L226 Difference]: Without dead ends: 11030 [2021-06-05 10:39:03,221 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1189.5ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:03,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11030 states. [2021-06-05 10:39:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11030 to 5198. [2021-06-05 10:39:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 5196 states have (on average 2.638183217859892) internal successors, (13708), 5197 states have internal predecessors, (13708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 13708 transitions. [2021-06-05 10:39:03,312 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 13708 transitions. Word has length 114 [2021-06-05 10:39:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:03,312 INFO L482 AbstractCegarLoop]: Abstraction has 5198 states and 13708 transitions. [2021-06-05 10:39:03,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 13708 transitions. [2021-06-05 10:39:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:03,316 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:03,317 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:03,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable339 [2021-06-05 10:39:03,317 INFO L430 AbstractCegarLoop]: === Iteration 341 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:03,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:03,317 INFO L82 PathProgramCache]: Analyzing trace with hash -805565786, now seen corresponding path program 335 times [2021-06-05 10:39:03,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:03,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674650724] [2021-06-05 10:39:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:03,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:03,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674650724] [2021-06-05 10:39:03,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674650724] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:03,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:03,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:03,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129531367] [2021-06-05 10:39:03,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:03,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:03,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:03,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:03,602 INFO L87 Difference]: Start difference. First operand 5198 states and 13708 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:04,292 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-06-05 10:39:04,433 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:04,599 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:04,771 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:04,864 INFO L93 Difference]: Finished difference Result 7988 states and 20251 transitions. [2021-06-05 10:39:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:04,864 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:04,870 INFO L225 Difference]: With dead ends: 7988 [2021-06-05 10:39:04,870 INFO L226 Difference]: Without dead ends: 7988 [2021-06-05 10:39:04,870 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1213.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:04,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7988 states. [2021-06-05 10:39:04,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7988 to 5166. [2021-06-05 10:39:04,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5164 states have (on average 2.6367157242447714) internal successors, (13616), 5165 states have internal predecessors, (13616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 13616 transitions. [2021-06-05 10:39:04,930 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 13616 transitions. Word has length 114 [2021-06-05 10:39:04,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:04,931 INFO L482 AbstractCegarLoop]: Abstraction has 5166 states and 13616 transitions. [2021-06-05 10:39:04,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 13616 transitions. [2021-06-05 10:39:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:04,934 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:04,934 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:04,934 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable340 [2021-06-05 10:39:04,934 INFO L430 AbstractCegarLoop]: === Iteration 342 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:04,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:04,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1825836092, now seen corresponding path program 336 times [2021-06-05 10:39:04,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:04,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894314970] [2021-06-05 10:39:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:05,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:05,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:05,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894314970] [2021-06-05 10:39:05,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894314970] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:05,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:05,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:05,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391048674] [2021-06-05 10:39:05,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:05,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:05,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:05,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:05,225 INFO L87 Difference]: Start difference. First operand 5166 states and 13616 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:05,911 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:06,067 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:06,236 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:39:06,411 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:39:06,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:06,543 INFO L93 Difference]: Finished difference Result 11510 states and 29245 transitions. [2021-06-05 10:39:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:06,544 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:06,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:06,552 INFO L225 Difference]: With dead ends: 11510 [2021-06-05 10:39:06,553 INFO L226 Difference]: Without dead ends: 11510 [2021-06-05 10:39:06,553 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1202.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:06,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11510 states. [2021-06-05 10:39:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11510 to 5214. [2021-06-05 10:39:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 5212 states have (on average 2.638910207214121) internal successors, (13754), 5213 states have internal predecessors, (13754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 13754 transitions. [2021-06-05 10:39:06,627 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 13754 transitions. Word has length 114 [2021-06-05 10:39:06,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:06,628 INFO L482 AbstractCegarLoop]: Abstraction has 5214 states and 13754 transitions. [2021-06-05 10:39:06,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 13754 transitions. [2021-06-05 10:39:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:06,632 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:06,632 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:06,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable341 [2021-06-05 10:39:06,632 INFO L430 AbstractCegarLoop]: === Iteration 343 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:06,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2074383072, now seen corresponding path program 337 times [2021-06-05 10:39:06,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:06,632 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069775675] [2021-06-05 10:39:06,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:06,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:06,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069775675] [2021-06-05 10:39:06,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069775675] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:06,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:06,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:06,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060429404] [2021-06-05 10:39:06,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:06,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:06,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:06,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:06,953 INFO L87 Difference]: Start difference. First operand 5214 states and 13754 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:07,645 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:07,800 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:07,957 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:08,134 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:08,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:08,253 INFO L93 Difference]: Finished difference Result 11346 states and 28843 transitions. [2021-06-05 10:39:08,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:08,253 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:08,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:08,262 INFO L225 Difference]: With dead ends: 11346 [2021-06-05 10:39:08,262 INFO L226 Difference]: Without dead ends: 11346 [2021-06-05 10:39:08,262 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1227.