/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-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:28:58,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:28:58,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:28:58,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 10:28:58,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:28:58,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:28:58,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:28:58,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:28:58,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:28:58,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:28:58,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:28:58,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:28:58,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:28:58,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:28:58,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:28:58,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:28:58,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 10:28:58,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:28:58,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:28:58,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:28:58,464 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 10:28:58,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:28:58,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:28:58,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:28:58,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:28:58,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:28:58,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:28:58,494 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:28:58,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:28:58,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:28:58,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:28:58,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:28:58,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:28:58,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:28:58,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:28:58,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:28:58,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:28:58,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:28:58,498 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:28:58,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:28:58,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:28:58,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:28:58,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:28:58,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:28:58,786 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:28:58,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-06-05 10:28:58,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93bf3f9a1/be724981732345429afa759e36cae112/FLAGc79ced5ee [2021-06-05 10:28:59,544 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:28:59,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-06-05 10:28:59,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93bf3f9a1/be724981732345429afa759e36cae112/FLAGc79ced5ee [2021-06-05 10:28:59,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93bf3f9a1/be724981732345429afa759e36cae112 [2021-06-05 10:28:59,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:28:59,870 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:28:59,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:28:59,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:28:59,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:28:59,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:28:59" (1/1) ... [2021-06-05 10:28:59,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747a2fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:28:59, skipping insertion in model container [2021-06-05 10:28:59,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:28:59" (1/1) ... [2021-06-05 10:28:59,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:28:59,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:29:00,337 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-3_1-container_of-global.i[76084,76097] [2021-06-05 10:29:00,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:29:00,373 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:29:00,427 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-3_1-container_of-global.i[76084,76097] [2021-06-05 10:29:00,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:29:00,629 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:29:00,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00 WrapperNode [2021-06-05 10:29:00,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:29:00,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:29:00,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:29:00,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:29:00,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:29:00,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:29:00,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:29:00,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:29:00,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (1/1) ... [2021-06-05 10:29:00,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:29:00,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:29:00,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:29:00,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:29:00,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (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 10:29:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:29:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 10:29:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-05 10:29:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-05 10:29:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:29:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:29:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-06-05 10:29:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-06-05 10:29:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:29:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:29:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:29:00,783 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 10:29:01,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:29:01,352 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-06-05 10:29:01,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:29:01 BoogieIcfgContainer [2021-06-05 10:29:01,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:29:01,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:29:01,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:29:01,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:29:01,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:28:59" (1/3) ... [2021-06-05 10:29:01,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117fe014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:29:01, skipping insertion in model container [2021-06-05 10:29:01,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:29:00" (2/3) ... [2021-06-05 10:29:01,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117fe014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:29:01, skipping insertion in model container [2021-06-05 10:29:01,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:29:01" (3/3) ... [2021-06-05 10:29:01,358 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-06-05 10:29:01,364 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:29:01,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:29:01,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-06-05 10:29:01,365 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:29:01,408 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,409 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,410 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,411 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,412 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,413 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,414 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,415 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,416 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,417 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,418 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,419 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,421 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,422 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,422 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,422 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,425 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,426 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,426 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,426 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:29:01,432 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 10:29:01,446 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-06-05 10:29:01,458 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:29:01,458 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:29:01,458 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:29:01,458 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:29:01,458 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:29:01,458 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:29:01,459 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:29:01,459 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:29:01,467 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 166 places, 170 transitions, 362 flow [2021-06-05 10:29:01,696 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8182 states, 8171 states have (on average 2.8338024721576307) internal successors, (23155), 8181 states have internal predecessors, (23155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 8182 states, 8171 states have (on average 2.8338024721576307) internal successors, (23155), 8181 states have internal predecessors, (23155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 10:29:01,720 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:01,720 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:01,720 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 10:29:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:01,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1624038893, now seen corresponding path program 1 times [2021-06-05 10:29:01,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:01,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607316893] [2021-06-05 10:29:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:02,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:02,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607316893] [2021-06-05 10:29:02,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607316893] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:02,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:02,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:29:02,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295642656] [2021-06-05 10:29:02,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:29:02,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:02,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:29:02,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:29:02,115 INFO L87 Difference]: Start difference. First operand has 8182 states, 8171 states have (on average 2.8338024721576307) internal successors, (23155), 8181 states have internal predecessors, (23155), 0 states have call successors, (0), 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 10:29:02,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:02,312 INFO L93 Difference]: Finished difference Result 7787 states and 21633 transitions. [2021-06-05 10:29:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:29:02,313 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 10:29:02,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:02,343 INFO L225 Difference]: With dead ends: 7787 [2021-06-05 10:29:02,343 INFO L226 Difference]: Without dead ends: 6398 [2021-06-05 10:29:02,344 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 59.3ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:29:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6398 states. [2021-06-05 10:29:02,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6398 to 6397. [2021-06-05 10:29:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6397 states, 6390 states have (on average 2.769170579029734) internal successors, (17695), 6396 states have internal predecessors, (17695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6397 states to 6397 states and 17695 transitions. [2021-06-05 10:29:02,551 INFO L78 Accepts]: Start accepts. Automaton has 6397 states and 17695 transitions. Word has length 36 [2021-06-05 10:29:02,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:02,551 INFO L482 AbstractCegarLoop]: Abstraction has 6397 states and 17695 transitions. [2021-06-05 10:29:02,551 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 10:29:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6397 states and 17695 transitions. [2021-06-05 10:29:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 10:29:02,552 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:02,552 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:02,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:29:02,553 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 10:29:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash -652027726, now seen corresponding path program 1 times [2021-06-05 10:29:02,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:02,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51338431] [2021-06-05 10:29:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:02,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:02,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51338431] [2021-06-05 10:29:02,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51338431] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:02,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:02,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:29:02,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924269282] [2021-06-05 10:29:02,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:29:02,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:02,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:29:02,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:29:02,624 INFO L87 Difference]: Start difference. First operand 6397 states and 17695 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 10:29:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:02,794 INFO L93 Difference]: Finished difference Result 6399 states and 17697 transitions. [2021-06-05 10:29:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:29:02,795 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 10:29:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:02,823 INFO L225 Difference]: With dead ends: 6399 [2021-06-05 10:29:02,823 INFO L226 Difference]: Without dead ends: 6399 [2021-06-05 10:29:02,824 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 88.2ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 10:29:02,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6399 states. [2021-06-05 10:29:02,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6399 to 6395. [2021-06-05 10:29:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 6389 states have (on average 2.7692909688527156) internal successors, (17693), 6394 states have internal predecessors, (17693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 17693 transitions. [2021-06-05 10:29:03,001 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 17693 transitions. Word has length 42 [2021-06-05 10:29:03,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:03,002 INFO L482 AbstractCegarLoop]: Abstraction has 6395 states and 17693 transitions. [2021-06-05 10:29:03,003 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 10:29:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 17693 transitions. [2021-06-05 10:29:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 10:29:03,007 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:03,008 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:03,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:29:03,012 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 10:29:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:03,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1629089851, now seen corresponding path program 1 times [2021-06-05 10:29:03,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:03,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763286647] [2021-06-05 10:29:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:03,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:03,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763286647] [2021-06-05 10:29:03,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763286647] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:03,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:03,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:29:03,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73013027] [2021-06-05 10:29:03,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:29:03,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:03,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:29:03,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:29:03,130 INFO L87 Difference]: Start difference. First operand 6395 states and 17693 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 10:29:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:03,445 INFO L93 Difference]: Finished difference Result 9382 states and 25923 transitions. [2021-06-05 10:29:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 10:29:03,445 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 10:29:03,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:03,481 INFO L225 Difference]: With dead ends: 9382 [2021-06-05 10:29:03,482 INFO L226 Difference]: Without dead ends: 9382 [2021-06-05 10:29:03,482 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 97.4ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:29:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9382 states. [2021-06-05 10:29:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9382 to 7177. [2021-06-05 10:29:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7177 states, 7172 states have (on average 2.7711935303959843) internal successors, (19875), 7176 states have internal predecessors, (19875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7177 states to 7177 states and 19875 transitions. [2021-06-05 10:29:03,683 INFO L78 Accepts]: Start accepts. Automaton has 7177 states and 19875 transitions. Word has length 60 [2021-06-05 10:29:03,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:03,685 INFO L482 AbstractCegarLoop]: Abstraction has 7177 states and 19875 transitions. [2021-06-05 10:29:03,685 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 10:29:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7177 states and 19875 transitions. [2021-06-05 10:29:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-05 10:29:03,690 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:03,690 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] [2021-06-05 10:29:03,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:29:03,691 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 10:29:03,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:03,691 INFO L82 PathProgramCache]: Analyzing trace with hash 157318948, now seen corresponding path program 1 times [2021-06-05 10:29:03,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:03,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310642154] [2021-06-05 10:29:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:03,786 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 10:29:03,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:03,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310642154] [2021-06-05 10:29:03,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310642154] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:03,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:03,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:29:03,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836894190] [2021-06-05 10:29:03,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:29:03,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:03,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:29:03,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:29:03,791 INFO L87 Difference]: Start difference. First operand 7177 states and 19875 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 10:29:04,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:04,034 INFO L93 Difference]: Finished difference Result 10164 states and 27958 transitions. [2021-06-05 10:29:04,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:29:04,034 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 10:29:04,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:04,048 INFO L225 Difference]: With dead ends: 10164 [2021-06-05 10:29:04,048 INFO L226 Difference]: Without dead ends: 8547 [2021-06-05 10:29:04,049 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 56.2ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:29:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8547 states. [2021-06-05 10:29:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8547 to 8253. [2021-06-05 10:29:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8253 states, 8249 states have (on average 2.7752454843011276) internal successors, (22893), 8252 states have internal predecessors, (22893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8253 states to 8253 states and 22893 transitions. [2021-06-05 10:29:04,236 INFO L78 Accepts]: Start accepts. Automaton has 8253 states and 22893 transitions. Word has length 66 [2021-06-05 10:29:04,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:04,237 INFO L482 AbstractCegarLoop]: Abstraction has 8253 states and 22893 transitions. [2021-06-05 10:29:04,237 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 10:29:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 8253 states and 22893 transitions. [2021-06-05 10:29:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 10:29:04,243 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:04,243 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:04,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:29:04,243 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 10:29:04,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:04,244 INFO L82 PathProgramCache]: Analyzing trace with hash -930332059, now seen corresponding path program 1 times [2021-06-05 10:29:04,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:04,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522730900] [2021-06-05 10:29:04,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:04,301 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 10:29:04,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:04,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522730900] [2021-06-05 10:29:04,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522730900] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:04,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:04,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 10:29:04,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401730176] [2021-06-05 10:29:04,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 10:29:04,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:04,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 10:29:04,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 10:29:04,303 INFO L87 Difference]: Start difference. First operand 8253 states and 22893 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 10:29:04,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:04,334 INFO L93 Difference]: Finished difference Result 3039 states and 8148 transitions. [2021-06-05 10:29:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 10:29:04,334 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 10:29:04,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:04,338 INFO L225 Difference]: With dead ends: 3039 [2021-06-05 10:29:04,339 INFO L226 Difference]: Without dead ends: 3039 [2021-06-05 10:29:04,339 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:29:04,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2021-06-05 10:29:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3039. [2021-06-05 10:29:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3039 states, 3037 states have (on average 2.6829107672044783) internal successors, (8148), 3038 states have internal predecessors, (8148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 8148 transitions. [2021-06-05 10:29:04,397 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 8148 transitions. Word has length 80 [2021-06-05 10:29:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:04,397 INFO L482 AbstractCegarLoop]: Abstraction has 3039 states and 8148 transitions. [2021-06-05 10:29:04,397 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 10:29:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 8148 transitions. [2021-06-05 10:29:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:04,402 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:04,402 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] [2021-06-05 10:29:04,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:29:04,403 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 10:29:04,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:04,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2018724715, now seen corresponding path program 1 times [2021-06-05 10:29:04,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:04,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493699836] [2021-06-05 10:29:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:04,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:04,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493699836] [2021-06-05 10:29:04,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493699836] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:04,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:04,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:29:04,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305274953] [2021-06-05 10:29:04,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:29:04,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:04,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:29:04,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:29:04,824 INFO L87 Difference]: Start difference. First operand 3039 states and 8148 transitions. Second operand has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:05,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:05,448 INFO L93 Difference]: Finished difference Result 4138 states and 10679 transitions. [2021-06-05 10:29:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 10:29:05,448 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:05,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:05,453 INFO L225 Difference]: With dead ends: 4138 [2021-06-05 10:29:05,453 INFO L226 Difference]: Without dead ends: 4138 [2021-06-05 10:29:05,454 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 432.2ms TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2021-06-05 10:29:05,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2021-06-05 10:29:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 3698. [2021-06-05 10:29:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3698 states, 3696 states have (on average 2.643668831168831) internal successors, (9771), 3697 states have internal predecessors, (9771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3698 states and 9771 transitions. [2021-06-05 10:29:05,512 INFO L78 Accepts]: Start accepts. Automaton has 3698 states and 9771 transitions. Word has length 113 [2021-06-05 10:29:05,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:05,512 INFO L482 AbstractCegarLoop]: Abstraction has 3698 states and 9771 transitions. [2021-06-05 10:29:05,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 9771 transitions. [2021-06-05 10:29:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:05,522 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:05,522 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:05,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:29:05,522 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 10:29:05,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:05,523 INFO L82 PathProgramCache]: Analyzing trace with hash -551749779, now seen corresponding path program 2 times [2021-06-05 10:29:05,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:05,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618438181] [2021-06-05 10:29:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:05,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:05,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618438181] [2021-06-05 10:29:05,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618438181] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:05,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:05,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:05,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058526979] [2021-06-05 10:29:05,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:05,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:05,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:05,993 INFO L87 Difference]: Start difference. First operand 3698 states and 9771 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:07,480 INFO L93 Difference]: Finished difference Result 6254 states and 16298 transitions. [2021-06-05 10:29:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:07,481 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:07,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:07,490 INFO L225 Difference]: With dead ends: 6254 [2021-06-05 10:29:07,490 INFO L226 Difference]: Without dead ends: 6254 [2021-06-05 10:29:07,491 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1074.2ms TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 10:29:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6254 states. [2021-06-05 10:29:07,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6254 to 4483. [2021-06-05 10:29:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4483 states, 4481 states have (on average 2.673733541620174) internal successors, (11981), 4482 states have internal predecessors, (11981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:07,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4483 states to 4483 states and 11981 transitions. [2021-06-05 10:29:07,569 INFO L78 Accepts]: Start accepts. Automaton has 4483 states and 11981 transitions. Word has length 113 [2021-06-05 10:29:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:07,569 INFO L482 AbstractCegarLoop]: Abstraction has 4483 states and 11981 transitions. [2021-06-05 10:29:07,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 4483 states and 11981 transitions. [2021-06-05 10:29:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:07,576 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:07,576 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:07,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:29:07,576 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 10:29:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:07,577 INFO L82 PathProgramCache]: Analyzing trace with hash 805277953, now seen corresponding path program 3 times [2021-06-05 10:29:07,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:07,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273643631] [2021-06-05 10:29:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:07,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:07,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273643631] [2021-06-05 10:29:07,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273643631] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:07,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:07,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:29:07,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936751401] [2021-06-05 10:29:07,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:29:07,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:07,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:29:07,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:29:07,930 INFO L87 Difference]: Start difference. First operand 4483 states and 11981 transitions. Second operand has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:08,712 INFO L93 Difference]: Finished difference Result 5390 states and 13897 transitions. [2021-06-05 10:29:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 10:29:08,713 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:08,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:08,719 INFO L225 Difference]: With dead ends: 5390 [2021-06-05 10:29:08,719 INFO L226 Difference]: Without dead ends: 5390 [2021-06-05 10:29:08,720 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 531.7ms TimeCoverageRelationStatistics Valid=221, Invalid=591, Unknown=0, NotChecked=0, Total=812 [2021-06-05 10:29:08,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5390 states. [2021-06-05 10:29:08,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5390 to 4516. [2021-06-05 10:29:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4514 states have (on average 2.671466548515729) internal successors, (12059), 4515 states have internal predecessors, (12059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 12059 transitions. [2021-06-05 10:29:08,791 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 12059 transitions. Word has length 113 [2021-06-05 10:29:08,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:08,791 INFO L482 AbstractCegarLoop]: Abstraction has 4516 states and 12059 transitions. [2021-06-05 10:29:08,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 12059 transitions. [2021-06-05 10:29:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:08,798 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:08,798 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:08,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:29:08,798 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 10:29:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:08,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1321380929, now seen corresponding path program 4 times [2021-06-05 10:29:08,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:08,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856079581] [2021-06-05 10:29:08,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:09,180 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 10:29:09,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:09,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856079581] [2021-06-05 10:29:09,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856079581] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:09,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:09,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:09,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480739878] [2021-06-05 10:29:09,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:09,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:09,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:09,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:09,181 INFO L87 Difference]: Start difference. First operand 4516 states and 12059 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:10,446 INFO L93 Difference]: Finished difference Result 6181 states and 15940 transitions. [2021-06-05 10:29:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:10,447 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:10,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:10,454 INFO L225 Difference]: With dead ends: 6181 [2021-06-05 10:29:10,454 INFO L226 Difference]: Without dead ends: 6181 [2021-06-05 10:29:10,455 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1033.0ms TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2021-06-05 10:29:10,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 4526. [2021-06-05 10:29:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4526 states, 4524 states have (on average 2.6710875331564985) internal successors, (12084), 4525 states have internal predecessors, (12084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 4526 states and 12084 transitions. [2021-06-05 10:29:10,525 INFO L78 Accepts]: Start accepts. Automaton has 4526 states and 12084 transitions. Word has length 113 [2021-06-05 10:29:10,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:10,525 INFO L482 AbstractCegarLoop]: Abstraction has 4526 states and 12084 transitions. [2021-06-05 10:29:10,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4526 states and 12084 transitions. [2021-06-05 10:29:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:10,531 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:10,531 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:10,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 10:29:10,532 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 10:29:10,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:10,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1510292627, now seen corresponding path program 5 times [2021-06-05 10:29:10,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:10,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872810448] [2021-06-05 10:29:10,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:10,789 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 10:29:10,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:10,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872810448] [2021-06-05 10:29:10,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872810448] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:10,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:10,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:29:10,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564750673] [2021-06-05 10:29:10,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:29:10,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:10,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:29:10,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:29:10,790 INFO L87 Difference]: Start difference. First operand 4526 states and 12084 transitions. Second operand has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:11,397 INFO L93 Difference]: Finished difference Result 4980 states and 13019 transitions. [2021-06-05 10:29:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:29:11,397 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:11,401 INFO L225 Difference]: With dead ends: 4980 [2021-06-05 10:29:11,401 INFO L226 Difference]: Without dead ends: 4980 [2021-06-05 10:29:11,402 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 440.5ms TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2021-06-05 10:29:11,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2021-06-05 10:29:11,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 4394. [2021-06-05 10:29:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 4392 states have (on average 2.680327868852459) internal successors, (11772), 4393 states have internal predecessors, (11772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 11772 transitions. [2021-06-05 10:29:11,462 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 11772 transitions. Word has length 113 [2021-06-05 10:29:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:11,462 INFO L482 AbstractCegarLoop]: Abstraction has 4394 states and 11772 transitions. [2021-06-05 10:29:11,462 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 11772 transitions. [2021-06-05 10:29:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:11,471 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:11,471 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:11,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 10:29:11,471 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 10:29:11,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:11,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1917779761, now seen corresponding path program 6 times [2021-06-05 10:29:11,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:11,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637238145] [2021-06-05 10:29:11,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:11,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:11,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637238145] [2021-06-05 10:29:11,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637238145] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:11,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:11,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:11,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447200784] [2021-06-05 10:29:11,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:11,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:11,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:11,858 INFO L87 Difference]: Start difference. First operand 4394 states and 11772 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:12,830 INFO L93 Difference]: Finished difference Result 5437 states and 13948 transitions. [2021-06-05 10:29:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:12,831 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:12,836 INFO L225 Difference]: With dead ends: 5437 [2021-06-05 10:29:12,836 INFO L226 Difference]: Without dead ends: 5437 [2021-06-05 10:29:12,836 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 797.9ms TimeCoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:12,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5437 states. [2021-06-05 10:29:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5437 to 4424. [2021-06-05 10:29:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 4422 states have (on average 2.6791044776119404) internal successors, (11847), 4423 states have internal predecessors, (11847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 11847 transitions. [2021-06-05 10:29:12,924 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 11847 transitions. Word has length 113 [2021-06-05 10:29:12,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:12,924 INFO L482 AbstractCegarLoop]: Abstraction has 4424 states and 11847 transitions. [2021-06-05 10:29:12,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 11847 transitions. [2021-06-05 10:29:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:12,930 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:12,930 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:12,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 10:29:12,930 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 10:29:12,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:12,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1710433517, now seen corresponding path program 7 times [2021-06-05 10:29:12,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:12,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284139080] [2021-06-05 10:29:12,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:13,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:13,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284139080] [2021-06-05 10:29:13,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284139080] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:13,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:13,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:13,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128232180] [2021-06-05 10:29:13,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:13,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:13,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:13,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:13,288 INFO L87 Difference]: Start difference. First operand 4424 states and 11847 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:14,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:14,548 INFO L93 Difference]: Finished difference Result 10454 states and 27256 transitions. [2021-06-05 10:29:14,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:14,548 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:14,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:14,558 INFO L225 Difference]: With dead ends: 10454 [2021-06-05 10:29:14,558 INFO L226 Difference]: Without dead ends: 10454 [2021-06-05 10:29:14,558 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 998.6ms TimeCoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 10:29:14,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10454 states. [2021-06-05 10:29:14,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10454 to 4496. [2021-06-05 10:29:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 4494 states have (on average 2.684245660881175) internal successors, (12063), 4495 states have internal predecessors, (12063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 12063 transitions. [2021-06-05 10:29:14,696 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 12063 transitions. Word has length 113 [2021-06-05 10:29:14,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:14,696 INFO L482 AbstractCegarLoop]: Abstraction has 4496 states and 12063 transitions. [2021-06-05 10:29:14,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 12063 transitions. [2021-06-05 10:29:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:14,703 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:14,703 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] [2021-06-05 10:29:14,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 10:29:14,703 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 10:29:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:14,703 INFO L82 PathProgramCache]: Analyzing trace with hash 162697191, now seen corresponding path program 8 times [2021-06-05 10:29:14,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:14,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203961634] [2021-06-05 10:29:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:15,116 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 10:29:15,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:15,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203961634] [2021-06-05 10:29:15,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203961634] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:15,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:15,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:15,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39148522] [2021-06-05 10:29:15,117 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:15,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:15,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:15,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:15,118 INFO L87 Difference]: Start difference. First operand 4496 states and 12063 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:16,418 INFO L93 Difference]: Finished difference Result 9577 states and 24842 transitions. [2021-06-05 10:29:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:16,418 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:16,427 INFO L225 Difference]: With dead ends: 9577 [2021-06-05 10:29:16,427 INFO L226 Difference]: Without dead ends: 9577 [2021-06-05 10:29:16,428 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1028.8ms TimeCoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:16,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9577 states. [2021-06-05 10:29:16,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9577 to 4436. [2021-06-05 10:29:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4436 states, 4434 states have (on average 2.6799729364005414) internal successors, (11883), 4435 states have internal predecessors, (11883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4436 states to 4436 states and 11883 transitions. [2021-06-05 10:29:16,517 INFO L78 Accepts]: Start accepts. Automaton has 4436 states and 11883 transitions. Word has length 113 [2021-06-05 10:29:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:16,518 INFO L482 AbstractCegarLoop]: Abstraction has 4436 states and 11883 transitions. [2021-06-05 10:29:16,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4436 states and 11883 transitions. [2021-06-05 10:29:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:16,524 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:16,524 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:16,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 10:29:16,525 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 10:29:16,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash -513811625, now seen corresponding path program 9 times [2021-06-05 10:29:16,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:16,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818537712] [2021-06-05 10:29:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:16,926 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 10:29:16,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:16,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818537712] [2021-06-05 10:29:16,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818537712] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:16,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:16,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:16,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853772242] [2021-06-05 10:29:16,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:16,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:16,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:16,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:16,928 INFO L87 Difference]: Start difference. First operand 4436 states and 11883 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:18,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:18,778 INFO L93 Difference]: Finished difference Result 9044 states and 23337 transitions. [2021-06-05 10:29:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 10:29:18,778 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:18,786 INFO L225 Difference]: With dead ends: 9044 [2021-06-05 10:29:18,786 INFO L226 Difference]: Without dead ends: 9044 [2021-06-05 10:29:18,787 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1512.5ms TimeCoverageRelationStatistics Valid=435, Invalid=1125, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 10:29:18,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9044 states. [2021-06-05 10:29:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9044 to 4575. [2021-06-05 10:29:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4573 states have (on average 2.684014869888476) internal successors, (12274), 4574 states have internal predecessors, (12274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 12274 transitions. [2021-06-05 10:29:18,873 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 12274 transitions. Word has length 113 [2021-06-05 10:29:18,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:18,873 INFO L482 AbstractCegarLoop]: Abstraction has 4575 states and 12274 transitions. [2021-06-05 10:29:18,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 12274 transitions. [2021-06-05 10:29:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:18,879 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:18,879 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:18,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 10:29:18,879 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 10:29:18,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:18,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1668934599, now seen corresponding path program 10 times [2021-06-05 10:29:18,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:18,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057623549] [2021-06-05 10:29:18,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:19,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:19,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057623549] [2021-06-05 10:29:19,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057623549] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:19,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:19,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:19,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136515506] [2021-06-05 10:29:19,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:19,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:19,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:19,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:19,268 INFO L87 Difference]: Start difference. First operand 4575 states and 12274 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:20,643 INFO L93 Difference]: Finished difference Result 7287 states and 18606 transitions. [2021-06-05 10:29:20,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:20,644 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:20,650 INFO L225 Difference]: With dead ends: 7287 [2021-06-05 10:29:20,650 INFO L226 Difference]: Without dead ends: 7287 [2021-06-05 10:29:20,651 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1083.1ms TimeCoverageRelationStatistics Valid=321, Invalid=869, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:20,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7287 states. [2021-06-05 10:29:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7287 to 4581. [2021-06-05 10:29:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 4579 states have (on average 2.6837737497270147) internal successors, (12289), 4580 states have internal predecessors, (12289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 12289 transitions. [2021-06-05 10:29:20,714 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 12289 transitions. Word has length 113 [2021-06-05 10:29:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:20,714 INFO L482 AbstractCegarLoop]: Abstraction has 4581 states and 12289 transitions. [2021-06-05 10:29:20,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 12289 transitions. [2021-06-05 10:29:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:20,719 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:20,719 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] [2021-06-05 10:29:20,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 10:29:20,720 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 10:29:20,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:20,720 INFO L82 PathProgramCache]: Analyzing trace with hash -20191337, now seen corresponding path program 11 times [2021-06-05 10:29:20,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:20,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408789316] [2021-06-05 10:29:20,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:21,055 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 10:29:21,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:21,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408789316] [2021-06-05 10:29:21,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408789316] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:21,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:21,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:21,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323623883] [2021-06-05 10:29:21,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:21,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:21,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:21,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:21,058 INFO L87 Difference]: Start difference. First operand 4581 states and 12289 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:22,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:22,242 INFO L93 Difference]: Finished difference Result 7156 states and 18133 transitions. [2021-06-05 10:29:22,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:22,242 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:22,249 INFO L225 Difference]: With dead ends: 7156 [2021-06-05 10:29:22,249 INFO L226 Difference]: Without dead ends: 7156 [2021-06-05 10:29:22,249 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 945.9ms TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:22,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7156 states. [2021-06-05 10:29:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7156 to 4583. [2021-06-05 10:29:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 4581 states have (on average 2.6836935166994107) internal successors, (12294), 4582 states have internal predecessors, (12294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 12294 transitions. [2021-06-05 10:29:22,324 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 12294 transitions. Word has length 113 [2021-06-05 10:29:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:22,324 INFO L482 AbstractCegarLoop]: Abstraction has 4583 states and 12294 transitions. [2021-06-05 10:29:22,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 12294 transitions. [2021-06-05 10:29:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:22,329 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:22,330 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:22,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 10:29:22,330 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 10:29:22,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:22,330 INFO L82 PathProgramCache]: Analyzing trace with hash -254383661, now seen corresponding path program 12 times [2021-06-05 10:29:22,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:22,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142044801] [2021-06-05 10:29:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:22,673 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 10:29:22,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:22,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142044801] [2021-06-05 10:29:22,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142044801] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:22,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:22,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:22,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309873464] [2021-06-05 10:29:22,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:22,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:22,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:22,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:22,675 INFO L87 Difference]: Start difference. First operand 4583 states and 12294 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:23,967 INFO L93 Difference]: Finished difference Result 6999 states and 17778 transitions. [2021-06-05 10:29:23,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:23,968 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:23,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:23,974 INFO L225 Difference]: With dead ends: 6999 [2021-06-05 10:29:23,974 INFO L226 Difference]: Without dead ends: 6999 [2021-06-05 10:29:23,975 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1006.2ms TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:23,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6999 states. [2021-06-05 10:29:24,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6999 to 4583. [2021-06-05 10:29:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 4581 states have (on average 2.6836935166994107) internal successors, (12294), 4582 states have internal predecessors, (12294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 12294 transitions. [2021-06-05 10:29:24,053 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 12294 transitions. Word has length 113 [2021-06-05 10:29:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:24,053 INFO L482 AbstractCegarLoop]: Abstraction has 4583 states and 12294 transitions. [2021-06-05 10:29:24,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 12294 transitions. [2021-06-05 10:29:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:24,059 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:24,059 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:24,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 10:29:24,059 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 10:29:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:24,060 INFO L82 PathProgramCache]: Analyzing trace with hash 202832805, now seen corresponding path program 13 times [2021-06-05 10:29:24,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:24,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287395664] [2021-06-05 10:29:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:24,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:24,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287395664] [2021-06-05 10:29:24,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287395664] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:24,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:24,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:24,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926668464] [2021-06-05 10:29:24,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:24,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:24,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:24,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:24,414 INFO L87 Difference]: Start difference. First operand 4583 states and 12294 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:25,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:25,373 INFO L93 Difference]: Finished difference Result 6304 states and 15945 transitions. [2021-06-05 10:29:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:25,379 INFO L225 Difference]: With dead ends: 6304 [2021-06-05 10:29:25,379 INFO L226 Difference]: Without dead ends: 6304 [2021-06-05 10:29:25,380 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 723.7ms TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:25,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2021-06-05 10:29:25,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 4589. [2021-06-05 10:29:25,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4589 states, 4587 states have (on average 2.683453237410072) internal successors, (12309), 4588 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4589 states and 12309 transitions. [2021-06-05 10:29:25,443 INFO L78 Accepts]: Start accepts. Automaton has 4589 states and 12309 transitions. Word has length 113 [2021-06-05 10:29:25,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:25,443 INFO L482 AbstractCegarLoop]: Abstraction has 4589 states and 12309 transitions. [2021-06-05 10:29:25,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4589 states and 12309 transitions. [2021-06-05 10:29:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:25,448 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:25,448 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:25,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 10:29:25,448 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 10:29:25,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:25,448 INFO L82 PathProgramCache]: Analyzing trace with hash -587035673, now seen corresponding path program 14 times [2021-06-05 10:29:25,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:25,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474030875] [2021-06-05 10:29:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:25,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:25,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474030875] [2021-06-05 10:29:25,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474030875] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:25,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:25,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:25,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383685893] [2021-06-05 10:29:25,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:25,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:25,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:25,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:25,805 INFO L87 Difference]: Start difference. First operand 4589 states and 12309 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:26,844 INFO L93 Difference]: Finished difference Result 6426 states and 16176 transitions. [2021-06-05 10:29:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:26,844 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:26,850 INFO L225 Difference]: With dead ends: 6426 [2021-06-05 10:29:26,850 INFO L226 Difference]: Without dead ends: 6426 [2021-06-05 10:29:26,851 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 751.2ms TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:26,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6426 states. [2021-06-05 10:29:26,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6426 to 4591. [2021-06-05 10:29:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4591 states, 4589 states have (on average 2.683373283939856) internal successors, (12314), 4590 states have internal predecessors, (12314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 12314 transitions. [2021-06-05 10:29:26,915 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 12314 transitions. Word has length 113 [2021-06-05 10:29:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:26,915 INFO L482 AbstractCegarLoop]: Abstraction has 4591 states and 12314 transitions. [2021-06-05 10:29:26,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 12314 transitions. [2021-06-05 10:29:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:26,919 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:26,919 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:26,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 10:29:26,920 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 10:29:26,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:26,920 INFO L82 PathProgramCache]: Analyzing trace with hash -821227997, now seen corresponding path program 15 times [2021-06-05 10:29:26,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:26,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030746507] [2021-06-05 10:29:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:27,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:27,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030746507] [2021-06-05 10:29:27,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030746507] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:27,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:27,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:27,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637338900] [2021-06-05 10:29:27,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:27,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:27,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:27,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:27,239 INFO L87 Difference]: Start difference. First operand 4591 states and 12314 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:28,258 INFO L93 Difference]: Finished difference Result 6096 states and 15461 transitions. [2021-06-05 10:29:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:28,264 INFO L225 Difference]: With dead ends: 6096 [2021-06-05 10:29:28,264 INFO L226 Difference]: Without dead ends: 6096 [2021-06-05 10:29:28,264 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 786.6ms TimeCoverageRelationStatistics Valid=299, Invalid=891, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:28,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6096 states. [2021-06-05 10:29:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6096 to 4589. [2021-06-05 10:29:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4589 states, 4587 states have (on average 2.683453237410072) internal successors, (12309), 4588 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4589 states and 12309 transitions. [2021-06-05 10:29:28,325 INFO L78 Accepts]: Start accepts. Automaton has 4589 states and 12309 transitions. Word has length 113 [2021-06-05 10:29:28,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:28,325 INFO L482 AbstractCegarLoop]: Abstraction has 4589 states and 12309 transitions. [2021-06-05 10:29:28,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4589 states and 12309 transitions. [2021-06-05 10:29:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:28,329 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:28,329 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:28,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 10:29:28,329 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 10:29:28,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:28,329 INFO L82 PathProgramCache]: Analyzing trace with hash 81809679, now seen corresponding path program 16 times [2021-06-05 10:29:28,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:28,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961924020] [2021-06-05 10:29:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:28,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:28,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961924020] [2021-06-05 10:29:28,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961924020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:28,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:28,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:28,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53933325] [2021-06-05 10:29:28,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:28,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:28,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:28,676 INFO L87 Difference]: Start difference. First operand 4589 states and 12309 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:29,925 INFO L93 Difference]: Finished difference Result 8284 states and 21529 transitions. [2021-06-05 10:29:29,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:29,925 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:29,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:29,933 INFO L225 Difference]: With dead ends: 8284 [2021-06-05 10:29:29,933 INFO L226 Difference]: Without dead ends: 8284 [2021-06-05 10:29:29,933 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 998.1ms TimeCoverageRelationStatistics Valid=286, Invalid=770, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 10:29:29,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8284 states. [2021-06-05 10:29:29,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8284 to 4589. [2021-06-05 10:29:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4589 states, 4587 states have (on average 2.683453237410072) internal successors, (12309), 4588 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4589 states and 12309 transitions. [2021-06-05 10:29:30,016 INFO L78 Accepts]: Start accepts. Automaton has 4589 states and 12309 transitions. Word has length 113 [2021-06-05 10:29:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:30,018 INFO L482 AbstractCegarLoop]: Abstraction has 4589 states and 12309 transitions. [2021-06-05 10:29:30,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4589 states and 12309 transitions. [2021-06-05 10:29:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:30,022 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:30,023 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:30,023 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 10:29:30,023 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 10:29:30,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:30,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1954940387, now seen corresponding path program 17 times [2021-06-05 10:29:30,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:30,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567007219] [2021-06-05 10:29:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:30,348 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 10:29:30,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:30,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567007219] [2021-06-05 10:29:30,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567007219] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:30,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:30,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:30,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472293370] [2021-06-05 10:29:30,349 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:30,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:30,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:30,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:30,350 INFO L87 Difference]: Start difference. First operand 4589 states and 12309 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:31,548 INFO L93 Difference]: Finished difference Result 7407 states and 19115 transitions. [2021-06-05 10:29:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:31,549 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:31,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:31,554 INFO L225 Difference]: With dead ends: 7407 [2021-06-05 10:29:31,555 INFO L226 Difference]: Without dead ends: 7407 [2021-06-05 10:29:31,555 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1003.3ms TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:31,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7407 states. [2021-06-05 10:29:31,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 4529. [2021-06-05 10:29:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4529 states, 4527 states have (on average 2.6792577866136513) internal successors, (12129), 4528 states have internal predecessors, (12129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 4529 states and 12129 transitions. [2021-06-05 10:29:31,624 INFO L78 Accepts]: Start accepts. Automaton has 4529 states and 12129 transitions. Word has length 113 [2021-06-05 10:29:31,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:31,624 INFO L482 AbstractCegarLoop]: Abstraction has 4529 states and 12129 transitions. [2021-06-05 10:29:31,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states and 12129 transitions. [2021-06-05 10:29:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:31,629 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:31,629 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:31,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 10:29:31,629 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 10:29:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1278431571, now seen corresponding path program 18 times [2021-06-05 10:29:31,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:31,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306229718] [2021-06-05 10:29:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:31,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:31,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306229718] [2021-06-05 10:29:31,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306229718] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:31,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:31,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:31,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349693486] [2021-06-05 10:29:31,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:31,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:31,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:31,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:31,938 INFO L87 Difference]: Start difference. First operand 4529 states and 12129 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:33,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:33,842 INFO L93 Difference]: Finished difference Result 10995 states and 28419 transitions. [2021-06-05 10:29:33,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 10:29:33,842 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:33,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:33,849 INFO L225 Difference]: With dead ends: 10995 [2021-06-05 10:29:33,849 INFO L226 Difference]: Without dead ends: 10995 [2021-06-05 10:29:33,849 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1479.8ms TimeCoverageRelationStatistics Valid=434, Invalid=1126, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 10:29:33,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10995 states. [2021-06-05 10:29:33,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10995 to 4565. [2021-06-05 10:29:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4565 states, 4563 states have (on average 2.6817882971729126) internal successors, (12237), 4564 states have internal predecessors, (12237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 12237 transitions. [2021-06-05 10:29:33,922 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 12237 transitions. Word has length 113 [2021-06-05 10:29:33,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:33,922 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 12237 transitions. [2021-06-05 10:29:33,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 12237 transitions. [2021-06-05 10:29:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:33,926 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:33,926 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:33,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 10:29:33,927 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 10:29:33,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:33,927 INFO L82 PathProgramCache]: Analyzing trace with hash -833789501, now seen corresponding path program 19 times [2021-06-05 10:29:33,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:33,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116552242] [2021-06-05 10:29:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:34,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:34,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116552242] [2021-06-05 10:29:34,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116552242] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:34,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:34,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:34,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545984265] [2021-06-05 10:29:34,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:34,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:34,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:34,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:34,235 INFO L87 Difference]: Start difference. First operand 4565 states and 12237 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:35,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:35,532 INFO L93 Difference]: Finished difference Result 9238 states and 23688 transitions. [2021-06-05 10:29:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:35,533 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:35,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:35,541 INFO L225 Difference]: With dead ends: 9238 [2021-06-05 10:29:35,542 INFO L226 Difference]: Without dead ends: 9238 [2021-06-05 10:29:35,542 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1044.4ms TimeCoverageRelationStatistics Valid=320, Invalid=870, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9238 states. [2021-06-05 10:29:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9238 to 4529. [2021-06-05 10:29:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4529 states, 4527 states have (on average 2.6792577866136513) internal successors, (12129), 4528 states have internal predecessors, (12129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 4529 states and 12129 transitions. [2021-06-05 10:29:35,615 INFO L78 Accepts]: Start accepts. Automaton has 4529 states and 12129 transitions. Word has length 113 [2021-06-05 10:29:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:35,615 INFO L482 AbstractCegarLoop]: Abstraction has 4529 states and 12129 transitions. [2021-06-05 10:29:35,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states and 12129 transitions. [2021-06-05 10:29:35,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:35,619 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:35,619 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:35,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 10:29:35,619 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 10:29:35,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:35,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1772051859, now seen corresponding path program 20 times [2021-06-05 