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:08,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11346 states. [2021-06-05 10:39:08,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11346 to 5198. [2021-06-05 10:39:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 5196 states have (on average 2.638183217859892) internal successors, (13708), 5197 states have internal predecessors, (13708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 13708 transitions. [2021-06-05 10:39:08,340 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 13708 transitions. Word has length 114 [2021-06-05 10:39:08,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:08,340 INFO L482 AbstractCegarLoop]: Abstraction has 5198 states and 13708 transitions. [2021-06-05 10:39:08,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 13708 transitions. [2021-06-05 10:39:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:08,344 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:08,344 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:08,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable342 [2021-06-05 10:39:08,344 INFO L430 AbstractCegarLoop]: === Iteration 344 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:08,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:08,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1063766920, now seen corresponding path program 338 times [2021-06-05 10:39:08,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:08,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801723169] [2021-06-05 10:39:08,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:08,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:08,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801723169] [2021-06-05 10:39:08,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801723169] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:08,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:08,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:08,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679472873] [2021-06-05 10:39:08,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:08,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:08,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:08,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:08,640 INFO L87 Difference]: Start difference. First operand 5198 states and 13708 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:09,329 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:09,463 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:39:09,634 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:09,811 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:09,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:09,920 INFO L93 Difference]: Finished difference Result 8404 states and 21415 transitions. [2021-06-05 10:39:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:09,920 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:09,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:09,928 INFO L225 Difference]: With dead ends: 8404 [2021-06-05 10:39:09,929 INFO L226 Difference]: Without dead ends: 8404 [2021-06-05 10:39:09,929 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1189.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8404 states. [2021-06-05 10:39:09,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8404 to 5134. [2021-06-05 10:39:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5134 states, 5132 states have (on average 2.6352299298519095) internal successors, (13524), 5133 states have internal predecessors, (13524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 13524 transitions. [2021-06-05 10:39:10,002 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 13524 transitions. Word has length 114 [2021-06-05 10:39:10,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:10,002 INFO L482 AbstractCegarLoop]: Abstraction has 5134 states and 13524 transitions. [2021-06-05 10:39:10,003 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 13524 transitions. [2021-06-05 10:39:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:10,007 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:10,007 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:10,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable343 [2021-06-05 10:39:10,007 INFO L430 AbstractCegarLoop]: === Iteration 345 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:10,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:10,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1421476510, now seen corresponding path program 339 times [2021-06-05 10:39:10,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:10,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050656691] [2021-06-05 10:39:10,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:10,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:10,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050656691] [2021-06-05 10:39:10,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050656691] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:10,348 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:10,348 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:10,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616612854] [2021-06-05 10:39:10,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:10,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:10,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:10,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:10,349 INFO L87 Difference]: Start difference. First operand 5134 states and 13524 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:11,018 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:11,172 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:11,340 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:39:11,514 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:39:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:11,636 INFO L93 Difference]: Finished difference Result 11990 states and 30577 transitions. [2021-06-05 10:39:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:11,637 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:11,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:11,648 INFO L225 Difference]: With dead ends: 11990 [2021-06-05 10:39:11,648 INFO L226 Difference]: Without dead ends: 11990 [2021-06-05 10:39:11,648 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1226.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:11,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11990 states. [2021-06-05 10:39:11,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11990 to 5198. [2021-06-05 10:39:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 5196 states have (on average 2.638183217859892) internal successors, (13708), 5197 states have internal predecessors, (13708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 13708 transitions. [2021-06-05 10:39:11,740 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 13708 transitions. Word has length 114 [2021-06-05 10:39:11,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:11,740 INFO L482 AbstractCegarLoop]: Abstraction has 5198 states and 13708 transitions. [2021-06-05 10:39:11,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 13708 transitions. [2021-06-05 10:39:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:11,744 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:11,744 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:11,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable344 [2021-06-05 10:39:11,744 INFO L430 AbstractCegarLoop]: === Iteration 346 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:11,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1670023490, now seen corresponding path program 340 times [2021-06-05 10:39:11,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:11,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542273389] [2021-06-05 10:39:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:12,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:12,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542273389] [2021-06-05 10:39:12,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542273389] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:12,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:12,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:12,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905385596] [2021-06-05 10:39:12,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:12,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:12,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:12,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:12,049 INFO L87 Difference]: Start difference. First operand 5198 states and 13708 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:12,738 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:12,895 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:13,055 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:13,241 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:13,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:13,385 INFO L93 Difference]: Finished difference Result 11826 states and 30175 transitions. [2021-06-05 10:39:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:13,385 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:13,396 INFO L225 Difference]: With dead ends: 11826 [2021-06-05 10:39:13,397 INFO L226 Difference]: Without dead ends: 11826 [2021-06-05 10:39:13,397 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1216.4ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:13,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2021-06-05 10:39:13,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 5182. [2021-06-05 10:39:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5180 states have (on average 2.6374517374517374) internal successors, (13662), 5181 states have internal predecessors, (13662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 13662 transitions. [2021-06-05 10:39:13,493 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 13662 transitions. Word has length 114 [2021-06-05 10:39:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:13,493 INFO L482 AbstractCegarLoop]: Abstraction has 5182 states and 13662 transitions. [2021-06-05 10:39:13,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 13662 transitions. [2021-06-05 10:39:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:13,498 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:13,498 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:13,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable345 [2021-06-05 10:39:13,498 INFO L430 AbstractCegarLoop]: === Iteration 347 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:13,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:13,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1468126502, now seen corresponding path program 341 times [2021-06-05 10:39:13,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:13,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303118947] [2021-06-05 10:39:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:13,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:13,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303118947] [2021-06-05 10:39:13,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303118947] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:13,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:13,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:13,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161060575] [2021-06-05 10:39:13,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:13,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:13,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:13,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:13,824 INFO L87 Difference]: Start difference. First operand 5182 states and 13662 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:14,504 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:14,639 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:39:14,811 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:14,992 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:15,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:15,115 INFO L93 Difference]: Finished difference Result 12114 states and 31003 transitions. [2021-06-05 10:39:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:15,116 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:15,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:15,127 INFO L225 Difference]: With dead ends: 12114 [2021-06-05 10:39:15,127 INFO L226 Difference]: Without dead ends: 12114 [2021-06-05 10:39:15,128 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1213.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12114 states. [2021-06-05 10:39:15,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12114 to 5150. [2021-06-05 10:39:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5150 states, 5148 states have (on average 2.6359751359751358) internal successors, (13570), 5149 states have internal predecessors, (13570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 13570 transitions. [2021-06-05 10:39:15,220 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 13570 transitions. Word has length 114 [2021-06-05 10:39:15,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:15,220 INFO L482 AbstractCegarLoop]: Abstraction has 5150 states and 13570 transitions. [2021-06-05 10:39:15,221 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 13570 transitions. [2021-06-05 10:39:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:15,225 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:15,225 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:15,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346 [2021-06-05 10:39:15,225 INFO L430 AbstractCegarLoop]: === Iteration 348 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:15,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:15,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1118657656, now seen corresponding path program 342 times [2021-06-05 10:39:15,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:15,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451030689] [2021-06-05 10:39:15,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:15,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:15,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451030689] [2021-06-05 10:39:15,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451030689] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:15,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:15,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:15,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602205372] [2021-06-05 10:39:15,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:15,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:15,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:15,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:15,540 INFO L87 Difference]: Start difference. First operand 5150 states and 13570 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:16,367 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:39:16,564 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:16,744 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:16,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:16,862 INFO L93 Difference]: Finished difference Result 8756 states and 22411 transitions. [2021-06-05 10:39:16,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:16,862 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:16,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:16,870 INFO L225 Difference]: With dead ends: 8756 [2021-06-05 10:39:16,870 INFO L226 Difference]: Without dead ends: 8756 [2021-06-05 10:39:16,871 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1231.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:16,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8756 states. [2021-06-05 10:39:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8756 to 5118. [2021-06-05 10:39:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 5116 states have (on average 2.6344800625488665) internal successors, (13478), 5117 states have internal predecessors, (13478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 13478 transitions. [2021-06-05 10:39:16,955 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 13478 transitions. Word has length 114 [2021-06-05 10:39:16,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:16,955 INFO L482 AbstractCegarLoop]: Abstraction has 5118 states and 13478 transitions. [2021-06-05 10:39:16,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 13478 transitions. [2021-06-05 10:39:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:16,959 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:16,959 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:16,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable347 [2021-06-05 10:39:16,960 INFO L430 AbstractCegarLoop]: === Iteration 349 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash -244247026, now seen corresponding path program 343 times [2021-06-05 10:39:16,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:16,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573435396] [2021-06-05 10:39:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:17,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:17,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573435396] [2021-06-05 10:39:17,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573435396] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:17,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:17,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:17,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51453483] [2021-06-05 10:39:17,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:17,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:17,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:17,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:17,285 INFO L87 Difference]: Start difference. First operand 5118 states and 13478 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:17,974 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:18,130 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:18,300 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 10:39:18,488 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-06-05 10:39:18,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:18,606 INFO L93 Difference]: Finished difference Result 7060 states and 17986 transitions. [2021-06-05 10:39:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:18,607 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:18,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:18,614 INFO L225 Difference]: With dead ends: 7060 [2021-06-05 10:39:18,614 INFO L226 Difference]: Without dead ends: 7060 [2021-06-05 10:39:18,614 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1250.9ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:18,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7060 states. [2021-06-05 10:39:18,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7060 to 5010. [2021-06-05 10:39:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 5008 states have (on average 2.6293929712460065) internal successors, (13168), 5009 states have internal predecessors, (13168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 13168 transitions. [2021-06-05 10:39:18,686 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 13168 transitions. Word has length 114 [2021-06-05 10:39:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:18,686 INFO L482 AbstractCegarLoop]: Abstraction has 5010 states and 13168 transitions. [2021-06-05 10:39:18,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 13168 transitions. [2021-06-05 10:39:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:18,690 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:18,690 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:18,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable348 [2021-06-05 10:39:18,691 INFO L430 AbstractCegarLoop]: === Iteration 350 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:18,691 INFO L82 PathProgramCache]: Analyzing trace with hash -492794006, now seen corresponding path program 344 times [2021-06-05 10:39:18,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:18,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746198393] [2021-06-05 10:39:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:19,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:19,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746198393] [2021-06-05 10:39:19,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746198393] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:19,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:19,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:19,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209511158] [2021-06-05 10:39:19,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:19,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:19,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:19,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:19,011 INFO L87 Difference]: Start difference. First operand 5010 states and 13168 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:19,704 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:19,875 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-06-05 10:39:20,033 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:20,211 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:20,314 INFO L93 Difference]: Finished difference Result 6896 states and 17584 transitions. [2021-06-05 10:39:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:20,314 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:20,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:20,321 INFO L225 Difference]: With dead ends: 6896 [2021-06-05 10:39:20,321 INFO L226 Difference]: Without dead ends: 6896 [2021-06-05 10:39:20,321 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1227.