10:29:35,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:35,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543852802] [2021-06-05 10:29:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:35,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:35,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543852802] [2021-06-05 10:29:35,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543852802] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:35,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:35,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:35,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018436578] [2021-06-05 10:29:35,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:35,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:35,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:35,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:35,987 INFO L87 Difference]: Start difference. First operand 4529 states and 12129 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:37,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:37,166 INFO L93 Difference]: Finished difference Result 8169 states and 20857 transitions. [2021-06-05 10:29:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:37,166 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:37,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:37,174 INFO L225 Difference]: With dead ends: 8169 [2021-06-05 10:29:37,174 INFO L226 Difference]: Without dead ends: 8169 [2021-06-05 10:29:37,175 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 992.5ms TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2021-06-05 10:29:37,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 4531. [2021-06-05 10:29:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4531 states, 4529 states have (on average 2.679178626628395) internal successors, (12134), 4530 states have internal predecessors, (12134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4531 states to 4531 states and 12134 transitions. [2021-06-05 10:29:37,247 INFO L78 Accepts]: Start accepts. Automaton has 4531 states and 12134 transitions. Word has length 113 [2021-06-05 10:29:37,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:37,247 INFO L482 AbstractCegarLoop]: Abstraction has 4531 states and 12134 transitions. [2021-06-05 10:29:37,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 4531 states and 12134 transitions. [2021-06-05 10:29:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:37,251 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:37,251 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:37,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 10:29:37,252 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 10:29:37,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:37,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1537859535, now seen corresponding path program 21 times [2021-06-05 10:29:37,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:37,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886408486] [2021-06-05 10:29:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:37,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:37,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886408486] [2021-06-05 10:29:37,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886408486] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:37,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:37,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:37,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440349533] [2021-06-05 10:29:37,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:37,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:37,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:37,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:37,559 INFO L87 Difference]: Start difference. First operand 4531 states and 12134 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:38,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:38,862 INFO L93 Difference]: Finished difference Result 8044 states and 20567 transitions. [2021-06-05 10:29:38,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:38,863 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:38,868 INFO L225 Difference]: With dead ends: 8044 [2021-06-05 10:29:38,868 INFO L226 Difference]: Without dead ends: 8044 [2021-06-05 10:29:38,868 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1089.2ms TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:38,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8044 states. [2021-06-05 10:29:38,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8044 to 4517. [2021-06-05 10:29:38,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 4515 states have (on average 2.678405315614618) internal successors, (12093), 4516 states have internal predecessors, (12093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 12093 transitions. [2021-06-05 10:29:38,928 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 12093 transitions. Word has length 113 [2021-06-05 10:29:38,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:38,928 INFO L482 AbstractCegarLoop]: Abstraction has 4517 states and 12093 transitions. [2021-06-05 10:29:38,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 12093 transitions. [2021-06-05 10:29:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:38,932 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:38,932 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:38,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 10:29:38,932 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 10:29:38,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:38,932 INFO L82 PathProgramCache]: Analyzing trace with hash -223166485, now seen corresponding path program 22 times [2021-06-05 10:29:38,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:38,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190180880] [2021-06-05 10:29:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:39,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:39,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190180880] [2021-06-05 10:29:39,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190180880] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:39,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:39,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:39,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147155280] [2021-06-05 10:29:39,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:39,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:39,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:39,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:39,238 INFO L87 Difference]: Start difference. First operand 4517 states and 12093 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:41,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:41,247 INFO L93 Difference]: Finished difference Result 6936 states and 17741 transitions. [2021-06-05 10:29:41,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:29:41,247 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:41,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:41,252 INFO L225 Difference]: With dead ends: 6936 [2021-06-05 10:29:41,252 INFO L226 Difference]: Without dead ends: 6936 [2021-06-05 10:29:41,252 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1559.7ms TimeCoverageRelationStatistics Valid=470, Invalid=1252, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 10:29:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2021-06-05 10:29:41,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 3470. [2021-06-05 10:29:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3470 states, 3468 states have (on average 2.631487889273356) internal successors, (9126), 3469 states have internal predecessors, (9126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3470 states and 9126 transitions. [2021-06-05 10:29:41,299 INFO L78 Accepts]: Start accepts. Automaton has 3470 states and 9126 transitions. Word has length 113 [2021-06-05 10:29:41,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:41,299 INFO L482 AbstractCegarLoop]: Abstraction has 3470 states and 9126 transitions. [2021-06-05 10:29:41,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 9126 transitions. [2021-06-05 10:29:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:41,302 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:41,303 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:41,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 10:29:41,303 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 10:29:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1959579739, now seen corresponding path program 23 times [2021-06-05 10:29:41,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:41,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892085899] [2021-06-05 10:29:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:41,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:41,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892085899] [2021-06-05 10:29:41,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892085899] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:41,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:41,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:41,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312129872] [2021-06-05 10:29:41,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:41,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:41,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:41,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:41,627 INFO L87 Difference]: Start difference. First operand 3470 states and 9126 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:43,364 INFO L93 Difference]: Finished difference Result 7509 states and 18951 transitions. [2021-06-05 10:29:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:29:43,365 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:43,371 INFO L225 Difference]: With dead ends: 7509 [2021-06-05 10:29:43,371 INFO L226 Difference]: Without dead ends: 7509 [2021-06-05 10:29:43,372 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 1405.0ms TimeCoverageRelationStatistics Valid=459, Invalid=1263, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 10:29:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7509 states. [2021-06-05 10:29:43,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7509 to 3434. [2021-06-05 10:29:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 3432 states have (on average 2.6276223776223775) internal successors, (9018), 3433 states have internal predecessors, (9018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 9018 transitions. [2021-06-05 10:29:43,425 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 9018 transitions. Word has length 113 [2021-06-05 10:29:43,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:43,425 INFO L482 AbstractCegarLoop]: Abstraction has 3434 states and 9018 transitions. [2021-06-05 10:29:43,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 9018 transitions. [2021-06-05 10:29:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:43,428 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:43,428 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:43,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 10:29:43,429 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 10:29:43,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:43,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2016838673, now seen corresponding path program 24 times [2021-06-05 10:29:43,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:43,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011391169] [2021-06-05 10:29:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:43,762 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 10:29:43,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:43,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011391169] [2021-06-05 10:29:43,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011391169] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:43,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:43,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:43,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807913081] [2021-06-05 10:29:43,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:43,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:43,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:43,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:43,763 INFO L87 Difference]: Start difference. First operand 3434 states and 9018 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:45,031 INFO L93 Difference]: Finished difference Result 5115 states and 12793 transitions. [2021-06-05 10:29:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-05 10:29:45,031 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:45,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:45,035 INFO L225 Difference]: With dead ends: 5115 [2021-06-05 10:29:45,035 INFO L226 Difference]: Without dead ends: 5115 [2021-06-05 10:29:45,036 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1057.3ms TimeCoverageRelationStatistics Valid=333, Invalid=927, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:45,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2021-06-05 10:29:45,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 3452. [2021-06-05 10:29:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3452 states, 3450 states have (on average 2.6269565217391304) internal successors, (9063), 3451 states have internal predecessors, (9063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 3452 states and 9063 transitions. [2021-06-05 10:29:45,081 INFO L78 Accepts]: Start accepts. Automaton has 3452 states and 9063 transitions. Word has length 113 [2021-06-05 10:29:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:45,081 INFO L482 AbstractCegarLoop]: Abstraction has 3452 states and 9063 transitions. [2021-06-05 10:29:45,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3452 states and 9063 transitions. [2021-06-05 10:29:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:45,085 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:45,085 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:45,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 10:29:45,085 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 10:29:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash 927277213, now seen corresponding path program 25 times [2021-06-05 10:29:45,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:45,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373742785] [2021-06-05 10:29:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:45,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:45,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373742785] [2021-06-05 10:29:45,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373742785] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:45,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:45,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:45,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065855430] [2021-06-05 10:29:45,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:45,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:45,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:45,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:45,409 INFO L87 Difference]: Start difference. First operand 3452 states and 9063 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:46,476 INFO L93 Difference]: Finished difference Result 5010 states and 12385 transitions. [2021-06-05 10:29:46,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:46,477 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:46,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:46,480 INFO L225 Difference]: With dead ends: 5010 [2021-06-05 10:29:46,480 INFO L226 Difference]: Without dead ends: 5010 [2021-06-05 10:29:46,480 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 915.6ms TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2021-06-05 10:29:46,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 3460. [2021-06-05 10:29:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 3458 states have (on average 2.626662810873337) internal successors, (9083), 3459 states have internal predecessors, (9083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 9083 transitions. [2021-06-05 10:29:46,523 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 9083 transitions. Word has length 113 [2021-06-05 10:29:46,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:46,523 INFO L482 AbstractCegarLoop]: Abstraction has 3460 states and 9083 transitions. [2021-06-05 10:29:46,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 9083 transitions. [2021-06-05 10:29:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:46,527 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:46,527 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:46,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 10:29:46,527 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 10:29:46,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:46,527 INFO L82 PathProgramCache]: Analyzing trace with hash 693084889, now seen corresponding path program 26 times [2021-06-05 10:29:46,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:46,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735729220] [2021-06-05 10:29:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:46,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:46,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735729220] [2021-06-05 10:29:46,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735729220] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:46,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:46,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:46,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686972176] [2021-06-05 10:29:46,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:46,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:46,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:46,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:46,858 INFO L87 Difference]: Start difference. First operand 3460 states and 9083 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:47,966 INFO L93 Difference]: Finished difference Result 5475 states and 13368 transitions. [2021-06-05 10:29:47,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:47,967 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:47,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:47,971 INFO L225 Difference]: With dead ends: 5475 [2021-06-05 10:29:47,971 INFO L226 Difference]: Without dead ends: 5475 [2021-06-05 10:29:47,972 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 939.9ms TimeCoverageRelationStatistics Valid=298, Invalid=892, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:47,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5475 states. [2021-06-05 10:29:48,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5475 to 3458. [2021-06-05 10:29:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 3456 states have (on average 2.626736111111111) internal successors, (9078), 3457 states have internal predecessors, (9078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 9078 transitions. [2021-06-05 10:29:48,013 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 9078 transitions. Word has length 113 [2021-06-05 10:29:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:48,014 INFO L482 AbstractCegarLoop]: Abstraction has 3458 states and 9078 transitions. [2021-06-05 10:29:48,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 9078 transitions. [2021-06-05 10:29:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:48,017 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:48,017 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:48,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 10:29:48,017 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 10:29:48,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:48,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1294164801, now seen corresponding path program 27 times [2021-06-05 10:29:48,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:48,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625711491] [2021-06-05 10:29:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:48,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:48,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625711491] [2021-06-05 10:29:48,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625711491] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:48,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:48,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:48,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310558794] [2021-06-05 10:29:48,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:48,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:48,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:48,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:48,352 INFO L87 Difference]: Start difference. First operand 3458 states and 9078 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:49,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:49,663 INFO L93 Difference]: Finished difference Result 4851 states and 12025 transitions. [2021-06-05 10:29:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-05 10:29:49,664 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:49,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:49,668 INFO L225 Difference]: With dead ends: 4851 [2021-06-05 10:29:49,668 INFO L226 Difference]: Without dead ends: 4851 [2021-06-05 10:29:49,668 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1014.6ms TimeCoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:49,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2021-06-05 10:29:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 3458. [2021-06-05 10:29:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 3456 states have (on average 2.626736111111111) internal successors, (9078), 3457 states have internal predecessors, (9078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 9078 transitions. [2021-06-05 10:29:49,715 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 9078 transitions. Word has length 113 [2021-06-05 10:29:49,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:49,715 INFO L482 AbstractCegarLoop]: Abstraction has 3458 states and 9078 transitions. [2021-06-05 10:29:49,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 9078 transitions. [2021-06-05 10:29:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:49,718 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:49,718 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] [2021-06-05 10:29:49,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 10:29:49,719 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 10:29:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:49,719 INFO L82 PathProgramCache]: Analyzing trace with hash -2039471343, now seen corresponding path program 28 times [2021-06-05 10:29:49,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:49,719 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162998774] [2021-06-05 10:29:49,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:50,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:50,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162998774] [2021-06-05 10:29:50,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162998774] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:50,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:50,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:50,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310972689] [2021-06-05 10:29:50,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:50,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:50,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:50,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:50,040 INFO L87 Difference]: Start difference. First operand 3458 states and 9078 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:50,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:50,799 INFO L93 Difference]: Finished difference Result 4343 states and 10955 transitions. [2021-06-05 10:29:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:50,799 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:50,803 INFO L225 Difference]: With dead ends: 4343 [2021-06-05 10:29:50,803 INFO L226 Difference]: Without dead ends: 4343 [2021-06-05 10:29:50,803 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 657.5ms TimeCoverageRelationStatistics Valid=264, Invalid=858, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4343 states. [2021-06-05 10:29:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4343 to 3428. [2021-06-05 10:29:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3428 states, 3426 states have (on average 2.62784588441331) internal successors, (9003), 3427 states have internal predecessors, (9003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 9003 transitions. [2021-06-05 10:29:50,840 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 9003 transitions. Word has length 113 [2021-06-05 10:29:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:50,840 INFO L482 AbstractCegarLoop]: Abstraction has 3428 states and 9003 transitions. [2021-06-05 10:29:50,840 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 9003 transitions. [2021-06-05 10:29:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:50,843 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:50,843 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:50,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 10:29:50,843 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 10:29:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:50,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1465627475, now seen corresponding path program 29 times [2021-06-05 10:29:50,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:50,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855464519] [2021-06-05 10:29:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:51,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:51,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855464519] [2021-06-05 10:29:51,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855464519] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:51,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:51,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:51,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342845102] [2021-06-05 10:29:51,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:51,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:51,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:51,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:51,171 INFO L87 Difference]: Start difference. First operand 3428 states and 9003 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:52,021 INFO L93 Difference]: Finished difference Result 5140 states and 12658 transitions. [2021-06-05 10:29:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:52,022 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:52,026 INFO L225 Difference]: With dead ends: 5140 [2021-06-05 10:29:52,026 INFO L226 Difference]: Without dead ends: 5140 [2021-06-05 10:29:52,026 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 700.0ms TimeCoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5140 states. [2021-06-05 10:29:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5140 to 3430. [2021-06-05 10:29:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3430 states, 3428 states have (on average 2.627771295215869) internal successors, (9008), 3429 states have internal predecessors, (9008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 3430 states and 9008 transitions. [2021-06-05 10:29:52,067 INFO L78 Accepts]: Start accepts. Automaton has 3430 states and 9008 transitions. Word has length 113 [2021-06-05 10:29:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:52,067 INFO L482 AbstractCegarLoop]: Abstraction has 3430 states and 9008 transitions. [2021-06-05 10:29:52,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 9008 transitions. [2021-06-05 10:29:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:52,070 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:52,070 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] [2021-06-05 10:29:52,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 10:29:52,070 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 10:29:52,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:52,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1231435151, now seen corresponding path program 30 times [2021-06-05 10:29:52,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:52,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265858329] [2021-06-05 10:29:52,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:52,373 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 10:29:52,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:52,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265858329] [2021-06-05 10:29:52,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265858329] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:52,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:52,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:52,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667735763] [2021-06-05 10:29:52,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:52,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:52,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:52,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:52,374 INFO L87 Difference]: Start difference. First operand 3430 states and 9008 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:53,449 INFO L93 Difference]: Finished difference Result 4810 states and 11943 transitions. [2021-06-05 10:29:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:53,454 INFO L225 Difference]: With dead ends: 4810 [2021-06-05 10:29:53,454 INFO L226 Difference]: Without dead ends: 4810 [2021-06-05 10:29:53,454 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 741.8ms TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:53,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2021-06-05 10:29:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 3422. [2021-06-05 10:29:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3422 states, 3420 states have (on average 2.6280701754385967) internal successors, (8988), 3421 states have internal predecessors, (8988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 8988 transitions. [2021-06-05 10:29:53,498 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 8988 transitions. Word has length 113 [2021-06-05 10:29:53,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:53,499 INFO L482 AbstractCegarLoop]: Abstraction has 3422 states and 8988 transitions. [2021-06-05 10:29:53,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 8988 transitions. [2021-06-05 10:29:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:53,502 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:53,502 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:53,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 10:29:53,502 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 10:29:53,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:53,503 INFO L82 PathProgramCache]: Analyzing trace with hash 534971981, now seen corresponding path program 31 times [2021-06-05 10:29:53,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:53,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419015535] [2021-06-05 10:29:53,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:53,859 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 10:29:53,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:53,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419015535] [2021-06-05 10:29:53,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419015535] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:53,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:53,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:53,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748692781] [2021-06-05 10:29:53,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:53,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:53,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:53,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:53,861 INFO L87 Difference]: Start difference. First operand 3422 states and 8988 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:54,812 INFO L93 Difference]: Finished difference Result 4432 states and 11108 transitions. [2021-06-05 10:29:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 10:29:54,813 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:54,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:54,817 INFO L225 Difference]: With dead ends: 4432 [2021-06-05 10:29:54,817 INFO L226 Difference]: Without dead ends: 4432 [2021-06-05 10:29:54,817 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 731.1ms TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 10:29:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2021-06-05 10:29:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 3412. [2021-06-05 10:29:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3412 states, 3410 states have (on average 2.6284457478005865) internal successors, (8963), 3411 states have internal predecessors, (8963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 8963 transitions. [2021-06-05 10:29:54,865 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 8963 transitions. Word has length 113 [2021-06-05 10:29:54,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:54,866 INFO L482 AbstractCegarLoop]: Abstraction has 3412 states and 8963 transitions. [2021-06-05 10:29:54,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 8963 transitions. [2021-06-05 10:29:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:54,869 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:54,869 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] [2021-06-05 10:29:54,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-05 10:29:54,869 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 10:29:54,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:54,870 INFO L82 PathProgramCache]: Analyzing trace with hash 300779657, now seen corresponding path program 32 times [2021-06-05 10:29:54,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:54,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060512368] [2021-06-05 10:29:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:55,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:55,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060512368] [2021-06-05 10:29:55,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060512368] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:55,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:55,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:55,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399113327] [2021-06-05 10:29:55,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:55,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:55,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:55,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:55,192 INFO L87 Difference]: Start difference. First operand 3412 states and 8963 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:56,242 INFO L93 Difference]: Finished difference Result 4897 states and 12091 transitions. [2021-06-05 10:29:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 10:29:56,243 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:56,247 INFO L225 Difference]: With dead ends: 4897 [2021-06-05 10:29:56,247 INFO L226 Difference]: Without dead ends: 4897 [2021-06-05 10:29:56,247 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 791.8ms TimeCoverageRelationStatistics Valid=287, Invalid=903, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 10:29:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4897 states. [2021-06-05 10:29:56,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4897 to 3410. [2021-06-05 10:29:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3408 states have (on average 2.6285211267605635) internal successors, (8958), 3409 states have internal predecessors, (8958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:56,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 8958 transitions. [2021-06-05 10:29:56,304 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 8958 transitions. Word has length 113 [2021-06-05 10:29:56,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:56,305 INFO L482 AbstractCegarLoop]: Abstraction has 3410 states and 8958 transitions. [2021-06-05 10:29:56,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 8958 transitions. [2021-06-05 10:29:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-06-05 10:29:56,308 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:56,308 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] [2021-06-05 10:29:56,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-05 10:29:56,308 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 10:29:56,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:56,309 INFO L82 PathProgramCache]: Analyzing trace with hash 901859569, now seen corresponding path program 33 times [2021-06-05 10:29:56,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:56,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928775976] [2021-06-05 10:29:56,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:56,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:56,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928775976] [2021-06-05 10:29:56,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928775976] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:56,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:56,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 10:29:56,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204021967] [2021-06-05 10:29:56,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 10:29:56,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:56,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 10:29:56,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-06-05 10:29:56,621 INFO L87 Difference]: Start difference. First operand 3410 states and 8958 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:57,629 INFO L93 Difference]: Finished difference Result 4093 states and 10381 transitions. [2021-06-05 10:29:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 10:29:57,630 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-06-05 10:29:57,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:57,634 INFO L225 Difference]: With dead ends: 4093 [2021-06-05 10:29:57,634 INFO L226 Difference]: Without dead ends: 4093 [2021-06-05 10:29:57,634 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 815.6ms TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 10:29:57,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2021-06-05 10:29:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 3037. [2021-06-05 10:29:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3037 states, 3036 states have (on average 2.6831357048748354) internal successors, (8146), 3036 states have internal predecessors, (8146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 8146 transitions. [2021-06-05 10:29:57,672 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 8146 transitions. Word has length 113 [2021-06-05 10:29:57,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:57,672 INFO L482 AbstractCegarLoop]: Abstraction has 3037 states and 8146 transitions. [2021-06-05 10:29:57,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 8146 transitions. [2021-06-05 10:29:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:29:57,675 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:57,675 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:57,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-05 10:29:57,675 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 10:29:57,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:57,676 INFO L82 PathProgramCache]: Analyzing trace with hash 634075415, now seen corresponding path program 1 times [2021-06-05 10:29:57,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:57,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970765267] [2021-06-05 10:29:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:29:57,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:57,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970765267] [2021-06-05 10:29:57,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970765267] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:57,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:57,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:29:57,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710917701] [2021-06-05 10:29:57,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:29:57,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:57,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:29:57,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:29:57,912 INFO L87 Difference]: Start difference. First operand 3037 states and 8146 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:58,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:29:58,209 INFO L93 Difference]: Finished difference Result 3487 states and 9268 transitions. [2021-06-05 10:29:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:29:58,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:29:58,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:29:58,213 INFO L225 Difference]: With dead ends: 3487 [2021-06-05 10:29:58,213 INFO L226 Difference]: Without dead ends: 3487 [2021-06-05 10:29:58,213 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 292.6ms TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:29:58,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2021-06-05 10:29:58,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3205. [2021-06-05 10:29:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3204 states have (on average 2.6697877652933832) internal successors, (8554), 3204 states have internal predecessors, (8554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 8554 transitions. [2021-06-05 10:29:58,251 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 8554 transitions. Word has length 119 [2021-06-05 10:29:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:29:58,252 INFO L482 AbstractCegarLoop]: Abstraction has 3205 states and 8554 transitions. [2021-06-05 10:29:58,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 8554 transitions. [2021-06-05 10:29:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:29:58,254 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:29:58,255 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:29:58,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-05 10:29:58,255 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 10:29:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:29:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1551030297, now seen corresponding path program 2 times [2021-06-05 10:29:58,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:29:58,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253282960] [2021-06-05 10:29:58,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:29:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:29:58,927 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 10:29:58,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:29:58,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253282960] [2021-06-05 10:29:58,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253282960] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:29:58,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:29:58,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:29:58,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567653244] [2021-06-05 10:29:58,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:29:58,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:29:58,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:29:58,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:29:58,929 INFO L87 Difference]: Start difference. First operand 3205 states and 8554 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:29:59,914 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2021-06-05 10:30:00,128 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 10:30:02,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:02,028 INFO L93 Difference]: Finished difference Result 4951 states and 13018 transitions. [2021-06-05 10:30:02,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:30:02,029 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:02,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:02,033 INFO L225 Difference]: With dead ends: 4951 [2021-06-05 10:30:02,033 INFO L226 Difference]: Without dead ends: 4756 [2021-06-05 10:30:02,033 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 2549.7ms TimeCoverageRelationStatistics Valid=570, Invalid=2970, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:30:02,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-06-05 10:30:02,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 3769. [2021-06-05 10:30:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 3768 states have (on average 2.6910828025477707) internal successors, (10140), 3768 states have internal predecessors, (10140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 10140 transitions. [2021-06-05 10:30:02,080 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 10140 transitions. Word has length 119 [2021-06-05 10:30:02,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:02,080 INFO L482 AbstractCegarLoop]: Abstraction has 3769 states and 10140 transitions. [2021-06-05 10:30:02,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 10140 transitions. [2021-06-05 10:30:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:02,084 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:02,084 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, 1, 1, 1, 1, 1] [2021-06-05 10:30:02,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-05 10:30:02,084 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 10:30:02,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:02,084 INFO L82 PathProgramCache]: Analyzing trace with hash -288666885, now seen corresponding path program 1 times [2021-06-05 10:30:02,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:02,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759236578] [2021-06-05 10:30:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:02,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:02,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759236578] [2021-06-05 10:30:02,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759236578] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:02,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:02,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-06-05 10:30:02,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452550232] [2021-06-05 10:30:02,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 10:30:02,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:02,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 10:30:02,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-06-05 10:30:02,522 INFO L87 Difference]: Start difference. First operand 3769 states and 10140 transitions. Second operand has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:03,904 INFO L93 Difference]: Finished difference Result 6293 states and 16970 transitions. [2021-06-05 10:30:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:30:03,904 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:03,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:03,911 INFO L225 Difference]: With dead ends: 6293 [2021-06-05 10:30:03,911 INFO L226 Difference]: Without dead ends: 6293 [2021-06-05 10:30:03,911 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 983.3ms TimeCoverageRelationStatistics Valid=457, Invalid=1523, Unknown=0, NotChecked=0, Total=1980 [2021-06-05 10:30:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6293 states. [2021-06-05 10:30:03,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6293 to 6251. [2021-06-05 10:30:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6251 states, 6250 states have (on average 2.70224) internal successors, (16889), 6250 states have internal predecessors, (16889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6251 states to 6251 states and 16889 transitions. [2021-06-05 10:30:03,988 INFO L78 Accepts]: Start accepts. Automaton has 6251 states and 16889 transitions. Word has length 119 [2021-06-05 10:30:03,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:03,988 INFO L482 AbstractCegarLoop]: Abstraction has 6251 states and 16889 transitions. [2021-06-05 10:30:03,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6251 states and 16889 transitions. [2021-06-05 10:30:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:03,994 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:03,994 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:03,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-05 10:30:03,995 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 10:30:03,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:03,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1953169949, now seen corresponding path program 3 times [2021-06-05 10:30:03,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:03,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442320579] [2021-06-05 10:30:03,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:04,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:04,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442320579] [2021-06-05 10:30:04,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442320579] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:04,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:04,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:04,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32874834] [2021-06-05 10:30:04,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:04,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:04,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:04,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:04,711 INFO L87 Difference]: Start difference. First operand 6251 states and 16889 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:05,797 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 10:30:06,015 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-06-05 10:30:07,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:07,864 INFO L93 Difference]: Finished difference Result 8779 states and 23303 transitions. [2021-06-05 10:30:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:30:07,865 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:07,871 INFO L225 Difference]: With dead ends: 8779 [2021-06-05 10:30:07,871 INFO L226 Difference]: Without dead ends: 8013 [2021-06-05 10:30:07,872 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 2688.1ms TimeCoverageRelationStatistics Valid=613, Invalid=2927, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:30:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8013 states. [2021-06-05 10:30:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8013 to 6371. [2021-06-05 10:30:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6371 states, 6370 states have (on average 2.685243328100471) internal successors, (17105), 6370 states have internal predecessors, (17105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 17105 transitions. [2021-06-05 10:30:07,955 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 17105 transitions. Word has length 119 [2021-06-05 10:30:07,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:07,955 INFO L482 AbstractCegarLoop]: Abstraction has 6371 states and 17105 transitions. [2021-06-05 10:30:07,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 17105 transitions. [2021-06-05 10:30:07,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:07,962 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:07,962 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:07,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-05 10:30:07,962 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 10:30:07,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:07,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1133371983, now seen corresponding path program 4 times [2021-06-05 10:30:07,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:07,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461594019] [2021-06-05 10:30:07,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:08,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:08,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461594019] [2021-06-05 10:30:08,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461594019] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:08,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:08,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:08,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568330492] [2021-06-05 10:30:08,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:08,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:08,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:08,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:08,735 INFO L87 Difference]: Start difference. First operand 6371 states and 17105 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:09,772 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-06-05 10:30:10,035 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-06-05 10:30:11,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:11,965 INFO L93 Difference]: Finished difference Result 8204 states and 21680 transitions. [2021-06-05 10:30:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:30:11,965 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:11,972 INFO L225 Difference]: With dead ends: 8204 [2021-06-05 10:30:11,972 INFO L226 Difference]: Without dead ends: 7365 [2021-06-05 10:30:11,973 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 2821.0ms TimeCoverageRelationStatistics Valid=634, Invalid=3148, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 10:30:11,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7365 states. [2021-06-05 10:30:12,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7365 to 5723. [2021-06-05 10:30:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5723 states, 5722 states have (on average 2.686648025166026) internal successors, (15373), 5722 states have internal predecessors, (15373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5723 states to 5723 states and 15373 transitions. [2021-06-05 10:30:12,048 INFO L78 Accepts]: Start accepts. Automaton has 5723 states and 15373 transitions. Word has length 119 [2021-06-05 10:30:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:12,048 INFO L482 AbstractCegarLoop]: Abstraction has 5723 states and 15373 transitions. [2021-06-05 10:30:12,048 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5723 states and 15373 transitions. [2021-06-05 10:30:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:12,053 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:12,054 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, 1, 1, 1, 1, 1] [2021-06-05 10:30:12,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-05 10:30:12,054 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 10:30:12,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:12,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1558365401, now seen corresponding path program 5 times [2021-06-05 10:30:12,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:12,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237678131] [2021-06-05 10:30:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:12,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:12,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237678131] [2021-06-05 10:30:12,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237678131] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:12,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:12,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:12,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019837064] [2021-06-05 10:30:12,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:12,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:12,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:12,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:12,751 INFO L87 Difference]: Start difference. First operand 5723 states and 15373 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:13,987 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 10:30:14,376 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:30:15,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:15,786 INFO L93 Difference]: Finished difference Result 6859 states and 18101 transitions. [2021-06-05 10:30:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:30:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:15,792 INFO L225 Difference]: With dead ends: 6859 [2021-06-05 10:30:15,792 INFO L226 Difference]: Without dead ends: 6532 [2021-06-05 10:30:15,792 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 2627.4ms TimeCoverageRelationStatistics Valid=623, Invalid=2917, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:30:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6532 states. [2021-06-05 10:30:15,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6532 to 5715. [2021-06-05 10:30:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5715 states, 5714 states have (on average 2.6862093104655234) internal successors, (15349), 5714 states have internal predecessors, (15349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 15349 transitions. [2021-06-05 10:30:15,855 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 15349 transitions. Word has length 119 [2021-06-05 10:30:15,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:15,855 INFO L482 AbstractCegarLoop]: Abstraction has 5715 states and 15349 transitions. [2021-06-05 10:30:15,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 15349 transitions. [2021-06-05 10:30:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:15,860 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:15,860 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:15,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-05 10:30:15,860 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 10:30:15,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:15,861 INFO L82 PathProgramCache]: Analyzing trace with hash -2032286581, now seen corresponding path program 6 times [2021-06-05 10:30:15,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:15,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181258883] [2021-06-05 10:30:15,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:16,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:16,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181258883] [2021-06-05 10:30:16,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181258883] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:16,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:16,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:16,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050101565] [2021-06-05 10:30:16,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:16,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:16,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:16,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:16,491 INFO L87 Difference]: Start difference. First operand 5715 states and 15349 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:17,883 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-06-05 10:30:18,092 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:30:19,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:19,518 INFO L93 Difference]: Finished difference Result 6577 states and 17301 transitions. [2021-06-05 10:30:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:30:19,519 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:19,524 INFO L225 Difference]: With dead ends: 6577 [2021-06-05 10:30:19,524 INFO L226 Difference]: Without dead ends: 6190 [2021-06-05 10:30:19,525 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 2497.6ms TimeCoverageRelationStatistics Valid=596, Invalid=2826, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:30:19,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6190 states. [2021-06-05 10:30:19,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6190 to 5707. [2021-06-05 10:30:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5707 states, 5706 states have (on average 2.6843673326323167) internal successors, (15317), 5706 states have internal predecessors, (15317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5707 states to 5707 states and 15317 transitions. [2021-06-05 10:30:19,593 INFO L78 Accepts]: Start accepts. Automaton has 5707 states and 15317 transitions. Word has length 119 [2021-06-05 10:30:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:19,593 INFO L482 AbstractCegarLoop]: Abstraction has 5707 states and 15317 transitions. [2021-06-05 10:30:19,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 5707 states and 15317 transitions. [2021-06-05 10:30:19,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:19,598 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:19,598 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:19,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-06-05 10:30:19,598 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 10:30:19,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:19,599 INFO L82 PathProgramCache]: Analyzing trace with hash -865351205, now seen corresponding path program 7 times [2021-06-05 10:30:19,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:19,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601999542] [2021-06-05 10:30:19,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:20,317 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 10:30:20,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:20,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601999542] [2021-06-05 10:30:20,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601999542] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:20,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:20,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:20,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321590710] [2021-06-05 10:30:20,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:20,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:20,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:20,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:20,318 INFO L87 Difference]: Start difference. First operand 5707 states and 15317 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:21,482 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 10:30:23,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:23,457 INFO L93 Difference]: Finished difference Result 8739 states and 23005 transitions. [2021-06-05 10:30:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:23,458 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:23,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:23,466 INFO L225 Difference]: With dead ends: 8739 [2021-06-05 10:30:23,466 INFO L226 Difference]: Without dead ends: 8440 [2021-06-05 10:30:23,467 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 2632.1ms TimeCoverageRelationStatistics Valid=597, Invalid=3063, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:23,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8440 states. [2021-06-05 10:30:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8440 to 6343. [2021-06-05 10:30:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6343 states, 6342 states have (on average 2.6825922421948913) internal successors, (17013), 6342 states have internal predecessors, (17013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6343 states to 6343 states and 17013 transitions. [2021-06-05 10:30:23,563 INFO L78 Accepts]: Start accepts. Automaton has 6343 states and 17013 transitions. Word has length 119 [2021-06-05 10:30:23,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:23,563 INFO L482 AbstractCegarLoop]: Abstraction has 6343 states and 17013 transitions. [2021-06-05 10:30:23,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6343 states and 17013 transitions. [2021-06-05 10:30:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:23,569 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:23,569 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, 1, 1, 1, 1, 1] [2021-06-05 10:30:23,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-05 10:30:23,569 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 10:30:23,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:23,570 INFO L82 PathProgramCache]: Analyzing trace with hash -463211553, now seen corresponding path program 8 times [2021-06-05 10:30:23,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:23,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478037211] [2021-06-05 10:30:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:24,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:24,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478037211] [2021-06-05 10:30:24,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478037211] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:24,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:24,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:24,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907199118] [2021-06-05 10:30:24,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:24,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:24,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:24,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:24,220 INFO L87 Difference]: Start difference. First operand 6343 states and 17013 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:25,386 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-06-05 10:30:26,143 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-06-05 10:30:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:27,452 INFO L93 Difference]: Finished difference Result 9293 states and 24519 transitions. [2021-06-05 10:30:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:27,452 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:27,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:27,460 INFO L225 Difference]: With dead ends: 9293 [2021-06-05 10:30:27,460 INFO L226 Difference]: Without dead ends: 8527 [2021-06-05 10:30:27,460 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 2762.9ms TimeCoverageRelationStatistics Valid=642, Invalid=3018, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:27,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8527 states. [2021-06-05 10:30:27,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8527 to 6463. [2021-06-05 10:30:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6463 states, 6462 states have (on average 2.6662024141132776) internal successors, (17229), 6462 states have internal predecessors, (17229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6463 states to 6463 states and 17229 transitions. [2021-06-05 10:30:27,543 INFO L78 Accepts]: Start accepts. Automaton has 6463 states and 17229 transitions. Word has length 119 [2021-06-05 10:30:27,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:27,543 INFO L482 AbstractCegarLoop]: Abstraction has 6463 states and 17229 transitions. [2021-06-05 10:30:27,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6463 states and 17229 transitions. [2021-06-05 10:30:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:27,548 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:27,548 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:27,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-06-05 10:30:27,548 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 10:30:27,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:27,549 INFO L82 PathProgramCache]: Analyzing trace with hash 745213811, now seen corresponding path program 9 times [2021-06-05 10:30:27,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:27,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682714354] [2021-06-05 10:30:27,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:28,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:28,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682714354] [2021-06-05 10:30:28,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682714354] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:28,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:28,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:28,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997285490] [2021-06-05 10:30:28,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:28,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:28,167 INFO L87 Difference]: Start difference. First operand 6463 states and 17229 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:29,333 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-06-05 10:30:31,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:31,493 INFO L93 Difference]: Finished difference Result 8718 states and 22896 transitions. [2021-06-05 10:30:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 10:30:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:31,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:31,501 INFO L225 Difference]: With dead ends: 8718 [2021-06-05 10:30:31,502 INFO L226 Difference]: Without dead ends: 7879 [2021-06-05 10:30:31,502 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 2869.0ms TimeCoverageRelationStatistics Valid=665, Invalid=3241, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 10:30:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2021-06-05 10:30:31,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 5815. [2021-06-05 10:30:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5815 states, 5814 states have (on average 2.66546267629859) internal successors, (15497), 5814 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 10:30:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5815 states to 5815 states and 15497 transitions. [2021-06-05 10:30:31,587 INFO L78 Accepts]: Start accepts. Automaton has 5815 states and 15497 transitions. Word has length 119 [2021-06-05 10:30:31,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:31,587 INFO L482 AbstractCegarLoop]: Abstraction has 5815 states and 15497 transitions. [2021-06-05 10:30:31,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5815 states and 15497 transitions. [2021-06-05 10:30:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:31,592 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:31,592 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, 1, 1, 1, 1, 1] [2021-06-05 10:30:31,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-05 10:30:31,592 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 10:30:31,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:31,592 INFO L82 PathProgramCache]: Analyzing trace with hash -858016101, now seen corresponding path program 10 times [2021-06-05 10:30:31,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:31,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624732080] [2021-06-05 10:30:31,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:32,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:32,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624732080] [2021-06-05 10:30:32,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624732080] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:32,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:32,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:32,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645385799] [2021-06-05 10:30:32,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:32,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:32,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:32,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:32,211 INFO L87 Difference]: Start difference. First operand 5815 states and 15497 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:33,404 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-05 10:30:33,916 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:30:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:35,434 INFO L93 Difference]: Finished difference Result 7345 states and 19235 transitions. [2021-06-05 10:30:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:35,435 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:35,440 INFO L225 Difference]: With dead ends: 7345 [2021-06-05 10:30:35,441 INFO L226 Difference]: Without dead ends: 7018 [2021-06-05 10:30:35,441 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 2705.9ms TimeCoverageRelationStatistics Valid=653, Invalid=3007, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:35,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7018 states. [2021-06-05 10:30:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7018 to 5695. [2021-06-05 10:30:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5695 states, 5694 states have (on average 2.6794871794871793) internal successors, (15257), 5694 states have internal predecessors, (15257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 15257 transitions. [2021-06-05 10:30:35,514 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 15257 transitions. Word has length 119 [2021-06-05 10:30:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:35,514 INFO L482 AbstractCegarLoop]: Abstraction has 5695 states and 15257 transitions. [2021-06-05 10:30:35,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 15257 transitions. [2021-06-05 10:30:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:35,519 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:35,519 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:35,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-06-05 10:30:35,519 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 10:30:35,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:35,520 INFO L82 PathProgramCache]: Analyzing trace with hash -760437769, now seen corresponding path program 11 times [2021-06-05 10:30:35,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:35,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333664792] [2021-06-05 10:30:35,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:36,196 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 10:30:36,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:36,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333664792] [2021-06-05 10:30:36,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333664792] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:36,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:36,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:36,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819683099] [2021-06-05 10:30:36,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:36,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:36,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:36,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:36,197 INFO L87 Difference]: Start difference. First operand 5695 states and 15257 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:39,246 INFO L93 Difference]: Finished difference Result 8203 states and 21601 transitions. [2021-06-05 10:30:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:30:39,247 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:39,254 INFO L225 Difference]: With dead ends: 8203 [2021-06-05 10:30:39,254 INFO L226 Difference]: Without dead ends: 7904 [2021-06-05 10:30:39,255 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 2455.8ms TimeCoverageRelationStatistics Valid=543, Invalid=2763, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:30:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7904 states. [2021-06-05 10:30:39,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7904 to 6271. [2021-06-05 10:30:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6271 states, 6270 states have (on average 2.6751196172248806) internal successors, (16773), 6270 states have internal predecessors, (16773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6271 states to 6271 states and 16773 transitions. [2021-06-05 10:30:39,335 INFO L78 Accepts]: Start accepts. Automaton has 6271 states and 16773 transitions. Word has length 119 [2021-06-05 10:30:39,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:39,335 INFO L482 AbstractCegarLoop]: Abstraction has 6271 states and 16773 transitions. [2021-06-05 10:30:39,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 16773 transitions. [2021-06-05 10:30:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:39,341 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:39,341 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:39,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-06-05 10:30:39,341 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 10:30:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash -358298117, now seen corresponding path program 12 times [2021-06-05 10:30:39,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:39,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149533632] [2021-06-05 10:30:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:40,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:40,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149533632] [2021-06-05 10:30:40,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149533632] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:40,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:40,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:40,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024951313] [2021-06-05 10:30:40,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:40,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:40,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:40,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:40,023 INFO L87 Difference]: Start difference. First operand 6271 states and 16773 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:43,137 INFO L93 Difference]: Finished difference Result 8784 states and 23053 transitions. [2021-06-05 10:30:43,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:43,138 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:43,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:43,144 INFO L225 Difference]: With dead ends: 8784 [2021-06-05 10:30:43,145 INFO L226 Difference]: Without dead ends: 8018 [2021-06-05 10:30:43,145 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 2613.1ms TimeCoverageRelationStatistics Valid=622, Invalid=3038, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2021-06-05 10:30:43,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 6391. [2021-06-05 10:30:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6391 states, 6390 states have (on average 2.6586854460093896) internal successors, (16989), 6390 states have internal predecessors, (16989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6391 states to 6391 states and 16989 transitions. [2021-06-05 10:30:43,223 INFO L78 Accepts]: Start accepts. Automaton has 6391 states and 16989 transitions. Word has length 119 [2021-06-05 10:30:43,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:43,223 INFO L482 AbstractCegarLoop]: Abstraction has 6391 states and 16989 transitions. [2021-06-05 10:30:43,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 6391 states and 16989 transitions. [2021-06-05 10:30:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:43,228 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:43,229 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, 1, 1, 1, 1, 1] [2021-06-05 10:30:43,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-06-05 10:30:43,229 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 10:30:43,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:43,229 INFO L82 PathProgramCache]: Analyzing trace with hash 850127247, now seen corresponding path program 13 times [2021-06-05 10:30:43,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:43,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289523587] [2021-06-05 10:30:43,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:43,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:43,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289523587] [2021-06-05 10:30:43,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289523587] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:43,906 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:43,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:43,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701228839] [2021-06-05 