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:20,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6896 states. [2021-06-05 10:39:20,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6896 to 4994. [2021-06-05 10:39:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4992 states have (on average 2.628605769230769) internal successors, (13122), 4993 states have internal predecessors, (13122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 13122 transitions. [2021-06-05 10:39:20,389 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 13122 transitions. Word has length 114 [2021-06-05 10:39:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:20,390 INFO L482 AbstractCegarLoop]: Abstraction has 4994 states and 13122 transitions. [2021-06-05 10:39:20,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:20,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 13122 transitions. [2021-06-05 10:39:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:20,394 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:20,394 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:20,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable349 [2021-06-05 10:39:20,394 INFO L430 AbstractCegarLoop]: === Iteration 351 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:20,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:20,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1649611310, now seen corresponding path program 345 times [2021-06-05 10:39:20,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:20,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107157128] [2021-06-05 10:39:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:20,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:20,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107157128] [2021-06-05 10:39:20,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107157128] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:20,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:20,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:20,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075201469] [2021-06-05 10:39:20,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:20,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:20,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:20,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:20,771 INFO L87 Difference]: Start difference. First operand 4994 states and 13122 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:21,460 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 10:39:21,593 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:39:21,764 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:21,945 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:22,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:22,053 INFO L93 Difference]: Finished difference Result 7184 states and 18412 transitions. [2021-06-05 10:39:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:22,053 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:22,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:22,060 INFO L225 Difference]: With dead ends: 7184 [2021-06-05 10:39:22,060 INFO L226 Difference]: Without dead ends: 7184 [2021-06-05 10:39:22,060 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1250.7ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7184 states. [2021-06-05 10:39:22,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7184 to 4962. [2021-06-05 10:39:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4962 states, 4960 states have (on average 2.627016129032258) internal successors, (13030), 4961 states have internal predecessors, (13030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4962 states to 4962 states and 13030 transitions. [2021-06-05 10:39:22,128 INFO L78 Accepts]: Start accepts. Automaton has 4962 states and 13030 transitions. Word has length 114 [2021-06-05 10:39:22,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:22,128 INFO L482 AbstractCegarLoop]: Abstraction has 4962 states and 13030 transitions. [2021-06-05 10:39:22,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4962 states and 13030 transitions. [2021-06-05 10:39:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:22,132 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:22,133 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:22,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350 [2021-06-05 10:39:22,133 INFO L430 AbstractCegarLoop]: === Iteration 352 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:22,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:22,133 INFO L82 PathProgramCache]: Analyzing trace with hash 58571828, now seen corresponding path program 346 times [2021-06-05 10:39:22,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:22,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040018495] [2021-06-05 10:39:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:22,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:22,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040018495] [2021-06-05 10:39:22,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040018495] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:22,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:22,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:22,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393366878] [2021-06-05 10:39:22,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:22,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:22,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:22,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:22,539 INFO L87 Difference]: Start difference. First operand 4962 states and 13030 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:23,118 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-06-05 10:39:23,365 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:39:23,537 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:23,719 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:23,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:23,824 INFO L93 Difference]: Finished difference Result 7472 states and 19240 transitions. [2021-06-05 10:39:23,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:23,824 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:23,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:23,832 INFO L225 Difference]: With dead ends: 7472 [2021-06-05 10:39:23,832 INFO L226 Difference]: Without dead ends: 7472 [2021-06-05 10:39:23,832 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1297.0ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:23,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2021-06-05 10:39:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 4946. [2021-06-05 10:39:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4946 states, 4944 states have (on average 2.6262135922330097) internal successors, (12984), 4945 states have internal predecessors, (12984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4946 states to 4946 states and 12984 transitions. [2021-06-05 10:39:23,902 INFO L78 Accepts]: Start accepts. Automaton has 4946 states and 12984 transitions. Word has length 114 [2021-06-05 10:39:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:23,902 INFO L482 AbstractCegarLoop]: Abstraction has 4946 states and 12984 transitions. [2021-06-05 10:39:23,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4946 states and 12984 transitions. [2021-06-05 10:39:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:23,906 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:23,906 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:23,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351 [2021-06-05 10:39:23,906 INFO L430 AbstractCegarLoop]: === Iteration 353 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:23,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:23,907 INFO L82 PathProgramCache]: Analyzing trace with hash -960210266, now seen corresponding path program 347 times [2021-06-05 10:39:23,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:23,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296900680] [2021-06-05 10:39:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:24,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:24,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296900680] [2021-06-05 10:39:24,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296900680] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:24,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:24,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:39:24,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073234855] [2021-06-05 10:39:24,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:39:24,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:24,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:39:24,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:39:24,241 INFO L87 Difference]: Start difference. First operand 4946 states and 12984 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:25,036 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-06-05 10:39:25,206 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 10:39:25,385 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-05 10:39:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:25,481 INFO L93 Difference]: Finished difference Result 3762 states and 9652 transitions. [2021-06-05 10:39:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:39:25,481 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:25,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:25,485 INFO L225 Difference]: With dead ends: 3762 [2021-06-05 10:39:25,485 INFO L226 Difference]: Without dead ends: 3762 [2021-06-05 10:39:25,485 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1212.1ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-06-05 10:39:25,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3762 states. [2021-06-05 10:39:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3762 to 3282. [2021-06-05 10:39:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3280 states have (on average 2.551219512195122) internal successors, (8368), 3281 states have internal predecessors, (8368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 8368 transitions. [2021-06-05 10:39:25,522 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 8368 transitions. Word has length 114 [2021-06-05 10:39:25,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:25,522 INFO L482 AbstractCegarLoop]: Abstraction has 3282 states and 8368 transitions. [2021-06-05 10:39:25,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 8368 transitions. [2021-06-05 10:39:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-06-05 10:39:25,525 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:25,525 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:25,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352 [2021-06-05 10:39:25,525 INFO L430 AbstractCegarLoop]: === Iteration 354 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:25,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:25,525 INFO L82 PathProgramCache]: Analyzing trace with hash -2081293722, now seen corresponding path program 348 times [2021-06-05 10:39:25,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:25,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902849052] [2021-06-05 10:39:25,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:25,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:25,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902849052] [2021-06-05 10:39:25,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902849052] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:25,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:25,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 10:39:25,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925827711] [2021-06-05 10:39:25,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 10:39:25,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:25,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 10:39:25,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:39:25,806 INFO L87 Difference]: Start difference. First operand 3282 states and 8368 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:26,386 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-05 10:39:26,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:26,709 INFO L93 Difference]: Finished difference Result 3614 states and 9038 transitions. [2021-06-05 10:39:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:39:26,709 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-06-05 10:39:26,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:26,712 INFO L225 Difference]: With dead ends: 3614 [2021-06-05 10:39:26,712 INFO L226 Difference]: Without dead ends: 3614 [2021-06-05 10:39:26,712 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 817.5ms TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:39:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2021-06-05 10:39:26,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 2995. [2021-06-05 10:39:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2994 states have (on average 2.5935203740814963) internal successors, (7765), 2994 states have internal predecessors, (7765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 7765 transitions. [2021-06-05 10:39:26,746 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 7765 transitions. Word has length 114 [2021-06-05 10:39:26,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:26,747 INFO L482 AbstractCegarLoop]: Abstraction has 2995 states and 7765 transitions. [2021-06-05 10:39:26,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 7765 transitions. [2021-06-05 10:39:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:39:26,749 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:26,749 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:26,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable353 [2021-06-05 10:39:26,749 INFO L430 AbstractCegarLoop]: === Iteration 355 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:26,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:26,749 INFO L82 PathProgramCache]: Analyzing trace with hash -670494409, now seen corresponding path program 1 times [2021-06-05 10:39:26,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:26,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476454995] [2021-06-05 10:39:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:28,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:28,160 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:28,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476454995] [2021-06-05 10:39:28,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476454995] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:28,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:28,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:39:28,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388564338] [2021-06-05 10:39:28,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:39:28,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:28,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:39:28,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1103, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:39:28,161 INFO L87 Difference]: Start difference. First operand 2995 states and 7765 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:29,034 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-05 10:39:29,210 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-06-05 10:39:29,418 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-06-05 10:39:29,858 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-06-05 10:39:30,126 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 10:39:30,429 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-06-05 10:39:30,810 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-06-05 10:39:31,201 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 92 [2021-06-05 10:39:31,742 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 94 [2021-06-05 10:39:33,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:33,416 INFO L93 Difference]: Finished difference Result 4106 states and 10488 transitions. [2021-06-05 10:39:33,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:39:33,417 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:39:33,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:33,420 INFO L225 Difference]: With dead ends: 4106 [2021-06-05 10:39:33,420 INFO L226 Difference]: Without dead ends: 3840 [2021-06-05 10:39:33,421 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 4743.4ms TimeCoverageRelationStatistics Valid=754, Invalid=3668, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 10:39:33,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-06-05 10:39:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3499. [2021-06-05 10:39:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3499 states, 3498 states have (on average 2.6040594625500284) internal successors, (9109), 3498 states have internal predecessors, (9109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3499 states and 9109 transitions. [2021-06-05 10:39:33,459 INFO L78 Accepts]: Start accepts. Automaton has 3499 states and 9109 transitions. Word has length 120 [2021-06-05 10:39:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:33,459 INFO L482 AbstractCegarLoop]: Abstraction has 3499 states and 9109 transitions. [2021-06-05 10:39:33,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3499 states and 9109 transitions. [2021-06-05 10:39:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:39:33,462 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:33,462 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:33,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354 [2021-06-05 10:39:33,462 INFO L430 AbstractCegarLoop]: === Iteration 356 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:33,463 INFO L82 PathProgramCache]: Analyzing trace with hash -801361073, now seen corresponding path program 2 times [2021-06-05 10:39:33,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:33,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168750815] [2021-06-05 10:39:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:34,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:34,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168750815] [2021-06-05 10:39:34,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168750815] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:34,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:34,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:39:34,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086694258] [2021-06-05 10:39:34,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:39:34,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:34,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:39:34,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:39:34,981 INFO L87 Difference]: Start difference. First operand 3499 states and 9109 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:35,893 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-05 10:39:36,071 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-06-05 10:39:36,283 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-06-05 10:39:36,726 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-06-05 10:39:36,976 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 10:39:37,265 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-06-05 10:39:37,646 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-06-05 10:39:38,067 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 92 [2021-06-05 10:39:38,618 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 94 [2021-06-05 10:39:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:40,378 INFO L93 Difference]: Finished difference Result 3937 states and 10031 transitions. [2021-06-05 10:39:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:39:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:39:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:40,382 INFO L225 Difference]: With dead ends: 3937 [2021-06-05 10:39:40,382 INFO L226 Difference]: Without dead ends: 3804 [2021-06-05 10:39:40,382 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 5064.5ms TimeCoverageRelationStatistics Valid=758, Invalid=3798, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 10:39:40,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2021-06-05 10:39:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3463. [2021-06-05 10:39:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3463 states, 3462 states have (on average 2.603408434430965) internal successors, (9013), 3462 states have internal predecessors, (9013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 9013 transitions. [2021-06-05 10:39:40,420 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 9013 transitions. Word has length 120 [2021-06-05 10:39:40,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:40,420 INFO L482 AbstractCegarLoop]: Abstraction has 3463 states and 9013 transitions. [2021-06-05 10:39:40,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 9013 transitions. [2021-06-05 10:39:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:39:40,423 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:40,423 