10:30:43,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:43,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:43,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:43,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:43,906 INFO L87 Difference]: Start difference. First operand 6391 states and 16989 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:44,881 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-06-05 10:30:46,350 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2021-06-05 10:30:47,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:47,580 INFO L93 Difference]: Finished difference Result 8209 states and 21430 transitions. [2021-06-05 10:30:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 10:30:47,580 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:47,587 INFO L225 Difference]: With dead ends: 8209 [2021-06-05 10:30:47,587 INFO L226 Difference]: Without dead ends: 7370 [2021-06-05 10:30:47,588 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 3117.6ms TimeCoverageRelationStatistics Valid=648, Invalid=3258, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 10:30:47,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2021-06-05 10:30:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 5743. [2021-06-05 10:30:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5743 states, 5742 states have (on average 2.648728665970045) internal successors, (15209), 5742 states have internal predecessors, (15209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5743 states to 5743 states and 15209 transitions. [2021-06-05 10:30:47,660 INFO L78 Accepts]: Start accepts. Automaton has 5743 states and 15209 transitions. Word has length 119 [2021-06-05 10:30:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:47,660 INFO L482 AbstractCegarLoop]: Abstraction has 5743 states and 15209 transitions. [2021-06-05 10:30:47,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5743 states and 15209 transitions. [2021-06-05 10:30:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:47,664 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:47,664 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:47,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-06-05 10:30:47,665 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 10:30:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:47,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1226196881, now seen corresponding path program 14 times [2021-06-05 10:30:47,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:47,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131302049] [2021-06-05 10:30:47,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:48,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:48,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131302049] [2021-06-05 10:30:48,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131302049] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:48,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:48,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:48,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190738007] [2021-06-05 10:30:48,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:48,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:48,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:48,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:48,315 INFO L87 Difference]: Start difference. First operand 5743 states and 15209 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:51,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:51,348 INFO L93 Difference]: Finished difference Result 7643 states and 19796 transitions. [2021-06-05 10:30:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:51,349 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:51,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:51,354 INFO L225 Difference]: With dead ends: 7643 [2021-06-05 10:30:51,354 INFO L226 Difference]: Without dead ends: 7143 [2021-06-05 10:30:51,354 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 2589.4ms TimeCoverageRelationStatistics Valid=589, Invalid=3071, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:51,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7143 states. [2021-06-05 10:30:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7143 to 5575. [2021-06-05 10:30:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5575 states, 5574 states have (on average 2.6639756010046645) internal successors, (14849), 5574 states have internal predecessors, (14849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5575 states to 5575 states and 14849 transitions. [2021-06-05 10:30:51,422 INFO L78 Accepts]: Start accepts. Automaton has 5575 states and 14849 transitions. Word has length 119 [2021-06-05 10:30:51,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:51,422 INFO L482 AbstractCegarLoop]: Abstraction has 5575 states and 14849 transitions. [2021-06-05 10:30:51,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5575 states and 14849 transitions. [2021-06-05 10:30:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:51,427 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:51,427 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:51,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-06-05 10:30:51,427 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 10:30:51,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:51,427 INFO L82 PathProgramCache]: Analyzing trace with hash -2107003891, now seen corresponding path program 15 times [2021-06-05 10:30:51,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:51,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718031547] [2021-06-05 10:30:51,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:52,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:52,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718031547] [2021-06-05 10:30:52,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718031547] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:52,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:52,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:52,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547221898] [2021-06-05 10:30:52,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:52,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:52,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:52,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:52,060 INFO L87 Difference]: Start difference. First operand 5575 states and 14849 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:53,519 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2021-06-05 10:30:53,661 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:30:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:55,320 INFO L93 Difference]: Finished difference Result 6701 states and 17443 transitions. [2021-06-05 10:30:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:55,320 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:55,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:55,326 INFO L225 Difference]: With dead ends: 6701 [2021-06-05 10:30:55,326 INFO L226 Difference]: Without dead ends: 6398 [2021-06-05 10:30:55,327 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 2714.7ms TimeCoverageRelationStatistics Valid=653, Invalid=3007, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:55,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6398 states. [2021-06-05 10:30:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6398 to 5583. [2021-06-05 10:30:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5582 states have (on average 2.663024005732712) internal successors, (14865), 5582 states have internal predecessors, (14865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 14865 transitions. [2021-06-05 10:30:55,392 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 14865 transitions. Word has length 119 [2021-06-05 10:30:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:55,392 INFO L482 AbstractCegarLoop]: Abstraction has 5583 states and 14865 transitions. [2021-06-05 10:30:55,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 14865 transitions. [2021-06-05 10:30:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:55,396 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:55,396 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:55,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-06-05 10:30:55,397 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 10:30:55,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:55,397 INFO L82 PathProgramCache]: Analyzing trace with hash 44071913, now seen corresponding path program 16 times [2021-06-05 10:30:55,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:55,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194397314] [2021-06-05 10:30:55,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:56,050 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 10:30:56,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:56,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194397314] [2021-06-05 10:30:56,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194397314] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:56,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:56,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:56,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879593344] [2021-06-05 10:30:56,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:56,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:56,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:56,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:56,051 INFO L87 Difference]: Start difference. First operand 5583 states and 14865 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:30:59,076 INFO L93 Difference]: Finished difference Result 6628 states and 17272 transitions. [2021-06-05 10:30:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:30:59,076 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:30:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:30:59,081 INFO L225 Difference]: With dead ends: 6628 [2021-06-05 10:30:59,081 INFO L226 Difference]: Without dead ends: 6268 [2021-06-05 10:30:59,082 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2627.1ms TimeCoverageRelationStatistics Valid=635, Invalid=3025, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:30:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2021-06-05 10:30:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 5555. [2021-06-05 10:30:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5555 states, 5554 states have (on average 2.6660064818149083) internal successors, (14807), 5554 states have internal predecessors, (14807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5555 states to 5555 states and 14807 transitions. [2021-06-05 10:30:59,145 INFO L78 Accepts]: Start accepts. Automaton has 5555 states and 14807 transitions. Word has length 119 [2021-06-05 10:30:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:30:59,146 INFO L482 AbstractCegarLoop]: Abstraction has 5555 states and 14807 transitions. [2021-06-05 10:30:59,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:30:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5555 states and 14807 transitions. [2021-06-05 10:30:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:30:59,150 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:30:59,154 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:30:59,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-06-05 10:30:59,155 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 10:30:59,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:30:59,155 INFO L82 PathProgramCache]: Analyzing trace with hash -2096202407, now seen corresponding path program 17 times [2021-06-05 10:30:59,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:30:59,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307174288] [2021-06-05 10:30:59,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:30:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:30:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:30:59,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:30:59,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307174288] [2021-06-05 10:30:59,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307174288] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:30:59,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:30:59,792 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:30:59,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325300847] [2021-06-05 10:30:59,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:30:59,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:30:59,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:30:59,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:30:59,793 INFO L87 Difference]: Start difference. First operand 5555 states and 14807 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:00,980 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-06-05 10:31:01,114 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-06-05 10:31:01,307 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:31:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:02,726 INFO L93 Difference]: Finished difference Result 6333 states and 16469 transitions. [2021-06-05 10:31:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:31:02,726 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:02,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:02,731 INFO L225 Difference]: With dead ends: 6333 [2021-06-05 10:31:02,731 INFO L226 Difference]: Without dead ends: 6018 [2021-06-05 10:31:02,731 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 2430.7ms TimeCoverageRelationStatistics Valid=596, Invalid=2826, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:31:02,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6018 states. [2021-06-05 10:31:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6018 to 5583. [2021-06-05 10:31:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5582 states have (on average 2.663024005732712) internal successors, (14865), 5582 states have internal predecessors, (14865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 14865 transitions. [2021-06-05 10:31:02,792 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 14865 transitions. Word has length 119 [2021-06-05 10:31:02,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:02,793 INFO L482 AbstractCegarLoop]: Abstraction has 5583 states and 14865 transitions. [2021-06-05 10:31:02,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:02,793 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 14865 transitions. [2021-06-05 10:31:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:02,797 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:02,797 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, 1, 1, 1, 1, 1] [2021-06-05 10:31:02,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-06-05 10:31:02,798 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 10:31:02,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:02,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1576841637, now seen corresponding path program 18 times [2021-06-05 10:31:02,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:02,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339999285] [2021-06-05 10:31:02,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:03,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:03,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339999285] [2021-06-05 10:31:03,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339999285] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:03,481 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:03,481 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:03,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359624096] [2021-06-05 10:31:03,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:03,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:03,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:03,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:03,482 INFO L87 Difference]: Start difference. First operand 5583 states and 14865 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:04,863 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:31:06,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:06,444 INFO L93 Difference]: Finished difference Result 6311 states and 16401 transitions. [2021-06-05 10:31:06,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:31:06,448 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:06,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:06,452 INFO L225 Difference]: With dead ends: 6311 [2021-06-05 10:31:06,452 INFO L226 Difference]: Without dead ends: 6008 [2021-06-05 10:31:06,452 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 2625.1ms TimeCoverageRelationStatistics Valid=623, Invalid=2917, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:31:06,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6008 states. [2021-06-05 10:31:06,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6008 to 5591. [2021-06-05 10:31:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5591 states, 5590 states have (on average 2.662075134168157) internal successors, (14881), 5590 states have internal predecessors, (14881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5591 states to 5591 states and 14881 transitions. [2021-06-05 10:31:06,510 INFO L78 Accepts]: Start accepts. Automaton has 5591 states and 14881 transitions. Word has length 119 [2021-06-05 10:31:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:06,510 INFO L482 AbstractCegarLoop]: Abstraction has 5591 states and 14881 transitions. [2021-06-05 10:31:06,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 5591 states and 14881 transitions. [2021-06-05 10:31:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:06,515 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:06,515 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:06,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-06-05 10:31:06,515 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 10:31:06,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:06,515 INFO L82 PathProgramCache]: Analyzing trace with hash 403010167, now seen corresponding path program 19 times [2021-06-05 10:31:06,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:06,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202346270] [2021-06-05 10:31:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:07,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:07,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202346270] [2021-06-05 10:31:07,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202346270] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:07,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:07,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:07,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066029433] [2021-06-05 10:31:07,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:07,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:07,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:07,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:07,170 INFO L87 Difference]: Start difference. First operand 5591 states and 14881 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:10,180 INFO L93 Difference]: Finished difference Result 6234 states and 16220 transitions. [2021-06-05 10:31:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:31:10,180 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:10,184 INFO L225 Difference]: With dead ends: 6234 [2021-06-05 10:31:10,184 INFO L226 Difference]: Without dead ends: 5814 [2021-06-05 10:31:10,185 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 2562.6ms TimeCoverageRelationStatistics Valid=606, Invalid=2934, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:31:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2021-06-05 10:31:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5499. [2021-06-05 10:31:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 5498 states have (on average 2.6655147326300472) internal successors, (14655), 5498 states have internal predecessors, (14655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 14655 transitions. [2021-06-05 10:31:10,243 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 14655 transitions. Word has length 119 [2021-06-05 10:31:10,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:10,243 INFO L482 AbstractCegarLoop]: Abstraction has 5499 states and 14655 transitions. [2021-06-05 10:31:10,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 14655 transitions. [2021-06-05 10:31:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:10,248 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:10,248 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:10,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-06-05 10:31:10,248 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 10:31:10,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:10,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1688070599, now seen corresponding path program 20 times [2021-06-05 10:31:10,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:10,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315156384] [2021-06-05 10:31:10,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:10,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:10,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:10,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315156384] [2021-06-05 10:31:10,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315156384] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:10,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:10,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:10,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424201898] [2021-06-05 10:31:10,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:10,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:10,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:10,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:10,865 INFO L87 Difference]: Start difference. First operand 5499 states and 14655 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:12,130 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2021-06-05 10:31:13,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:13,676 INFO L93 Difference]: Finished difference Result 6628 states and 17443 transitions. [2021-06-05 10:31:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:13,682 INFO L225 Difference]: With dead ends: 6628 [2021-06-05 10:31:13,683 INFO L226 Difference]: Without dead ends: 6419 [2021-06-05 10:31:13,683 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 2309.9ms TimeCoverageRelationStatistics Valid=506, Invalid=2574, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2021-06-05 10:31:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 5835. [2021-06-05 10:31:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5835 states, 5834 states have (on average 2.655296537538567) internal successors, (15491), 5834 states have internal predecessors, (15491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5835 states to 5835 states and 15491 transitions. [2021-06-05 10:31:13,751 INFO L78 Accepts]: Start accepts. Automaton has 5835 states and 15491 transitions. Word has length 119 [2021-06-05 10:31:13,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:13,751 INFO L482 AbstractCegarLoop]: Abstraction has 5835 states and 15491 transitions. [2021-06-05 10:31:13,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5835 states and 15491 transitions. [2021-06-05 10:31:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:13,756 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:13,756 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:13,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-06-05 10:31:13,757 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 10:31:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:13,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1285930947, now seen corresponding path program 21 times [2021-06-05 10:31:13,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:13,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122464966] [2021-06-05 10:31:13,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:14,432 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 10:31:14,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:14,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122464966] [2021-06-05 10:31:14,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122464966] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:14,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:14,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:14,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954757794] [2021-06-05 10:31:14,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:14,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:14,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:14,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:14,433 INFO L87 Difference]: Start difference. First operand 5835 states and 15491 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:17,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:17,088 INFO L93 Difference]: Finished difference Result 6975 states and 18261 transitions. [2021-06-05 10:31:17,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:31:17,088 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:17,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:17,093 INFO L225 Difference]: With dead ends: 6975 [2021-06-05 10:31:17,093 INFO L226 Difference]: Without dead ends: 6499 [2021-06-05 10:31:17,093 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 2315.3ms TimeCoverageRelationStatistics Valid=535, Invalid=2657, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:31:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6499 states. [2021-06-05 10:31:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6499 to 5907. [2021-06-05 10:31:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5907 states, 5906 states have (on average 2.643244158482899) internal successors, (15611), 5906 states have internal predecessors, (15611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5907 states and 15611 transitions. [2021-06-05 10:31:17,158 INFO L78 Accepts]: Start accepts. Automaton has 5907 states and 15611 transitions. Word has length 119 [2021-06-05 10:31:17,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:17,158 INFO L482 AbstractCegarLoop]: Abstraction has 5907 states and 15611 transitions. [2021-06-05 10:31:17,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 15611 transitions. [2021-06-05 10:31:17,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:17,164 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:17,164 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:17,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-06-05 10:31:17,164 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 10:31:17,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:17,164 INFO L82 PathProgramCache]: Analyzing trace with hash -77505583, now seen corresponding path program 22 times [2021-06-05 10:31:17,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:17,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705200147] [2021-06-05 10:31:17,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:17,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:17,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705200147] [2021-06-05 10:31:17,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705200147] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:17,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:17,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:17,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670833854] [2021-06-05 10:31:17,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:17,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:17,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:17,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:17,783 INFO L87 Difference]: Start difference. First operand 5907 states and 15611 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:18,969 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2021-06-05 10:31:20,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:20,518 INFO L93 Difference]: Finished difference Result 6632 states and 17338 transitions. [2021-06-05 10:31:20,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:31:20,519 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:20,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:20,524 INFO L225 Difference]: With dead ends: 6632 [2021-06-05 10:31:20,524 INFO L226 Difference]: Without dead ends: 6091 [2021-06-05 10:31:20,525 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 2393.1ms TimeCoverageRelationStatistics Valid=537, Invalid=2769, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:31:20,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6091 states. [2021-06-05 10:31:20,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6091 to 5499. [2021-06-05 10:31:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 5498 states have (on average 2.661149508912332) internal successors, (14631), 5498 states have internal predecessors, (14631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 14631 transitions. [2021-06-05 10:31:20,587 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 14631 transitions. Word has length 119 [2021-06-05 10:31:20,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:20,588 INFO L482 AbstractCegarLoop]: Abstraction has 5499 states and 14631 transitions. [2021-06-05 10:31:20,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 14631 transitions. [2021-06-05 10:31:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:20,592 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:20,592 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, 1, 1, 1, 1, 1] [2021-06-05 10:31:20,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-06-05 10:31:20,592 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 10:31:20,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:20,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1680735495, now seen corresponding path program 23 times [2021-06-05 10:31:20,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:20,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575496528] [2021-06-05 10:31:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:21,173 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 10:31:21,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:21,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575496528] [2021-06-05 10:31:21,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575496528] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:21,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:21,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:21,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858340154] [2021-06-05 10:31:21,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:21,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:21,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:21,175 INFO L87 Difference]: Start difference. First operand 5499 states and 14631 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:22,374 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2021-06-05 10:31:22,853 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:31:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:23,808 INFO L93 Difference]: Finished difference Result 6138 states and 16176 transitions. [2021-06-05 10:31:23,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:23,808 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:23,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:23,813 INFO L225 Difference]: With dead ends: 6138 [2021-06-05 10:31:23,813 INFO L226 Difference]: Without dead ends: 5901 [2021-06-05 10:31:23,814 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 2275.0ms TimeCoverageRelationStatistics Valid=523, Invalid=2557, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5901 states. [2021-06-05 10:31:23,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5901 to 5475. [2021-06-05 10:31:23,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.664048227986847) internal successors, (14583), 5474 states have internal predecessors, (14583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14583 transitions. [2021-06-05 10:31:23,876 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14583 transitions. Word has length 119 [2021-06-05 10:31:23,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:23,876 INFO L482 AbstractCegarLoop]: Abstraction has 5475 states and 14583 transitions. [2021-06-05 10:31:23,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14583 transitions. [2021-06-05 10:31:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:23,880 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:23,881 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:23,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-06-05 10:31:23,881 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 10:31:23,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:23,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1583157163, now seen corresponding path program 24 times [2021-06-05 10:31:23,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:23,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273030330] [2021-06-05 10:31:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:24,507 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 10:31:24,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:24,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273030330] [2021-06-05 10:31:24,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273030330] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:24,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:24,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:24,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161387461] [2021-06-05 10:31:24,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:24,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:24,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:24,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:24,508 INFO L87 Difference]: Start difference. First operand 5475 states and 14583 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:27,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:27,258 INFO L93 Difference]: Finished difference Result 6818 states and 17919 transitions. [2021-06-05 10:31:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:27,258 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:27,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:27,262 INFO L225 Difference]: With dead ends: 6818 [2021-06-05 10:31:27,262 INFO L226 Difference]: Without dead ends: 6609 [2021-06-05 10:31:27,263 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 2333.6ms TimeCoverageRelationStatistics Valid=495, Invalid=2585, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:27,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2021-06-05 10:31:27,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 5931. [2021-06-05 10:31:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5931 states, 5930 states have (on average 2.6568296795952784) internal successors, (15755), 5930 states have internal predecessors, (15755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5931 states to 5931 states and 15755 transitions. [2021-06-05 10:31:27,328 INFO L78 Accepts]: Start accepts. Automaton has 5931 states and 15755 transitions. Word has length 119 [2021-06-05 10:31:27,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:27,328 INFO L482 AbstractCegarLoop]: Abstraction has 5931 states and 15755 transitions. [2021-06-05 10:31:27,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 5931 states and 15755 transitions. [2021-06-05 10:31:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:27,333 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:27,333 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:27,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-06-05 10:31:27,333 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 10:31:27,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:27,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1181017511, now seen corresponding path program 25 times [2021-06-05 10:31:27,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:27,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180294953] [2021-06-05 10:31:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:27,966 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 10:31:27,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:27,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180294953] [2021-06-05 10:31:27,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180294953] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:27,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:27,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:27,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080474174] [2021-06-05 10:31:27,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:27,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:27,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:27,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:27,968 INFO L87 Difference]: Start difference. First operand 5931 states and 15755 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:30,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:30,671 INFO L93 Difference]: Finished difference Result 7165 states and 18737 transitions. [2021-06-05 10:31:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:31:30,672 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:30,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:30,677 INFO L225 Difference]: With dead ends: 7165 [2021-06-05 10:31:30,677 INFO L226 Difference]: Without dead ends: 6689 [2021-06-05 10:31:30,678 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 2337.7ms TimeCoverageRelationStatistics Valid=521, Invalid=2671, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:31:30,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2021-06-05 10:31:30,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 6003. [2021-06-05 10:31:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6003 states, 6002 states have (on average 2.644951682772409) internal successors, (15875), 6002 states have internal predecessors, (15875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 15875 transitions. [2021-06-05 10:31:30,747 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 15875 transitions. Word has length 119 [2021-06-05 10:31:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:30,747 INFO L482 AbstractCegarLoop]: Abstraction has 6003 states and 15875 transitions. [2021-06-05 10:31:30,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 15875 transitions. [2021-06-05 10:31:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:30,753 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:30,753 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:30,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-06-05 10:31:30,753 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 10:31:30,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:30,753 INFO L82 PathProgramCache]: Analyzing trace with hash 27407853, now seen corresponding path program 26 times [2021-06-05 10:31:30,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:30,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599849721] [2021-06-05 10:31:30,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:31,366 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 10:31:31,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:31,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599849721] [2021-06-05 10:31:31,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599849721] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:31,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:31,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:31,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671114518] [2021-06-05 10:31:31,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:31,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:31,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:31,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:31,368 INFO L87 Difference]: Start difference. First operand 6003 states and 15875 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:34,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:34,117 INFO L93 Difference]: Finished difference Result 6822 states and 17814 transitions. [2021-06-05 10:31:34,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:31:34,118 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:34,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:34,124 INFO L225 Difference]: With dead ends: 6822 [2021-06-05 10:31:34,124 INFO L226 Difference]: Without dead ends: 6281 [2021-06-05 10:31:34,125 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 2225.9ms TimeCoverageRelationStatistics Valid=528, Invalid=2778, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:31:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6281 states. [2021-06-05 10:31:34,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6281 to 5595. [2021-06-05 10:31:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5594 states have (on average 2.645513049696103) internal successors, (14799), 5594 states have internal predecessors, (14799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:34,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 14799 transitions. [2021-06-05 10:31:34,193 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 14799 transitions. Word has length 119 [2021-06-05 10:31:34,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:34,194 INFO L482 AbstractCegarLoop]: Abstraction has 5595 states and 14799 transitions. [2021-06-05 10:31:34,194 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 14799 transitions. [2021-06-05 10:31:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:34,199 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:34,199 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, 1, 1, 1, 1, 1] [2021-06-05 10:31:34,199 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-06-05 10:31:34,199 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 10:31:34,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:34,199 INFO L82 PathProgramCache]: Analyzing trace with hash -2048916275, now seen corresponding path program 27 times [2021-06-05 10:31:34,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:34,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939198156] [2021-06-05 10:31:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:34,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:34,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939198156] [2021-06-05 10:31:34,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939198156] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:34,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:34,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:34,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768339023] [2021-06-05 10:31:34,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:34,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:34,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:34,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:34,811 INFO L87 Difference]: Start difference. First operand 5595 states and 14799 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:37,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:37,552 INFO L93 Difference]: Finished difference Result 6345 states and 16601 transitions. [2021-06-05 10:31:37,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:37,552 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:37,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:37,558 INFO L225 Difference]: With dead ends: 6345 [2021-06-05 10:31:37,558 INFO L226 Difference]: Without dead ends: 5991 [2021-06-05 10:31:37,558 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 2201.4ms TimeCoverageRelationStatistics Valid=495, Invalid=2585, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:37,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5991 states. [2021-06-05 10:31:37,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5991 to 5475. [2021-06-05 10:31:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6596638655462184) internal successors, (14559), 5474 states have internal predecessors, (14559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14559 transitions. [2021-06-05 10:31:37,627 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14559 transitions. Word has length 119 [2021-06-05 10:31:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:37,627 INFO L482 AbstractCegarLoop]: Abstraction has 5475 states and 14559 transitions. [2021-06-05 10:31:37,627 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14559 transitions. [2021-06-05 10:31:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:37,632 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:37,632 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, 1, 1, 1, 1, 1] [2021-06-05 10:31:37,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-06-05 10:31:37,632 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 10:31:37,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:37,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1365244011, now seen corresponding path program 28 times [2021-06-05 10:31:37,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:37,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002477161] [2021-06-05 10:31:37,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:38,254 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 10:31:38,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:38,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002477161] [2021-06-05 10:31:38,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002477161] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:38,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:38,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:38,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854709119] [2021-06-05 10:31:38,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:38,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:38,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:38,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:38,256 INFO L87 Difference]: Start difference. First operand 5475 states and 14559 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:39,692 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 10:31:39,824 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:31:40,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:40,891 INFO L93 Difference]: Finished difference Result 6126 states and 16130 transitions. [2021-06-05 10:31:40,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:40,891 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:40,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:40,895 INFO L225 Difference]: With dead ends: 6126 [2021-06-05 10:31:40,895 INFO L226 Difference]: Without dead ends: 5913 [2021-06-05 10:31:40,896 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 2291.8ms TimeCoverageRelationStatistics Valid=523, Invalid=2557, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:40,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5913 states. [2021-06-05 10:31:40,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5913 to 5479. [2021-06-05 10:31:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6588170865279297) internal successors, (14565), 5478 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 10:31:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14565 transitions. [2021-06-05 10:31:40,952 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14565 transitions. Word has length 119 [2021-06-05 10:31:40,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:40,953 INFO L482 AbstractCegarLoop]: Abstraction has 5479 states and 14565 transitions. [2021-06-05 10:31:40,953 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14565 transitions. [2021-06-05 10:31:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:40,957 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:40,957 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:40,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-06-05 10:31:40,957 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 10:31:40,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:40,958 INFO L82 PathProgramCache]: Analyzing trace with hash -778647481, now seen corresponding path program 29 times [2021-06-05 10:31:40,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:40,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821895937] [2021-06-05 10:31:40,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:41,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:41,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821895937] [2021-06-05 10:31:41,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821895937] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:41,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:41,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:41,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819073955] [2021-06-05 10:31:41,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:41,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:41,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:41,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:41,607 INFO L87 Difference]: Start difference. First operand 5479 states and 14565 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:44,273 INFO L93 Difference]: Finished difference Result 6143 states and 16171 transitions. [2021-06-05 10:31:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:44,273 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:44,278 INFO L225 Difference]: With dead ends: 6143 [2021-06-05 10:31:44,279 INFO L226 Difference]: Without dead ends: 5881 [2021-06-05 10:31:44,279 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 2336.1ms TimeCoverageRelationStatistics Valid=506, Invalid=2574, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:44,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5881 states. [2021-06-05 10:31:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5881 to 5451. [2021-06-05 10:31:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 2.6625688073394493) internal successors, (14511), 5450 states have internal predecessors, (14511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 14511 transitions. [2021-06-05 10:31:44,344 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 14511 transitions. Word has length 119 [2021-06-05 10:31:44,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:44,344 INFO L482 AbstractCegarLoop]: Abstraction has 5451 states and 14511 transitions. [2021-06-05 10:31:44,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 14511 transitions. [2021-06-05 10:31:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:44,349 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:44,349 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:44,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-06-05 10:31:44,349 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 10:31:44,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:44,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1252077221, now seen corresponding path program 30 times [2021-06-05 10:31:44,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:44,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288553750] [2021-06-05 10:31:44,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:44,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:44,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288553750] [2021-06-05 10:31:44,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288553750] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:44,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:44,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:44,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854918996] [2021-06-05 10:31:44,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:44,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:44,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:44,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:44,946 INFO L87 Difference]: Start difference. First operand 5451 states and 14511 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:47,644 INFO L93 Difference]: Finished difference Result 7338 states and 19245 transitions. [2021-06-05 10:31:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:47,644 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:47,651 INFO L225 Difference]: With dead ends: 7338 [2021-06-05 10:31:47,651 INFO L226 Difference]: Without dead ends: 7129 [2021-06-05 10:31:47,652 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 2215.2ms TimeCoverageRelationStatistics Valid=490, Invalid=2590, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:47,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7129 states. [2021-06-05 10:31:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7129 to 5631. [2021-06-05 10:31:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5630 states have (on average 2.657726465364121) internal successors, (14963), 5630 states have internal predecessors, (14963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 14963 transitions. [2021-06-05 10:31:47,723 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 14963 transitions. Word has length 119 [2021-06-05 10:31:47,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:47,723 INFO L482 AbstractCegarLoop]: Abstraction has 5631 states and 14963 transitions. [2021-06-05 10:31:47,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 14963 transitions. [2021-06-05 10:31:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:47,728 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:47,728 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:47,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-06-05 10:31:47,728 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 10:31:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash -849937569, now seen corresponding path program 31 times [2021-06-05 10:31:47,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:47,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452077642] [2021-06-05 10:31:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:48,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:48,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452077642] [2021-06-05 10:31:48,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452077642] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:48,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:48,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:48,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795326727] [2021-06-05 10:31:48,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:48,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:48,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:48,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:48,389 INFO L87 Difference]: Start difference. First operand 5631 states and 14963 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:51,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:51,134 INFO L93 Difference]: Finished difference Result 7685 states and 20063 transitions. [2021-06-05 10:31:51,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:31:51,134 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:51,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:51,139 INFO L225 Difference]: With dead ends: 7685 [2021-06-05 10:31:51,139 INFO L226 Difference]: Without dead ends: 7209 [2021-06-05 10:31:51,139 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 2324.6ms TimeCoverageRelationStatistics Valid=513, Invalid=2679, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:31:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7209 states. [2021-06-05 10:31:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7209 to 5703. [2021-06-05 10:31:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 5702 states have (on average 2.6452122062434236) internal successors, (15083), 5702 states have internal predecessors, (15083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 15083 transitions. [2021-06-05 10:31:51,205 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 15083 transitions. Word has length 119 [2021-06-05 10:31:51,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:51,205 INFO L482 AbstractCegarLoop]: Abstraction has 5703 states and 15083 transitions. [2021-06-05 10:31:51,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 15083 transitions. [2021-06-05 10:31:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:51,210 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:51,210 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:51,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-06-05 10:31:51,210 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 10:31:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:51,211 INFO L82 PathProgramCache]: Analyzing trace with hash 358487795, now seen corresponding path program 32 times [2021-06-05 10:31:51,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:51,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293365044] [2021-06-05 10:31:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:51,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:51,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293365044] [2021-06-05 10:31:51,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293365044] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:51,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:51,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:51,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994928205] [2021-06-05 10:31:51,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:51,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:51,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:51,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:51,834 INFO L87 Difference]: Start difference. First operand 5703 states and 15083 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:53,971 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-06-05 10:31:54,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:54,757 INFO L93 Difference]: Finished difference Result 7342 states and 19140 transitions. [2021-06-05 10:31:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:31:54,757 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:54,763 INFO L225 Difference]: With dead ends: 7342 [2021-06-05 10:31:54,764 INFO L226 Difference]: Without dead ends: 6801 [2021-06-05 10:31:54,764 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 2436.7ms TimeCoverageRelationStatistics Valid=519, Invalid=2787, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:31:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6801 states. [2021-06-05 10:31:54,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6801 to 5295. [2021-06-05 10:31:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5294 states have (on average 2.645825462788062) internal successors, (14007), 5294 states have internal predecessors, (14007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 14007 transitions. [2021-06-05 10:31:54,829 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 14007 transitions. Word has length 119 [2021-06-05 10:31:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:54,829 INFO L482 AbstractCegarLoop]: Abstraction has 5295 states and 14007 transitions. [2021-06-05 10:31:54,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 14007 transitions. [2021-06-05 10:31:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:54,834 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:54,834 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, 1, 1, 1, 1, 1] [2021-06-05 10:31:54,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-06-05 10:31:54,834 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 10:31:54,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:54,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1717836333, now seen corresponding path program 33 times [2021-06-05 10:31:54,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:54,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751422715] [2021-06-05 10:31:54,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:55,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:55,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751422715] [2021-06-05 10:31:55,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751422715] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:55,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:55,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:55,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250684348] [2021-06-05 10:31:55,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:55,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:55,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:55,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:55,423 INFO L87 Difference]: Start difference. First operand 5295 states and 14007 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:58,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:31:58,090 INFO L93 Difference]: Finished difference Result 6938 states and 18089 transitions. [2021-06-05 10:31:58,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:31:58,090 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:31:58,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:31:58,097 INFO L225 Difference]: With dead ends: 6938 [2021-06-05 10:31:58,097 INFO L226 Difference]: Without dead ends: 6584 [2021-06-05 10:31:58,097 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 2235.3ms TimeCoverageRelationStatistics Valid=490, Invalid=2590, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:31:58,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2021-06-05 10:31:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 5175. [2021-06-05 10:31:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5174 states have (on average 2.642249710088906) internal successors, (13671), 5174 states have internal predecessors, (13671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 13671 transitions. [2021-06-05 10:31:58,161 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 13671 transitions. Word has length 119 [2021-06-05 10:31:58,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:31:58,161 INFO L482 AbstractCegarLoop]: Abstraction has 5175 states and 13671 transitions. [2021-06-05 10:31:58,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:31:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 13671 transitions. [2021-06-05 10:31:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:31:58,166 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:31:58,166 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:31:58,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-06-05 10:31:58,166 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 10:31:58,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:31:58,166 INFO L82 PathProgramCache]: Analyzing trace with hash -849843749, now seen corresponding path program 34 times [2021-06-05 10:31:58,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:31:58,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492702326] [2021-06-05 10:31:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:31:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:31:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:31:58,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:31:58,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492702326] [2021-06-05 10:31:58,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492702326] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:31:58,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:31:58,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:31:58,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663909676] [2021-06-05 10:31:58,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:31:58,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:31:58,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:31:58,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:31:58,839 INFO L87 Difference]: Start difference. First operand 5175 states and 13671 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:00,936 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-06-05 10:32:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:01,771 INFO L93 Difference]: Finished difference Result 7067 states and 18258 transitions. [2021-06-05 10:32:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:32:01,771 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:01,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:01,776 INFO L225 Difference]: With dead ends: 7067 [2021-06-05 10:32:01,776 INFO L226 Difference]: Without dead ends: 6353 [2021-06-05 10:32:01,777 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 2511.9ms TimeCoverageRelationStatistics Valid=539, Invalid=2883, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:32:01,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2021-06-05 10:32:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 4770. [2021-06-05 10:32:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4770 states, 4769 states have (on average 2.6464667645208637) internal successors, (12621), 4769 states have internal predecessors, (12621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 12621 transitions. [2021-06-05 10:32:01,832 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 12621 transitions. Word has length 119 [2021-06-05 10:32:01,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:01,832 INFO L482 AbstractCegarLoop]: Abstraction has 4770 states and 12621 transitions. [2021-06-05 10:32:01,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 12621 transitions. [2021-06-05 10:32:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:01,837 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:01,837 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:01,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-06-05 10:32:01,837 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 10:32:01,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:01,837 INFO L82 PathProgramCache]: Analyzing trace with hash 972938779, now seen corresponding path program 35 times [2021-06-05 10:32:01,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:01,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788180980] [2021-06-05 10:32:01,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:02,450 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 10:32:02,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:02,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788180980] [2021-06-05 10:32:02,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788180980] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:02,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:02,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:02,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892166214] [2021-06-05 10:32:02,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:02,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:02,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:02,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:02,452 INFO L87 Difference]: Start difference. First operand 4770 states and 12621 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:03,979 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:32:05,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:05,064 INFO L93 Difference]: Finished difference Result 5523 states and 14426 transitions. [2021-06-05 10:32:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:32:05,065 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:05,069 INFO L225 Difference]: With dead ends: 5523 [2021-06-05 10:32:05,069 INFO L226 Difference]: Without dead ends: 5310 [2021-06-05 10:32:05,069 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2278.5ms TimeCoverageRelationStatistics Valid=523, Invalid=2557, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:32:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5310 states. [2021-06-05 10:32:05,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5310 to 4786. [2021-06-05 10:32:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4786 states, 4785 states have (on average 2.645141065830721) internal successors, (12657), 4785 states have internal predecessors, (12657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 12657 transitions. [2021-06-05 10:32:05,120 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 12657 transitions. Word has length 119 [2021-06-05 10:32:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:05,121 INFO L482 AbstractCegarLoop]: Abstraction has 4786 states and 12657 transitions. [2021-06-05 10:32:05,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 12657 transitions. [2021-06-05 10:32:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:05,124 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:05,125 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:05,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-06-05 10:32:05,125 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 10:32:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1170952713, now seen corresponding path program 36 times [2021-06-05 10:32:05,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:05,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639690270] [2021-06-05 10:32:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:05,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:05,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639690270] [2021-06-05 10:32:05,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639690270] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:05,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:05,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:05,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297726916] [2021-06-05 10:32:05,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:05,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:05,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:05,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:05,785 INFO L87 Difference]: Start difference. First operand 4786 states and 12657 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:07,184 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 10:32:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:08,424 INFO L93 Difference]: Finished difference Result 5544 states and 14473 transitions. [2021-06-05 10:32:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:32:08,424 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:08,429 INFO L225 Difference]: With dead ends: 5544 [2021-06-05 10:32:08,429 INFO L226 Difference]: Without dead ends: 5306 [2021-06-05 10:32:08,430 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2381.6ms TimeCoverageRelationStatistics Valid=506, Invalid=2574, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:32:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5306 states. [2021-06-05 10:32:08,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5306 to 4782. [2021-06-05 10:32:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4782 states, 4781 states have (on average 2.645262497385484) internal successors, (12647), 4781 states have internal predecessors, (12647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 12647 transitions. [2021-06-05 10:32:08,484 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 12647 transitions. Word has length 119 [2021-06-05 10:32:08,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:08,484 INFO L482 AbstractCegarLoop]: Abstraction has 4782 states and 12647 transitions. [2021-06-05 10:32:08,484 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 12647 transitions. [2021-06-05 10:32:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:08,487 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:08,488 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:08,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-06-05 10:32:08,488 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 10:32:08,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:08,488 INFO L82 PathProgramCache]: Analyzing trace with hash 916663771, now seen corresponding path program 37 times [2021-06-05 10:32:08,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:08,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851334168] [2021-06-05 10:32:08,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:09,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:09,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851334168] [2021-06-05 10:32:09,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851334168] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:09,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:09,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:09,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945547775] [2021-06-05 10:32:09,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:09,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:09,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:09,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:09,194 INFO L87 Difference]: Start difference. First operand 4782 states and 12647 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:11,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:11,908 INFO L93 Difference]: Finished difference Result 5863 states and 15134 transitions. [2021-06-05 10:32:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:32:11,909 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:11,912 INFO L225 Difference]: With dead ends: 5863 [2021-06-05 10:32:11,912 INFO L226 Difference]: Without dead ends: 5461 [2021-06-05 10:32:11,912 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 2462.3ms TimeCoverageRelationStatistics Valid=571, Invalid=2851, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:32:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5461 states. [2021-06-05 10:32:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5461 to 4689. [2021-06-05 10:32:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 4688 states have (on average 2.6473976109215016) internal successors, (12411), 4688 states have internal predecessors, (12411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 12411 transitions. [2021-06-05 10:32:11,962 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 12411 transitions. Word has length 119 [2021-06-05 10:32:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:11,962 INFO L482 AbstractCegarLoop]: Abstraction has 4689 states and 12411 transitions. [2021-06-05 10:32:11,962 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 12411 transitions. [2021-06-05 10:32:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:11,966 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:11,966 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:11,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-06-05 10:32:11,966 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 10:32:11,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:11,966 INFO L82 PathProgramCache]: Analyzing trace with hash 61921003, now seen corresponding path program 38 times [2021-06-05 10:32:11,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:11,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008473987] [2021-06-05 10:32:11,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:12,586 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 10:32:12,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:12,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008473987] [2021-06-05 10:32:12,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008473987] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:12,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:12,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:12,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801545487] [2021-06-05 10:32:12,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:12,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:12,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:12,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:12,587 INFO L87 Difference]: Start difference. First operand 4689 states and 12411 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:13,793 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-06-05 10:32:13,989 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:32:15,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:15,378 INFO L93 Difference]: Finished difference Result 5411 states and 13961 transitions. [2021-06-05 10:32:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:32:15,378 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:15,382 INFO L225 Difference]: With dead ends: 5411 [2021-06-05 10:32:15,382 INFO L226 Difference]: Without dead ends: 5096 [2021-06-05 10:32:15,382 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 2391.6ms TimeCoverageRelationStatistics Valid=596, Invalid=2826, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:32:15,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2021-06-05 10:32:15,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 4689. [2021-06-05 10:32:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 4688 states have (on average 2.646117747440273) internal successors, (12405), 4688 states have internal predecessors, (12405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 12405 transitions. [2021-06-05 10:32:15,432 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 12405 transitions. Word has length 119 [2021-06-05 10:32:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:15,432 INFO L482 AbstractCegarLoop]: Abstraction has 4689 states and 12405 transitions. [2021-06-05 10:32:15,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 12405 transitions. [2021-06-05 10:32:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:15,436 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:15,436 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:15,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-06-05 10:32:15,436 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 10:32:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:15,437 INFO L82 PathProgramCache]: Analyzing trace with hash 581281773, now seen corresponding path program 39 times [2021-06-05 10:32:15,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:15,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840915092] [2021-06-05 10:32:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:16,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:16,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840915092] [2021-06-05 10:32:16,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840915092] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:16,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:16,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:16,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057879135] [2021-06-05 10:32:16,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:16,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:16,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:16,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:16,084 INFO L87 Difference]: Start difference. First operand 4689 states and 12405 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:17,511 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:32:19,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:19,116 INFO L93 Difference]: Finished difference Result 5447 states and 14018 transitions. [2021-06-05 10:32:19,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:32:19,116 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:19,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:19,121 INFO L225 Difference]: With dead ends: 5447 [2021-06-05 10:32:19,121 INFO L226 Difference]: Without dead ends: 5144 [2021-06-05 10:32:19,122 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 2573.1ms TimeCoverageRelationStatistics Valid=623, Invalid=2917, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:32:19,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2021-06-05 10:32:19,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 4687. [2021-06-05 10:32:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4687 states, 4686 states have (on average 2.6453265044814342) internal successors, (12396), 4686 states have internal predecessors, (12396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 12396 transitions. [2021-06-05 10:32:19,182 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 12396 transitions. Word has length 119 [2021-06-05 10:32:19,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:19,182 INFO L482 AbstractCegarLoop]: Abstraction has 4687 states and 12396 transitions. [2021-06-05 10:32:19,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 12396 transitions. [2021-06-05 10:32:19,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:19,186 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:19,186 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:19,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-06-05 10:32:19,186 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 10:32:19,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:19,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1733833719, now seen corresponding path program 40 times [2021-06-05 10:32:19,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:19,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555499793] [2021-06-05 10:32:19,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:19,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:19,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555499793] [2021-06-05 10:32:19,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555499793] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:19,899 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:19,899 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:19,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058144533] [2021-06-05 10:32:19,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:19,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:19,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:19,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:19,900 INFO L87 Difference]: Start difference. First operand 4687 states and 12396 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:23,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:23,081 INFO L93 Difference]: Finished difference Result 5360 states and 13812 transitions. [2021-06-05 10:32:23,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:32:23,081 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:23,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:23,084 INFO L225 Difference]: With dead ends: 5360 [2021-06-05 10:32:23,084 INFO L226 Difference]: Without dead ends: 5012 [2021-06-05 10:32:23,085 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 2692.1ms TimeCoverageRelationStatistics Valid=606, Invalid=2934, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:32:23,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2021-06-05 10:32:23,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4631. [2021-06-05 10:32:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4631 states, 4630 states have (on average 2.647948164146868) internal successors, (12260), 4630 states have internal predecessors, (12260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 12260 transitions. [2021-06-05 10:32:23,136 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 12260 transitions. Word has length 119 [2021-06-05 10:32:23,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:23,136 INFO L482 AbstractCegarLoop]: Abstraction has 4631 states and 12260 transitions. [2021-06-05 10:32:23,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 12260 transitions. [2021-06-05 10:32:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:23,140 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:23,140 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:23,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-06-05 10:32:23,141 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 10:32:23,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:23,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1511380245, now seen corresponding path program 41 times [2021-06-05 10:32:23,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:23,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650725139] [2021-06-05 10:32:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:23,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:23,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650725139] [2021-06-05 10:32:23,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650725139] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:23,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:23,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:23,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128675282] [2021-06-05 10:32:23,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:23,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:23,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:23,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:23,784 INFO L87 Difference]: Start difference. First operand 4631 states and 12260 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:25,274 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:32:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:26,373 INFO L93 Difference]: Finished difference Result 4998 states and 13025 transitions. [2021-06-05 10:32:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:32:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:26,378 INFO L225 Difference]: With dead ends: 4998 [2021-06-05 10:32:26,378 INFO L226 Difference]: Without dead ends: 4785 [2021-06-05 10:32:26,378 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2252.7ms TimeCoverageRelationStatistics Valid=498, Invalid=2472, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:32:26,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4785 states. [2021-06-05 10:32:26,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4785 to 4637. [2021-06-05 10:32:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4637 states, 4636 states have (on average 2.64732528041415) internal successors, (12273), 4636 states have internal predecessors, (12273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 4637 states and 12273 transitions. [2021-06-05 10:32:26,426 INFO L78 Accepts]: Start accepts. Automaton has 4637 states and 12273 transitions. Word has length 119 [2021-06-05 10:32:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:26,426 INFO L482 AbstractCegarLoop]: Abstraction has 4637 states and 12273 transitions. [2021-06-05 10:32:26,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 4637 states and 12273 transitions. [2021-06-05 10:32:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:26,430 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:26,430 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:26,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-06-05 10:32:26,431 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 10:32:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:26,431 INFO L82 PathProgramCache]: Analyzing trace with hash 468471559, now seen corresponding path program 42 times [2021-06-05 10:32:26,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:26,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307515366] [2021-06-05 10:32:26,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:27,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:27,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307515366] [2021-06-05 10:32:27,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307515366] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:27,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:27,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:27,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465097338] [2021-06-05 10:32:27,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:27,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:27,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:27,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:27,118 INFO L87 Difference]: Start difference. First operand 4637 states and 12273 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:28,513 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 10:32:29,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:29,828 INFO L93 Difference]: Finished difference Result 5019 states and 13072 transitions. [2021-06-05 10:32:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:32:29,829 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:29,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:29,833 INFO L225 Difference]: With dead ends: 5019 [2021-06-05 10:32:29,833 INFO L226 Difference]: Without dead ends: 4781 [2021-06-05 10:32:29,834 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 2325.9ms TimeCoverageRelationStatistics Valid=482, Invalid=2488, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:32:29,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2021-06-05 10:32:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 4633. [2021-06-05 10:32:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4633 states, 4632 states have (on average 2.6474525043177892) internal successors, (12263), 4632 states have internal predecessors, (12263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4633 states to 4633 states and 12263 transitions. [2021-06-05 10:32:29,882 INFO L78 Accepts]: Start accepts. Automaton has 4633 states and 12263 transitions. Word has length 119 [2021-06-05 10:32:29,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:29,882 INFO L482 AbstractCegarLoop]: Abstraction has 4633 states and 12263 transitions. [2021-06-05 10:32:29,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4633 states and 12263 transitions. [2021-06-05 10:32:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:29,886 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:29,886 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:29,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-06-05 10:32:29,886 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 10:32:29,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:29,887 INFO L82 PathProgramCache]: Analyzing trace with hash -841152243, now seen corresponding path program 43 times [2021-06-05 10:32:29,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:29,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385112365] [2021-06-05 10:32:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:30,586 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 10:32:30,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:30,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385112365] [2021-06-05 10:32:30,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385112365] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:30,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:30,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:30,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277920793] [2021-06-05 10:32:30,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:30,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:30,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:30,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:30,588 INFO L87 Difference]: Start difference. First operand 4633 states and 12263 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:32,660 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-06-05 10:32:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:33,477 INFO L93 Difference]: Finished difference Result 5266 states and 13563 transitions. [2021-06-05 10:32:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:32:33,478 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:33,481 INFO L225 Difference]: With dead ends: 5266 [2021-06-05 10:32:33,481 INFO L226 Difference]: Without dead ends: 4666 [2021-06-05 10:32:33,481 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 2493.1ms TimeCoverageRelationStatistics Valid=546, Invalid=2760, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:32:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2021-06-05 10:32:33,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 4274. [2021-06-05 10:32:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4274 states, 4273 states have (on average 2.658319681722443) internal successors, (11359), 4273 states have internal predecessors, (11359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 11359 transitions. [2021-06-05 10:32:33,525 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 11359 transitions. Word has length 119 [2021-06-05 10:32:33,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:33,525 INFO L482 AbstractCegarLoop]: Abstraction has 4274 states and 11359 transitions. [2021-06-05 10:32:33,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:33,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 11359 transitions. [2021-06-05 10:32:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:33,529 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:33,529 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:33,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-06-05 10:32:33,529 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 10:32:33,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:33,529 INFO L82 PathProgramCache]: Analyzing trace with hash 672998753, now seen corresponding path program 44 times [2021-06-05 10:32:33,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:33,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927812160] [2021-06-05 10:32:33,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:33,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:33,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927812160] [2021-06-05 10:32:33,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927812160] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:33,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:33,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:32:33,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385938452] [2021-06-05 10:32:33,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:32:33,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:33,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:32:33,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:32:33,770 INFO L87 Difference]: Start difference. First operand 4274 states and 11359 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:34,260 INFO L93 Difference]: Finished difference Result 5995 states and 15628 transitions. [2021-06-05 10:32:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:32:34,261 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:34,266 INFO L225 Difference]: With dead ends: 5995 [2021-06-05 10:32:34,266 INFO L226 Difference]: Without dead ends: 5771 [2021-06-05 10:32:34,266 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 417.3ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:32:34,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2021-06-05 10:32:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 4164. [2021-06-05 10:32:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4164 states, 4163 states have (on average 2.6509728561133796) internal successors, (11036), 4163 states have internal predecessors, (11036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 4164 states and 11036 transitions. [2021-06-05 10:32:34,319 INFO L78 Accepts]: Start accepts. Automaton has 4164 states and 11036 transitions. Word has length 119 [2021-06-05 10:32:34,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:34,319 INFO L482 AbstractCegarLoop]: Abstraction has 4164 states and 11036 transitions. [2021-06-05 10:32:34,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4164 states and 11036 transitions. [2021-06-05 10:32:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:34,323 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:34,323 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:34,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-06-05 10:32:34,323 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 10:32:34,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:34,324 INFO L82 PathProgramCache]: Analyzing trace with hash 943376607, now seen corresponding path program 45 times [2021-06-05 10:32:34,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:34,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839129522] [2021-06-05 10:32:34,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:34,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:34,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839129522] [2021-06-05 10:32:34,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839129522] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:34,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:34,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:32:34,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503064584] [2021-06-05 10:32:34,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:32:34,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:34,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:32:34,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:32:34,578 INFO L87 Difference]: Start difference. First operand 4164 states and 11036 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:35,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:35,059 INFO L93 Difference]: Finished difference Result 4103 states and 10314 transitions. [2021-06-05 10:32:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:32:35,060 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:35,063 INFO L225 Difference]: With dead ends: 4103 [2021-06-05 10:32:35,063 INFO L226 Difference]: Without dead ends: 3991 [2021-06-05 10:32:35,064 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 399.4ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:32:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2021-06-05 10:32:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3382. [2021-06-05 10:32:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3381 states have (on average 2.5732031943212066) internal successors, (8700), 3381 states have internal predecessors, (8700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 8700 transitions. [2021-06-05 10:32:35,102 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 8700 transitions. Word has length 119 [2021-06-05 10:32:35,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:35,102 INFO L482 AbstractCegarLoop]: Abstraction has 3382 states and 8700 transitions. [2021-06-05 10:32:35,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 8700 transitions. [2021-06-05 10:32:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:35,105 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:35,105 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:35,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-06-05 10:32:35,106 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 10:32:35,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:35,106 INFO L82 PathProgramCache]: Analyzing trace with hash 371611779, now seen corresponding path program 46 times [2021-06-05 10:32:35,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:35,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882089584] [2021-06-05 10:32:35,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:35,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:35,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882089584] [2021-06-05 10:32:35,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882089584] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:35,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:35,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:35,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218328334] [2021-06-05 10:32:35,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:35,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:35,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:35,711 INFO L87 Difference]: Start difference. First operand 3382 states and 8700 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:37,214 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-06-05 10:32:38,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:38,145 INFO L93 Difference]: Finished difference Result 3615 states and 9136 transitions. [2021-06-05 10:32:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:32:38,146 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:38,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:38,148 INFO L225 Difference]: With dead ends: 3615 [2021-06-05 10:32:38,149 INFO L226 Difference]: Without dead ends: 3386 [2021-06-05 10:32:38,149 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 2053.6ms TimeCoverageRelationStatistics Valid=442, Invalid=2210, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:32:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2021-06-05 10:32:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3382. [2021-06-05 10:32:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3381 states have (on average 2.5708370304643595) internal successors, (8692), 3381 states have internal predecessors, (8692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 8692 transitions. [2021-06-05 10:32:38,181 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 8692 transitions. Word has length 119 [2021-06-05 10:32:38,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:38,182 INFO L482 AbstractCegarLoop]: Abstraction has 3382 states and 8692 transitions. [2021-06-05 10:32:38,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 8692 transitions. [2021-06-05 10:32:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:38,184 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:38,185 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:38,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-06-05 10:32:38,185 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 10:32:38,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:38,185 INFO L82 PathProgramCache]: Analyzing trace with hash 367193639, now seen corresponding path program 47 times [2021-06-05 10:32:38,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:38,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305404373] [2021-06-05 10:32:38,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:38,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:38,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305404373] [2021-06-05 10:32:38,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305404373] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:38,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:38,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:38,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400631505] [2021-06-05 10:32:38,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:38,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:38,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:38,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:38,784 INFO L87 Difference]: Start difference. First operand 3382 states and 8692 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:39,764 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-06-05 10:32:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:41,311 INFO L93 Difference]: Finished difference Result 3823 states and 9688 transitions. [2021-06-05 10:32:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:32:41,311 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:41,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:41,314 INFO L225 Difference]: With dead ends: 3823 [2021-06-05 10:32:41,314 INFO L226 Difference]: Without dead ends: 3614 [2021-06-05 10:32:41,314 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 2072.2ms TimeCoverageRelationStatistics Valid=447, Invalid=2309, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:32:41,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2021-06-05 10:32:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 3526. [2021-06-05 10:32:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3526 states, 3525 states have (on average 2.566808510638298) internal successors, (9048), 3525 states have internal predecessors, (9048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3526 states and 9048 transitions. [2021-06-05 10:32:41,349 INFO L78 Accepts]: Start accepts. Automaton has 3526 states and 9048 transitions. Word has length 119 [2021-06-05 10:32:41,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:41,349 INFO L482 AbstractCegarLoop]: Abstraction has 3526 states and 9048 transitions. [2021-06-05 10:32:41,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:41,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3526 states and 9048 transitions. [2021-06-05 10:32:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:41,352 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:41,352 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:41,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-06-05 10:32:41,352 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 10:32:41,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:41,353 INFO L82 PathProgramCache]: Analyzing trace with hash -107512663, now seen corresponding path program 48 times [2021-06-05 10:32:41,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:41,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945743328] [2021-06-05 10:32:41,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:41,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:41,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945743328] [2021-06-05 10:32:41,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945743328] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:41,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:41,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:41,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710331113] [2021-06-05 10:32:41,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:41,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:41,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:41,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:41,988 INFO L87 Difference]: Start difference. First operand 3526 states and 9048 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:43,149 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-06-05 10:32:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:44,630 INFO L93 Difference]: Finished difference Result 4065 states and 10202 transitions. [2021-06-05 10:32:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:32:44,630 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:44,633 INFO L225 Difference]: With dead ends: 4065 [2021-06-05 10:32:44,633 INFO L226 Difference]: Without dead ends: 3076 [2021-06-05 10:32:44,633 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 2281.1ms TimeCoverageRelationStatistics Valid=514, Invalid=2678, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:32:44,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2021-06-05 10:32:44,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 2974. [2021-06-05 10:32:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2973 states have (on average 2.572485704675412) internal successors, (7648), 2973 states have internal predecessors, (7648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 7648 transitions. [2021-06-05 10:32:44,667 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 7648 transitions. Word has length 119 [2021-06-05 10:32:44,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:44,667 INFO L482 AbstractCegarLoop]: Abstraction has 2974 states and 7648 transitions. [2021-06-05 10:32:44,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 7648 transitions. [2021-06-05 10:32:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:44,669 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:44,670 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:44,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-06-05 10:32:44,670 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 10:32:44,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:44,670 INFO L82 PathProgramCache]: Analyzing trace with hash -551577325, now seen corresponding path program 49 times [2021-06-05 10:32:44,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:44,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730951667] [2021-06-05 10:32:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:45,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:45,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730951667] [2021-06-05 10:32:45,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730951667] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:45,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:45,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:45,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420675291] [2021-06-05 10:32:45,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:45,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:45,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:45,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:45,272 INFO L87 Difference]: Start difference. First operand 2974 states and 7648 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:46,694 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-06-05 10:32:47,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:47,656 INFO L93 Difference]: Finished difference Result 3187 states and 8054 transitions. [2021-06-05 10:32:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:32:47,656 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:47,659 INFO L225 Difference]: With dead ends: 3187 [2021-06-05 10:32:47,659 INFO L226 Difference]: Without dead ends: 2854 [2021-06-05 10:32:47,659 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 2058.5ms TimeCoverageRelationStatistics Valid=459, Invalid=2297, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:32:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2854 states. [2021-06-05 10:32:47,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2854 to 2854. [2021-06-05 10:32:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2853 states have (on average 2.5993690851735014) internal successors, (7416), 2853 states have internal predecessors, (7416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 7416 transitions. [2021-06-05 10:32:47,688 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 7416 transitions. Word has length 119 [2021-06-05 10:32:47,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:47,688 INFO L482 AbstractCegarLoop]: Abstraction has 2854 states and 7416 transitions. [2021-06-05 10:32:47,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 7416 transitions. [2021-06-05 10:32:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:47,690 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:47,691 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:47,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-06-05 10:32:47,691 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 10:32:47,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1170997685, now seen corresponding path program 50 times [2021-06-05 10:32:47,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:47,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160756889] [2021-06-05 10:32:47,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:48,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:48,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160756889] [2021-06-05 10:32:48,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160756889] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:48,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:48,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:48,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322590858] [2021-06-05 10:32:48,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:48,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:48,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:48,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:48,324 INFO L87 Difference]: Start difference. First operand 2854 states and 7416 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:50,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:50,482 INFO L93 Difference]: Finished difference Result 3087 states and 7852 transitions. [2021-06-05 10:32:50,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:32:50,483 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:50,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:50,485 INFO L225 Difference]: With dead ends: 3087 [2021-06-05 10:32:50,485 INFO L226 Difference]: Without dead ends: 2830 [2021-06-05 10:32:50,486 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 1946.6ms TimeCoverageRelationStatistics Valid=445, Invalid=2207, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:32:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2021-06-05 10:32:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2021-06-05 10:32:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2829 states have (on average 2.6044538706256626) internal successors, (7368), 2829 states have internal predecessors, (7368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 7368 transitions. [2021-06-05 10:32:50,514 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 7368 transitions. Word has length 119 [2021-06-05 10:32:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:50,514 INFO L482 AbstractCegarLoop]: Abstraction has 2830 states and 7368 transitions. [2021-06-05 10:32:50,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 7368 transitions. [2021-06-05 10:32:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:50,516 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:50,516 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:50,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-06-05 10:32:50,517 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 10:32:50,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:50,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1017089893, now seen corresponding path program 51 times [2021-06-05 10:32:50,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:50,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614814883] [2021-06-05 10:32:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:51,109 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 10:32:51,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:51,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614814883] [2021-06-05 10:32:51,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614814883] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:51,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:51,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:51,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350518907] [2021-06-05 10:32:51,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:51,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:51,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:51,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:51,111 INFO L87 Difference]: Start difference. First operand 2830 states and 7368 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:53,299 INFO L93 Difference]: Finished difference Result 3023 states and 7747 transitions. [2021-06-05 10:32:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:32:53,299 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:53,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:53,302 INFO L225 Difference]: With dead ends: 3023 [2021-06-05 10:32:53,302 INFO L226 Difference]: Without dead ends: 2697 [2021-06-05 10:32:53,302 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1895.6ms TimeCoverageRelationStatistics Valid=445, Invalid=2207, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:32:53,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2021-06-05 10:32:53,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2657. [2021-06-05 10:32:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 2656 states have (on average 2.6438253012048194) internal successors, (7022), 2656 states have internal predecessors, (7022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 7022 transitions. [2021-06-05 10:32:53,328 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 7022 transitions. Word has length 119 [2021-06-05 10:32:53,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:53,329 INFO L482 AbstractCegarLoop]: Abstraction has 2657 states and 7022 transitions. [2021-06-05 10:32:53,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 7022 transitions. [2021-06-05 10:32:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:53,331 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:53,331 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, 1, 1, 1, 1, 1] [2021-06-05 10:32:53,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-06-05 10:32:53,331 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 10:32:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:53,331 INFO L82 PathProgramCache]: Analyzing trace with hash 625952829, now seen corresponding path program 52 times [2021-06-05 10:32:53,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:53,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879366178] [2021-06-05 10:32:53,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:53,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:53,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879366178] [2021-06-05 10:32:53,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879366178] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:53,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:53,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:32:53,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746479649] [2021-06-05 10:32:53,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:32:53,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:53,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:32:53,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:32:53,521 INFO L87 Difference]: Start difference. First operand 2657 states and 7022 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:53,801 INFO L93 Difference]: Finished difference Result 5076 states and 13227 transitions. [2021-06-05 10:32:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:32:53,801 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:53,806 INFO L225 Difference]: With dead ends: 5076 [2021-06-05 10:32:53,806 INFO L226 Difference]: Without dead ends: 5076 [2021-06-05 10:32:53,806 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 267.9ms TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:32:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2021-06-05 10:32:53,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 2829. [2021-06-05 10:32:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2829 states, 2828 states have (on average 2.639321074964639) internal successors, (7464), 2828 states have internal predecessors, (7464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 7464 transitions. [2021-06-05 10:32:53,843 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 7464 transitions. Word has length 119 [2021-06-05 10:32:53,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:53,843 INFO L482 AbstractCegarLoop]: Abstraction has 2829 states and 7464 transitions. [2021-06-05 10:32:53,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 7464 transitions. [2021-06-05 10:32:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:53,845 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:53,845 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:53,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-06-05 10:32:53,846 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 10:32:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1542907711, now seen corresponding path program 53 times [2021-06-05 10:32:53,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:53,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855735367] [2021-06-05 10:32:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:54,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:54,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855735367] [2021-06-05 10:32:54,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855735367] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:54,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:54,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:32:54,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38714987] [2021-06-05 10:32:54,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:32:54,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:54,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:32:54,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:32:54,486 INFO L87 Difference]: Start difference. First operand 2829 states and 7464 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:55,650 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-06-05 10:32:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:57,579 INFO L93 Difference]: Finished difference Result 4703 states and 12288 transitions. [2021-06-05 10:32:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:32:57,580 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:57,583 INFO L225 Difference]: With dead ends: 4703 [2021-06-05 10:32:57,583 INFO L226 Difference]: Without dead ends: 4508 [2021-06-05 10:32:57,583 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 2537.7ms TimeCoverageRelationStatistics Valid=571, Invalid=2969, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:32:57,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4508 states. [2021-06-05 10:32:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4508 to 3345. [2021-06-05 10:32:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 3344 states have (on average 2.6632775119617227) internal successors, (8906), 3344 states have internal predecessors, (8906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 8906 transitions. [2021-06-05 10:32:57,621 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 8906 transitions. Word has length 119 [2021-06-05 10:32:57,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:57,621 INFO L482 AbstractCegarLoop]: Abstraction has 3345 states and 8906 transitions. [2021-06-05 10:32:57,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 8906 transitions. [2021-06-05 10:32:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:57,624 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:57,624 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:57,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-06-05 10:32:57,624 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 10:32:57,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:57,625 INFO L82 PathProgramCache]: Analyzing trace with hash -296789471, now seen corresponding path program 2 times [2021-06-05 10:32:57,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:57,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91254250] [2021-06-05 10:32:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:32:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:32:58,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:32:58,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91254250] [2021-06-05 10:32:58,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91254250] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:32:58,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:32:58,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 10:32:58,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396816737] [2021-06-05 10:32:58,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 10:32:58,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:32:58,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 10:32:58,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-06-05 10:32:58,108 INFO L87 Difference]: Start difference. First operand 3345 states and 8906 transitions. Second operand has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 22 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:32:59,859 INFO L93 Difference]: Finished difference Result 5894 states and 15645 transitions. [2021-06-05 10:32:59,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:32:59,859 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 22 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:32:59,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:32:59,863 INFO L225 Difference]: With dead ends: 5894 [2021-06-05 10:32:59,864 INFO L226 Difference]: Without dead ends: 5829 [2021-06-05 10:32:59,864 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1299.9ms TimeCoverageRelationStatistics Valid=576, Invalid=1974, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 10:32:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5829 states. [2021-06-05 10:32:59,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5829 to 5736. [2021-06-05 10:32:59,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5736 states, 5735 states have (on average 2.680034873583261) internal successors, (15370), 5735 states have internal predecessors, (15370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5736 states to 5736 states and 15370 transitions. [2021-06-05 10:32:59,924 INFO L78 Accepts]: Start accepts. Automaton has 5736 states and 15370 transitions. Word has length 119 [2021-06-05 10:32:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:32:59,924 INFO L482 AbstractCegarLoop]: Abstraction has 5736 states and 15370 transitions. [2021-06-05 10:32:59,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 22 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:32:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5736 states and 15370 transitions. [2021-06-05 10:32:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:32:59,929 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:32:59,929 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:32:59,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-06-05 10:32:59,929 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 10:32:59,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:32:59,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1945047363, now seen corresponding path program 54 times [2021-06-05 10:32:59,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:32:59,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945300423] [2021-06-05 10:32:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:32:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:00,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:00,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945300423] [2021-06-05 10:33:00,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945300423] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:00,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:00,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:00,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495363316] [2021-06-05 10:33:00,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:00,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:00,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:00,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:00,538 INFO L87 Difference]: Start difference. First operand 5736 states and 15370 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:01,659 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2021-06-05 10:33:03,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:03,413 INFO L93 Difference]: Finished difference Result 8528 states and 22532 transitions. [2021-06-05 10:33:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:33:03,413 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:03,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:03,420 INFO L225 Difference]: With dead ends: 8528 [2021-06-05 10:33:03,421 INFO L226 Difference]: Without dead ends: 7762 [2021-06-05 10:33:03,421 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 2467.6ms TimeCoverageRelationStatistics Valid=614, Invalid=2926, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:33:03,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2021-06-05 10:33:03,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 5856. [2021-06-05 10:33:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5856 states, 5855 states have (on average 2.66199829205807) internal successors, (15586), 5855 states have internal predecessors, (15586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5856 states to 5856 states and 15586 transitions. [2021-06-05 10:33:03,496 INFO L78 Accepts]: Start accepts. Automaton has 5856 states and 15586 transitions. Word has length 119 [2021-06-05 10:33:03,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:03,496 INFO L482 AbstractCegarLoop]: Abstraction has 5856 states and 15586 transitions. [2021-06-05 10:33:03,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5856 states and 15586 transitions. [2021-06-05 10:33:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:03,501 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:03,501 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:03,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-06-05 10:33:03,502 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 10:33:03,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:03,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1141494569, now seen corresponding path program 55 times [2021-06-05 10:33:03,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:03,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809298305] [2021-06-05 10:33:03,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:04,138 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 10:33:04,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:04,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809298305] [2021-06-05 10:33:04,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809298305] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:04,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:04,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:04,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452857316] [2021-06-05 10:33:04,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:04,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:04,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:04,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:04,140 INFO L87 Difference]: Start difference. First operand 5856 states and 15586 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:05,283 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2021-06-05 10:33:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:07,213 INFO L93 Difference]: Finished difference Result 7953 states and 20909 transitions. [2021-06-05 10:33:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:33:07,214 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:07,221 INFO L225 Difference]: With dead ends: 7953 [2021-06-05 10:33:07,221 INFO L226 Difference]: Without dead ends: 7114 [2021-06-05 10:33:07,221 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 2702.2ms TimeCoverageRelationStatistics Valid=635, Invalid=3147, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 10:33:07,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7114 states. [2021-06-05 10:33:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7114 to 5208. [2021-06-05 10:33:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5208 states, 5207 states have (on average 2.6606491261763012) internal successors, (13854), 5207 states have internal predecessors, (13854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 5208 states and 13854 transitions. [2021-06-05 10:33:07,303 INFO L78 Accepts]: Start accepts. Automaton has 5208 states and 13854 transitions. Word has length 119 [2021-06-05 10:33:07,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:07,303 INFO L482 AbstractCegarLoop]: Abstraction has 5208 states and 13854 transitions. [2021-06-05 10:33:07,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 5208 states and 13854 transitions. [2021-06-05 10:33:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:07,308 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:07,308 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:07,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-06-05 10:33:07,308 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 10:33:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:07,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1550242815, now seen corresponding path program 56 times [2021-06-05 10:33:07,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:07,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796745242] [2021-06-05 10:33:07,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:07,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:07,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796745242] [2021-06-05 10:33:07,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796745242] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:07,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:07,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:07,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885965936] [2021-06-05 10:33:07,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:07,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:07,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:07,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:07,918 INFO L87 Difference]: Start difference. First operand 5208 states and 13854 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:09,038 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-06-05 10:33:09,445 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:33:10,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:10,915 INFO L93 Difference]: Finished difference Result 6608 states and 17330 transitions. [2021-06-05 10:33:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:33:10,916 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:10,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:10,921 INFO L225 Difference]: With dead ends: 6608 [2021-06-05 10:33:10,921 INFO L226 Difference]: Without dead ends: 6281 [2021-06-05 10:33:10,921 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 2582.9ms TimeCoverageRelationStatistics Valid=624, Invalid=2916, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:33:10,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6281 states. [2021-06-05 10:33:10,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6281 to 5200. [2021-06-05 10:33:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5200 states, 5199 states have (on average 2.660126947489902) internal successors, (13830), 5199 states have internal predecessors, (13830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 13830 transitions. [2021-06-05 10:33:10,982 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 13830 transitions. Word has length 119 [2021-06-05 10:33:10,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:10,982 INFO L482 AbstractCegarLoop]: Abstraction has 5200 states and 13830 transitions. [2021-06-05 10:33:10,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 13830 transitions. [2021-06-05 10:33:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:10,986 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:10,986 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:10,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-06-05 10:33:10,986 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 10:33:10,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:10,987 INFO L82 PathProgramCache]: Analyzing trace with hash -2040409167, now seen corresponding path program 57 times [2021-06-05 10:33:10,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:10,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981027064] [2021-06-05 10:33:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:11,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:11,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981027064] [2021-06-05 10:33:11,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981027064] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:11,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:11,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:11,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452700408] [2021-06-05 10:33:11,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:11,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:11,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:11,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:11,587 INFO L87 Difference]: Start difference. First operand 5200 states and 13830 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:12,822 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-06-05 10:33:12,996 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:33:14,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:14,366 INFO L93 Difference]: Finished difference Result 6354 states and 16612 transitions. [2021-06-05 10:33:14,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:33:14,366 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:14,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:14,372 INFO L225 Difference]: With dead ends: 6354 [2021-06-05 10:33:14,372 INFO L226 Difference]: Without dead ends: 5967 [2021-06-05 10:33:14,372 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2406.8ms TimeCoverageRelationStatistics Valid=597, Invalid=2825, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:33:14,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5967 states. [2021-06-05 10:33:14,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5967 to 5192. [2021-06-05 10:33:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5192 states, 5191 states have (on average 2.6580620304372955) internal successors, (13798), 5191 states have internal predecessors, (13798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 13798 transitions. [2021-06-05 10:33:14,434 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 13798 transitions. Word has length 119 [2021-06-05 10:33:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:14,434 INFO L482 AbstractCegarLoop]: Abstraction has 5192 states and 13798 transitions. [2021-06-05 10:33:14,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 13798 transitions. [2021-06-05 10:33:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:14,439 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:14,439 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:14,439 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-06-05 10:33:14,439 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 10:33:14,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:14,439 INFO L82 PathProgramCache]: Analyzing trace with hash -873473791, now seen corresponding path program 58 times [2021-06-05 10:33:14,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:14,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178176911] [2021-06-05 10:33:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:15,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:15,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178176911] [2021-06-05 10:33:15,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178176911] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:15,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:15,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:15,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218541979] [2021-06-05 10:33:15,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:15,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:15,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:15,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:15,066 INFO L87 Difference]: Start difference. First operand 5192 states and 13798 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:17,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:17,727 INFO L93 Difference]: Finished difference Result 6651 states and 17539 transitions. [2021-06-05 10:33:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:33:17,727 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:17,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:17,732 INFO L225 Difference]: With dead ends: 6651 [2021-06-05 10:33:17,732 INFO L226 Difference]: Without dead ends: 6442 [2021-06-05 10:33:17,732 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2224.0ms TimeCoverageRelationStatistics Valid=483, Invalid=2487, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:33:17,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6442 states. [2021-06-05 10:33:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6442 to 5528. [2021-06-05 10:33:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5528 states, 5527 states have (on average 2.6477293287497736) internal successors, (14634), 5527 states have internal predecessors, (14634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5528 states to 5528 states and 14634 transitions. [2021-06-05 10:33:17,794 INFO L78 Accepts]: Start accepts. Automaton has 5528 states and 14634 transitions. Word has length 119 [2021-06-05 10:33:17,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:17,794 INFO L482 AbstractCegarLoop]: Abstraction has 5528 states and 14634 transitions. [2021-06-05 10:33:17,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5528 states and 14634 transitions. [2021-06-05 10:33:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:17,799 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:17,799 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:17,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-06-05 10:33:17,799 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 10:33:17,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:17,800 INFO L82 PathProgramCache]: Analyzing trace with hash -471334139, now seen corresponding path program 59 times [2021-06-05 10:33:17,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:17,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289855291] [2021-06-05 10:33:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:18,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:18,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289855291] [2021-06-05 10:33:18,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289855291] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:18,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:18,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:18,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371753434] [2021-06-05 10:33:18,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:18,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:18,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:18,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:18,390 INFO L87 Difference]: Start difference. First operand 5528 states and 14634 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:19,496 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2021-06-05 10:33:20,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:20,922 INFO L93 Difference]: Finished difference Result 6998 states and 18357 transitions. [2021-06-05 10:33:20,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:33:20,922 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:20,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:20,928 INFO L225 Difference]: With dead ends: 6998 [2021-06-05 10:33:20,928 INFO L226 Difference]: Without dead ends: 6522 [2021-06-05 10:33:20,928 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 2185.9ms TimeCoverageRelationStatistics Valid=514, Invalid=2566, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:33:20,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6522 states. [2021-06-05 10:33:20,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6522 to 5600. [2021-06-05 10:33:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5600 states, 5599 states have (on average 2.635113413109484) internal successors, (14754), 5599 states have internal predecessors, (14754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5600 states to 5600 states and 14754 transitions. [2021-06-05 10:33:20,997 INFO L78 Accepts]: Start accepts. Automaton has 5600 states and 14754 transitions. Word has length 119 [2021-06-05 10:33:20,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:20,997 INFO L482 AbstractCegarLoop]: Abstraction has 5600 states and 14754 transitions. [2021-06-05 10:33:20,997 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5600 states and 14754 transitions. [2021-06-05 10:33:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:21,002 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:21,002 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:21,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-06-05 10:33:21,002 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 10:33:21,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:21,002 INFO L82 PathProgramCache]: Analyzing trace with hash 737091225, now seen corresponding path program 60 times [2021-06-05 10:33:21,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:21,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494030811] [2021-06-05 10:33:21,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:21,644 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 10:33:21,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:21,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494030811] [2021-06-05 10:33:21,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494030811] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:21,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:21,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:21,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493818146] [2021-06-05 10:33:21,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:21,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:21,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:21,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:21,645 INFO L87 Difference]: Start difference. First operand 5600 states and 14754 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:24,343 INFO L93 Difference]: Finished difference Result 6655 states and 17434 transitions. [2021-06-05 10:33:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:33:24,343 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:24,349 INFO L225 Difference]: With dead ends: 6655 [2021-06-05 10:33:24,349 INFO L226 Difference]: Without dead ends: 6114 [2021-06-05 10:33:24,350 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 2296.2ms TimeCoverageRelationStatistics Valid=516, Invalid=2676, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:33:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6114 states. [2021-06-05 10:33:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6114 to 5192. [2021-06-05 10:33:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5192 states, 5191 states have (on average 2.6534386438065884) internal successors, (13774), 5191 states have internal predecessors, (13774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 13774 transitions. [2021-06-05 10:33:24,415 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 13774 transitions. Word has length 119 [2021-06-05 10:33:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:24,415 INFO L482 AbstractCegarLoop]: Abstraction has 5192 states and 13774 transitions. [2021-06-05 10:33:24,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 13774 transitions. [2021-06-05 10:33:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:24,420 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:24,420 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:24,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-06-05 10:33:24,420 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 10:33:24,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:24,421 INFO L82 PathProgramCache]: Analyzing trace with hash -866138687, now seen corresponding path program 61 times [2021-06-05 10:33:24,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:24,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118093764] [2021-06-05 10:33:24,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:25,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:25,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118093764] [2021-06-05 10:33:25,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118093764] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:25,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:25,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:25,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545518149] [2021-06-05 10:33:25,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:25,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:25,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:25,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:25,028 INFO L87 Difference]: Start difference. First operand 5192 states and 13774 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:26,668 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:33:27,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:27,660 INFO L93 Difference]: Finished difference Result 6161 states and 16272 transitions. [2021-06-05 10:33:27,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:33:27,661 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:27,666 INFO L225 Difference]: With dead ends: 6161 [2021-06-05 10:33:27,666 INFO L226 Difference]: Without dead ends: 5924 [2021-06-05 10:33:27,667 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 2251.2ms TimeCoverageRelationStatistics Valid=499, Invalid=2471, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:33:27,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5924 states. [2021-06-05 10:33:27,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5924 to 5168. [2021-06-05 10:33:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5167 states have (on average 2.6564737758854267) internal successors, (13726), 5167 states have internal predecessors, (13726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 13726 transitions. [2021-06-05 10:33:27,729 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 13726 transitions. Word has length 119 [2021-06-05 10:33:27,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:27,729 INFO L482 AbstractCegarLoop]: Abstraction has 5168 states and 13726 transitions. [2021-06-05 10:33:27,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 13726 transitions. [2021-06-05 10:33:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:27,734 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:27,734 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:27,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-06-05 10:33:27,734 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 10:33:27,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:27,734 INFO L82 PathProgramCache]: Analyzing trace with hash -768560355, now seen corresponding path program 62 times [2021-06-05 10:33:27,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:27,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941709122] [2021-06-05 10:33:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:28,354 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 10:33:28,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:28,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941709122] [2021-06-05 10:33:28,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941709122] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:28,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:28,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:28,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181890233] [2021-06-05 10:33:28,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:28,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:28,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:28,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:28,355 INFO L87 Difference]: Start difference. First operand 5168 states and 13726 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:30,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:30,989 INFO L93 Difference]: Finished difference Result 7746 states and 20382 transitions. [2021-06-05 10:33:30,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:33:30,989 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:30,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:30,995 INFO L225 Difference]: With dead ends: 7746 [2021-06-05 10:33:30,995 INFO L226 Difference]: Without dead ends: 7537 [2021-06-05 10:33:30,995 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 2110.1ms TimeCoverageRelationStatistics Valid=473, Invalid=2497, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:33:31,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2021-06-05 10:33:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 5492. [2021-06-05 10:33:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5491 states have (on average 2.6519759606629028) internal successors, (14562), 5491 states have internal predecessors, (14562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 14562 transitions. [2021-06-05 10:33:31,064 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 14562 transitions. Word has length 119 [2021-06-05 10:33:31,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:31,064 INFO L482 AbstractCegarLoop]: Abstraction has 5492 states and 14562 transitions. [2021-06-05 10:33:31,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 14562 transitions. [2021-06-05 10:33:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:31,069 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:31,069 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:31,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-06-05 10:33:31,069 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 10:33:31,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:31,069 INFO L82 PathProgramCache]: Analyzing trace with hash -366420703, now seen corresponding path program 63 times [2021-06-05 10:33:31,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:31,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61072192] [2021-06-05 10:33:31,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:31,676 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 10:33:31,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:31,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61072192] [2021-06-05 10:33:31,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61072192] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:31,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:31,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:31,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606288741] [2021-06-05 10:33:31,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:31,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:31,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:31,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:31,677 INFO L87 Difference]: Start difference. First operand 5492 states and 14562 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:34,331 INFO L93 Difference]: Finished difference Result 8093 states and 21200 transitions. [2021-06-05 10:33:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:33:34,331 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:34,338 INFO L225 Difference]: With dead ends: 8093 [2021-06-05 10:33:34,338 INFO L226 Difference]: Without dead ends: 7617 [2021-06-05 10:33:34,339 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2164.4ms TimeCoverageRelationStatistics Valid=501, Invalid=2579, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:33:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7617 states. [2021-06-05 10:33:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7617 to 5564. [2021-06-05 10:33:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5564 states, 5563 states have (on average 2.63922344058961) internal successors, (14682), 5563 states have internal predecessors, (14682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 5564 states and 14682 transitions. [2021-06-05 10:33:34,412 INFO L78 Accepts]: Start accepts. Automaton has 5564 states and 14682 transitions. Word has length 119 [2021-06-05 10:33:34,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:34,412 INFO L482 AbstractCegarLoop]: Abstraction has 5564 states and 14682 transitions. [2021-06-05 10:33:34,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states and 14682 transitions. [2021-06-05 10:33:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:34,417 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:34,417 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:34,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-06-05 10:33:34,417 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 10:33:34,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:34,417 INFO L82 PathProgramCache]: Analyzing trace with hash 842004661, now seen corresponding path program 64 times [2021-06-05 10:33:34,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:34,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266537581] [2021-06-05 10:33:34,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:35,036 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 10:33:35,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:35,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266537581] [2021-06-05 10:33:35,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266537581] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:35,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:35,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:35,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813789316] [2021-06-05 10:33:35,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:35,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:35,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:35,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:35,037 INFO L87 Difference]: Start difference. First operand 5564 states and 14682 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:35,745 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2021-06-05 10:33:38,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:38,035 INFO L93 Difference]: Finished difference Result 7750 states and 20277 transitions. [2021-06-05 10:33:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:33:38,036 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:38,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:38,043 INFO L225 Difference]: With dead ends: 7750 [2021-06-05 10:33:38,043 INFO L226 Difference]: Without dead ends: 7209 [2021-06-05 10:33:38,044 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 2523.5ms TimeCoverageRelationStatistics Valid=505, Invalid=2687, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:33:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7209 states. [2021-06-05 10:33:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7209 to 5156. [2021-06-05 10:33:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5156 states, 5155 states have (on average 2.639379243452958) internal successors, (13606), 5155 states have internal predecessors, (13606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 13606 transitions. [2021-06-05 10:33:38,115 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 13606 transitions. Word has length 119 [2021-06-05 10:33:38,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:38,116 INFO L482 AbstractCegarLoop]: Abstraction has 5156 states and 13606 transitions. [2021-06-05 10:33:38,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 13606 transitions. [2021-06-05 10:33:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:38,120 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:38,120 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:38,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-06-05 10:33:38,121 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 10:33:38,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:38,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1234319467, now seen corresponding path program 65 times [2021-06-05 10:33:38,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:38,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239337697] [2021-06-05 10:33:38,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:38,909 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 10:33:38,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:38,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239337697] [2021-06-05 10:33:38,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239337697] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:38,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:38,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:38,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191808533] [2021-06-05 10:33:38,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:38,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:38,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:38,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:38,910 INFO L87 Difference]: Start difference. First operand 5156 states and 13606 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:41,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:41,802 INFO L93 Difference]: Finished difference Result 7566 states and 19673 transitions. [2021-06-05 10:33:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:33:41,802 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:41,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:41,808 INFO L225 Difference]: With dead ends: 7566 [2021-06-05 10:33:41,808 INFO L226 Difference]: Without dead ends: 7212 [2021-06-05 10:33:41,808 