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:40,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable355 [2021-06-05 10:39:40,423 INFO L430 AbstractCegarLoop]: === Iteration 357 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:40,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:40,424 INFO L82 PathProgramCache]: Analyzing trace with hash -737052195, now seen corresponding path program 3 times [2021-06-05 10:39:40,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:40,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287392237] [2021-06-05 10:39:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:41,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:41,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287392237] [2021-06-05 10:39:41,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287392237] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:41,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:41,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:39:41,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721585110] [2021-06-05 10:39:41,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:39:41,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:41,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:39:41,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:39:41,869 INFO L87 Difference]: Start difference. First operand 3463 states and 9013 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:42,769 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-05 10:39:42,945 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-06-05 10:39:43,151 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-06-05 10:39:43,589 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-06-05 10:39:43,839 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 10:39:44,125 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-06-05 10:39:44,502 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-06-05 10:39:44,899 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 92 [2021-06-05 10:39:45,455 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 94 [2021-06-05 10:39:47,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:47,130 INFO L93 Difference]: Finished difference Result 3867 states and 9878 transitions. [2021-06-05 10:39:47,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:39:47,130 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:39:47,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:47,134 INFO L225 Difference]: With dead ends: 3867 [2021-06-05 10:39:47,134 INFO L226 Difference]: Without dead ends: 3554 [2021-06-05 10:39:47,134 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 4819.4ms TimeCoverageRelationStatistics Valid=720, Invalid=3570, Unknown=0, NotChecked=0, Total=4290 [2021-06-05 10:39:47,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2021-06-05 10:39:47,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3295. [2021-06-05 10:39:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3295 states, 3294 states have (on average 2.612325440194293) internal successors, (8605), 3294 states have internal predecessors, (8605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 8605 transitions. [2021-06-05 10:39:47,175 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 8605 transitions. Word has length 120 [2021-06-05 10:39:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:47,175 INFO L482 AbstractCegarLoop]: Abstraction has 3295 states and 8605 transitions. [2021-06-05 10:39:47,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 8605 transitions. [2021-06-05 10:39:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:39:47,178 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:47,178 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:47,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable356 [2021-06-05 10:39:47,178 INFO L430 AbstractCegarLoop]: === Iteration 358 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash 170838521, now seen corresponding path program 4 times [2021-06-05 10:39:47,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:47,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518455358] [2021-06-05 10:39:47,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:48,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:48,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518455358] [2021-06-05 10:39:48,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518455358] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:48,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:48,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:39:48,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308138192] [2021-06-05 10:39:48,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:39:48,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:48,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:39:48,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:39:48,135 INFO L87 Difference]: Start difference. First operand 3295 states and 8605 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:49,241 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-06-05 10:39:49,637 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 10:39:49,835 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-06-05 10:39:50,063 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 10:39:50,362 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 10:39:50,675 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-06-05 10:39:51,123 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-06-05 10:39:51,605 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-06-05 10:39:52,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:52,724 INFO L93 Difference]: Finished difference Result 3648 states and 9359 transitions. [2021-06-05 10:39:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:39:52,724 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:39:52,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:52,728 INFO L225 Difference]: With dead ends: 3648 [2021-06-05 10:39:52,728 INFO L226 Difference]: Without dead ends: 3489 [2021-06-05 10:39:52,728 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 4021.4ms TimeCoverageRelationStatistics Valid=743, Invalid=3547, Unknown=0, NotChecked=0, Total=4290 [2021-06-05 10:39:52,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2021-06-05 10:39:52,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3283. [2021-06-05 10:39:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3282 states have (on average 2.6145642900670323) internal successors, (8581), 3282 states have internal predecessors, (8581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 8581 transitions. [2021-06-05 10:39:52,770 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 8581 transitions. Word has length 120 [2021-06-05 10:39:52,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:52,770 INFO L482 AbstractCegarLoop]: Abstraction has 3283 states and 8581 transitions. [2021-06-05 10:39:52,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 8581 transitions. [2021-06-05 10:39:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:39:52,774 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:52,774 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:52,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable357 [2021-06-05 10:39:52,774 INFO L430 AbstractCegarLoop]: === Iteration 359 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:52,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:52,775 INFO L82 PathProgramCache]: Analyzing trace with hash 168565253, now seen corresponding path program 5 times [2021-06-05 10:39:52,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:52,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048084347] [2021-06-05 10:39:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:53,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:53,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048084347] [2021-06-05 10:39:53,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048084347] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:53,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:53,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:39:53,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873545270] [2021-06-05 10:39:53,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:39:53,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:53,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:39:53,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:39:53,747 INFO L87 Difference]: Start difference. First operand 3283 states and 8581 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:54,832 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-06-05 10:39:55,202 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 10:39:55,400 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-06-05 10:39:55,626 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 10:39:55,925 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 10:39:56,240 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-06-05 10:39:56,897 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 91 [2021-06-05 10:39:57,211 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 93 [2021-06-05 10:39:58,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:58,264 INFO L93 Difference]: Finished difference Result 3682 states and 9417 transitions. [2021-06-05 10:39:58,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:39:58,265 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:39:58,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:58,267 INFO L225 Difference]: With dead ends: 3682 [2021-06-05 10:39:58,268 INFO L226 Difference]: Without dead ends: 3459 [2021-06-05 10:39:58,268 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 3960.8ms TimeCoverageRelationStatistics Valid=724, Invalid=3436, Unknown=0, NotChecked=0, Total=4160 [2021-06-05 10:39:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2021-06-05 10:39:58,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 3249. [2021-06-05 10:39:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 3248 states have (on average 2.6096059113300494) internal successors, (8476), 3248 states have internal predecessors, (8476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 8476 transitions. [2021-06-05 10:39:58,301 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 8476 transitions. Word has length 120 [2021-06-05 10:39:58,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:58,301 INFO L482 AbstractCegarLoop]: Abstraction has 3249 states and 8476 transitions. [2021-06-05 10:39:58,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 8476 transitions. [2021-06-05 10:39:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:39:58,304 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:58,304 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:58,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable358 [2021-06-05 10:39:58,304 INFO L430 AbstractCegarLoop]: === Iteration 360 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:39:58,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:58,305 INFO L82 PathProgramCache]: Analyzing trace with hash 522859321, now seen corresponding path program 6 times [2021-06-05 10:39:58,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:58,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752093348] [2021-06-05 10:39:58,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:59,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:59,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752093348] [2021-06-05 10:39:59,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752093348] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:59,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:59,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:39:59,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893311190] [2021-06-05 10:39:59,223 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:39:59,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:59,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:39:59,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1103, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:39:59,223 INFO L87 Difference]: Start difference. First operand 3249 states and 8476 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:00,334 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2021-06-05 10:40:00,709 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2021-06-05 10:40:00,936 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 10:40:01,163 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-06-05 10:40:01,462 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 10:40:01,892 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 10:40:02,189 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-06-05 10:40:03,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:03,960 INFO L93 Difference]: Finished difference Result 4095 states and 10439 transitions. [2021-06-05 10:40:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:40:03,960 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:40:03,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:03,964 INFO L225 Difference]: With dead ends: 4095 [2021-06-05 10:40:03,964 INFO L226 Difference]: Without dead ends: 3829 [2021-06-05 10:40:03,964 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 4099.1ms TimeCoverageRelationStatistics Valid=792, Invalid=3900, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 10:40:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2021-06-05 10:40:03,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3477. [2021-06-05 10:40:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3477 states, 3476 states have (on average 2.5972382048331415) internal successors, (9028), 3476 states have internal predecessors, (9028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 9028 transitions. [2021-06-05 10:40:04,003 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 9028 transitions. Word has length 120 [2021-06-05 10:40:04,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:04,003 INFO L482 AbstractCegarLoop]: Abstraction has 3477 states and 9028 transitions. [2021-06-05 10:40:04,003 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 9028 transitions. [2021-06-05 10:40:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:40:04,006 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:04,006 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:04,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359 [2021-06-05 10:40:04,006 INFO L430 AbstractCegarLoop]: === Iteration 361 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:40:04,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:04,007 INFO L82 PathProgramCache]: Analyzing trace with hash 391992657, now seen corresponding path program 7 times [2021-06-05 10:40:04,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:04,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629561146] [2021-06-05 10:40:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:04,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:04,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629561146] [2021-06-05 10:40:04,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629561146] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:04,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:04,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:40:04,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788332122] [2021-06-05 10:40:04,914 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:40:04,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:04,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:40:04,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:40:04,915 INFO L87 Difference]: Start difference. First operand 3477 states and 9028 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:06,046 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2021-06-05 10:40:06,437 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2021-06-05 10:40:06,640 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 10:40:06,871 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-06-05 10:40:07,179 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 10:40:07,626 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 10:40:07,925 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-06-05 10:40:09,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:09,771 INFO L93 Difference]: Finished difference Result 3926 states and 9982 transitions. [2021-06-05 10:40:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 10:40:09,772 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:40:09,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:09,775 INFO L225 Difference]: With dead ends: 3926 [2021-06-05 10:40:09,775 INFO L226 Difference]: Without dead ends: 3793 [2021-06-05 10:40:09,776 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 810 ImplicationChecksByTransitivity, 4157.2ms TimeCoverageRelationStatistics Valid=796, Invalid=4034, Unknown=0, NotChecked=0, Total=4830 [2021-06-05 10:40:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2021-06-05 10:40:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 3441. [2021-06-05 10:40:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3441 states, 3440 states have (on average 2.5965116279069766) internal successors, (8932), 3440 states have internal predecessors, (8932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 8932 transitions. [2021-06-05 10:40:09,815 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 8932 transitions. Word has length 120 [2021-06-05 10:40:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:09,815 INFO L482 AbstractCegarLoop]: Abstraction has 3441 states and 8932 transitions. [2021-06-05 10:40:09,815 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 8932 transitions. [2021-06-05 10:40:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:40:09,818 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:09,818 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:09,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable360 [2021-06-05 10:40:09,818 INFO L430 AbstractCegarLoop]: === Iteration 362 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:40:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:09,819 INFO L82 PathProgramCache]: Analyzing trace with hash 456301535, now seen corresponding path program 8 times [2021-06-05 10:40:09,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:09,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479335626] [2021-06-05 10:40:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:10,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:10,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479335626] [2021-06-05 10:40:10,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479335626] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:10,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:10,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:40:10,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604623792] [2021-06-05 10:40:10,814 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:40:10,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:10,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:40:10,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:40:10,815 INFO L87 Difference]: Start difference. First operand 3441 states and 8932 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:11,927 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2021-06-05 10:40:12,304 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2021-06-05 10:40:12,521 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-05 10:40:12,747 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-06-05 10:40:13,043 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 10:40:13,476 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 10:40:13,767 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-06-05 10:40:15,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:15,502 INFO L93 Difference]: Finished difference Result 3856 states and 9829 transitions. [2021-06-05 10:40:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:40:15,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:15,505 INFO L225 Difference]: With dead ends: 3856 [2021-06-05 10:40:15,505 INFO L226 Difference]: Without dead ends: 3543 [2021-06-05 10:40:15,506 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 4115.8ms TimeCoverageRelationStatistics Valid=761, Invalid=3795, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 10:40:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2021-06-05 10:40:15,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3273. [2021-06-05 10:40:15,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3273 states, 3272 states have (on average 2.6051344743276283) internal successors, (8524), 3272 states have internal predecessors, (8524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 3273 states and 8524 transitions. [2021-06-05 10:40:15,542 INFO L78 Accepts]: Start accepts. Automaton has 3273 states and 8524 transitions. Word has length 120 [2021-06-05 10:40:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:15,542 INFO L482 AbstractCegarLoop]: Abstraction has 3273 states and 8524 transitions. [2021-06-05 