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2473.7ms TimeCoverageRelationStatistics Valid=516, Invalid=2790, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:33:41,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7212 states. [2021-06-05 10:33:41,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7212 to 5036. [2021-06-05 10:33:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5036 states, 5035 states have (on average 2.654617676266137) internal successors, (13366), 5035 states have internal predecessors, (13366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5036 states to 5036 states and 13366 transitions. [2021-06-05 10:33:41,873 INFO L78 Accepts]: Start accepts. Automaton has 5036 states and 13366 transitions. Word has length 119 [2021-06-05 10:33:41,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:41,873 INFO L482 AbstractCegarLoop]: Abstraction has 5036 states and 13366 transitions. [2021-06-05 10:33:41,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5036 states and 13366 transitions. [2021-06-05 10:33:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:41,878 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:41,878 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:41,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-06-05 10:33:41,878 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 10:33:41,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:41,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2115126477, now seen corresponding path program 66 times [2021-06-05 10:33:41,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:41,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108037604] [2021-06-05 10:33:41,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:42,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:42,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108037604] [2021-06-05 10:33:42,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108037604] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:42,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:42,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:42,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351445758] [2021-06-05 10:33:42,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:42,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:42,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:42,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:42,483 INFO L87 Difference]: Start difference. First operand 5036 states and 13366 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:43,967 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:33:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:45,045 INFO L93 Difference]: Finished difference Result 6111 states and 16108 transitions. [2021-06-05 10:33:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:33:45,045 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:45,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:45,050 INFO L225 Difference]: With dead ends: 6111 [2021-06-05 10:33:45,050 INFO L226 Difference]: Without dead ends: 5898 [2021-06-05 10:33:45,051 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 2187.2ms TimeCoverageRelationStatistics Valid=499, Invalid=2471, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:33:45,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5898 states. [2021-06-05 10:33:45,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5898 to 5040. [2021-06-05 10:33:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5040 states, 5039 states have (on average 2.653701131176821) internal successors, (13372), 5039 states have internal predecessors, (13372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5040 states to 5040 states and 13372 transitions. [2021-06-05 10:33:45,114 INFO L78 Accepts]: Start accepts. Automaton has 5040 states and 13372 transitions. Word has length 119 [2021-06-05 10:33:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:45,114 INFO L482 AbstractCegarLoop]: Abstraction has 5040 states and 13372 transitions. [2021-06-05 10:33:45,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5040 states and 13372 transitions. [2021-06-05 10:33:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:45,118 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:45,119 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:45,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-06-05 10:33:45,119 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 10:33:45,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:45,119 INFO L82 PathProgramCache]: Analyzing trace with hash 35949327, now seen corresponding path program 67 times [2021-06-05 10:33:45,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:45,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208065049] [2021-06-05 10:33:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:45,728 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 10:33:45,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:45,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208065049] [2021-06-05 10:33:45,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208065049] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:45,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:45,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:45,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452439103] [2021-06-05 10:33:45,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:45,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:45,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:45,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:45,729 INFO L87 Difference]: Start difference. First operand 5040 states and 13372 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:48,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:48,408 INFO L93 Difference]: Finished difference Result 6417 states and 16748 transitions. [2021-06-05 10:33:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:33:48,408 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:48,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:48,415 INFO L225 Difference]: With dead ends: 6417 [2021-06-05 10:33:48,415 INFO L226 Difference]: Without dead ends: 6155 [2021-06-05 10:33:48,415 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 2309.7ms TimeCoverageRelationStatistics Valid=555, Invalid=2751, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:33:48,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2021-06-05 10:33:48,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 5012. [2021-06-05 10:33:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5012 states, 5011 states have (on average 2.6577529435242466) internal successors, (13318), 5011 states have internal predecessors, (13318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 13318 transitions. [2021-06-05 10:33:48,483 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 13318 transitions. Word has length 119 [2021-06-05 10:33:48,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:48,483 INFO L482 AbstractCegarLoop]: Abstraction has 5012 states and 13318 transitions. [2021-06-05 10:33:48,483 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 13318 transitions. [2021-06-05 10:33:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:48,488 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:48,488 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:48,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-06-05 10:33:48,488 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 10:33:48,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:48,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2104324993, now seen corresponding path program 68 times [2021-06-05 10:33:48,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:48,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349980810] [2021-06-05 10:33:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:49,129 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:49,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349980810] [2021-06-05 10:33:49,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349980810] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:49,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:49,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:49,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571671489] [2021-06-05 10:33:49,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:49,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:49,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:49,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:49,130 INFO L87 Difference]: Start difference. First operand 5012 states and 13318 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:50,391 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-06-05 10:33:50,588 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:33:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:52,009 INFO L93 Difference]: Finished difference Result 6022 states and 15680 transitions. [2021-06-05 10:33:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:33:52,010 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:52,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:52,016 INFO L225 Difference]: With dead ends: 6022 [2021-06-05 10:33:52,016 INFO L226 Difference]: Without dead ends: 5707 [2021-06-05 10:33:52,016 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2425.4ms TimeCoverageRelationStatistics Valid=597, Invalid=2825, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:33:52,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5707 states. [2021-06-05 10:33:52,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5707 to 5028. [2021-06-05 10:33:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5028 states, 5027 states have (on average 2.654863735826537) internal successors, (13346), 5027 states have internal predecessors, (13346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 13346 transitions. [2021-06-05 10:33:52,085 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 13346 transitions. Word has length 119 [2021-06-05 10:33:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:52,085 INFO L482 AbstractCegarLoop]: Abstraction has 5028 states and 13346 transitions. [2021-06-05 10:33:52,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 13346 transitions. [2021-06-05 10:33:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:52,089 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:52,090 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, 1, 1, 1, 1, 1] [2021-06-05 10:33:52,090 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-06-05 10:33:52,090 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 10:33:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:52,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1584964223, now seen corresponding path program 69 times [2021-06-05 10:33:52,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:52,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362862625] [2021-06-05 10:33:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:52,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:52,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362862625] [2021-06-05 10:33:52,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362862625] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:52,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:52,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:52,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46686337] [2021-06-05 10:33:52,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:52,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:52,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:52,716 INFO L87 Difference]: Start difference. First operand 5028 states and 13346 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:54,138 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:33:55,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:55,244 INFO L93 Difference]: Finished difference Result 5687 states and 14941 transitions. [2021-06-05 10:33:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:33:55,244 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:55,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:55,248 INFO L225 Difference]: With dead ends: 5687 [2021-06-05 10:33:55,248 INFO L226 Difference]: Without dead ends: 5474 [2021-06-05 10:33:55,248 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 2143.4ms TimeCoverageRelationStatistics Valid=477, Invalid=2385, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:33:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5474 states. [2021-06-05 10:33:55,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5474 to 5032. [2021-06-05 10:33:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 5031 states have (on average 2.653945537666468) internal successors, (13352), 5031 states have internal predecessors, (13352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 13352 transitions. [2021-06-05 10:33:55,303 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 13352 transitions. Word has length 119 [2021-06-05 10:33:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:55,303 INFO L482 AbstractCegarLoop]: Abstraction has 5032 states and 13352 transitions. [2021-06-05 10:33:55,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 13352 transitions. [2021-06-05 10:33:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:55,307 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:55,307 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:55,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-06-05 10:33:55,308 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 10:33:55,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:55,308 INFO L82 PathProgramCache]: Analyzing trace with hash 394887581, now seen corresponding path program 70 times [2021-06-05 10:33:55,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:55,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611060375] [2021-06-05 10:33:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:33:55,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:55,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611060375] [2021-06-05 10:33:55,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611060375] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:55,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:55,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:33:55,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105823354] [2021-06-05 10:33:55,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:33:55,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:55,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:33:55,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:33:55,959 INFO L87 Difference]: Start difference. First operand 5032 states and 13352 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:57,184 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2021-06-05 10:33:58,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:58,631 INFO L93 Difference]: Finished difference Result 5973 states and 15531 transitions. [2021-06-05 10:33:58,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:33:58,632 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:58,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:58,636 INFO L225 Difference]: With dead ends: 5973 [2021-06-05 10:33:58,637 INFO L226 Difference]: Without dead ends: 5651 [2021-06-05 10:33:58,637 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 2367.8ms TimeCoverageRelationStatistics Valid=532, Invalid=2660, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:33:58,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5651 states. [2021-06-05 10:33:58,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5651 to 4944. [2021-06-05 10:33:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4944 states, 4943 states have (on average 2.6663969249443658) internal successors, (13180), 4943 states have internal predecessors, (13180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 13180 transitions. [2021-06-05 10:33:58,697 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 13180 transitions. Word has length 119 [2021-06-05 10:33:58,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:58,697 INFO L482 AbstractCegarLoop]: Abstraction has 4944 states and 13180 transitions. [2021-06-05 10:33:58,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 13180 transitions. [2021-06-05 10:33:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:58,701 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:58,702 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:58,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-06-05 10:33:58,702 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 10:33:58,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash 605192547, now seen corresponding path program 71 times [2021-06-05 10:33:58,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:58,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474330108] [2021-06-05 10:33:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:33:58,939 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 10:33:58,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:33:58,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474330108] [2021-06-05 10:33:58,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474330108] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:33:58,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:33:58,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:33:58,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159655969] [2021-06-05 10:33:58,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:33:58,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:33:58,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:33:58,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:33:58,940 INFO L87 Difference]: Start difference. First operand 4944 states and 13180 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:59,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:33:59,416 INFO L93 Difference]: Finished difference Result 7703 states and 19760 transitions. [2021-06-05 10:33:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:33:59,417 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:33:59,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:33:59,423 INFO L225 Difference]: With dead ends: 7703 [2021-06-05 10:33:59,424 INFO L226 Difference]: Without dead ends: 7591 [2021-06-05 10:33:59,424 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 378.0ms TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:33:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7591 states. [2021-06-05 10:33:59,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7591 to 4568. [2021-06-05 10:33:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4568 states, 4567 states have (on average 2.6301729800744473) internal successors, (12012), 4567 states have internal predecessors, (12012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4568 states and 12012 transitions. [2021-06-05 10:33:59,495 INFO L78 Accepts]: Start accepts. Automaton has 4568 states and 12012 transitions. Word has length 119 [2021-06-05 10:33:59,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:33:59,495 INFO L482 AbstractCegarLoop]: Abstraction has 4568 states and 12012 transitions. [2021-06-05 10:33:59,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:33:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 4568 states and 12012 transitions. [2021-06-05 10:33:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:33:59,499 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:33:59,499 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:33:59,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-06-05 10:33:59,499 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 10:33:59,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:33:59,499 INFO L82 PathProgramCache]: Analyzing trace with hash 33427719, now seen corresponding path program 72 times [2021-06-05 10:33:59,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:33:59,499 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739467305] [2021-06-05 10:33:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:33:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:00,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:00,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739467305] [2021-06-05 10:34:00,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739467305] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:00,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:00,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:00,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165294024] [2021-06-05 10:34:00,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:00,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:00,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:00,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:00,160 INFO L87 Difference]: Start difference. First operand 4568 states and 12012 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:01,501 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-06-05 10:34:01,640 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-06-05 10:34:02,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:02,414 INFO L93 Difference]: Finished difference Result 5081 states and 13240 transitions. [2021-06-05 10:34:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:34:02,415 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:02,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:02,418 INFO L225 Difference]: With dead ends: 5081 [2021-06-05 10:34:02,418 INFO L226 Difference]: Without dead ends: 4852 [2021-06-05 10:34:02,418 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 2033.3ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:34:02,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2021-06-05 10:34:02,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 4568. [2021-06-05 10:34:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4568 states, 4567 states have (on average 2.6284212831180205) internal successors, (12004), 4567 states have internal predecessors, (12004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4568 states and 12004 transitions. [2021-06-05 10:34:02,466 INFO L78 Accepts]: Start accepts. Automaton has 4568 states and 12004 transitions. Word has length 119 [2021-06-05 10:34:02,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:02,466 INFO L482 AbstractCegarLoop]: Abstraction has 4568 states and 12004 transitions. [2021-06-05 10:34:02,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4568 states and 12004 transitions. [2021-06-05 10:34:02,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:02,470 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:02,470 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:02,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-06-05 10:34:02,470 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 10:34:02,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:02,470 INFO L82 PathProgramCache]: Analyzing trace with hash 29009579, now seen corresponding path program 73 times [2021-06-05 10:34:02,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:02,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860177647] [2021-06-05 10:34:02,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:03,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:03,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860177647] [2021-06-05 10:34:03,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860177647] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:03,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:03,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:03,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749374768] [2021-06-05 10:34:03,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:03,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:03,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:03,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:03,077 INFO L87 Difference]: Start difference. First operand 4568 states and 12004 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:05,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:05,373 INFO L93 Difference]: Finished difference Result 5503 states and 14343 transitions. [2021-06-05 10:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:34:05,373 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:05,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:05,377 INFO L225 Difference]: With dead ends: 5503 [2021-06-05 10:34:05,377 INFO L226 Difference]: Without dead ends: 5294 [2021-06-05 10:34:05,377 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 2010.6ms TimeCoverageRelationStatistics Valid=448, Invalid=2308, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:34:05,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5294 states. [2021-06-05 10:34:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5294 to 4856. [2021-06-05 10:34:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4856 states, 4855 states have (on average 2.6249227600411946) internal successors, (12744), 4855 states have internal predecessors, (12744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4856 states and 12744 transitions. [2021-06-05 10:34:05,430 INFO L78 Accepts]: Start accepts. Automaton has 4856 states and 12744 transitions. Word has length 119 [2021-06-05 10:34:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:05,430 INFO L482 AbstractCegarLoop]: Abstraction has 4856 states and 12744 transitions. [2021-06-05 10:34:05,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 12744 transitions. [2021-06-05 10:34:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:05,435 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:05,435 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:05,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-06-05 10:34:05,435 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 10:34:05,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:05,435 INFO L82 PathProgramCache]: Analyzing trace with hash -445696723, now seen corresponding path program 74 times [2021-06-05 10:34:05,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:05,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489420857] [2021-06-05 10:34:05,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:06,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:06,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489420857] [2021-06-05 10:34:06,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489420857] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:06,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:06,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:06,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262576722] [2021-06-05 10:34:06,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:06,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:06,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:06,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:06,042 INFO L87 Difference]: Start difference. First operand 4856 states and 12744 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:08,635 INFO L93 Difference]: Finished difference Result 5955 states and 15363 transitions. [2021-06-05 10:34:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:34:08,635 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:08,639 INFO L225 Difference]: With dead ends: 5955 [2021-06-05 10:34:08,639 INFO L226 Difference]: Without dead ends: 4966 [2021-06-05 10:34:08,640 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2200.1ms TimeCoverageRelationStatistics Valid=515, Invalid=2677, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:34:08,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4966 states. [2021-06-05 10:34:08,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4966 to 4520. [2021-06-05 10:34:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4520 states, 4519 states have (on average 2.6297853507413143) internal successors, (11884), 4519 states have internal predecessors, (11884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4520 states to 4520 states and 11884 transitions. [2021-06-05 10:34:08,690 INFO L78 Accepts]: Start accepts. Automaton has 4520 states and 11884 transitions. Word has length 119 [2021-06-05 10:34:08,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:08,690 INFO L482 AbstractCegarLoop]: Abstraction has 4520 states and 11884 transitions. [2021-06-05 10:34:08,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4520 states and 11884 transitions. [2021-06-05 10:34:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:08,693 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:08,693 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:08,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-06-05 10:34:08,693 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 10:34:08,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:08,694 INFO L82 PathProgramCache]: Analyzing trace with hash -889761385, now seen corresponding path program 75 times [2021-06-05 10:34:08,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:08,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76187109] [2021-06-05 10:34:08,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:09,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:09,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:09,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76187109] [2021-06-05 10:34:09,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76187109] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:09,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:09,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:09,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163252726] [2021-06-05 10:34:09,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:09,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:09,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:09,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:09,308 INFO L87 Difference]: Start difference. First operand 4520 states and 11884 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:10,701 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-06-05 10:34:11,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:11,598 INFO L93 Difference]: Finished difference Result 5015 states and 13085 transitions. [2021-06-05 10:34:11,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:34:11,599 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:11,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:11,603 INFO L225 Difference]: With dead ends: 5015 [2021-06-05 10:34:11,603 INFO L226 Difference]: Without dead ends: 4682 [2021-06-05 10:34:11,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2070.1ms TimeCoverageRelationStatistics Valid=460, Invalid=2296, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:34:11,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2021-06-05 10:34:11,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4400. [2021-06-05 10:34:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4400 states, 4399 states have (on average 2.6487838145032963) internal successors, (11652), 4399 states have internal predecessors, (11652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 4400 states and 11652 transitions. [2021-06-05 10:34:11,652 INFO L78 Accepts]: Start accepts. Automaton has 4400 states and 11652 transitions. Word has length 119 [2021-06-05 10:34:11,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:11,652 INFO L482 AbstractCegarLoop]: Abstraction has 4400 states and 11652 transitions. [2021-06-05 10:34:11,652 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 11652 transitions. [2021-06-05 10:34:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:11,656 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:11,656 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, 1, 1, 1, 1, 1] [2021-06-05 10:34:11,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-06-05 10:34:11,656 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 10:34:11,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:11,656 INFO L82 PathProgramCache]: Analyzing trace with hash 832813625, now seen corresponding path program 76 times [2021-06-05 10:34:11,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:11,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884953316] [2021-06-05 10:34:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:12,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:12,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884953316] [2021-06-05 10:34:12,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884953316] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:12,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:12,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:12,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413304007] [2021-06-05 10:34:12,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:12,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:12,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:12,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:12,284 INFO L87 Difference]: Start difference. First operand 4400 states and 11652 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:13,514 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:34:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:14,546 INFO L93 Difference]: Finished difference Result 4961 states and 13012 transitions. [2021-06-05 10:34:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:34:14,546 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:14,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:14,551 INFO L225 Difference]: With dead ends: 4961 [2021-06-05 10:34:14,551 INFO L226 Difference]: Without dead ends: 4704 [2021-06-05 10:34:14,551 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1950.5ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:34:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4704 states. [2021-06-05 10:34:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4704 to 4368. [2021-06-05 10:34:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4368 states, 4367 states have (on average 2.6544538584840853) internal successors, (11592), 4367 states have internal predecessors, (11592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 11592 transitions. [2021-06-05 10:34:14,603 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 11592 transitions. Word has length 119 [2021-06-05 10:34:14,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:14,604 INFO L482 AbstractCegarLoop]: Abstraction has 4368 states and 11592 transitions. [2021-06-05 10:34:14,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 11592 transitions. [2021-06-05 10:34:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:14,608 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:14,608 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:14,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-06-05 10:34:14,608 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 10:34:14,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:14,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1871316353, now seen corresponding path program 77 times [2021-06-05 10:34:14,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:14,608 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773658040] [2021-06-05 10:34:14,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:14,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:14,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773658040] [2021-06-05 10:34:14,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773658040] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:14,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:14,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:34:14,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910127387] [2021-06-05 10:34:14,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:34:14,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:14,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:34:14,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:34:14,802 INFO L87 Difference]: Start difference. First operand 4368 states and 11592 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:15,065 INFO L93 Difference]: Finished difference Result 7600 states and 19597 transitions. [2021-06-05 10:34:15,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:34:15,065 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:15,072 INFO L225 Difference]: With dead ends: 7600 [2021-06-05 10:34:15,072 INFO L226 Difference]: Without dead ends: 7600 [2021-06-05 10:34:15,072 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 247.9ms TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:34:15,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7600 states. [2021-06-05 10:34:15,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 4596. [2021-06-05 10:34:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4596 states, 4595 states have (on average 2.610228509249184) internal successors, (11994), 4595 states have internal predecessors, (11994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 4596 states and 11994 transitions. [2021-06-05 10:34:15,148 INFO L78 Accepts]: Start accepts. Automaton has 4596 states and 11994 transitions. Word has length 119 [2021-06-05 10:34:15,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:15,148 INFO L482 AbstractCegarLoop]: Abstraction has 4596 states and 11994 transitions. [2021-06-05 10:34:15,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4596 states and 11994 transitions. [2021-06-05 10:34:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:15,152 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:15,152 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:15,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-06-05 10:34:15,152 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 10:34:15,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:15,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1506696061, now seen corresponding path program 78 times [2021-06-05 10:34:15,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:15,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899640255] [2021-06-05 10:34:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:15,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:15,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899640255] [2021-06-05 10:34:15,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899640255] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:15,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:15,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:15,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248580995] [2021-06-05 10:34:15,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:15,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:15,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:15,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:15,738 INFO L87 Difference]: Start difference. First operand 4596 states and 11994 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:18,657 INFO L93 Difference]: Finished difference Result 6838 states and 17606 transitions. [2021-06-05 10:34:18,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:34:18,658 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:18,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:18,662 INFO L225 Difference]: With dead ends: 6838 [2021-06-05 10:34:18,662 INFO L226 Difference]: Without dead ends: 6547 [2021-06-05 10:34:18,663 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 2435.2ms TimeCoverageRelationStatistics Valid=571, Invalid=2969, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:34:18,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6547 states. [2021-06-05 10:34:18,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6547 to 5028. [2021-06-05 10:34:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5028 states, 5027 states have (on average 2.626218420529143) internal successors, (13202), 5027 states have internal predecessors, (13202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 13202 transitions. [2021-06-05 10:34:18,723 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 13202 transitions. Word has length 119 [2021-06-05 10:34:18,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:18,723 INFO L482 AbstractCegarLoop]: Abstraction has 5028 states and 13202 transitions. [2021-06-05 10:34:18,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:18,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 13202 transitions. [2021-06-05 10:34:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:18,727 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:18,727 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, 1, 1, 1, 1, 1] [2021-06-05 10:34:18,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-06-05 10:34:18,727 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 10:34:18,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:18,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1104556409, now seen corresponding path program 79 times [2021-06-05 10:34:18,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:18,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002011145] [2021-06-05 10:34:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:19,322 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 10:34:19,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:19,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002011145] [2021-06-05 10:34:19,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002011145] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:19,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:19,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:19,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489751511] [2021-06-05 10:34:19,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:19,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:19,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:19,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:19,323 INFO L87 Difference]: Start difference. First operand 5028 states and 13202 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:20,465 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2021-06-05 10:34:22,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:22,217 INFO L93 Difference]: Finished difference Result 7400 states and 19144 transitions. [2021-06-05 10:34:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:34:22,217 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:22,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:22,224 INFO L225 Difference]: With dead ends: 7400 [2021-06-05 10:34:22,224 INFO L226 Difference]: Without dead ends: 6634 [2021-06-05 10:34:22,224 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 2459.8ms TimeCoverageRelationStatistics Valid=614, Invalid=2926, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:34:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6634 states. [2021-06-05 10:34:22,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6634 to 5148. [2021-06-05 10:34:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 5147 states have (on average 2.606955508062949) internal successors, (13418), 5147 states have internal predecessors, (13418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 13418 transitions. [2021-06-05 10:34:22,289 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 13418 transitions. Word has length 119 [2021-06-05 10:34:22,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:22,289 INFO L482 AbstractCegarLoop]: Abstraction has 5148 states and 13418 transitions. [2021-06-05 10:34:22,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 13418 transitions. [2021-06-05 10:34:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:22,293 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:22,294 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:22,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-06-05 10:34:22,294 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 10:34:22,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:22,294 INFO L82 PathProgramCache]: Analyzing trace with hash 103868955, now seen corresponding path program 80 times [2021-06-05 10:34:22,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:22,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883140806] [2021-06-05 10:34:22,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:22,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:22,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883140806] [2021-06-05 10:34:22,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883140806] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:22,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:22,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:22,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763235658] [2021-06-05 10:34:22,977 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:22,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:22,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:22,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:22,977 INFO L87 Difference]: Start difference. First operand 5148 states and 13418 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:26,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:26,156 INFO L93 Difference]: Finished difference Result 6825 states and 17521 transitions. [2021-06-05 10:34:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:34:26,156 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:26,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:26,160 INFO L225 Difference]: With dead ends: 6825 [2021-06-05 10:34:26,161 INFO L226 Difference]: Without dead ends: 6034 [2021-06-05 10:34:26,161 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 2718.4ms TimeCoverageRelationStatistics Valid=635, Invalid=3147, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 10:34:26,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6034 states. [2021-06-05 10:34:26,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6034 to 4548. [2021-06-05 10:34:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4548 states, 4547 states have (on average 2.606113921266769) internal successors, (11850), 4547 states have internal predecessors, (11850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 11850 transitions. [2021-06-05 10:34:26,212 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 11850 transitions. Word has length 119 [2021-06-05 10:34:26,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:26,212 INFO L482 AbstractCegarLoop]: Abstraction has 4548 states and 11850 transitions. [2021-06-05 10:34:26,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 11850 transitions. [2021-06-05 10:34:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:26,216 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:26,216 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:26,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-06-05 10:34:26,216 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 10:34:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:26,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1499360957, now seen corresponding path program 81 times [2021-06-05 10:34:26,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:26,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641979216] [2021-06-05 10:34:26,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:26,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:26,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641979216] [2021-06-05 10:34:26,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641979216] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:26,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:26,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:26,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844121258] [2021-06-05 10:34:26,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:26,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:26,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:26,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:26,870 INFO L87 Difference]: Start difference. First operand 4548 states and 11850 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:28,002 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2021-06-05 10:34:28,375 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:34:29,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:29,814 INFO L93 Difference]: Finished difference Result 5576 states and 14238 transitions. [2021-06-05 10:34:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:34:29,814 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:29,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:29,819 INFO L225 Difference]: With dead ends: 5576 [2021-06-05 10:34:29,819 INFO L226 Difference]: Without dead ends: 5257 [2021-06-05 10:34:29,819 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 2566.0ms TimeCoverageRelationStatistics Valid=624, Invalid=2916, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:34:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5257 states. [2021-06-05 10:34:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5257 to 4536. [2021-06-05 10:34:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 4535 states have (on average 2.6063947078280045) internal successors, (11820), 4535 states have internal predecessors, (11820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 11820 transitions. [2021-06-05 10:34:29,873 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 11820 transitions. Word has length 119 [2021-06-05 10:34:29,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:29,873 INFO L482 AbstractCegarLoop]: Abstraction has 4536 states and 11820 transitions. [2021-06-05 10:34:29,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 11820 transitions. [2021-06-05 10:34:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:29,877 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:29,877 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, 1, 1, 1, 1, 1] [2021-06-05 10:34:29,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-06-05 10:34:29,877 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 10:34:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:29,877 INFO L82 PathProgramCache]: Analyzing trace with hash -795045643, now seen corresponding path program 82 times [2021-06-05 10:34:29,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:29,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193258901] [2021-06-05 10:34:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:30,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:30,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193258901] [2021-06-05 10:34:30,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193258901] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:30,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:30,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:30,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839384400] [2021-06-05 10:34:30,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:30,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:30,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:30,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:30,524 INFO L87 Difference]: Start difference. First operand 4536 states and 11820 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:31,744 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 10:34:31,920 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-05 10:34:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:33,364 INFO L93 Difference]: Finished difference Result 5346 states and 13574 transitions. [2021-06-05 10:34:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:34:33,364 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:33,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:33,369 INFO L225 Difference]: With dead ends: 5346 [2021-06-05 10:34:33,369 INFO L226 Difference]: Without dead ends: 4967 [2021-06-05 10:34:33,370 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2507.9ms TimeCoverageRelationStatistics Valid=597, Invalid=2825, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:34:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4967 states. [2021-06-05 10:34:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4967 to 4516. [2021-06-05 10:34:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4515 states have (on average 2.613953488372093) internal successors, (11802), 4515 states have internal predecessors, (11802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 11802 transitions. [2021-06-05 10:34:33,443 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 11802 transitions. Word has length 119 [2021-06-05 10:34:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:33,443 INFO L482 AbstractCegarLoop]: Abstraction has 4516 states and 11802 transitions. [2021-06-05 10:34:33,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 11802 transitions. [2021-06-05 10:34:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:33,447 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:33,447 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, 1, 1, 1, 1, 1] [2021-06-05 10:34:33,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-06-05 10:34:33,447 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 10:34:33,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1008413389, now seen corresponding path program 83 times [2021-06-05 10:34:33,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:33,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263326738] [2021-06-05 10:34:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:34,092 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 10:34:34,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:34,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263326738] [2021-06-05 10:34:34,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263326738] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:34,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:34,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:34,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217747784] [2021-06-05 10:34:34,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:34,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:34,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:34,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:34,093 INFO L87 Difference]: Start difference. First operand 4516 states and 11802 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:36,859 INFO L93 Difference]: Finished difference Result 5274 states and 13434 transitions. [2021-06-05 10:34:36,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:34:36,860 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:36,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:36,863 INFO L225 Difference]: With dead ends: 5274 [2021-06-05 10:34:36,863 INFO L226 Difference]: Without dead ends: 4955 [2021-06-05 10:34:36,864 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 2406.2ms TimeCoverageRelationStatistics Valid=600, Invalid=2822, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:34:36,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2021-06-05 10:34:36,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 4528. [2021-06-05 10:34:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4528 states, 4527 states have (on average 2.6092334879611223) internal successors, (11812), 4527 states have internal predecessors, (11812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 4528 states and 11812 transitions. [2021-06-05 10:34:36,915 INFO L78 Accepts]: Start accepts. Automaton has 4528 states and 11812 transitions. Word has length 119 [2021-06-05 10:34:36,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:36,915 INFO L482 AbstractCegarLoop]: Abstraction has 4528 states and 11812 transitions. [2021-06-05 10:34:36,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 4528 states and 11812 transitions. [2021-06-05 10:34:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:36,919 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:36,919 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:36,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-06-05 10:34:36,919 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 10:34:36,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:36,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1003995249, now seen corresponding path program 84 times [2021-06-05 10:34:36,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:36,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41832695] [2021-06-05 10:34:36,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:37,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:37,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41832695] [2021-06-05 10:34:37,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41832695] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:37,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:37,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:37,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761729445] [2021-06-05 10:34:37,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:37,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:37,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:37,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:37,537 INFO L87 Difference]: Start difference. First operand 4528 states and 11812 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:40,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:40,508 INFO L93 Difference]: Finished difference Result 7050 states and 18169 transitions. [2021-06-05 10:34:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:34:40,508 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:40,515 INFO L225 Difference]: With dead ends: 7050 [2021-06-05 10:34:40,515 INFO L226 Difference]: Without dead ends: 6751 [2021-06-05 10:34:40,515 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 2463.5ms TimeCoverageRelationStatistics Valid=575, Invalid=2965, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:34:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6751 states. [2021-06-05 10:34:40,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6751 to 5104. [2021-06-05 10:34:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5104 states, 5103 states have (on average 2.625906329610033) internal successors, (13400), 5103 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 10:34:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5104 states to 5104 states and 13400 transitions. [2021-06-05 10:34:40,584 INFO L78 Accepts]: Start accepts. Automaton has 5104 states and 13400 transitions. Word has length 119 [2021-06-05 10:34:40,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:40,584 INFO L482 AbstractCegarLoop]: Abstraction has 5104 states and 13400 transitions. [2021-06-05 10:34:40,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand 5104 states and 13400 transitions. [2021-06-05 10:34:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:40,588 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:40,588 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:40,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-06-05 10:34:40,588 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 10:34:40,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:40,589 INFO L82 PathProgramCache]: Analyzing trace with hash 529288947, now seen corresponding path program 85 times [2021-06-05 10:34:40,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:40,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650609769] [2021-06-05 10:34:40,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:41,208 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 10:34:41,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:41,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650609769] [2021-06-05 10:34:41,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650609769] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:41,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:41,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:41,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258530491] [2021-06-05 10:34:41,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:41,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:41,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:41,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:41,210 INFO L87 Difference]: Start difference. First operand 5104 states and 13400 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:42,319 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:34:44,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:44,391 INFO L93 Difference]: Finished difference Result 7738 states and 19953 transitions. [2021-06-05 10:34:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 10:34:44,391 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:44,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:44,396 INFO L225 Difference]: With dead ends: 7738 [2021-06-05 10:34:44,396 INFO L226 Difference]: Without dead ends: 6190 [2021-06-05 10:34:44,397 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 2714.0ms TimeCoverageRelationStatistics Valid=672, Invalid=3360, Unknown=0, NotChecked=0, Total=4032 [2021-06-05 10:34:44,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6190 states. [2021-06-05 10:34:44,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6190 to 4576. [2021-06-05 10:34:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4576 states, 4575 states have (on average 2.5975956284153003) internal successors, (11884), 4575 states have internal predecessors, (11884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4576 states to 4576 states and 11884 transitions. [2021-06-05 10:34:44,453 INFO L78 Accepts]: Start accepts. Automaton has 4576 states and 11884 transitions. Word has length 119 [2021-06-05 10:34:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:44,453 INFO L482 AbstractCegarLoop]: Abstraction has 4576 states and 11884 transitions. [2021-06-05 10:34:44,453 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 4576 states and 11884 transitions. [2021-06-05 10:34:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:44,457 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:44,457 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:44,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-06-05 10:34:44,457 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 10:34:44,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:44,457 INFO L82 PathProgramCache]: Analyzing trace with hash 85224285, now seen corresponding path program 86 times [2021-06-05 10:34:44,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:44,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572946586] [2021-06-05 10:34:44,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:45,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:45,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572946586] [2021-06-05 10:34:45,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572946586] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:45,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:45,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:45,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517909301] [2021-06-05 10:34:45,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:45,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:45,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:45,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:45,088 INFO L87 Difference]: Start difference. First operand 4576 states and 11884 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:46,566 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 10:34:47,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:47,993 INFO L93 Difference]: Finished difference Result 5684 states and 14488 transitions. [2021-06-05 10:34:47,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:34:47,993 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:47,997 INFO L225 Difference]: With dead ends: 5684 [2021-06-05 10:34:47,997 INFO L226 Difference]: Without dead ends: 5261 [2021-06-05 10:34:47,997 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 2494.7ms TimeCoverageRelationStatistics Valid=624, Invalid=2916, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:34:48,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5261 states. [2021-06-05 10:34:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5261 to 4456. [2021-06-05 10:34:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4456 states, 4455 states have (on average 2.6154882154882153) internal successors, (11652), 4455 states have internal predecessors, (11652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 11652 transitions. [2021-06-05 10:34:48,047 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 11652 transitions. Word has length 119 [2021-06-05 10:34:48,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:48,047 INFO L482 AbstractCegarLoop]: Abstraction has 4456 states and 11652 transitions. [2021-06-05 10:34:48,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 11652 transitions. [2021-06-05 10:34:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:48,050 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:48,050 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:48,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-06-05 10:34:48,050 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 10:34:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:48,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1329069541, now seen corresponding path program 87 times [2021-06-05 10:34:48,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:48,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500270073] [2021-06-05 10:34:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:48,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:48,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500270073] [2021-06-05 10:34:48,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500270073] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:48,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:48,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:34:48,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454707145] [2021-06-05 10:34:48,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:34:48,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:48,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:34:48,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:34:48,284 INFO L87 Difference]: Start difference. First operand 4456 states and 11652 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:48,771 INFO L93 Difference]: Finished difference Result 4374 states and 11032 transitions. [2021-06-05 10:34:48,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:34:48,771 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:48,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:48,775 INFO L225 Difference]: With dead ends: 4374 [2021-06-05 10:34:48,775 INFO L226 Difference]: Without dead ends: 4262 [2021-06-05 10:34:48,775 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 402.9ms TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:34:48,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2021-06-05 10:34:48,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 3600. [2021-06-05 10:34:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3600 states, 3599 states have (on average 2.569046957488191) internal successors, (9246), 3599 states have internal predecessors, (9246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 9246 transitions. [2021-06-05 10:34:48,815 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 9246 transitions. Word has length 119 [2021-06-05 10:34:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:48,815 INFO L482 AbstractCegarLoop]: Abstraction has 3600 states and 9246 transitions. [2021-06-05 10:34:48,815 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 9246 transitions. [2021-06-05 10:34:48,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:48,818 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:48,818 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] [2021-06-05 10:34:48,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-06-05 10:34:48,819 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 10:34:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash -496809957, now seen corresponding path program 88 times [2021-06-05 10:34:48,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:48,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613426741] [2021-06-05 10:34:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:49,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:49,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613426741] [2021-06-05 10:34:49,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613426741] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:49,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:49,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:49,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255602406] [2021-06-05 10:34:49,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:49,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:49,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:49,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:49,440 INFO L87 Difference]: Start difference. First operand 3600 states and 9246 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:50,791 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:34:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:51,630 INFO L93 Difference]: Finished difference Result 3873 states and 9766 transitions. [2021-06-05 10:34:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:34:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:51,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:51,634 INFO L225 Difference]: With dead ends: 3873 [2021-06-05 10:34:51,634 INFO L226 Difference]: Without dead ends: 3648 [2021-06-05 10:34:51,634 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1919.8ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:34:51,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-06-05 10:34:51,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3620. [2021-06-05 10:34:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3620 states, 3619 states have (on average 2.564244266371926) internal successors, (9280), 3619 states have internal predecessors, (9280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 9280 transitions. [2021-06-05 10:34:51,681 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 9280 transitions. Word has length 119 [2021-06-05 10:34:51,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:51,682 INFO L482 AbstractCegarLoop]: Abstraction has 3620 states and 9280 transitions. [2021-06-05 10:34:51,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 9280 transitions. [2021-06-05 10:34:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:51,685 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:51,685 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:51,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-06-05 10:34:51,685 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 10:34:51,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:51,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1625668367, now seen corresponding path program 89 times [2021-06-05 10:34:51,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:51,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701157607] [2021-06-05 10:34:51,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:52,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:52,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701157607] [2021-06-05 10:34:52,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701157607] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:52,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:52,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:52,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113698459] [2021-06-05 10:34:52,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:52,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:52,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:52,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:52,297 INFO L87 Difference]: Start difference. First operand 3620 states and 9280 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:54,544 INFO L93 Difference]: Finished difference Result 3971 states and 9972 transitions. [2021-06-05 10:34:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:34:54,544 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:54,547 INFO L225 Difference]: With dead ends: 3971 [2021-06-05 10:34:54,547 INFO L226 Difference]: Without dead ends: 3737 [2021-06-05 10:34:54,547 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 1993.3ms TimeCoverageRelationStatistics Valid=451, Invalid=2305, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:34:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2021-06-05 10:34:54,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3624. [2021-06-05 10:34:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3624 states, 3623 states have (on average 2.5630692796025394) internal successors, (9286), 3623 states have internal predecessors, (9286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 3624 states and 9286 transitions. [2021-06-05 10:34:54,585 INFO L78 Accepts]: Start accepts. Automaton has 3624 states and 9286 transitions. Word has length 119 [2021-06-05 10:34:54,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:54,585 INFO L482 AbstractCegarLoop]: Abstraction has 3624 states and 9286 transitions. [2021-06-05 10:34:54,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 9286 transitions. [2021-06-05 10:34:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:54,589 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:54,589 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, 1, 1, 1, 1, 1] [2021-06-05 10:34:54,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-06-05 10:34:54,589 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 10:34:54,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:54,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1211899971, now seen corresponding path program 90 times [2021-06-05 10:34:54,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:54,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250289774] [2021-06-05 10:34:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:55,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:55,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250289774] [2021-06-05 10:34:55,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250289774] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:55,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:55,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:55,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238521584] [2021-06-05 10:34:55,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:55,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:55,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:55,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:55,211 INFO L87 Difference]: Start difference. First operand 3624 states and 9286 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:56,503 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:34:57,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:34:57,354 INFO L93 Difference]: Finished difference Result 3853 states and 9720 transitions. [2021-06-05 10:34:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:34:57,354 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:34:57,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:34:57,356 INFO L225 Difference]: With dead ends: 3853 [2021-06-05 10:34:57,356 INFO L226 Difference]: Without dead ends: 3624 [2021-06-05 10:34:57,357 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1954.1ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:34:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2021-06-05 10:34:57,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 3608. [2021-06-05 10:34:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3608 states, 3607 states have (on average 2.5650124757416135) internal successors, (9252), 3607 states have internal predecessors, (9252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3608 states and 9252 transitions. [2021-06-05 10:34:57,392 INFO L78 Accepts]: Start accepts. Automaton has 3608 states and 9252 transitions. Word has length 119 [2021-06-05 10:34:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:34:57,393 INFO L482 AbstractCegarLoop]: Abstraction has 3608 states and 9252 transitions. [2021-06-05 10:34:57,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:34:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3608 states and 9252 transitions. [2021-06-05 10:34:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:34:57,396 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:34:57,396 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:34:57,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-06-05 10:34:57,396 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 10:34:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:34:57,396 INFO L82 PathProgramCache]: Analyzing trace with hash -830903603, now seen corresponding path program 91 times [2021-06-05 10:34:57,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:34:57,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124704087] [2021-06-05 10:34:57,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:34:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:34:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:34:57,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:34:57,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124704087] [2021-06-05 10:34:57,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124704087] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:34:57,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:34:57,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:34:57,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154102310] [2021-06-05 10:34:57,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:34:57,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:34:57,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:34:57,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:34:57,977 INFO L87 Difference]: Start difference. First operand 3608 states and 9252 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:00,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:00,219 INFO L93 Difference]: Finished difference Result 4573 states and 11573 transitions. [2021-06-05 10:35:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:35:00,219 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:00,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:00,223 INFO L225 Difference]: With dead ends: 4573 [2021-06-05 10:35:00,223 INFO L226 Difference]: Without dead ends: 4364 [2021-06-05 10:35:00,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1947.3ms TimeCoverageRelationStatistics Valid=463, Invalid=2399, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:35:00,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2021-06-05 10:35:00,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 3980. [2021-06-05 10:35:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 3979 states have (on average 2.5594370444835386) internal successors, (10184), 3979 states have internal predecessors, (10184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 10184 transitions. [2021-06-05 10:35:00,265 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 10184 transitions. Word has length 119 [2021-06-05 10:35:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:00,265 INFO L482 AbstractCegarLoop]: Abstraction has 3980 states and 10184 transitions. [2021-06-05 10:35:00,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 10184 transitions. [2021-06-05 10:35:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:00,269 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:00,269 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:00,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-06-05 10:35:00,269 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 10:35:00,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:00,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1305609905, now seen corresponding path program 92 times [2021-06-05 10:35:00,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:00,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633467765] [2021-06-05 10:35:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:00,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:00,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633467765] [2021-06-05 10:35:00,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633467765] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:00,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:00,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:00,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037907235] [2021-06-05 10:35:00,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:00,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:00,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:00,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:00,865 INFO L87 Difference]: Start difference. First operand 3980 states and 10184 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:03,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:03,673 INFO L93 Difference]: Finished difference Result 5025 states and 12593 transitions. [2021-06-05 10:35:03,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:35:03,674 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:03,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:03,677 INFO L225 Difference]: With dead ends: 5025 [2021-06-05 10:35:03,677 INFO L226 Difference]: Without dead ends: 4036 [2021-06-05 10:35:03,678 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 2354.8ms TimeCoverageRelationStatistics Valid=524, Invalid=2782, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:35:03,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4036 states. [2021-06-05 10:35:03,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4036 to 3644. [2021-06-05 10:35:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 3643 states have (on average 2.5330771342300302) internal successors, (9228), 3643 states have internal predecessors, (9228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 9228 transitions. [2021-06-05 10:35:03,718 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 9228 transitions. Word has length 119 [2021-06-05 10:35:03,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:03,718 INFO L482 AbstractCegarLoop]: Abstraction has 3644 states and 9228 transitions. [2021-06-05 10:35:03,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 9228 transitions. [2021-06-05 10:35:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:03,721 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:03,721 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:03,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-06-05 10:35:03,721 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 10:35:03,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:03,721 INFO L82 PathProgramCache]: Analyzing trace with hash -70632339, now seen corresponding path program 93 times [2021-06-05 10:35:03,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:03,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053079960] [2021-06-05 10:35:03,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:04,398 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:04,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053079960] [2021-06-05 10:35:04,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053079960] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:04,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:04,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:04,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366544442] [2021-06-05 10:35:04,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:04,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:04,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:04,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:04,399 INFO L87 Difference]: Start difference. First operand 3644 states and 9228 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:05,252 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2021-06-05 10:35:05,534 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2021-06-05 10:35:07,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:07,096 INFO L93 Difference]: Finished difference Result 4193 states and 10452 transitions. [2021-06-05 10:35:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:35:07,096 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:07,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:07,100 INFO L225 Difference]: With dead ends: 4193 [2021-06-05 10:35:07,100 INFO L226 Difference]: Without dead ends: 3839 [2021-06-05 10:35:07,100 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2314.5ms TimeCoverageRelationStatistics Valid=460, Invalid=2402, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:35:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2021-06-05 10:35:07,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3524. [2021-06-05 10:35:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3524 states, 3523 states have (on average 2.551234743116662) internal successors, (8988), 3523 states have internal predecessors, (8988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3524 states and 8988 transitions. [2021-06-05 10:35:07,139 INFO L78 Accepts]: Start accepts. Automaton has 3524 states and 8988 transitions. Word has length 119 [2021-06-05 10:35:07,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:07,139 INFO L482 AbstractCegarLoop]: Abstraction has 3524 states and 8988 transitions. [2021-06-05 10:35:07,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 8988 transitions. [2021-06-05 10:35:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:07,142 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:07,143 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:07,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-06-05 10:35:07,143 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 10:35:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash 969626369, now seen corresponding path program 94 times [2021-06-05 10:35:07,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:07,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738102852] [2021-06-05 10:35:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:07,789 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 10:35:07,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:07,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738102852] [2021-06-05 10:35:07,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738102852] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:07,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:07,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:07,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33614881] [2021-06-05 10:35:07,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:07,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:07,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:07,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:07,790 INFO L87 Difference]: Start difference. First operand 3524 states and 8988 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:09,003 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:35:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:10,475 INFO L93 Difference]: Finished difference Result 4011 states and 10073 transitions. [2021-06-05 10:35:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:35:10,475 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:10,479 INFO L225 Difference]: With dead ends: 4011 [2021-06-05 10:35:10,479 INFO L226 Difference]: Without dead ends: 3802 [2021-06-05 10:35:10,479 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 2269.4ms TimeCoverageRelationStatistics Valid=485, Invalid=2485, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:35:10,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3802 states. [2021-06-05 10:35:10,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3802 to 3668. [2021-06-05 10:35:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3668 states, 3667 states have (on average 2.548131988001091) internal successors, (9344), 3667 states have internal predecessors, (9344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3668 states and 9344 transitions. [2021-06-05 10:35:10,520 INFO L78 Accepts]: Start accepts. Automaton has 3668 states and 9344 transitions. Word has length 119 [2021-06-05 10:35:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:10,520 INFO L482 AbstractCegarLoop]: Abstraction has 3668 states and 9344 transitions. [2021-06-05 10:35:10,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 9344 transitions. [2021-06-05 10:35:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:10,523 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:10,523 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, 1, 1, 1, 1, 1] [2021-06-05 10:35:10,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-06-05 10:35:10,523 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 10:35:10,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:10,523 INFO L82 PathProgramCache]: Analyzing trace with hash 494920067, now seen corresponding path program 95 times [2021-06-05 10:35:10,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:10,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463591902] [2021-06-05 10:35:10,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:11,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:11,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463591902] [2021-06-05 10:35:11,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463591902] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:11,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:11,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:11,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092805047] [2021-06-05 10:35:11,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:11,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:11,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:11,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:11,142 INFO L87 Difference]: Start difference. First operand 3668 states and 9344 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:12,183 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2021-06-05 10:35:12,343 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:35:14,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:14,065 INFO L93 Difference]: Finished difference Result 4283 states and 10649 transitions. [2021-06-05 10:35:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:35:14,065 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:14,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:14,068 INFO L225 Difference]: With dead ends: 4283 [2021-06-05 10:35:14,068 INFO L226 Difference]: Without dead ends: 3294 [2021-06-05 10:35:14,068 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 2469.6ms TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:35:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-06-05 10:35:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3116. [2021-06-05 10:35:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3116 states, 3115 states have (on average 2.5502407704654897) internal successors, (7944), 3115 states have internal predecessors, (7944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 7944 transitions. [2021-06-05 10:35:14,101 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 7944 transitions. Word has length 119 [2021-06-05 10:35:14,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:14,101 INFO L482 AbstractCegarLoop]: Abstraction has 3116 states and 7944 transitions. [2021-06-05 10:35:14,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 7944 transitions. [2021-06-05 10:35:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:14,104 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:14,104 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:14,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-06-05 10:35:14,104 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 10:35:14,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:14,104 INFO L82 PathProgramCache]: Analyzing trace with hash 50855405, now seen corresponding path program 96 times [2021-06-05 10:35:14,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:14,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564031045] [2021-06-05 10:35:14,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:14,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:14,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564031045] [2021-06-05 10:35:14,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564031045] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:14,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:14,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:14,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651345475] [2021-06-05 10:35:14,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:14,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:14,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:14,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:14,750 INFO L87 Difference]: Start difference. First operand 3116 states and 7944 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:16,194 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 10:35:17,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:17,275 INFO L93 Difference]: Finished difference Result 3337 states and 8362 transitions. [2021-06-05 10:35:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:35:17,275 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:17,278 INFO L225 Difference]: With dead ends: 3337 [2021-06-05 10:35:17,278 INFO L226 Difference]: Without dead ends: 3100 [2021-06-05 10:35:17,278 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 2202.2ms TimeCoverageRelationStatistics Valid=480, Invalid=2382, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:35:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3100 states. [2021-06-05 10:35:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3100 to 3092. [2021-06-05 10:35:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 3091 states have (on average 2.554513102555807) internal successors, (7896), 3091 states have internal predecessors, (7896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 7896 transitions. [2021-06-05 10:35:17,310 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 7896 transitions. Word has length 119 [2021-06-05 10:35:17,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:17,310 INFO L482 AbstractCegarLoop]: Abstraction has 3092 states and 7896 transitions. [2021-06-05 10:35:17,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:17,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 7896 transitions. [2021-06-05 10:35:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:17,313 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:17,313 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:17,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-06-05 10:35:17,313 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 10:35:17,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:17,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1512238849, now seen corresponding path program 97 times [2021-06-05 10:35:17,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:17,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354815404] [2021-06-05 10:35:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:17,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:17,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354815404] [2021-06-05 10:35:17,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354815404] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:17,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:17,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:17,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959918487] [2021-06-05 10:35:17,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:17,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:17,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:17,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:17,919 INFO L87 Difference]: Start difference. First operand 3092 states and 7896 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:20,485 INFO L93 Difference]: Finished difference Result 3427 states and 8560 transitions. [2021-06-05 10:35:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:35:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:20,489 INFO L225 Difference]: With dead ends: 3427 [2021-06-05 10:35:20,489 INFO L226 Difference]: Without dead ends: 3193 [2021-06-05 10:35:20,489 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 2178.4ms TimeCoverageRelationStatistics Valid=467, Invalid=2395, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:35:20,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2021-06-05 10:35:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3096. [2021-06-05 10:35:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 3095 states have (on average 2.553150242326333) internal successors, (7902), 3095 states have internal predecessors, (7902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 7902 transitions. [2021-06-05 10:35:20,524 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 7902 transitions. Word has length 119 [2021-06-05 10:35:20,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:20,524 INFO L482 AbstractCegarLoop]: Abstraction has 3096 states and 7902 transitions. [2021-06-05 10:35:20,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 7902 transitions. [2021-06-05 10:35:20,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:20,527 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:20,527 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:20,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-06-05 10:35:20,527 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 10:35:20,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:20,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1570320461, now seen corresponding path program 98 times [2021-06-05 10:35:20,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:20,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122821288] [2021-06-05 10:35:20,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:21,128 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 10:35:21,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:21,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122821288] [2021-06-05 10:35:21,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122821288] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:21,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:21,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:21,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820956510] [2021-06-05 10:35:21,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:21,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:21,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:21,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:21,129 INFO L87 Difference]: Start difference. First operand 3096 states and 7902 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:22,496 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 10:35:23,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:23,462 INFO L93 Difference]: Finished difference Result 3309 states and 8308 transitions. [2021-06-05 10:35:23,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:35:23,462 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:23,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:23,465 INFO L225 Difference]: With dead ends: 3309 [2021-06-05 10:35:23,465 INFO L226 Difference]: Without dead ends: 2996 [2021-06-05 10:35:23,466 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2079.2ms TimeCoverageRelationStatistics Valid=462, Invalid=2294, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:35:23,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2021-06-05 10:35:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 2996. [2021-06-05 10:35:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2995 states have (on average 2.5742904841402336) internal successors, (7710), 2995 states have internal predecessors, (7710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 7710 transitions. [2021-06-05 10:35:23,497 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 7710 transitions. Word has length 119 [2021-06-05 10:35:23,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:23,497 INFO L482 AbstractCegarLoop]: Abstraction has 2996 states and 7710 transitions. [2021-06-05 10:35:23,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 7710 transitions. [2021-06-05 10:35:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:23,500 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:23,500 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:23,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-06-05 10:35:23,500 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 10:35:23,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:23,500 INFO L82 PathProgramCache]: Analyzing trace with hash 2039112753, now seen corresponding path program 99 times [2021-06-05 10:35:23,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:23,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658257296] [2021-06-05 10:35:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:24,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:24,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658257296] [2021-06-05 10:35:24,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658257296] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:24,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:24,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:24,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127710740] [2021-06-05 10:35:24,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:24,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:24,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:24,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:24,102 INFO L87 Difference]: Start difference. First operand 2996 states and 7710 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:25,325 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 10:35:25,525 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-05 10:35:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:26,427 INFO L93 Difference]: Finished difference Result 3221 states and 8141 transitions. [2021-06-05 10:35:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:26,427 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:26,430 INFO L225 Difference]: With dead ends: 3221 [2021-06-05 10:35:26,430 INFO L226 Difference]: Without dead ends: 2964 [2021-06-05 10:35:26,430 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 2028.9ms TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2964 states. [2021-06-05 10:35:26,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2964 to 2964. [2021-06-05 10:35:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2963 states have (on average 2.5818427269659128) internal successors, (7650), 2963 states have internal predecessors, (7650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 7650 transitions. [2021-06-05 10:35:26,461 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 7650 transitions. Word has length 119 [2021-06-05 10:35:26,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:26,462 INFO L482 AbstractCegarLoop]: Abstraction has 2964 states and 7650 transitions. [2021-06-05 10:35:26,462 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 7650 transitions. [2021-06-05 10:35:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:26,464 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:26,464 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:26,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-06-05 10:35:26,464 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 10:35:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:26,464 INFO L82 PathProgramCache]: Analyzing trace with hash -144760637, now seen corresponding path program 100 times [2021-06-05 10:35:26,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:26,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236299926] [2021-06-05 10:35:26,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:27,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:27,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236299926] [2021-06-05 10:35:27,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236299926] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:27,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:27,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:27,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104383281] [2021-06-05 10:35:27,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:27,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:27,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:27,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:27,149 INFO L87 Difference]: Start difference. First operand 2964 states and 7650 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:28,344 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-06-05 10:35:28,556 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:35:28,708 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-06-05 10:35:29,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:29,522 INFO L93 Difference]: Finished difference Result 3277 states and 8257 transitions. [2021-06-05 10:35:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:29,522 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:29,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:29,525 INFO L225 Difference]: With dead ends: 3277 [2021-06-05 10:35:29,525 INFO L226 Difference]: Without dead ends: 3052 [2021-06-05 10:35:29,525 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 2155.6ms TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:29,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2021-06-05 10:35:29,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 2988. [2021-06-05 10:35:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2987 states have (on average 2.575828590559089) internal successors, (7694), 2987 states have internal predecessors, (7694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 7694 transitions. [2021-06-05 10:35:29,556 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 7694 transitions. Word has length 119 [2021-06-05 10:35:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:29,556 INFO L482 AbstractCegarLoop]: Abstraction has 2988 states and 7694 transitions. [2021-06-05 10:35:29,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 7694 transitions. [2021-06-05 10:35:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:29,558 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:29,558 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:29,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-06-05 10:35:29,559 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 10:35:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash 374600133, now seen corresponding path program 101 times [2021-06-05 10:35:29,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:29,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372935208] [2021-06-05 10:35:29,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:30,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:30,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372935208] [2021-06-05 10:35:30,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372935208] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:30,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:30,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:30,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863977143] [2021-06-05 10:35:30,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:30,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:30,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:30,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:30,239 INFO L87 Difference]: Start difference. First operand 2988 states and 7694 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:31,608 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:35:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:32,688 INFO L93 Difference]: Finished difference Result 3257 states and 8215 transitions. [2021-06-05 10:35:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:35:32,689 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:32,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:32,691 INFO L225 Difference]: With dead ends: 3257 [2021-06-05 10:35:32,691 INFO L226 Difference]: Without dead ends: 3044 [2021-06-05 10:35:32,691 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 2227.1ms TimeCoverageRelationStatistics Valid=477, Invalid=2385, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:35:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2021-06-05 10:35:32,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2992. [2021-06-05 10:35:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2992 states, 2991 states have (on average 2.5743898361751922) internal successors, (7700), 2991 states have internal predecessors, (7700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 7700 transitions. [2021-06-05 10:35:32,720 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 7700 transitions. Word has length 119 [2021-06-05 10:35:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:32,720 INFO L482 AbstractCegarLoop]: Abstraction has 2992 states and 7700 transitions. [2021-06-05 10:35:32,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 7700 transitions. [2021-06-05 10:35:32,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:32,723 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:32,723 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, 1, 1, 1, 1, 1] [2021-06-05 10:35:32,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-06-05 10:35:32,723 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 10:35:32,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:32,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1940515359, now seen corresponding path program 102 times [2021-06-05 10:35:32,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:32,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056825217] [2021-06-05 10:35:32,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:33,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:33,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056825217] [2021-06-05 10:35:33,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056825217] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:33,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:33,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:33,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690546604] [2021-06-05 10:35:33,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:33,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:33,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:33,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:33,390 INFO L87 Difference]: Start difference. First operand 2992 states and 7700 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:35,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:35,773 INFO L93 Difference]: Finished difference Result 3359 states and 8437 transitions. [2021-06-05 10:35:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:35:35,773 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:35,776 INFO L225 Difference]: With dead ends: 3359 [2021-06-05 10:35:35,776 INFO L226 Difference]: Without dead ends: 3109 [2021-06-05 10:35:35,776 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2175.7ms TimeCoverageRelationStatistics Valid=446, Invalid=2310, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:35:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-06-05 10:35:35,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2976. [2021-06-05 10:35:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2975 states have (on average 2.5788235294117645) internal successors, (7672), 2975 states have internal predecessors, (7672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 7672 transitions. [2021-06-05 10:35:35,806 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 7672 transitions. Word has length 119 [2021-06-05 10:35:35,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:35,806 INFO L482 AbstractCegarLoop]: Abstraction has 2976 states and 7672 transitions. [2021-06-05 10:35:35,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 7672 transitions. [2021-06-05 10:35:35,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:35,808 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:35,808 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:35,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-06-05 10:35:35,809 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 10:35:35,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:35,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1899470451, now seen corresponding path program 103 times [2021-06-05 10:35:35,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:35,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540983980] [2021-06-05 10:35:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:36,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:36,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540983980] [2021-06-05 10:35:36,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540983980] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:36,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:36,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:36,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56754086] [2021-06-05 10:35:36,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:36,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:36,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:36,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:36,438 INFO L87 Difference]: Start difference. First operand 2976 states and 7672 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:37,772 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 10:35:38,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:38,639 INFO L93 Difference]: Finished difference Result 3241 states and 8172 transitions. [2021-06-05 10:35:38,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:38,639 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:38,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:38,641 INFO L225 Difference]: With dead ends: 3241 [2021-06-05 10:35:38,641 INFO L226 Difference]: Without dead ends: 3008 [2021-06-05 10:35:38,641 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1947.5ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2021-06-05 10:35:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 2968. [2021-06-05 10:35:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2968 states, 2967 states have (on average 2.5803842264914056) internal successors, (7656), 2967 states have internal predecessors, (7656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 7656 transitions. [2021-06-05 10:35:38,669 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 7656 transitions. Word has length 119 [2021-06-05 10:35:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:38,669 INFO L482 AbstractCegarLoop]: Abstraction has 2968 states and 7656 transitions. [2021-06-05 10:35:38,670 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 7656 transitions. [2021-06-05 10:35:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:38,672 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:38,672 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:38,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-06-05 10:35:38,672 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 10:35:38,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash 167118335, now seen corresponding path program 104 times [2021-06-05 10:35:38,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:38,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914485531] [2021-06-05 10:35:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:39,285 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 10:35:39,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:39,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914485531] [2021-06-05 10:35:39,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914485531] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:39,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:39,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:39,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967846508] [2021-06-05 10:35:39,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:39,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:39,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:39,286 INFO L87 Difference]: Start difference. First operand 2968 states and 7656 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:40,499 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-06-05 10:35:40,710 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-06-05 10:35:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:41,608 INFO L93 Difference]: Finished difference Result 3233 states and 8171 transitions. [2021-06-05 10:35:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:41,609 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:41,611 INFO L225 Difference]: With dead ends: 3233 [2021-06-05 10:35:41,611 INFO L226 Difference]: Without dead ends: 3008 [2021-06-05 10:35:41,611 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 2070.6ms TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:41,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2021-06-05 10:35:41,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 2976. [2021-06-05 10:35:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2975 states have (on average 2.5788235294117645) internal successors, (7672), 2975 states have internal predecessors, (7672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 7672 transitions. [2021-06-05 10:35:41,640 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 7672 transitions. Word has length 119 [2021-06-05 10:35:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:41,640 INFO L482 AbstractCegarLoop]: Abstraction has 2976 states and 7672 transitions. [2021-06-05 10:35:41,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 7672 transitions. [2021-06-05 10:35:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:41,642 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:41,642 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:41,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-06-05 10:35:41,642 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 10:35:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:41,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1293526919, now seen corresponding path program 105 times [2021-06-05 10:35:41,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:41,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803586689] [2021-06-05 10:35:41,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:42,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:42,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803586689] [2021-06-05 10:35:42,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803586689] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:42,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:42,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:42,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512605532] [2021-06-05 10:35:42,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:42,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:42,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:42,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:42,271 INFO L87 Difference]: Start difference. First operand 2976 states and 7672 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:43,643 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:35:44,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:44,504 INFO L93 Difference]: Finished difference Result 3221 states and 8142 transitions. [2021-06-05 10:35:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:44,505 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:44,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:44,507 INFO L225 Difference]: With dead ends: 3221 [2021-06-05 10:35:44,507 INFO L226 Difference]: Without dead ends: 2992 [2021-06-05 10:35:44,508 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1971.4ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:44,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2021-06-05 10:35:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2984. [2021-06-05 10:35:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2984 states, 2983 states have (on average 2.5745893395910158) internal successors, (7680), 2983 states have internal predecessors, (7680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 7680 transitions. [2021-06-05 10:35:44,539 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 7680 transitions. Word has length 119 [2021-06-05 10:35:44,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:44,540 INFO L482 AbstractCegarLoop]: Abstraction has 2984 states and 7680 transitions. [2021-06-05 10:35:44,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 7680 transitions. [2021-06-05 10:35:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:44,542 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:44,542 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, 1, 1, 1, 1, 1] [2021-06-05 10:35:44,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-06-05 10:35:44,542 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 10:35:44,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:44,542 INFO L82 PathProgramCache]: Analyzing trace with hash 636827677, now seen corresponding path program 106 times [2021-06-05 10:35:44,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:44,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820104859] [2021-06-05 10:35:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:45,133 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 10:35:45,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:45,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820104859] [2021-06-05 10:35:45,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820104859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:45,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:45,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:45,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012168091] [2021-06-05 10:35:45,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:45,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:45,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:45,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:45,134 INFO L87 Difference]: Start difference. First operand 2984 states and 7680 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:47,406 INFO L93 Difference]: Finished difference Result 3319 states and 8344 transitions. [2021-06-05 10:35:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:35:47,406 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:47,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:47,409 INFO L225 Difference]: With dead ends: 3319 [2021-06-05 10:35:47,409 INFO L226 Difference]: Without dead ends: 3085 [2021-06-05 10:35:47,410 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1969.6ms TimeCoverageRelationStatistics Valid=451, Invalid=2305, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:35:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2021-06-05 10:35:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2988. [2021-06-05 10:35:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2987 states have (on average 2.573150318044861) internal successors, (7686), 2987 states have internal predecessors, (7686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 7686 transitions. [2021-06-05 10:35:47,440 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 7686 transitions. Word has length 119 [2021-06-05 10:35:47,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:47,440 INFO L482 AbstractCegarLoop]: Abstraction has 2988 states and 7686 transitions. [2021-06-05 10:35:47,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 7686 transitions. [2021-06-05 10:35:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:47,443 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:47,443 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:47,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-06-05 10:35:47,443 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 10:35:47,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:47,443 INFO L82 PathProgramCache]: Analyzing trace with hash 223059281, now seen corresponding path program 107 times [2021-06-05 10:35:47,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:47,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781891328] [2021-06-05 10:35:47,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:48,043 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 10:35:48,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:48,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781891328] [2021-06-05 10:35:48,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781891328] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:48,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:48,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:48,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091252016] [2021-06-05 10:35:48,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:48,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:48,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:48,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:48,045 INFO L87 Difference]: Start difference. First operand 2988 states and 7686 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:49,287 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:35:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:50,124 INFO L93 Difference]: Finished difference Result 3201 states and 8092 transitions. [2021-06-05 10:35:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:50,124 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:50,127 INFO L225 Difference]: With dead ends: 3201 [2021-06-05 10:35:50,127 INFO L226 Difference]: Without dead ends: 2940 [2021-06-05 10:35:50,127 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1922.1ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:50,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2021-06-05 10:35:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2940. [2021-06-05 10:35:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2939 states have (on average 2.586594079618918) internal successors, (7602), 2939 states have internal predecessors, (7602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 7602 transitions. [2021-06-05 10:35:50,155 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 7602 transitions. Word has length 119 [2021-06-05 10:35:50,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:50,155 INFO L482 AbstractCegarLoop]: Abstraction has 2940 states and 7602 transitions. [2021-06-05 10:35:50,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 7602 transitions. [2021-06-05 10:35:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:50,158 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:50,158 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:50,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-06-05 10:35:50,158 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 10:35:50,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:50,158 INFO L82 PathProgramCache]: Analyzing trace with hash -2120060335, now seen corresponding path program 108 times [2021-06-05 10:35:50,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:50,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175362913] [2021-06-05 10:35:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:50,823 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 10:35:50,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:50,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175362913] [2021-06-05 10:35:50,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175362913] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:50,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:50,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:50,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259129049] [2021-06-05 10:35:50,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:50,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:50,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:50,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:50,824 INFO L87 Difference]: Start difference. First operand 2940 states and 7602 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:52,034 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-06-05 10:35:52,259 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:35:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:53,170 INFO L93 Difference]: Finished difference Result 3255 states and 8264 transitions. [2021-06-05 10:35:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:35:53,171 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:53,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:53,174 INFO L225 Difference]: With dead ends: 3255 [2021-06-05 10:35:53,174 INFO L226 Difference]: Without dead ends: 3102 [2021-06-05 10:35:53,174 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 2064.0ms TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:35:53,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2021-06-05 10:35:53,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 2980. [2021-06-05 10:35:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2980 states, 2979 states have (on average 2.582074521651561) internal successors, (7692), 2979 states have internal predecessors, (7692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 7692 transitions. [2021-06-05 10:35:53,205 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 7692 transitions. Word has length 119 [2021-06-05 10:35:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:53,205 INFO L482 AbstractCegarLoop]: Abstraction has 2980 states and 7692 transitions. [2021-06-05 10:35:53,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 7692 transitions. [2021-06-05 10:35:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:53,207 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:53,207 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, 1, 1, 1, 1, 1] [2021-06-05 10:35:53,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-06-05 10:35:53,207 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 10:35:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:53,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1600699565, now seen corresponding path program 109 times [2021-06-05 10:35:53,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:53,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440941640] [2021-06-05 10:35:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:53,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:53,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440941640] [2021-06-05 10:35:53,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440941640] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:53,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:53,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:53,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92334222] [2021-06-05 10:35:53,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:53,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:53,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:53,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:53,901 INFO L87 Difference]: Start difference. First operand 2980 states and 7692 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:55,226 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:35:56,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:56,282 INFO L93 Difference]: Finished difference Result 3251 states and 8252 transitions. [2021-06-05 10:35:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:35:56,282 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:56,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:56,285 INFO L225 Difference]: With dead ends: 3251 [2021-06-05 10:35:56,285 INFO L226 Difference]: Without dead ends: 3104 [2021-06-05 10:35:56,285 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 2245.0ms TimeCoverageRelationStatistics Valid=477, Invalid=2385, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:35:56,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2021-06-05 10:35:56,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2982. [2021-06-05 10:35:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2981 states have (on average 2.581348540758135) internal successors, (7695), 2981 states have internal predecessors, (7695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 7695 transitions. [2021-06-05 10:35:56,317 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 7695 transitions. Word has length 119 [2021-06-05 10:35:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:56,317 INFO L482 AbstractCegarLoop]: Abstraction has 2982 states and 7695 transitions. [2021-06-05 10:35:56,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 7695 transitions. [2021-06-05 10:35:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:56,319 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:56,319 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:56,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-06-05 10:35:56,319 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 10:35:56,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:56,320 INFO L82 PathProgramCache]: Analyzing trace with hash 379152239, now seen corresponding path program 110 times [2021-06-05 10:35:56,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:56,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955988151] [2021-06-05 10:35:56,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:35:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:35:57,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:35:57,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955988151] [2021-06-05 10:35:57,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955988151] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:35:57,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:35:57,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:35:57,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448696195] [2021-06-05 10:35:57,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:35:57,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:35:57,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:35:57,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:35:57,019 INFO L87 Difference]: Start difference. First operand 2982 states and 7695 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:35:59,450 INFO L93 Difference]: Finished difference Result 3260 states and 8272 transitions. [2021-06-05 10:35:59,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:35:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:35:59,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:35:59,452 INFO L225 Difference]: With dead ends: 3260 [2021-06-05 10:35:59,452 INFO L226 Difference]: Without dead ends: 3092 [2021-06-05 10:35:59,453 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 2176.6ms TimeCoverageRelationStatistics Valid=446, Invalid=2310, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:35:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2021-06-05 10:35:59,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2974. [2021-06-05 10:35:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2973 states have (on average 2.580894719138917) internal successors, (7673), 2973 states have internal predecessors, (7673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 7673 transitions. [2021-06-05 10:35:59,481 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 7673 transitions. Word has length 119 [2021-06-05 10:35:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:35:59,481 INFO L482 AbstractCegarLoop]: Abstraction has 2974 states and 7673 transitions. [2021-06-05 10:35:59,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:35:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 7673 transitions. [2021-06-05 10:35:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:35:59,484 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:35:59,484 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:35:59,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-06-05 10:35:59,484 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 10:35:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:35:59,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1257337423, now seen corresponding path program 111 times [2021-06-05 10:35:59,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:35:59,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165667239] [2021-06-05 10:35:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:35:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:00,149 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:00,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165667239] [2021-06-05 10:36:00,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165667239] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:00,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:00,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:00,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994248604] [2021-06-05 10:36:00,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:00,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:00,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:00,150 INFO L87 Difference]: Start difference. First operand 2974 states and 7673 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:01,585 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:36:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:02,770 INFO L93 Difference]: Finished difference Result 3293 states and 8348 transitions. [2021-06-05 10:36:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:36:02,770 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:02,773 INFO L225 Difference]: With dead ends: 3293 [2021-06-05 10:36:02,773 INFO L226 Difference]: Without dead ends: 3146 [2021-06-05 10:36:02,773 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 2323.8ms TimeCoverageRelationStatistics Valid=499, Invalid=2471, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:36:02,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2021-06-05 10:36:02,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2982. [2021-06-05 10:36:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2981 states have (on average 2.580006709158001) internal successors, (7691), 2981 states have internal predecessors, (7691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 7691 transitions. [2021-06-05 10:36:02,804 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 7691 transitions. Word has length 119 [2021-06-05 10:36:02,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:02,804 INFO L482 AbstractCegarLoop]: Abstraction has 2982 states and 7691 transitions. [2021-06-05 10:36:02,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 7691 transitions. [2021-06-05 10:36:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:02,806 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:02,806 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:02,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-06-05 10:36:02,807 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 10:36:02,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:02,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1057778069, now seen corresponding path program 112 times [2021-06-05 10:36:02,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:02,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916249000] [2021-06-05 10:36:02,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:03,493 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 10:36:03,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:03,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916249000] [2021-06-05 10:36:03,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916249000] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:03,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:03,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:03,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929667817] [2021-06-05 10:36:03,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:03,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:03,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:03,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:03,494 INFO L87 Difference]: Start difference. First operand 2982 states and 7691 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:05,990 INFO L93 Difference]: Finished difference Result 3306 states and 8376 transitions. [2021-06-05 10:36:05,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:36:05,991 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:05,993 INFO L225 Difference]: With dead ends: 3306 [2021-06-05 10:36:05,993 INFO L226 Difference]: Without dead ends: 3144 [2021-06-05 10:36:05,994 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 2328.4ms TimeCoverageRelationStatistics Valid=483, Invalid=2487, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:36:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2021-06-05 10:36:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 2980. [2021-06-05 10:36:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2980 states, 2979 states have (on average 2.580060422960725) internal successors, (7686), 2979 states have internal predecessors, (7686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 7686 transitions. [2021-06-05 10:36:06,026 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 7686 transitions. Word has length 119 [2021-06-05 10:36:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:06,026 INFO L482 AbstractCegarLoop]: Abstraction has 2980 states and 7686 transitions. [2021-06-05 10:36:06,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 7686 transitions. [2021-06-05 10:36:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:06,028 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:06,029 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:06,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-06-05 10:36:06,029 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 10:36:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:06,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1927565425, now seen corresponding path program 113 times [2021-06-05 10:36:06,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:06,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52941809] [2021-06-05 10:36:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:06,712 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:06,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52941809] [2021-06-05 10:36:06,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52941809] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:06,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:06,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:06,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380477868] [2021-06-05 10:36:06,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:06,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:06,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:06,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:06,713 INFO L87 Difference]: Start difference. First operand 2980 states and 7686 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:08,678 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-06-05 10:36:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:09,441 INFO L93 Difference]: Finished difference Result 3539 states and 8837 transitions. [2021-06-05 10:36:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:36:09,441 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:09,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:09,445 INFO L225 Difference]: With dead ends: 3539 [2021-06-05 10:36:09,445 INFO L226 Difference]: Without dead ends: 3310 [2021-06-05 10:36:09,445 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 2485.9ms TimeCoverageRelationStatistics Valid=547, Invalid=2759, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:36:09,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2021-06-05 10:36:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 2956. [2021-06-05 10:36:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2955 states have (on average 2.579357021996616) internal successors, (7622), 2955 states have internal predecessors, (7622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 7622 transitions. [2021-06-05 10:36:09,477 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 7622 transitions. Word has length 119 [2021-06-05 10:36:09,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:09,477 INFO L482 AbstractCegarLoop]: Abstraction has 2956 states and 7622 transitions. [2021-06-05 10:36:09,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 7622 transitions. [2021-06-05 10:36:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:09,479 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:09,479 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:09,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-06-05 10:36:09,479 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 10:36:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:09,480 INFO L82 PathProgramCache]: Analyzing trace with hash -738424267, now seen corresponding path program 3 times [2021-06-05 10:36:09,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:09,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987801370] [2021-06-05 10:36:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:09,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:09,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987801370] [2021-06-05 10:36:09,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987801370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:09,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:09,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:36:09,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534668852] [2021-06-05 10:36:09,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:36:09,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:36:09,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:36:09,634 INFO L87 Difference]: Start difference. First operand 2956 states and 7622 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:09,927 INFO L93 Difference]: Finished difference Result 3247 states and 8153 transitions. [2021-06-05 10:36:09,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 10:36:09,928 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:09,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:09,930 INFO L225 Difference]: With dead ends: 3247 [2021-06-05 10:36:09,930 INFO L226 Difference]: Without dead ends: 3247 [2021-06-05 10:36:09,930 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 217.8ms TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-06-05 10:36:09,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2021-06-05 10:36:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 3024. [2021-06-05 10:36:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 3023 states have (on average 2.5689712206417465) internal successors, (7766), 3023 states have internal predecessors, (7766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 7766 transitions. [2021-06-05 10:36:09,960 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 7766 transitions. Word has length 119 [2021-06-05 10:36:09,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:09,960 INFO L482 AbstractCegarLoop]: Abstraction has 3024 states and 7766 transitions. [2021-06-05 10:36:09,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 7766 transitions. [2021-06-05 10:36:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:09,962 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:09,962 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:09,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-06-05 10:36:09,962 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 10:36:09,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:09,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1044605369, now seen corresponding path program 114 times [2021-06-05 10:36:09,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:09,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935493706] [2021-06-05 10:36:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:10,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:10,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935493706] [2021-06-05 10:36:10,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935493706] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:10,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:10,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:10,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064479712] [2021-06-05 10:36:10,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:10,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:10,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:10,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:10,594 INFO L87 Difference]: Start difference. First operand 3024 states and 7766 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:12,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:12,679 INFO L93 Difference]: Finished difference Result 3327 states and 8369 transitions. [2021-06-05 10:36:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:36:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:12,682 INFO L225 Difference]: With dead ends: 3327 [2021-06-05 10:36:12,682 INFO L226 Difference]: Without dead ends: 3085 [2021-06-05 10:36:12,682 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 1911.7ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:36:12,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2021-06-05 10:36:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2969. [2021-06-05 10:36:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2969 states, 2968 states have (on average 2.5785040431266846) internal successors, (7653), 2968 states have internal predecessors, (7653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 7653 transitions. [2021-06-05 10:36:12,713 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 7653 transitions. Word has length 119 [2021-06-05 10:36:12,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:12,713 INFO L482 AbstractCegarLoop]: Abstraction has 2969 states and 7653 transitions. [2021-06-05 10:36:12,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 7653 transitions. [2021-06-05 10:36:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:12,715 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:12,715 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:12,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-06-05 10:36:12,715 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 10:36:12,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:12,716 INFO L82 PathProgramCache]: Analyzing trace with hash -620934893, now seen corresponding path program 115 times [2021-06-05 10:36:12,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:12,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920805380] [2021-06-05 10:36:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:13,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:13,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920805380] [2021-06-05 10:36:13,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920805380] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:13,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:13,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:13,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006249082] [2021-06-05 10:36:13,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:13,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:13,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:13,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:13,329 INFO L87 Difference]: Start difference. First operand 2969 states and 7653 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:14,435 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-06-05 10:36:14,637 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-06-05 10:36:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:15,474 INFO L93 Difference]: Finished difference Result 3281 states and 8272 transitions. [2021-06-05 10:36:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:36:15,474 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:15,476 INFO L225 Difference]: With dead ends: 3281 [2021-06-05 10:36:15,476 INFO L226 Difference]: Without dead ends: 3058 [2021-06-05 10:36:15,476 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 1965.8ms TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:36:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2021-06-05 10:36:15,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 2983. [2021-06-05 10:36:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 2.573775989268947) internal successors, (7675), 2982 states have internal predecessors, (7675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 7675 transitions. [2021-06-05 10:36:15,505 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 7675 transitions. Word has length 119 [2021-06-05 10:36:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:15,505 INFO L482 AbstractCegarLoop]: Abstraction has 2983 states and 7675 transitions. [2021-06-05 10:36:15,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 7675 transitions. [2021-06-05 10:36:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:15,508 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:15,508 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:15,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-06-05 10:36:15,508 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 10:36:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:15,508 INFO L82 PathProgramCache]: Analyzing trace with hash -101574123, now seen corresponding path program 116 times [2021-06-05 10:36:15,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:15,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129638519] [2021-06-05 10:36:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:16,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:16,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129638519] [2021-06-05 10:36:16,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129638519] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:16,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:16,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:16,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275397583] [2021-06-05 10:36:16,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:16,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:16,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:16,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:16,131 INFO L87 Difference]: Start difference. First operand 2983 states and 7675 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:17,421 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:36:18,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:18,426 INFO L93 Difference]: Finished difference Result 3263 states and 8232 transitions. [2021-06-05 10:36:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:36:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:18,428 INFO L225 Difference]: With dead ends: 3263 [2021-06-05 10:36:18,428 INFO L226 Difference]: Without dead ends: 3050 [2021-06-05 10:36:18,429 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 2126.1ms TimeCoverageRelationStatistics Valid=477, Invalid=2385, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:36:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2021-06-05 10:36:18,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 2986. [2021-06-05 10:36:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2985 states have (on average 2.5721943048576215) internal successors, (7678), 2985 states have internal predecessors, (7678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 7678 transitions. [2021-06-05 10:36:18,460 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 7678 transitions. Word has length 119 [2021-06-05 10:36:18,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:18,460 INFO L482 AbstractCegarLoop]: Abstraction has 2986 states and 7678 transitions. [2021-06-05 10:36:18,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 7678 transitions. [2021-06-05 10:36:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:18,462 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:18,462 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] [2021-06-05 10:36:18,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-06-05 10:36:18,463 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 10:36:18,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:18,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1878277681, now seen corresponding path program 117 times [2021-06-05 10:36:18,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:18,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556727060] [2021-06-05 10:36:18,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:19,097 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 10:36:19,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:19,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556727060] [2021-06-05 10:36:19,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556727060] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:19,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:19,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:19,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924635442] [2021-06-05 10:36:19,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:19,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:19,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:19,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:19,099 INFO L87 Difference]: Start difference. First operand 2986 states and 7678 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:21,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:21,424 INFO L93 Difference]: Finished difference Result 3345 states and 8401 transitions. [2021-06-05 10:36:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:36:21,424 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:21,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:21,427 INFO L225 Difference]: With dead ends: 3345 [2021-06-05 10:36:21,427 INFO L226 Difference]: Without dead ends: 3097 [2021-06-05 10:36:21,427 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 2069.5ms TimeCoverageRelationStatistics Valid=446, Invalid=2310, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:36:21,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2021-06-05 10:36:21,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2967. [2021-06-05 10:36:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2966 states have (on average 2.5755225893459204) internal successors, (7639), 2966 states have internal predecessors, (7639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 7639 transitions. [2021-06-05 10:36:21,459 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 7639 transitions. Word has length 119 [2021-06-05 10:36:21,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:21,459 INFO L482 AbstractCegarLoop]: Abstraction has 2967 states and 7639 transitions. [2021-06-05 10:36:21,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 7639 transitions. [2021-06-05 10:36:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:21,461 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:21,461 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:21,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-06-05 10:36:21,461 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 10:36:21,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:21,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1919322589, now seen corresponding path program 118 times [2021-06-05 10:36:21,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:21,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048855563] [2021-06-05 10:36:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:22,055 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 10:36:22,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:22,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048855563] [2021-06-05 10:36:22,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048855563] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:22,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:22,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:22,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172695120] [2021-06-05 10:36:22,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:22,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:22,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:22,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:22,056 INFO L87 Difference]: Start difference. First operand 2967 states and 7639 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:23,410 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 10:36:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:24,279 INFO L93 Difference]: Finished difference Result 3244 states and 8181 transitions. [2021-06-05 10:36:24,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:36:24,279 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:24,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:24,282 INFO L225 Difference]: With dead ends: 3244 [2021-06-05 10:36:24,282 INFO L226 Difference]: Without dead ends: 3015 [2021-06-05 10:36:24,282 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 1902.6ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:36:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2021-06-05 10:36:24,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 2961. [2021-06-05 10:36:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2960 states have (on average 2.5763513513513514) internal successors, (7626), 2960 states have internal predecessors, (7626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 7626 transitions. [2021-06-05 10:36:24,315 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 7626 transitions. Word has length 119 [2021-06-05 10:36:24,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:24,315 INFO L482 AbstractCegarLoop]: Abstraction has 2961 states and 7626 transitions. [2021-06-05 10:36:24,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 7626 transitions. [2021-06-05 10:36:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:24,317 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:24,317 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:24,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-06-05 10:36:24,318 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 10:36:24,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:24,318 INFO L82 PathProgramCache]: Analyzing trace with hash -309055921, now seen corresponding path program 119 times [2021-06-05 10:36:24,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:24,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7717221] [2021-06-05 10:36:24,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:24,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:24,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7717221] [2021-06-05 10:36:24,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7717221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:24,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:24,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:24,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339212794] [2021-06-05 10:36:24,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:24,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:24,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:24,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:24,937 INFO L87 Difference]: Start difference. First operand 2961 states and 7626 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:26,129 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-06-05 10:36:26,341 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-06-05 10:36:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:27,228 INFO L93 Difference]: Finished difference Result 3213 states and 8115 transitions. [2021-06-05 10:36:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:36:27,228 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:27,231 INFO L225 Difference]: With dead ends: 3213 [2021-06-05 10:36:27,231 INFO L226 Difference]: Without dead ends: 2990 [2021-06-05 10:36:27,231 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 2014.8ms TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:36:27,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2021-06-05 10:36:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2938. [2021-06-05 10:36:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2937 states have (on average 2.5757575757575757) internal successors, (7565), 2937 states have internal predecessors, (7565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 7565 transitions. [2021-06-05 10:36:27,262 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 7565 transitions. Word has length 119 [2021-06-05 10:36:27,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:27,263 INFO L482 AbstractCegarLoop]: Abstraction has 2938 states and 7565 transitions. [2021-06-05 10:36:27,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 7565 transitions. [2021-06-05 10:36:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:27,265 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:27,265 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:27,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-06-05 10:36:27,265 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 10:36:27,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:27,265 INFO L82 PathProgramCache]: Analyzing trace with hash 817352663, now seen corresponding path program 120 times [2021-06-05 10:36:27,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:27,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297583565] [2021-06-05 10:36:27,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:27,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:27,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297583565] [2021-06-05 10:36:27,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297583565] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:27,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:27,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:27,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156663128] [2021-06-05 10:36:27,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:27,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:27,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:27,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:27,875 INFO L87 Difference]: Start difference. First operand 2938 states and 7565 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:29,184 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:36:30,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:30,044 INFO L93 Difference]: Finished difference Result 3203 states and 8089 transitions. [2021-06-05 10:36:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:36:30,045 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:30,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:30,047 INFO L225 Difference]: With dead ends: 3203 [2021-06-05 10:36:30,047 INFO L226 Difference]: Without dead ends: 2977 [2021-06-05 10:36:30,048 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 1920.4ms TimeCoverageRelationStatistics Valid=446, Invalid=2206, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:36:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2021-06-05 10:36:30,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 2939. [2021-06-05 10:36:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 2938 states have (on average 2.572498298162015) internal successors, (7558), 2938 states have internal predecessors, (7558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 7558 transitions. [2021-06-05 10:36:30,078 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 7558 transitions. Word has length 119 [2021-06-05 10:36:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:30,078 INFO L482 AbstractCegarLoop]: Abstraction has 2939 states and 7558 transitions. [2021-06-05 10:36:30,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 7558 transitions. [2021-06-05 10:36:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:30,081 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:30,081 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:30,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-06-05 10:36:30,081 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 10:36:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash 160653421, now seen corresponding path program 121 times [2021-06-05 10:36:30,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:30,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662925925] [2021-06-05 10:36:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:30,676 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 10:36:30,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:30,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662925925] [2021-06-05 10:36:30,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662925925] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:30,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:30,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:30,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488011668] [2021-06-05 10:36:30,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:30,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:30,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:30,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:30,678 INFO L87 Difference]: Start difference. First operand 2939 states and 7558 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:32,935 INFO L93 Difference]: Finished difference Result 3282 states and 8239 transitions. [2021-06-05 10:36:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:36:32,935 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:32,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:32,938 INFO L225 Difference]: With dead ends: 3282 [2021-06-05 10:36:32,938 INFO L226 Difference]: Without dead ends: 3048 [2021-06-05 10:36:32,938 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1953.3ms TimeCoverageRelationStatistics Valid=451, Invalid=2305, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:36:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2021-06-05 10:36:32,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2937. [2021-06-05 10:36:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2936 states have (on average 2.5705040871934606) internal successors, (7547), 2936 states have internal predecessors, (7547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 7547 transitions. [2021-06-05 10:36:32,969 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 7547 transitions. Word has length 119 [2021-06-05 10:36:32,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:32,969 INFO L482 AbstractCegarLoop]: Abstraction has 2937 states and 7547 transitions. [2021-06-05 10:36:32,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 7547 transitions. [2021-06-05 10:36:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:32,971 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:32,971 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:32,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-06-05 10:36:32,971 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 10:36:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:32,971 INFO L82 PathProgramCache]: Analyzing trace with hash -253114975, now seen corresponding path program 122 times [2021-06-05 10:36:32,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:32,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958206666] [2021-06-05 10:36:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:33,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:33,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958206666] [2021-06-05 10:36:33,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958206666] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:33,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:33,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:33,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107866344] [2021-06-05 10:36:33,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:33,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:33,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:33,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:33,614 INFO L87 Difference]: Start difference. First operand 2937 states and 7547 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:34,975 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 10:36:35,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:35,887 INFO L93 Difference]: Finished difference Result 3149 states and 7950 transitions. [2021-06-05 10:36:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:36:35,887 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:35,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:35,890 INFO L225 Difference]: With dead ends: 3149 [2021-06-05 10:36:35,890 INFO L226 Difference]: Without dead ends: 2826 [2021-06-05 10:36:35,890 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 2044.5ms TimeCoverageRelationStatistics Valid=444, Invalid=2208, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:36:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2021-06-05 10:36:35,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2794. [2021-06-05 10:36:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2793 states have (on average 2.594343000358038) internal successors, (7246), 2793 states have internal predecessors, (7246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 7246 transitions. [2021-06-05 10:36:35,919 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 7246 transitions. Word has length 119 [2021-06-05 10:36:35,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:35,920 INFO L482 AbstractCegarLoop]: Abstraction has 2794 states and 7246 transitions. [2021-06-05 10:36:35,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 7246 transitions. [2021-06-05 10:36:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:35,922 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:35,922 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:35,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-06-05 10:36:35,922 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 10:36:35,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:35,922 INFO L82 PathProgramCache]: Analyzing trace with hash 832131385, now seen corresponding path program 123 times [2021-06-05 10:36:35,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:35,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677973720] [2021-06-05 10:36:35,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:36,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:36,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677973720] [2021-06-05 10:36:36,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677973720] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:36,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:36,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:36:36,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269793493] [2021-06-05 10:36:36,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:36:36,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:36,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:36:36,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:36:36,109 INFO L87 Difference]: Start difference. First operand 2794 states and 7246 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:36,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:36,389 INFO L93 Difference]: Finished difference Result 3481 states and 8729 transitions. [2021-06-05 10:36:36,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:36:36,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:36,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:36,392 INFO L225 Difference]: With dead ends: 3481 [2021-06-05 10:36:36,392 INFO L226 Difference]: Without dead ends: 3481 [2021-06-05 10:36:36,393 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 271.5ms TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:36:36,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2021-06-05 10:36:36,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 2850. [2021-06-05 10:36:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2849 states have (on average 2.5805545805545806) internal successors, (7352), 2849 states have internal predecessors, (7352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 7352 transitions. [2021-06-05 10:36:36,427 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 7352 transitions. Word has length 119 [2021-06-05 10:36:36,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:36,427 INFO L482 AbstractCegarLoop]: Abstraction has 2850 states and 7352 transitions. [2021-06-05 10:36:36,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 7352 transitions. [2021-06-05 10:36:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:36,429 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:36,429 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:36,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-06-05 10:36:36,429 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 10:36:36,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:36,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1749086267, now seen corresponding path program 124 times [2021-06-05 10:36:36,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:36,430 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896340020] [2021-06-05 10:36:36,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:37,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:37,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896340020] [2021-06-05 10:36:37,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896340020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:37,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:37,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:37,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82352409] [2021-06-05 10:36:37,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:37,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:37,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:37,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:37,026 INFO L87 Difference]: Start difference. First operand 2850 states and 7352 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:40,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:40,041 INFO L93 Difference]: Finished difference Result 4555 states and 11592 transitions. [2021-06-05 10:36:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:36:40,041 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:40,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:40,044 INFO L225 Difference]: With dead ends: 4555 [2021-06-05 10:36:40,044 INFO L226 Difference]: Without dead ends: 4360 [2021-06-05 10:36:40,045 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2501.0ms TimeCoverageRelationStatistics Valid=575, Invalid=2965, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:36:40,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4360 states. [2021-06-05 10:36:40,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4360 to 3366. [2021-06-05 10:36:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3365 states have (on average 2.613372956909361) internal successors, (8794), 3365 states have internal predecessors, (8794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 8794 transitions. [2021-06-05 10:36:40,084 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 8794 transitions. Word has length 119 [2021-06-05 10:36:40,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:40,084 INFO L482 AbstractCegarLoop]: Abstraction has 3366 states and 8794 transitions. [2021-06-05 10:36:40,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 8794 transitions. [2021-06-05 10:36:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:40,087 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:40,087 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:40,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-06-05 10:36:40,087 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 10:36:40,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:40,088 INFO L82 PathProgramCache]: Analyzing trace with hash -90610915, now seen corresponding path program 4 times [2021-06-05 10:36:40,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:40,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338881058] [2021-06-05 10:36:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:40,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:40,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338881058] [2021-06-05 10:36:40,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338881058] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:40,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:40,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 10:36:40,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406961202] [2021-06-05 10:36:40,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 10:36:40,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:40,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 10:36:40,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-06-05 10:36:40,538 INFO L87 Difference]: Start difference. First operand 3366 states and 8794 transitions. Second operand has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 22 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:42,520 INFO L93 Difference]: Finished difference Result 3704 states and 9432 transitions. [2021-06-05 10:36:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:36:42,521 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 22 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:42,524 INFO L225 Difference]: With dead ends: 3704 [2021-06-05 10:36:42,524 INFO L226 Difference]: Without dead ends: 3623 [2021-06-05 10:36:42,524 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 1495.6ms TimeCoverageRelationStatistics Valid=736, Invalid=2344, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:36:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2021-06-05 10:36:42,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 3351. [2021-06-05 10:36:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3351 states, 3350 states have (on average 2.6292537313432836) internal successors, (8808), 3350 states have internal predecessors, (8808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 3351 states and 8808 transitions. [2021-06-05 10:36:42,561 INFO L78 Accepts]: Start accepts. Automaton has 3351 states and 8808 transitions. Word has length 119 [2021-06-05 10:36:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:42,562 INFO L482 AbstractCegarLoop]: Abstraction has 3351 states and 8808 transitions. [2021-06-05 10:36:42,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 22 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3351 states and 8808 transitions. [2021-06-05 10:36:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:42,564 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:42,565 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:42,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-06-05 10:36:42,565 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 10:36:42,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:42,565 INFO L82 PathProgramCache]: Analyzing trace with hash -2143741377, now seen corresponding path program 125 times [2021-06-05 10:36:42,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:42,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512110828] [2021-06-05 10:36:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:43,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:43,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512110828] [2021-06-05 10:36:43,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512110828] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:43,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:43,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:43,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529074089] [2021-06-05 10:36:43,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:43,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:43,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:43,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:43,220 INFO L87 Difference]: Start difference. First operand 3351 states and 8808 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:46,141 INFO L93 Difference]: Finished difference Result 4631 states and 12019 transitions. [2021-06-05 10:36:46,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:36:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:46,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:46,145 INFO L225 Difference]: With dead ends: 4631 [2021-06-05 10:36:46,146 INFO L226 Difference]: Without dead ends: 4240 [2021-06-05 10:36:46,146 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 2521.7ms TimeCoverageRelationStatistics Valid=618, Invalid=2922, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:36:46,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2021-06-05 10:36:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 3411. [2021-06-05 10:36:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 3410 states have (on average 2.6146627565982405) internal successors, (8916), 3410 states have internal predecessors, (8916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 8916 transitions. [2021-06-05 10:36:46,185 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 8916 transitions. Word has length 119 [2021-06-05 10:36:46,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:46,186 INFO L482 AbstractCegarLoop]: Abstraction has 3411 states and 8916 transitions. [2021-06-05 10:36:46,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 8916 transitions. [2021-06-05 10:36:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:46,188 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:46,189 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:46,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-06-05 10:36:46,189 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 10:36:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:46,189 INFO L82 PathProgramCache]: Analyzing trace with hash -935316013, now seen corresponding path program 126 times [2021-06-05 10:36:46,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:46,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373188753] [2021-06-05 10:36:46,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:46,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:46,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373188753] [2021-06-05 10:36:46,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373188753] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:46,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:46,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:46,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434798980] [2021-06-05 10:36:46,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:46,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:46,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:46,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:46,786 INFO L87 Difference]: Start difference. First operand 3411 states and 8916 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:49,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:49,844 INFO L93 Difference]: Finished difference Result 4346 states and 11212 transitions. [2021-06-05 10:36:49,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:36:49,845 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:49,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:49,848 INFO L225 Difference]: With dead ends: 4346 [2021-06-05 10:36:49,848 INFO L226 Difference]: Without dead ends: 3916 [2021-06-05 10:36:49,849 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 2682.9ms TimeCoverageRelationStatistics Valid=639, Invalid=3143, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 10:36:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2021-06-05 10:36:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3087. [2021-06-05 10:36:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 3086 states have (on average 2.6085547634478288) internal successors, (8050), 3086 states have internal predecessors, (8050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 8050 transitions. [2021-06-05 10:36:49,894 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 8050 transitions. Word has length 119 [2021-06-05 10:36:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:49,894 INFO L482 AbstractCegarLoop]: Abstraction has 3087 states and 8050 transitions. [2021-06-05 10:36:49,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 8050 transitions. [2021-06-05 10:36:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:49,897 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:49,897 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:49,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-06-05 10:36:49,897 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 10:36:49,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:49,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1756421371, now seen corresponding path program 127 times [2021-06-05 10:36:49,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:49,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548800919] [2021-06-05 10:36:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:36:50,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:50,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548800919] [2021-06-05 10:36:50,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548800919] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:50,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:50,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:50,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559140978] [2021-06-05 10:36:50,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:50,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:50,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:50,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:50,480 INFO L87 Difference]: Start difference. First operand 3087 states and 8050 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:51,965 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:36:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:53,408 INFO L93 Difference]: Finished difference Result 3683 states and 9433 transitions. [2021-06-05 10:36:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:36:53,409 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:53,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:53,411 INFO L225 Difference]: With dead ends: 3683 [2021-06-05 10:36:53,412 INFO L226 Difference]: Without dead ends: 3499 [2021-06-05 10:36:53,412 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 2540.6ms TimeCoverageRelationStatistics Valid=628, Invalid=2912, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:36:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3499 states. [2021-06-05 10:36:53,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3499 to 3083. [2021-06-05 10:36:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 3082 states have (on average 2.6080467229072033) internal successors, (8038), 3082 states have internal predecessors, (8038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 8038 transitions. [2021-06-05 10:36:53,444 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 8038 transitions. Word has length 119 [2021-06-05 10:36:53,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:53,444 INFO L482 AbstractCegarLoop]: Abstraction has 3083 states and 8038 transitions. [2021-06-05 10:36:53,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 8038 transitions. [2021-06-05 10:36:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:53,447 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:53,447 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, 1, 1, 1, 1, 1] [2021-06-05 10:36:53,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-06-05 10:36:53,447 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 10:36:53,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:53,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1834230611, now seen corresponding path program 128 times [2021-06-05 10:36:53,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:53,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346953107] [2021-06-05 10:36:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:54,041 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 10:36:54,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:54,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346953107] [2021-06-05 10:36:54,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346953107] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:54,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:54,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:54,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64305877] [2021-06-05 10:36:54,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:54,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:54,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:54,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:54,042 INFO L87 Difference]: Start difference. First operand 3083 states and 8038 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:55,439 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:36:56,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:56,795 INFO L93 Difference]: Finished difference Result 3561 states and 9084 transitions. [2021-06-05 10:36:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:36:56,796 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:56,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:36:56,799 INFO L225 Difference]: With dead ends: 3561 [2021-06-05 10:36:56,799 INFO L226 Difference]: Without dead ends: 3347 [2021-06-05 10:36:56,799 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 2404.1ms TimeCoverageRelationStatistics Valid=601, Invalid=2821, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:36:56,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2021-06-05 10:36:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 3079. [2021-06-05 10:36:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 3078 states have (on average 2.6062378167641325) internal successors, (8022), 3078 states have internal predecessors, (8022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 8022 transitions. [2021-06-05 10:36:56,833 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 8022 transitions. Word has length 119 [2021-06-05 10:36:56,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:36:56,833 INFO L482 AbstractCegarLoop]: Abstraction has 3079 states and 8022 transitions. [2021-06-05 10:36:56,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 8022 transitions. [2021-06-05 10:36:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:36:56,836 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:36:56,836 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:36:56,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-06-05 10:36:56,836 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 10:36:56,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:36:56,836 INFO L82 PathProgramCache]: Analyzing trace with hash -667295235, now seen corresponding path program 129 times [2021-06-05 10:36:56,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:36:56,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643912450] [2021-06-05 10:36:56,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:36:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:36:57,422 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 10:36:57,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:36:57,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643912450] [2021-06-05 10:36:57,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643912450] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:36:57,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:36:57,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:36:57,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677797244] [2021-06-05 10:36:57,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:36:57,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:36:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:36:57,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:36:57,424 INFO L87 Difference]: Start difference. First operand 3079 states and 8022 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:36:59,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:36:59,997 INFO L93 Difference]: Finished difference Result 3687 states and 9494 transitions. [2021-06-05 10:36:59,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:36:59,997 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:36:59,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:00,001 INFO L225 Difference]: With dead ends: 3687 [2021-06-05 10:37:00,001 INFO L226 Difference]: Without dead ends: 3557 [2021-06-05 10:37:00,001 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 2194.9ms TimeCoverageRelationStatistics Valid=487, Invalid=2483, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:37:00,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2021-06-05 10:37:00,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3247. [2021-06-05 10:37:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3247 states, 3246 states have (on average 2.6001232285890326) internal successors, (8440), 3246 states have internal predecessors, (8440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 8440 transitions. [2021-06-05 10:37:00,037 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 8440 transitions. Word has length 119 [2021-06-05 10:37:00,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:00,037 INFO L482 AbstractCegarLoop]: Abstraction has 3247 states and 8440 transitions. [2021-06-05 10:37:00,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 8440 transitions. [2021-06-05 10:37:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:00,040 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:00,040 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:00,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-06-05 10:37:00,040 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 10:37:00,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:00,040 INFO L82 PathProgramCache]: Analyzing trace with hash -265155583, now seen corresponding path program 130 times [2021-06-05 10:37:00,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:00,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030778186] [2021-06-05 10:37:00,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:00,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:00,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030778186] [2021-06-05 10:37:00,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030778186] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:00,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:00,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:00,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331024] [2021-06-05 10:37:00,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:00,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:00,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:00,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:00,639 INFO L87 Difference]: Start difference. First operand 3247 states and 8440 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:03,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:03,126 INFO L93 Difference]: Finished difference Result 3861 states and 9900 transitions. [2021-06-05 10:37:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:37:03,126 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:03,130 INFO L225 Difference]: With dead ends: 3861 [2021-06-05 10:37:03,130 INFO L226 Difference]: Without dead ends: 3610 [2021-06-05 10:37:03,130 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2190.4ms TimeCoverageRelationStatistics Valid=518, Invalid=2562, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:37:03,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2021-06-05 10:37:03,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3283. [2021-06-05 10:37:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3282 states have (on average 2.5898842169408898) internal successors, (8500), 3282 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 10:37:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 8500 transitions. [2021-06-05 10:37:03,188 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 8500 transitions. Word has length 119 [2021-06-05 10:37:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:03,188 INFO L482 AbstractCegarLoop]: Abstraction has 3283 states and 8500 transitions. [2021-06-05 10:37:03,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 8500 transitions. [2021-06-05 10:37:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:03,190 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:03,191 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:03,191 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-06-05 10:37:03,191 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 10:37:03,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:03,191 INFO L82 PathProgramCache]: Analyzing trace with hash 943269781, now seen corresponding path program 131 times [2021-06-05 10:37:03,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:03,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093707213] [2021-06-05 10:37:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:03,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:03,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093707213] [2021-06-05 10:37:03,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093707213] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:03,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:03,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:03,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853291987] [2021-06-05 10:37:03,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:03,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:03,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:03,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:03,802 INFO L87 Difference]: Start difference. First operand 3283 states and 8500 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:06,455 INFO L93 Difference]: Finished difference Result 3692 states and 9443 transitions. [2021-06-05 10:37:06,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:37:06,456 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:06,459 INFO L225 Difference]: With dead ends: 3692 [2021-06-05 10:37:06,459 INFO L226 Difference]: Without dead ends: 3406 [2021-06-05 10:37:06,459 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2369.3ms TimeCoverageRelationStatistics Valid=520, Invalid=2672, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:37:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2021-06-05 10:37:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3079. [2021-06-05 10:37:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 3078 states have (on average 2.6023391812865495) internal successors, (8010), 3078 states have internal predecessors, (8010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:06,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 8010 transitions. [2021-06-05 10:37:06,494 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 8010 transitions. Word has length 119 [2021-06-05 10:37:06,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:06,494 INFO L482 AbstractCegarLoop]: Abstraction has 3079 states and 8010 transitions. [2021-06-05 10:37:06,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 8010 transitions. [2021-06-05 10:37:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:06,497 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:06,497 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, 1, 1, 1, 1, 1] [2021-06-05 10:37:06,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-06-05 10:37:06,497 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 10:37:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:06,498 INFO L82 PathProgramCache]: Analyzing trace with hash -659960131, now seen corresponding path program 132 times [2021-06-05 10:37:06,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:06,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263983770] [2021-06-05 10:37:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:07,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:07,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263983770] [2021-06-05 10:37:07,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263983770] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:07,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:07,147 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:07,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794573376] [2021-06-05 10:37:07,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:07,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:07,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:07,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:07,148 INFO L87 Difference]: Start difference. First operand 3079 states and 8010 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:08,781 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-05 10:37:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:09,745 INFO L93 Difference]: Finished difference Result 3437 states and 8851 transitions. [2021-06-05 10:37:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:37:09,745 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:09,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:09,748 INFO L225 Difference]: With dead ends: 3437 [2021-06-05 10:37:09,748 INFO L226 Difference]: Without dead ends: 3293 [2021-06-05 10:37:09,748 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 2350.5ms TimeCoverageRelationStatistics Valid=503, Invalid=2467, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:37:09,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2021-06-05 10:37:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 3067. [2021-06-05 10:37:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 3066 states have (on average 2.604696673189824) internal successors, (7986), 3066 states have internal predecessors, (7986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 7986 transitions. [2021-06-05 10:37:09,780 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 7986 transitions. Word has length 119 [2021-06-05 10:37:09,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:09,780 INFO L482 AbstractCegarLoop]: Abstraction has 3067 states and 7986 transitions. [2021-06-05 10:37:09,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 7986 transitions. [2021-06-05 10:37:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:09,783 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:09,783 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:09,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-06-05 10:37:09,783 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 10:37:09,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:09,783 INFO L82 PathProgramCache]: Analyzing trace with hash -562381799, now seen corresponding path program 133 times [2021-06-05 10:37:09,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:09,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335277646] [2021-06-05 10:37:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:10,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:10,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335277646] [2021-06-05 10:37:10,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335277646] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:10,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:10,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:10,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295285584] [2021-06-05 10:37:10,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:10,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:10,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:10,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:10,369 INFO L87 Difference]: Start difference. First operand 3067 states and 7986 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:12,900 INFO L93 Difference]: Finished difference Result 4134 states and 10644 transitions. [2021-06-05 10:37:12,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:37:12,900 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:12,904 INFO L225 Difference]: With dead ends: 4134 [2021-06-05 10:37:12,904 INFO L226 Difference]: Without dead ends: 4004 [2021-06-05 10:37:12,905 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 2091.6ms TimeCoverageRelationStatistics Valid=477, Invalid=2493, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:37:12,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2021-06-05 10:37:12,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3211. [2021-06-05 10:37:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3211 states, 3210 states have (on average 2.6031152647975078) internal successors, (8356), 3210 states have internal predecessors, (8356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 3211 states and 8356 transitions. [2021-06-05 10:37:12,942 INFO L78 Accepts]: Start accepts. Automaton has 3211 states and 8356 transitions. Word has length 119 [2021-06-05 10:37:12,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:12,942 INFO L482 AbstractCegarLoop]: Abstraction has 3211 states and 8356 transitions. [2021-06-05 10:37:12,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 8356 transitions. [2021-06-05 10:37:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:12,945 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:12,945 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:12,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-06-05 10:37:12,945 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 10:37:12,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:12,945 INFO L82 PathProgramCache]: Analyzing trace with hash -160242147, now seen corresponding path program 134 times [2021-06-05 10:37:12,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:12,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810605758] [2021-06-05 10:37:12,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:13,546 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 10:37:13,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:13,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810605758] [2021-06-05 10:37:13,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810605758] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:13,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:13,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:13,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159841372] [2021-06-05 10:37:13,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:13,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:13,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:13,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:13,547 INFO L87 Difference]: Start difference. First operand 3211 states and 8356 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:16,117 INFO L93 Difference]: Finished difference Result 4308 states and 11050 transitions. [2021-06-05 10:37:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:37:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:16,121 INFO L225 Difference]: With dead ends: 4308 [2021-06-05 10:37:16,122 INFO L226 Difference]: Without dead ends: 4057 [2021-06-05 10:37:16,122 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2219.8ms TimeCoverageRelationStatistics Valid=505, Invalid=2575, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:37:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2021-06-05 10:37:16,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 3247. [2021-06-05 10:37:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3247 states, 3246 states have (on average 2.592729513247073) internal successors, (8416), 3246 states have internal predecessors, (8416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 8416 transitions. [2021-06-05 10:37:16,160 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 8416 transitions. Word has length 119 [2021-06-05 10:37:16,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:16,160 INFO L482 AbstractCegarLoop]: Abstraction has 3247 states and 8416 transitions. [2021-06-05 10:37:16,160 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 8416 transitions. [2021-06-05 10:37:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:16,163 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:16,163 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:16,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-06-05 10:37:16,163 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 10:37:16,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:16,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1048183217, now seen corresponding path program 135 times [2021-06-05 10:37:16,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:16,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492896565] [2021-06-05 10:37:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:16,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:16,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492896565] [2021-06-05 10:37:16,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492896565] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:16,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:16,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:16,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33533317] [2021-06-05 10:37:16,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:16,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:16,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:16,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:16,782 INFO L87 Difference]: Start difference. First operand 3247 states and 8416 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:19,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:19,518 INFO L93 Difference]: Finished difference Result 4139 states and 10593 transitions. [2021-06-05 10:37:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:37:19,518 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:19,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:19,521 INFO L225 Difference]: With dead ends: 4139 [2021-06-05 10:37:19,521 INFO L226 Difference]: Without dead ends: 3853 [2021-06-05 10:37:19,522 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 2334.4ms TimeCoverageRelationStatistics Valid=509, Invalid=2683, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:37:19,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2021-06-05 10:37:19,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3043. [2021-06-05 10:37:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 3042 states have (on average 2.58974358974359) internal successors, (7878), 3042 states have internal predecessors, (7878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 7878 transitions. [2021-06-05 10:37:19,553 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 7878 transitions. Word has length 119 [2021-06-05 10:37:19,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:19,554 INFO L482 AbstractCegarLoop]: Abstraction has 3043 states and 7878 transitions. [2021-06-05 10:37:19,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 7878 transitions. [2021-06-05 10:37:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:19,556 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:19,556 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:19,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-06-05 10:37:19,556 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 10:37:19,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:19,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1028140911, now seen corresponding path program 136 times [2021-06-05 10:37:19,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:19,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895632619] [2021-06-05 10:37:19,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:20,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:20,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895632619] [2021-06-05 10:37:20,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895632619] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:20,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:20,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:20,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972446258] [2021-06-05 10:37:20,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:20,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:20,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:20,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:20,142 INFO L87 Difference]: Start difference. First operand 3043 states and 7878 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:22,840 INFO L93 Difference]: Finished difference Result 4063 states and 10313 transitions. [2021-06-05 10:37:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:37:22,840 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:22,843 INFO L225 Difference]: With dead ends: 4063 [2021-06-05 10:37:22,843 INFO L226 Difference]: Without dead ends: 3858 [2021-06-05 10:37:22,844 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 2303.3ms TimeCoverageRelationStatistics Valid=520, Invalid=2786, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:37:22,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2021-06-05 10:37:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 2983. [2021-06-05 10:37:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 2.601609657947686) internal successors, (7758), 2982 states have internal predecessors, (7758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 7758 transitions. [2021-06-05 10:37:22,878 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 7758 transitions. Word has length 119 [2021-06-05 10:37:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:22,878 INFO L482 AbstractCegarLoop]: Abstraction has 2983 states and 7758 transitions. [2021-06-05 10:37:22,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 7758 transitions. [2021-06-05 10:37:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:22,880 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:22,880 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:22,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-06-05 10:37:22,881 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 10:37:22,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:22,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1908947921, now seen corresponding path program 137 times [2021-06-05 10:37:22,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:22,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713904513] [2021-06-05 10:37:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:23,484 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 10:37:23,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:23,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713904513] [2021-06-05 10:37:23,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713904513] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:23,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:23,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:23,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817575363] [2021-06-05 10:37:23,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:23,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:23,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:23,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:23,485 INFO L87 Difference]: Start difference. First operand 2983 states and 7758 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:24,781 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2021-06-05 10:37:24,905 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-05 10:37:25,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:25,937 INFO L93 Difference]: Finished difference Result 3389 states and 8711 transitions. [2021-06-05 10:37:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:37:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:25,941 INFO L225 Difference]: With dead ends: 3389 [2021-06-05 10:37:25,941 INFO L226 Difference]: Without dead ends: 3257 [2021-06-05 10:37:25,941 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 2185.2ms TimeCoverageRelationStatistics Valid=503, Invalid=2467, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:37:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2021-06-05 10:37:25,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 2985. [2021-06-05 10:37:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2985 states, 2984 states have (on average 2.6008713136729225) internal successors, (7761), 2984 states have internal predecessors, (7761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 7761 transitions. [2021-06-05 10:37:25,972 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 7761 transitions. Word has length 119 [2021-06-05 10:37:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:25,972 INFO L482 AbstractCegarLoop]: Abstraction has 2985 states and 7761 transitions. [2021-06-05 10:37:25,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 7761 transitions. [2021-06-05 10:37:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:25,974 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:25,974 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:25,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-06-05 10:37:25,974 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 10:37:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:25,975 INFO L82 PathProgramCache]: Analyzing trace with hash 242127883, now seen corresponding path program 138 times [2021-06-05 10:37:25,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:25,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357445711] [2021-06-05 10:37:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:26,580 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 10:37:26,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:26,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357445711] [2021-06-05 10:37:26,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357445711] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:26,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:26,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:26,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068039364] [2021-06-05 10:37:26,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:26,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:26,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:26,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:26,581 INFO L87 Difference]: Start difference. First operand 2985 states and 7761 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:29,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:29,185 INFO L93 Difference]: Finished difference Result 3566 states and 9064 transitions. [2021-06-05 10:37:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:37:29,185 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:29,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:29,188 INFO L225 Difference]: With dead ends: 3566 [2021-06-05 10:37:29,189 INFO L226 Difference]: Without dead ends: 3407 [2021-06-05 10:37:29,189 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 2304.1ms TimeCoverageRelationStatistics Valid=559, Invalid=2747, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:37:29,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2021-06-05 10:37:29,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 2971. [2021-06-05 10:37:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2970 states have (on average 2.604040404040404) internal successors, (7734), 2970 states have internal predecessors, (7734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 7734 transitions. [2021-06-05 10:37:29,221 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 7734 transitions. Word has length 119 [2021-06-05 10:37:29,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:29,222 INFO L482 AbstractCegarLoop]: Abstraction has 2971 states and 7734 transitions. [2021-06-05 10:37:29,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 7734 transitions. [2021-06-05 10:37:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:29,224 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:29,224 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:29,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-06-05 10:37:29,224 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 10:37:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1898146437, now seen corresponding path program 139 times [2021-06-05 10:37:29,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:29,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926529348] [2021-06-05 10:37:29,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:29,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:29,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926529348] [2021-06-05 10:37:29,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926529348] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:29,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:29,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:29,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635347430] [2021-06-05 10:37:29,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:29,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:29,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:29,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:29,831 INFO L87 Difference]: Start difference. First operand 2971 states and 7734 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:31,161 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:37:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:32,500 INFO L93 Difference]: Finished difference Result 3377 states and 8570 transitions. [2021-06-05 10:37:32,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:37:32,501 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:32,504 INFO L225 Difference]: With dead ends: 3377 [2021-06-05 10:37:32,504 INFO L226 Difference]: Without dead ends: 3199 [2021-06-05 10:37:32,504 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 2384.3ms TimeCoverageRelationStatistics Valid=601, Invalid=2821, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:37:32,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2021-06-05 10:37:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 2979. [2021-06-05 10:37:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2978 states have (on average 2.6017461383478846) internal successors, (7748), 2978 states have internal predecessors, (7748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 7748 transitions. [2021-06-05 10:37:32,538 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 7748 transitions. Word has length 119 [2021-06-05 10:37:32,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:32,538 INFO L482 AbstractCegarLoop]: Abstraction has 2979 states and 7748 transitions. [2021-06-05 10:37:32,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 7748 transitions. [2021-06-05 10:37:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:32,540 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:32,540 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, 1, 1, 1, 1, 1] [2021-06-05 10:37:32,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-06-05 10:37:32,540 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 10:37:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:32,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1378785667, now seen corresponding path program 140 times [2021-06-05 10:37:32,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:32,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953543726] [2021-06-05 10:37:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:33,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:33,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953543726] [2021-06-05 10:37:33,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953543726] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:33,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:33,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:33,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659101474] [2021-06-05 10:37:33,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:33,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:33,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:33,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:33,186 INFO L87 Difference]: Start difference. First operand 2979 states and 7748 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:34,495 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:37:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:35,537 INFO L93 Difference]: Finished difference Result 3203 states and 8200 transitions. [2021-06-05 10:37:35,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:37:35,537 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:35,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:35,539 INFO L225 Difference]: With dead ends: 3203 [2021-06-05 10:37:35,539 INFO L226 Difference]: Without dead ends: 3071 [2021-06-05 10:37:35,540 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2118.0ms TimeCoverageRelationStatistics Valid=481, Invalid=2381, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:37:35,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2021-06-05 10:37:35,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 2981. [2021-06-05 10:37:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 2980 states have (on average 2.6010067114093958) internal successors, (7751), 2980 states have internal predecessors, (7751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 7751 transitions. [2021-06-05 10:37:35,568 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 7751 transitions. Word has length 119 [2021-06-05 10:37:35,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:35,569 INFO L482 AbstractCegarLoop]: Abstraction has 2981 states and 7751 transitions. [2021-06-05 10:37:35,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 7751 transitions. [2021-06-05 10:37:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:35,571 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:35,571 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:35,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-06-05 10:37:35,571 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 10:37:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash 601066137, now seen corresponding path program 141 times [2021-06-05 10:37:35,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:35,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297424544] [2021-06-05 10:37:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:36,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:36,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297424544] [2021-06-05 10:37:36,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297424544] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:36,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:36,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:36,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748755785] [2021-06-05 10:37:36,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:36,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:36,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:36,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:36,229 INFO L87 Difference]: Start difference. First operand 2981 states and 7751 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:37,438 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2021-06-05 10:37:38,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:38,861 INFO L93 Difference]: Finished difference Result 3370 states and 8528 transitions. [2021-06-05 10:37:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:37:38,862 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:38,864 INFO L225 Difference]: With dead ends: 3370 [2021-06-05 10:37:38,864 INFO L226 Difference]: Without dead ends: 3181 [2021-06-05 10:37:38,864 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 2390.1ms TimeCoverageRelationStatistics Valid=536, Invalid=2656, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:37:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2021-06-05 10:37:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 2937. [2021-06-05 10:37:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2936 states have (on average 2.6106948228882834) internal successors, (7665), 2936 states have internal predecessors, (7665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 7665 transitions. [2021-06-05 10:37:38,893 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 7665 transitions. Word has length 119 [2021-06-05 10:37:38,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:38,893 INFO L482 AbstractCegarLoop]: Abstraction has 2937 states and 7665 transitions. [2021-06-05 10:37:38,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 7665 transitions. [2021-06-05 10:37:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:38,896 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:38,896 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:38,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-06-05 10:37:38,896 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 10:37:38,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:38,896 INFO L82 PathProgramCache]: Analyzing trace with hash 811371103, now seen corresponding path program 142 times [2021-06-05 10:37:38,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:38,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383553883] [2021-06-05 10:37:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:39,138 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 10:37:39,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:39,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383553883] [2021-06-05 10:37:39,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383553883] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:39,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:39,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:37:39,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735912196] [2021-06-05 10:37:39,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:37:39,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:37:39,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:37:39,139 INFO L87 Difference]: Start difference. First operand 2937 states and 7665 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:39,602 INFO L93 Difference]: Finished difference Result 3503 states and 8715 transitions. [2021-06-05 10:37:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:37:39,603 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:39,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:39,606 INFO L225 Difference]: With dead ends: 3503 [2021-06-05 10:37:39,606 INFO L226 Difference]: Without dead ends: 3447 [2021-06-05 10:37:39,606 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 389.6ms TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:37:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2021-06-05 10:37:39,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2749. [2021-06-05 10:37:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2748 states have (on average 2.5782387190684135) internal successors, (7085), 2748 states have internal predecessors, (7085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 7085 transitions. [2021-06-05 10:37:39,636 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 7085 transitions. Word has length 119 [2021-06-05 10:37:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:39,637 INFO L482 AbstractCegarLoop]: Abstraction has 2749 states and 7085 transitions. [2021-06-05 10:37:39,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 7085 transitions. [2021-06-05 10:37:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:39,639 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:39,639 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:39,639 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-06-05 10:37:39,639 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 10:37:39,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:39,639 INFO L82 PathProgramCache]: Analyzing trace with hash 239606275, now seen corresponding path program 143 times [2021-06-05 10:37:39,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:39,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421523121] [2021-06-05 10:37:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:40,290 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 10:37:40,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:40,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421523121] [2021-06-05 10:37:40,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421523121] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:40,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:40,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:40,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901327348] [2021-06-05 10:37:40,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:40,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:40,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:40,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:40,291 INFO L87 Difference]: Start difference. First operand 2749 states and 7085 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:42,426 INFO L93 Difference]: Finished difference Result 2870 states and 7294 transitions. [2021-06-05 10:37:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:37:42,427 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:42,429 INFO L225 Difference]: With dead ends: 2870 [2021-06-05 10:37:42,429 INFO L226 Difference]: Without dead ends: 2765 [2021-06-05 10:37:42,429 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1965.0ms TimeCoverageRelationStatistics Valid=450, Invalid=2202, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:37:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2021-06-05 10:37:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2749. [2021-06-05 10:37:42,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2748 states have (on average 2.576783114992722) internal successors, (7081), 2748 states have internal predecessors, (7081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 7081 transitions. [2021-06-05 10:37:42,459 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 7081 transitions. Word has length 119 [2021-06-05 10:37:42,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:42,459 INFO L482 AbstractCegarLoop]: Abstraction has 2749 states and 7081 transitions. [2021-06-05 10:37:42,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 7081 transitions. [2021-06-05 10:37:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:42,461 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:42,461 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, 1, 1, 1, 1, 1] [2021-06-05 10:37:42,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-06-05 10:37:42,461 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 10:37:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:42,462 INFO L82 PathProgramCache]: Analyzing trace with hash 235188135, now seen corresponding path program 144 times [2021-06-05 10:37:42,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:42,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512681533] [2021-06-05 10:37:42,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:43,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:43,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512681533] [2021-06-05 10:37:43,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512681533] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:43,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:43,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:43,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205593028] [2021-06-05 10:37:43,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:43,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:43,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:43,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:43,081 INFO L87 Difference]: Start difference. First operand 2749 states and 7081 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:45,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:45,357 INFO L93 Difference]: Finished difference Result 3076 states and 7832 transitions. [2021-06-05 10:37:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:37:45,358 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:45,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:45,360 INFO L225 Difference]: With dead ends: 3076 [2021-06-05 10:37:45,360 INFO L226 Difference]: Without dead ends: 2981 [2021-06-05 10:37:45,361 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 2007.0ms TimeCoverageRelationStatistics Valid=452, Invalid=2304, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:37:45,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2021-06-05 10:37:45,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2893. [2021-06-05 10:37:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2892 states have (on average 2.576417704011065) internal successors, (7451), 2892 states have internal predecessors, (7451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 7451 transitions. [2021-06-05 10:37:45,391 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 7451 transitions. Word has length 119 [2021-06-05 10:37:45,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:45,391 INFO L482 AbstractCegarLoop]: Abstraction has 2893 states and 7451 transitions. [2021-06-05 10:37:45,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 7451 transitions. [2021-06-05 10:37:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:45,394 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:45,394 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, 1, 1, 1, 1, 1] [2021-06-05 10:37:45,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-06-05 10:37:45,394 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 10:37:45,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:45,394 INFO L82 PathProgramCache]: Analyzing trace with hash -239518167, now seen corresponding path program 145 times [2021-06-05 10:37:45,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:45,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239385872] [2021-06-05 10:37:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:46,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:46,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239385872] [2021-06-05 10:37:46,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239385872] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:46,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:46,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:46,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801349792] [2021-06-05 10:37:46,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:46,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:46,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:46,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:46,010 INFO L87 Difference]: Start difference. First operand 2893 states and 7451 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:48,444 INFO L93 Difference]: Finished difference Result 3299 states and 8335 transitions. [2021-06-05 10:37:48,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:37:48,444 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:48,446 INFO L225 Difference]: With dead ends: 3299 [2021-06-05 10:37:48,447 INFO L226 Difference]: Without dead ends: 2804 [2021-06-05 10:37:48,447 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 2141.1ms TimeCoverageRelationStatistics Valid=502, Invalid=2578, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:37:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-06-05 10:37:48,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2725. [2021-06-05 10:37:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2724 states have (on average 2.577459618208517) internal successors, (7021), 2724 states have internal predecessors, (7021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 7021 transitions. [2021-06-05 10:37:48,477 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 7021 transitions. Word has length 119 [2021-06-05 10:37:48,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:48,477 INFO L482 AbstractCegarLoop]: Abstraction has 2725 states and 7021 transitions. [2021-06-05 10:37:48,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 7021 transitions. [2021-06-05 10:37:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:48,479 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:48,479 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:48,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-06-05 10:37:48,479 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 10:37:48,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:48,480 INFO L82 PathProgramCache]: Analyzing trace with hash -683582829, now seen corresponding path program 146 times [2021-06-05 10:37:48,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:48,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933672008] [2021-06-05 10:37:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:49,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:49,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933672008] [2021-06-05 10:37:49,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933672008] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:49,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:49,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:49,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429851383] [2021-06-05 10:37:49,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:49,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:49,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:49,102 INFO L87 Difference]: Start difference. First operand 2725 states and 7021 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:50,503 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-06-05 10:37:51,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:51,374 INFO L93 Difference]: Finished difference Result 2837 states and 7216 transitions. [2021-06-05 10:37:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:37:51,374 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:51,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:51,376 INFO L225 Difference]: With dead ends: 2837 [2021-06-05 10:37:51,376 INFO L226 Difference]: Without dead ends: 2680 [2021-06-05 10:37:51,376 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 2046.7ms TimeCoverageRelationStatistics Valid=464, Invalid=2292, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:37:51,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2021-06-05 10:37:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2665. [2021-06-05 10:37:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2665 states, 2664 states have (on average 2.591966966966967) internal successors, (6905), 2664 states have internal predecessors, (6905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 6905 transitions. [2021-06-05 10:37:51,401 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 6905 transitions. Word has length 119 [2021-06-05 10:37:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:51,401 INFO L482 AbstractCegarLoop]: Abstraction has 2665 states and 6905 transitions. [2021-06-05 10:37:51,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 6905 transitions. [2021-06-05 10:37:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:51,403 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:51,403 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:51,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-06-05 10:37:51,403 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 10:37:51,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:51,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1038992181, now seen corresponding path program 147 times [2021-06-05 10:37:51,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:51,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015732118] [2021-06-05 10:37:51,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:51,995 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 10:37:51,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:51,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015732118] [2021-06-05 10:37:51,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015732118] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:51,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:51,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:51,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215968077] [2021-06-05 10:37:51,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:51,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:51,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:51,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:51,996 INFO L87 Difference]: Start difference. First operand 2665 states and 6905 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:54,186 INFO L93 Difference]: Finished difference Result 2810 states and 7181 transitions. [2021-06-05 10:37:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:37:54,186 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:54,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:54,188 INFO L225 Difference]: With dead ends: 2810 [2021-06-05 10:37:54,188 INFO L226 Difference]: Without dead ends: 2691 [2021-06-05 10:37:54,188 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1906.9ms TimeCoverageRelationStatistics Valid=450, Invalid=2202, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:37:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2021-06-05 10:37:54,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2649. [2021-06-05 10:37:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2649 states, 2648 states have (on average 2.596299093655589) internal successors, (6875), 2648 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 6875 transitions. [2021-06-05 10:37:54,213 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 6875 transitions. Word has length 119 [2021-06-05 10:37:54,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:54,214 INFO L482 AbstractCegarLoop]: Abstraction has 2649 states and 6875 transitions. [2021-06-05 10:37:54,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 6875 transitions. [2021-06-05 10:37:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:54,216 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:54,216 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:37:54,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-06-05 10:37:54,216 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 10:37:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:54,216 INFO L82 PathProgramCache]: Analyzing trace with hash 2077494909, now seen corresponding path program 148 times [2021-06-05 10:37:54,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:54,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918317823] [2021-06-05 10:37:54,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:54,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:54,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918317823] [2021-06-05 10:37:54,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918317823] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:54,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:54,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:37:54,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383314020] [2021-06-05 10:37:54,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:37:54,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:54,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:37:54,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:37:54,393 INFO L87 Difference]: Start difference. First operand 2649 states and 6875 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:54,646 INFO L93 Difference]: Finished difference Result 5195 states and 13221 transitions. [2021-06-05 10:37:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:37:54,646 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:54,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:54,651 INFO L225 Difference]: With dead ends: 5195 [2021-06-05 10:37:54,651 INFO L226 Difference]: Without dead ends: 5195 [2021-06-05 10:37:54,651 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 238.5ms TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:37:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2021-06-05 10:37:54,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 2819. [2021-06-05 10:37:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2818 states have (on average 2.5691980127750176) internal successors, (7240), 2818 states have internal predecessors, (7240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 7240 transitions. [2021-06-05 10:37:54,689 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 7240 transitions. Word has length 119 [2021-06-05 10:37:54,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:54,689 INFO L482 AbstractCegarLoop]: Abstraction has 2819 states and 7240 transitions. [2021-06-05 10:37:54,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 7240 transitions. [2021-06-05 10:37:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:54,692 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:54,692 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, 1, 1, 1, 1, 1] [2021-06-05 10:37:54,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-06-05 10:37:54,692 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 10:37:54,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:54,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1300517505, now seen corresponding path program 149 times [2021-06-05 10:37:54,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:54,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544879240] [2021-06-05 10:37:54,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:55,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:55,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544879240] [2021-06-05 10:37:55,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544879240] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:55,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:55,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:55,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436002743] [2021-06-05 10:37:55,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:55,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:55,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:55,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:55,288 INFO L87 Difference]: Start difference. First operand 2819 states and 7240 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:56,177 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2021-06-05 10:37:56,402 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2021-06-05 10:37:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:37:58,179 INFO L93 Difference]: Finished difference Result 4283 states and 10970 transitions. [2021-06-05 10:37:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:37:58,180 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:37:58,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:37:58,183 INFO L225 Difference]: With dead ends: 4283 [2021-06-05 10:37:58,184 INFO L226 Difference]: Without dead ends: 4117 [2021-06-05 10:37:58,184 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2433.1ms TimeCoverageRelationStatistics Valid=575, Invalid=2965, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:37:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4117 states. [2021-06-05 10:37:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4117 to 3251. [2021-06-05 10:37:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3250 states have (on average 2.6055384615384614) internal successors, (8468), 3250 states have internal predecessors, (8468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 8468 transitions. [2021-06-05 10:37:58,222 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 8468 transitions. Word has length 119 [2021-06-05 10:37:58,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:37:58,222 INFO L482 AbstractCegarLoop]: Abstraction has 3251 states and 8468 transitions. [2021-06-05 10:37:58,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:37:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 8468 transitions. [2021-06-05 10:37:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:37:58,225 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:37:58,225 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, 1, 1, 1, 1, 1] [2021-06-05 10:37:58,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-06-05 10:37:58,226 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 10:37:58,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:37:58,226 INFO L82 PathProgramCache]: Analyzing trace with hash -898377853, now seen corresponding path program 150 times [2021-06-05 10:37:58,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:37:58,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459664744] [2021-06-05 10:37:58,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:37:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:37:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:37:58,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:37:58,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459664744] [2021-06-05 10:37:58,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459664744] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:37:58,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:37:58,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:37:58,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419952637] [2021-06-05 10:37:58,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:37:58,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:37:58,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:37:58,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:37:58,859 INFO L87 Difference]: Start difference. First operand 3251 states and 8468 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:01,760 INFO L93 Difference]: Finished difference Result 4555 states and 11728 transitions. [2021-06-05 10:38:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:38:01,761 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:01,763 INFO L225 Difference]: With dead ends: 4555 [2021-06-05 10:38:01,763 INFO L226 Difference]: Without dead ends: 4164 [2021-06-05 10:38:01,764 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 2541.6ms TimeCoverageRelationStatistics Valid=618, Invalid=2922, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:38:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2021-06-05 10:38:01,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 3311. [2021-06-05 10:38:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3310 states have (on average 2.5909365558912385) internal successors, (8576), 3310 states have internal predecessors, (8576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 8576 transitions. [2021-06-05 10:38:01,799 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 8576 transitions. Word has length 119 [2021-06-05 10:38:01,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:01,799 INFO L482 AbstractCegarLoop]: Abstraction has 3311 states and 8576 transitions. [2021-06-05 10:38:01,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 8576 transitions. [2021-06-05 10:38:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:01,801 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:01,802 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:01,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-06-05 10:38:01,802 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 10:38:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:01,802 INFO L82 PathProgramCache]: Analyzing trace with hash 310047511, now seen corresponding path program 151 times [2021-06-05 10:38:01,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:01,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318437872] [2021-06-05 10:38:01,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:02,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:02,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318437872] [2021-06-05 10:38:02,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318437872] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:02,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:02,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:02,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373766660] [2021-06-05 10:38:02,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:02,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:02,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:02,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:02,403 INFO L87 Difference]: Start difference. First operand 3311 states and 8576 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:05,303 INFO L93 Difference]: Finished difference Result 4270 states and 10921 transitions. [2021-06-05 10:38:05,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:38:05,304 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:05,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:05,307 INFO L225 Difference]: With dead ends: 4270 [2021-06-05 10:38:05,307 INFO L226 Difference]: Without dead ends: 3864 [2021-06-05 10:38:05,307 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 2578.8ms TimeCoverageRelationStatistics Valid=639, Invalid=3143, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 10:38:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2021-06-05 10:38:05,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 3011. [2021-06-05 10:38:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 3010 states have (on average 2.5887043189368772) internal successors, (7792), 3010 states have internal predecessors, (7792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 7792 transitions. [2021-06-05 10:38:05,340 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 7792 transitions. Word has length 119 [2021-06-05 10:38:05,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:05,340 INFO L482 AbstractCegarLoop]: Abstraction has 3011 states and 7792 transitions. [2021-06-05 10:38:05,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 7792 transitions. [2021-06-05 10:38:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:05,342 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:05,342 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:05,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-06-05 10:38:05,342 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 10:38:05,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:05,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1293182401, now seen corresponding path program 152 times [2021-06-05 10:38:05,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:05,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568984706] [2021-06-05 10:38:05,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:05,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:05,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568984706] [2021-06-05 10:38:05,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568984706] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:05,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:05,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:05,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910572142] [2021-06-05 10:38:05,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:05,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:05,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:05,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:05,949 INFO L87 Difference]: Start difference. First operand 3011 states and 7792 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:07,449 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 10:38:08,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:08,900 INFO L93 Difference]: Finished difference Result 3627 states and 9214 transitions. [2021-06-05 10:38:08,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:38:08,900 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:08,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:08,904 INFO L225 Difference]: With dead ends: 3627 [2021-06-05 10:38:08,904 INFO L226 Difference]: Without dead ends: 3447 [2021-06-05 10:38:08,904 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 2547.1ms TimeCoverageRelationStatistics Valid=628, Invalid=2912, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:38:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2021-06-05 10:38:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3005. [2021-06-05 10:38:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 3004 states have (on average 2.5888814913448734) internal successors, (7777), 3004 states have internal predecessors, (7777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 7777 transitions. [2021-06-05 10:38:08,938 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 7777 transitions. Word has length 119 [2021-06-05 10:38:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:08,938 INFO L482 AbstractCegarLoop]: Abstraction has 3005 states and 7777 transitions. [2021-06-05 10:38:08,938 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 7777 transitions. [2021-06-05 10:38:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:08,941 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:08,941 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:08,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-06-05 10:38:08,941 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 10:38:08,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:08,941 INFO L82 PathProgramCache]: Analyzing trace with hash -588867087, now seen corresponding path program 153 times [2021-06-05 10:38:08,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:08,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311805599] [2021-06-05 10:38:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:09,662 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 10:38:09,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:09,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311805599] [2021-06-05 10:38:09,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311805599] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:09,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:09,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:09,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529399212] [2021-06-05 10:38:09,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:09,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:09,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:09,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:09,663 INFO L87 Difference]: Start difference. First operand 3005 states and 7777 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:11,053 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:38:12,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:12,387 INFO L93 Difference]: Finished difference Result 3507 states and 8864 transitions. [2021-06-05 10:38:12,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:38:12,388 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:12,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:12,390 INFO L225 Difference]: With dead ends: 3507 [2021-06-05 10:38:12,390 INFO L226 Difference]: Without dead ends: 3297 [2021-06-05 10:38:12,390 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 2463.0ms TimeCoverageRelationStatistics Valid=601, Invalid=2821, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:38:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3297 states. [2021-06-05 10:38:12,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3297 to 2995. [2021-06-05 10:38:12,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2994 states have (on average 2.594522378089512) internal successors, (7768), 2994 states have internal predecessors, (7768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 7768 transitions. [2021-06-05 10:38:12,421 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 7768 transitions. Word has length 119 [2021-06-05 10:38:12,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:12,421 INFO L482 AbstractCegarLoop]: Abstraction has 2995 states and 7768 transitions. [2021-06-05 10:38:12,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:12,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 7768 transitions. [2021-06-05 10:38:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:12,423 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:12,423 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] [2021-06-05 10:38:12,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-06-05 10:38:12,423 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 10:38:12,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:12,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1214591945, now seen corresponding path program 154 times [2021-06-05 10:38:12,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:12,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46818649] [2021-06-05 10:38:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:13,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:13,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46818649] [2021-06-05 10:38:13,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46818649] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:13,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:13,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:13,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718041872] [2021-06-05 10:38:13,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:13,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:13,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:13,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:13,072 INFO L87 Difference]: Start difference. First operand 2995 states and 7768 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:15,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:15,806 INFO L93 Difference]: Finished difference Result 3451 states and 8756 transitions. [2021-06-05 10:38:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:38:15,806 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:15,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:15,809 INFO L225 Difference]: With dead ends: 3451 [2021-06-05 10:38:15,809 INFO L226 Difference]: Without dead ends: 3296 [2021-06-05 10:38:15,809 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 2398.8ms TimeCoverageRelationStatistics Valid=604, Invalid=2818, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:38:15,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2021-06-05 10:38:15,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3001. [2021-06-05 10:38:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 3000 states have (on average 2.591) internal successors, (7773), 3000 states have internal predecessors, (7773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 7773 transitions. [2021-06-05 10:38:15,839 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 7773 transitions. Word has length 119 [2021-06-05 10:38:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:15,839 INFO L482 AbstractCegarLoop]: Abstraction has 3001 states and 7773 transitions. [2021-06-05 10:38:15,839 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 7773 transitions. [2021-06-05 10:38:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:15,841 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:15,841 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:15,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-06-05 10:38:15,842 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 10:38:15,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:15,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1210173805, now seen corresponding path program 155 times [2021-06-05 10:38:15,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:15,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397775086] [2021-06-05 10:38:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:16,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:16,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397775086] [2021-06-05 10:38:16,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397775086] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:16,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:16,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:16,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438996971] [2021-06-05 10:38:16,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:16,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:16,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:16,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:16,443 INFO L87 Difference]: Start difference. First operand 3001 states and 7773 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:19,390 INFO L93 Difference]: Finished difference Result 4347 states and 11130 transitions. [2021-06-05 10:38:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:38:19,391 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:19,394 INFO L225 Difference]: With dead ends: 4347 [2021-06-05 10:38:19,395 INFO L226 Difference]: Without dead ends: 4202 [2021-06-05 10:38:19,395 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 2439.0ms TimeCoverageRelationStatistics Valid=579, Invalid=2961, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:38:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4202 states. [2021-06-05 10:38:19,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4202 to 3289. [2021-06-05 10:38:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3289 states, 3288 states have (on average 2.605535279805353) internal successors, (8567), 3288 states have internal predecessors, (8567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 8567 transitions. [2021-06-05 10:38:19,433 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 8567 transitions. Word has length 119 [2021-06-05 10:38:19,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:19,433 INFO L482 AbstractCegarLoop]: Abstraction has 3289 states and 8567 transitions. [2021-06-05 10:38:19,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 8567 transitions. [2021-06-05 10:38:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:19,436 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:19,436 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:19,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-06-05 10:38:19,436 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 10:38:19,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:19,436 INFO L82 PathProgramCache]: Analyzing trace with hash 735467503, now seen corresponding path program 156 times [2021-06-05 10:38:19,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:19,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895841253] [2021-06-05 10:38:19,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:20,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:20,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895841253] [2021-06-05 10:38:20,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895841253] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:20,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:20,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:20,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831125979] [2021-06-05 10:38:20,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:20,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:20,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:20,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:20,030 INFO L87 Difference]: Start difference. First operand 3289 states and 8567 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:23,046 INFO L93 Difference]: Finished difference Result 4682 states and 12014 transitions. [2021-06-05 10:38:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 10:38:23,047 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:23,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:23,051 INFO L225 Difference]: With dead ends: 4682 [2021-06-05 10:38:23,051 INFO L226 Difference]: Without dead ends: 3900 [2021-06-05 10:38:23,051 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 2649.7ms TimeCoverageRelationStatistics Valid=655, Invalid=3251, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 10:38:23,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2021-06-05 10:38:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3025. [2021-06-05 10:38:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 3024 states have (on average 2.5823412698412698) internal successors, (7809), 3024 states have internal predecessors, (7809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 7809 transitions. [2021-06-05 10:38:23,095 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 7809 transitions. Word has length 119 [2021-06-05 10:38:23,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:23,095 INFO L482 AbstractCegarLoop]: Abstraction has 3025 states and 7809 transitions. [2021-06-05 10:38:23,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 7809 transitions. [2021-06-05 10:38:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:23,098 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:23,098 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:23,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-06-05 10:38:23,098 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 10:38:23,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:23,098 INFO L82 PathProgramCache]: Analyzing trace with hash 291402841, now seen corresponding path program 157 times [2021-06-05 10:38:23,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:23,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069426045] [2021-06-05 10:38:23,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:23,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:23,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069426045] [2021-06-05 10:38:23,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069426045] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:23,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:23,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:23,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877005911] [2021-06-05 10:38:23,703 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:23,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:23,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:23,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:23,704 INFO L87 Difference]: Start difference. First operand 3025 states and 7809 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:24,754 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:38:25,140 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 10:38:26,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:26,493 INFO L93 Difference]: Finished difference Result 3661 states and 9292 transitions. [2021-06-05 10:38:26,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:38:26,493 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:26,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:26,496 INFO L225 Difference]: With dead ends: 3661 [2021-06-05 10:38:26,496 INFO L226 Difference]: Without dead ends: 3454 [2021-06-05 10:38:26,496 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 2483.5ms TimeCoverageRelationStatistics Valid=628, Invalid=2912, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:38:26,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2021-06-05 10:38:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 2965. [2021-06-05 10:38:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2964 states have (on average 2.5954790823211877) internal successors, (7693), 2964 states have internal predecessors, (7693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 7693 transitions. [2021-06-05 10:38:26,527 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 7693 transitions. Word has length 119 [2021-06-05 10:38:26,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:26,527 INFO L482 AbstractCegarLoop]: Abstraction has 2965 states and 7693 transitions. [2021-06-05 10:38:26,527 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 7693 transitions. [2021-06-05 10:38:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:26,529 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:26,529 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:26,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-06-05 10:38:26,529 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 10:38:26,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:26,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1535248097, now seen corresponding path program 158 times [2021-06-05 10:38:26,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:26,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940013409] [2021-06-05 10:38:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:26,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:26,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940013409] [2021-06-05 10:38:26,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940013409] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:26,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:26,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:38:26,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109334332] [2021-06-05 10:38:26,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:38:26,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:26,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:38:26,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:38:26,761 INFO L87 Difference]: Start difference. First operand 2965 states and 7693 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:27,218 INFO L93 Difference]: Finished difference Result 3573 states and 8938 transitions. [2021-06-05 10:38:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:38:27,218 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:27,222 INFO L225 Difference]: With dead ends: 3573 [2021-06-05 10:38:27,222 INFO L226 Difference]: Without dead ends: 3517 [2021-06-05 10:38:27,222 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 403.4ms TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:38:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2021-06-05 10:38:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 2775. [2021-06-05 10:38:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2774 states have (on average 2.5847152126892574) internal successors, (7170), 2774 states have internal predecessors, (7170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 7170 transitions. [2021-06-05 10:38:27,253 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 7170 transitions. Word has length 119 [2021-06-05 10:38:27,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:27,253 INFO L482 AbstractCegarLoop]: Abstraction has 2775 states and 7170 transitions. [2021-06-05 10:38:27,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 7170 transitions. [2021-06-05 10:38:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:27,255 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:27,255 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:27,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-06-05 10:38:27,256 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 10:38:27,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:27,256 INFO L82 PathProgramCache]: Analyzing trace with hash -290631401, now seen corresponding path program 159 times [2021-06-05 10:38:27,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:27,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15338311] [2021-06-05 10:38:27,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:27,863 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 10:38:27,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:27,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15338311] [2021-06-05 10:38:27,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15338311] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:27,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:27,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:27,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868808994] [2021-06-05 10:38:27,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:27,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:27,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:27,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:27,864 INFO L87 Difference]: Start difference. First operand 2775 states and 7170 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:29,284 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:38:30,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:30,128 INFO L93 Difference]: Finished difference Result 2918 states and 7427 transitions. [2021-06-05 10:38:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:38:30,128 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:30,131 INFO L225 Difference]: With dead ends: 2918 [2021-06-05 10:38:30,131 INFO L226 Difference]: Without dead ends: 2815 [2021-06-05 10:38:30,131 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1956.1ms TimeCoverageRelationStatistics Valid=450, Invalid=2202, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:38:30,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2021-06-05 10:38:30,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2785. [2021-06-05 10:38:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 2784 states have (on average 2.581537356321839) internal successors, (7187), 2784 states have internal predecessors, (7187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 7187 transitions. [2021-06-05 10:38:30,159 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 7187 transitions. Word has length 119 [2021-06-05 10:38:30,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:30,159 INFO L482 AbstractCegarLoop]: Abstraction has 2785 states and 7187 transitions. [2021-06-05 10:38:30,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:30,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 7187 transitions. [2021-06-05 10:38:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:30,162 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:30,162 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:30,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-06-05 10:38:30,162 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 10:38:30,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:30,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1831846923, now seen corresponding path program 160 times [2021-06-05 10:38:30,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:30,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860893011] [2021-06-05 10:38:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:30,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:30,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860893011] [2021-06-05 10:38:30,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860893011] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:30,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:30,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:30,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105729726] [2021-06-05 10:38:30,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:30,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:30,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:30,766 INFO L87 Difference]: Start difference. First operand 2785 states and 7187 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:33,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:33,066 INFO L93 Difference]: Finished difference Result 2952 states and 7500 transitions. [2021-06-05 10:38:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:38:33,066 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:33,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:33,069 INFO L225 Difference]: With dead ends: 2952 [2021-06-05 10:38:33,069 INFO L226 Difference]: Without dead ends: 2847 [2021-06-05 10:38:33,069 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 2068.6ms TimeCoverageRelationStatistics Valid=452, Invalid=2304, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:38:33,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2021-06-05 10:38:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2787. [2021-06-05 10:38:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2786 states have (on average 2.5807609475951185) internal successors, (7190), 2786 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 7190 transitions. [2021-06-05 10:38:33,097 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 7190 transitions. Word has length 119 [2021-06-05 10:38:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:33,098 INFO L482 AbstractCegarLoop]: Abstraction has 2787 states and 7190 transitions. [2021-06-05 10:38:33,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 7190 transitions. [2021-06-05 10:38:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:33,100 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:33,100 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:33,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-06-05 10:38:33,100 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 10:38:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:33,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1418078527, now seen corresponding path program 161 times [2021-06-05 10:38:33,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:33,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166608120] [2021-06-05 10:38:33,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:33,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:33,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166608120] [2021-06-05 10:38:33,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166608120] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:33,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:33,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:33,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374021031] [2021-06-05 10:38:33,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:33,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:33,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:33,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:33,754 INFO L87 Difference]: Start difference. First operand 2787 states and 7190 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:35,082 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:38:35,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:35,916 INFO L93 Difference]: Finished difference Result 2908 states and 7404 transitions. [2021-06-05 10:38:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:38:35,916 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:35,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:35,919 INFO L225 Difference]: With dead ends: 2908 [2021-06-05 10:38:35,919 INFO L226 Difference]: Without dead ends: 2803 [2021-06-05 10:38:35,919 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1967.8ms TimeCoverageRelationStatistics Valid=451, Invalid=2201, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:38:35,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2021-06-05 10:38:35,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2779. [2021-06-05 10:38:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 2.58207343412527) internal successors, (7173), 2778 states have internal predecessors, (7173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 7173 transitions. [2021-06-05 10:38:35,948 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 7173 transitions. Word has length 119 [2021-06-05 10:38:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:35,948 INFO L482 AbstractCegarLoop]: Abstraction has 2779 states and 7173 transitions. [2021-06-05 10:38:35,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 7173 transitions. [2021-06-05 10:38:35,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:35,950 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:35,950 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:35,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-06-05 10:38:35,950 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 10:38:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:35,950 INFO L82 PathProgramCache]: Analyzing trace with hash -624725047, now seen corresponding path program 162 times [2021-06-05 10:38:35,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:35,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386287922] [2021-06-05 10:38:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:36,530 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 10:38:36,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:36,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386287922] [2021-06-05 10:38:36,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386287922] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:36,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:36,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:36,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140447714] [2021-06-05 10:38:36,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:36,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:36,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:36,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:36,532 INFO L87 Difference]: Start difference. First operand 2779 states and 7173 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:38,817 INFO L93 Difference]: Finished difference Result 3390 states and 8642 transitions. [2021-06-05 10:38:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:38:38,817 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:38,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:38,821 INFO L225 Difference]: With dead ends: 3390 [2021-06-05 10:38:38,821 INFO L226 Difference]: Without dead ends: 3295 [2021-06-05 10:38:38,821 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 2006.2ms TimeCoverageRelationStatistics Valid=464, Invalid=2398, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:38:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3295 states. [2021-06-05 10:38:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3295 to 2983. [2021-06-05 10:38:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 2.5778001341381622) internal successors, (7687), 2982 states have internal predecessors, (7687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 7687 transitions. [2021-06-05 10:38:38,852 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 7687 transitions. Word has length 119 [2021-06-05 10:38:38,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:38,853 INFO L482 AbstractCegarLoop]: Abstraction has 2983 states and 7687 transitions. [2021-06-05 10:38:38,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 7687 transitions. [2021-06-05 10:38:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:38,855 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:38,855 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:38,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-06-05 10:38:38,855 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 10:38:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:38,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1099431349, now seen corresponding path program 163 times [2021-06-05 10:38:38,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:38,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639498683] [2021-06-05 10:38:38,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:39,475 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 10:38:39,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:39,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639498683] [2021-06-05 10:38:39,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639498683] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:39,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:39,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:39,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620885637] [2021-06-05 10:38:39,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:39,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:39,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:39,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:39,476 INFO L87 Difference]: Start difference. First operand 2983 states and 7687 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:42,035 INFO L93 Difference]: Finished difference Result 3613 states and 9145 transitions. [2021-06-05 10:38:42,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:38:42,035 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:42,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:42,038 INFO L225 Difference]: With dead ends: 3613 [2021-06-05 10:38:42,038 INFO L226 Difference]: Without dead ends: 3118 [2021-06-05 10:38:42,038 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 2239.1ms TimeCoverageRelationStatistics Valid=511, Invalid=2681, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:38:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3118 states. [2021-06-05 10:38:42,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3118 to 2815. [2021-06-05 10:38:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2814 states have (on average 2.5618336886993602) internal successors, (7209), 2814 states have internal predecessors, (7209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 7209 transitions. [2021-06-05 10:38:42,065 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 7209 transitions. Word has length 119 [2021-06-05 10:38:42,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:42,065 INFO L482 AbstractCegarLoop]: Abstraction has 2815 states and 7209 transitions. [2021-06-05 10:38:42,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 7209 transitions. [2021-06-05 10:38:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:42,067 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:42,067 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:42,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-06-05 10:38:42,067 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 10:38:42,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:42,068 INFO L82 PathProgramCache]: Analyzing trace with hash 135546217, now seen corresponding path program 164 times [2021-06-05 10:38:42,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:42,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463364250] [2021-06-05 10:38:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:42,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:42,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463364250] [2021-06-05 10:38:42,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463364250] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:42,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:42,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:42,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306435826] [2021-06-05 10:38:42,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:42,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:42,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:42,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:42,628 INFO L87 Difference]: Start difference. First operand 2815 states and 7209 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:44,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:44,928 INFO L93 Difference]: Finished difference Result 3190 states and 8064 transitions. [2021-06-05 10:38:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:38:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:44,930 INFO L225 Difference]: With dead ends: 3190 [2021-06-05 10:38:44,930 INFO L226 Difference]: Without dead ends: 3025 [2021-06-05 10:38:44,931 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 2035.0ms TimeCoverageRelationStatistics Valid=464, Invalid=2398, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:38:44,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3025 states. [2021-06-05 10:38:44,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3025 to 2755. [2021-06-05 10:38:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2754 states have (on average 2.574074074074074) internal successors, (7089), 2754 states have internal predecessors, (7089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 7089 transitions. [2021-06-05 10:38:44,958 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 7089 transitions. Word has length 119 [2021-06-05 10:38:44,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:44,958 INFO L482 AbstractCegarLoop]: Abstraction has 2755 states and 7089 transitions. [2021-06-05 10:38:44,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 7089 transitions. [2021-06-05 10:38:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:44,961 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:44,961 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:44,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-06-05 10:38:44,961 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 10:38:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:44,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1175804925, now seen corresponding path program 165 times [2021-06-05 10:38:44,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:44,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733347979] [2021-06-05 10:38:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:45,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:45,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733347979] [2021-06-05 10:38:45,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733347979] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:45,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:45,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:45,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188523011] [2021-06-05 10:38:45,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:45,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:45,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:45,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:45,546 INFO L87 Difference]: Start difference. First operand 2755 states and 7089 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:47,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:47,937 INFO L93 Difference]: Finished difference Result 3092 states and 7859 transitions. [2021-06-05 10:38:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:38:47,937 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:47,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:47,939 INFO L225 Difference]: With dead ends: 3092 [2021-06-05 10:38:47,939 INFO L226 Difference]: Without dead ends: 2997 [2021-06-05 10:38:47,940 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 2149.7ms TimeCoverageRelationStatistics Valid=489, Invalid=2481, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:38:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2021-06-05 10:38:47,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2899. [2021-06-05 10:38:47,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2898 states have (on average 2.5738440303657697) internal successors, (7459), 2898 states have internal predecessors, (7459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 7459 transitions. [2021-06-05 10:38:47,969 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 7459 transitions. Word has length 119 [2021-06-05 10:38:47,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:47,969 INFO L482 AbstractCegarLoop]: Abstraction has 2899 states and 7459 transitions. [2021-06-05 10:38:47,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 7459 transitions. [2021-06-05 10:38:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:47,971 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:47,971 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:47,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-06-05 10:38:47,971 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 10:38:47,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:47,972 INFO L82 PathProgramCache]: Analyzing trace with hash 701098623, now seen corresponding path program 166 times [2021-06-05 10:38:47,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:47,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517258084] [2021-06-05 10:38:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:48,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:48,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517258084] [2021-06-05 10:38:48,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517258084] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:48,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:48,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:48,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360962985] [2021-06-05 10:38:48,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:48,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:48,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:48,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:48,635 INFO L87 Difference]: Start difference. First operand 2899 states and 7459 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:51,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:51,164 INFO L93 Difference]: Finished difference Result 3315 states and 8362 transitions. [2021-06-05 10:38:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:38:51,165 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:51,167 INFO L225 Difference]: With dead ends: 3315 [2021-06-05 10:38:51,167 INFO L226 Difference]: Without dead ends: 2820 [2021-06-05 10:38:51,167 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 2371.4ms TimeCoverageRelationStatistics Valid=536, Invalid=2770, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:38:51,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2021-06-05 10:38:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2731. [2021-06-05 10:38:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 2730 states have (on average 2.574725274725275) internal successors, (7029), 2730 states have internal predecessors, (7029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 7029 transitions. [2021-06-05 10:38:51,195 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 7029 transitions. Word has length 119 [2021-06-05 10:38:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:51,195 INFO L482 AbstractCegarLoop]: Abstraction has 2731 states and 7029 transitions. [2021-06-05 10:38:51,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 7029 transitions. [2021-06-05 10:38:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:51,197 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:51,197 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:51,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-06-05 10:38:51,197 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 10:38:51,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:51,197 INFO L82 PathProgramCache]: Analyzing trace with hash 257033961, now seen corresponding path program 167 times [2021-06-05 10:38:51,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:51,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688081518] [2021-06-05 10:38:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:51,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:51,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688081518] [2021-06-05 10:38:51,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688081518] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:51,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:51,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:51,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504133909] [2021-06-05 10:38:51,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:51,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:51,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:51,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:51,823 INFO L87 Difference]: Start difference. First operand 2731 states and 7029 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:53,185 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 10:38:54,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:54,189 INFO L93 Difference]: Finished difference Result 2850 states and 7238 transitions. [2021-06-05 10:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:38:54,189 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:54,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:54,192 INFO L225 Difference]: With dead ends: 2850 [2021-06-05 10:38:54,192 INFO L226 Difference]: Without dead ends: 2741 [2021-06-05 10:38:54,192 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 2219.0ms TimeCoverageRelationStatistics Valid=484, Invalid=2378, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:38:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2021-06-05 10:38:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2719. [2021-06-05 10:38:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2719 states, 2718 states have (on average 2.577262693156733) internal successors, (7005), 2718 states have internal predecessors, (7005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2719 states and 7005 transitions. [2021-06-05 10:38:54,219 INFO L78 Accepts]: Start accepts. Automaton has 2719 states and 7005 transitions. Word has length 119 [2021-06-05 10:38:54,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:54,220 INFO L482 AbstractCegarLoop]: Abstraction has 2719 states and 7005 transitions. [2021-06-05 10:38:54,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 7005 transitions. [2021-06-05 10:38:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:54,222 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:54,222 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:54,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-06-05 10:38:54,222 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 10:38:54,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:54,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1718417405, now seen corresponding path program 168 times [2021-06-05 10:38:54,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:54,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298443867] [2021-06-05 10:38:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:54,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:54,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298443867] [2021-06-05 10:38:54,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298443867] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:54,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:54,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:54,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752133876] [2021-06-05 10:38:54,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:54,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:54,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:54,798 INFO L87 Difference]: Start difference. First operand 2719 states and 7005 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:57,045 INFO L93 Difference]: Finished difference Result 2880 states and 7307 transitions. [2021-06-05 10:38:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:38:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:57,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:57,048 INFO L225 Difference]: With dead ends: 2880 [2021-06-05 10:38:57,048 INFO L226 Difference]: Without dead ends: 2775 [2021-06-05 10:38:57,048 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 2027.2ms TimeCoverageRelationStatistics Valid=471, Invalid=2391, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:38:57,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2021-06-05 10:38:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2721. [2021-06-05 10:38:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2721 states, 2720 states have (on average 2.5764705882352943) internal successors, (7008), 2720 states have internal predecessors, (7008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 7008 transitions. [2021-06-05 10:38:57,075 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 7008 transitions. Word has length 119 [2021-06-05 10:38:57,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:57,076 INFO L482 AbstractCegarLoop]: Abstraction has 2721 states and 7008 transitions. [2021-06-05 10:38:57,076 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 7008 transitions. [2021-06-05 10:38:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:57,078 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:57,078 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, 1, 1, 1, 1, 1] [2021-06-05 10:38:57,078 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-06-05 10:38:57,078 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 10:38:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:57,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1776499017, now seen corresponding path program 169 times [2021-06-05 10:38:57,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:57,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364456994] [2021-06-05 10:38:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:38:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:38:57,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:38:57,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364456994] [2021-06-05 10:38:57,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364456994] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:38:57,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:38:57,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:38:57,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108991918] [2021-06-05 10:38:57,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:38:57,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:38:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:38:57,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:38:57,715 INFO L87 Difference]: Start difference. First operand 2721 states and 7008 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:58,987 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 10:38:59,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:38:59,913 INFO L93 Difference]: Finished difference Result 2836 states and 7211 transitions. [2021-06-05 10:38:59,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:38:59,914 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:38:59,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:38:59,916 INFO L225 Difference]: With dead ends: 2836 [2021-06-05 10:38:59,916 INFO L226 Difference]: Without dead ends: 2689 [2021-06-05 10:38:59,916 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 2117.9ms TimeCoverageRelationStatistics Valid=466, Invalid=2290, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:38:59,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2021-06-05 10:38:59,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2671. [2021-06-05 10:38:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2671 states, 2670 states have (on average 2.58876404494382) internal successors, (6912), 2670 states have internal predecessors, (6912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 6912 transitions. [2021-06-05 10:38:59,943 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 6912 transitions. Word has length 119 [2021-06-05 10:38:59,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:38:59,943 INFO L482 AbstractCegarLoop]: Abstraction has 2671 states and 6912 transitions. [2021-06-05 10:38:59,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:38:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 6912 transitions. [2021-06-05 10:38:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:38:59,945 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:38:59,945 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:38:59,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-06-05 10:38:59,945 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 10:38:59,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:38:59,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2049675987, now seen corresponding path program 170 times [2021-06-05 10:38:59,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:38:59,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096876001] [2021-06-05 10:38:59,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:38:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:00,572 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 10:39:00,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:00,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096876001] [2021-06-05 10:39:00,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096876001] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:00,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:00,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:00,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793963847] [2021-06-05 10:39:00,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:00,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:00,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:00,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:00,573 INFO L87 Difference]: Start difference. First operand 2671 states and 6912 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:01,845 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:39:02,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:02,686 INFO L93 Difference]: Finished difference Result 2825 states and 7191 transitions. [2021-06-05 10:39:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:39:02,687 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:02,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:02,689 INFO L225 Difference]: With dead ends: 2825 [2021-06-05 10:39:02,689 INFO L226 Difference]: Without dead ends: 2671 [2021-06-05 10:39:02,689 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 2010.9ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:39:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2021-06-05 10:39:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2655. [2021-06-05 10:39:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2655 states, 2654 states have (on average 2.593067068575735) internal successors, (6882), 2654 states have internal predecessors, (6882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 6882 transitions. [2021-06-05 10:39:02,715 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 6882 transitions. Word has length 119 [2021-06-05 10:39:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:02,716 INFO L482 AbstractCegarLoop]: Abstraction has 2655 states and 6882 transitions. [2021-06-05 10:39:02,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 6882 transitions. [2021-06-05 10:39:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:02,718 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:02,718 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:02,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-06-05 10:39:02,718 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 10:39:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash 61417919, now seen corresponding path program 171 times [2021-06-05 10:39:02,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:02,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360190923] [2021-06-05 10:39:02,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:03,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:03,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360190923] [2021-06-05 10:39:03,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360190923] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:03,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:03,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:03,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542355814] [2021-06-05 10:39:03,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:03,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:03,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:03,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:03,340 INFO L87 Difference]: Start difference. First operand 2655 states and 6882 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:04,700 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-06-05 10:39:05,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:05,560 INFO L93 Difference]: Finished difference Result 2903 states and 7378 transitions. [2021-06-05 10:39:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:39:05,560 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:05,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:05,562 INFO L225 Difference]: With dead ends: 2903 [2021-06-05 10:39:05,562 INFO L226 Difference]: Without dead ends: 2765 [2021-06-05 10:39:05,562 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1958.2ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:39:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2021-06-05 10:39:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2667. [2021-06-05 10:39:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2666 states have (on average 2.589647411852963) internal successors, (6904), 2666 states have internal predecessors, (6904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 6904 transitions. [2021-06-05 10:39:05,588 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 6904 transitions. Word has length 119 [2021-06-05 10:39:05,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:05,588 