10:40:15,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3273 states and 8524 transitions. [2021-06-05 10:40:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:40:15,545 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:15,545 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:15,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361 [2021-06-05 10:40:15,545 INFO L430 AbstractCegarLoop]: === Iteration 363 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:40:15,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:15,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1364192251, now seen corresponding path program 9 times [2021-06-05 10:40:15,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:15,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236691570] [2021-06-05 10:40:15,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:16,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:16,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236691570] [2021-06-05 10:40:16,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236691570] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:16,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:16,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:40:16,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450127359] [2021-06-05 10:40:16,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:40:16,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:16,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:40:16,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:40:16,619 INFO L87 Difference]: Start difference. First operand 3273 states and 8524 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:17,714 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-06-05 10:40:18,094 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 10:40:18,295 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-06-05 10:40:18,525 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 10:40:18,828 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-05 10:40:19,268 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 10:40:19,566 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-06-05 10:40:20,244 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-06-05 10:40:21,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:21,413 INFO L93 Difference]: Finished difference Result 3636 states and 9309 transitions. [2021-06-05 10:40:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:21,413 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 10:40:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:21,416 INFO L225 Difference]: With dead ends: 3636 [2021-06-05 10:40:21,416 INFO L226 Difference]: Without dead ends: 3477 [2021-06-05 10:40:21,416 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 4322.5ms TimeCoverageRelationStatistics Valid=786, Invalid=3770, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 10:40:21,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3477 states. [2021-06-05 10:40:21,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3477 to 3261. [2021-06-05 10:40:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3260 states have (on average 2.607361963190184) internal successors, (8500), 3260 states have internal predecessors, (8500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 8500 transitions. [2021-06-05 10:40:21,450 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 8500 transitions. Word has length 120 [2021-06-05 10:40:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:21,450 INFO L482 AbstractCegarLoop]: Abstraction has 3261 states and 8500 transitions. [2021-06-05 10:40:21,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 8500 transitions. [2021-06-05 10:40:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 10:40:21,453 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:21,453 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:21,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable362 [2021-06-05 10:40:21,453 INFO L430 AbstractCegarLoop]: === Iteration 364 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:40:21,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:21,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1835663953, now seen corresponding path program 10 times [2021-06-05 10:40:21,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:21,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577077598] [2021-06-05 10:40:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:22,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:22,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577077598] [2021-06-05 10:40:22,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577077598] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:22,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:22,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-06-05 10:40:22,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310770375] [2021-06-05 10:40:22,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 10:40:22,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:22,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 10:40:22,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1103, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:40:22,746 INFO L87 Difference]: Start difference. First operand 3261 states and 8500 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:23,583 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-05 10:40:23,757 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-06-05 10:40:23,975 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-06-05 10:40:24,385 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-06-05 10:40:24,630 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 10:40:24,913 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-06-05 10:40:25,268 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-06-05 10:40:25,752 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 Received shutdown request... [2021-06-05 10:40:26,019 WARN L222 SmtUtils]: Removed 10 from assertion stack [2021-06-05 10:40:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:40:26,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable363 [2021-06-05 10:40:26,019 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 10:40:26,020 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:40:26,022 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 10:40:26,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:40:26 BasicIcfg [2021-06-05 10:40:26,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:40:26,022 INFO L168 Benchmark]: Toolchain (without parser) took 697204.11 ms. Allocated memory was 343.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 304.2 MB in the beginning and 1.0 GB in the end (delta: -720.6 MB). Peak memory consumption was 751.4 MB. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 343.9 MB. Free memory was 324.3 MB in the beginning and 324.3 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1415.19 ms. Allocated memory is still 343.9 MB. Free memory was 304.0 MB in the beginning and 286.7 MB in the end (delta: 17.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.39 ms. Allocated memory is still 343.9 MB. Free memory was 286.7 MB in the beginning and 283.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L168 Benchmark]: Boogie Preprocessor took 40.47 ms. Allocated memory is still 343.9 MB. Free memory was 283.5 MB in the beginning and 280.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L168 Benchmark]: RCFGBuilder took 641.81 ms. Allocated memory is still 343.9 MB. Free memory was 280.4 MB in the beginning and 232.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L168 Benchmark]: TraceAbstraction took 695015.18 ms. Allocated memory was 343.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 231.2 MB in the beginning and 1.0 GB in the end (delta: -793.7 MB). Peak memory consumption was 675.4 MB. Max. memory is 16.0 GB. [2021-06-05 10:40:26,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 343.9 MB. Free memory was 324.3 MB in the beginning and 324.3 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1415.19 ms. Allocated memory is still 343.9 MB. Free memory was 304.0 MB in the beginning and 286.7 MB in the end (delta: 17.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 82.39 ms. Allocated memory is still 343.9 MB. Free memory was 286.7 MB in the beginning and 283.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.47 ms. Allocated memory is still 343.9 MB. Free memory was 283.5 MB in the beginning and 280.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 641.81 ms. Allocated memory is still 343.9 MB. Free memory was 280.4 MB in the beginning and 232.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 695015.18 ms. Allocated memory was 343.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 231.2 MB in the beginning and 1.0 GB in the end (delta: -793.7 MB). Peak memory consumption was 675.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1727]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1726]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (3261states) and FLOYD_HOARE automaton (currently 22 states, 35 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 61 for 60ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 178 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 694874.3ms, OverallIterations: 364, TraceHistogramMax: 1, EmptinessCheckTime: 1968.2ms, AutomataDifference: 521898.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 377.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 138124 SDtfs, 426379 SDslu, 778822 SDs, 0 SdLazy, 211245 SolverSat, 3392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101940.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13361 GetRequests, 1434 SyntacticMatches, 709 SemanticMatches, 11217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27590 ImplicationChecksByTransitivity, 467696.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9357occurred in iteration=0, InterpolantAutomatonStates: 6387, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 42762.5ms AutomataMinimizationTime, 363 MinimizatonAttempts, 3390280 StatesRemovedByMinimization, 362 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 551.4ms SsaConstructionTime, 4302.3ms SatisfiabilityAnalysisTime, 120417.9ms InterpolantComputationTime, 41270 NumberOfCodeBlocks, 41270 NumberOfCodeBlocksAsserted, 364 NumberOfCheckSat, 40906 ConstructedInterpolants, 0 QuantifiedInterpolants, 275352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 364 InterpolantComputations, 364 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown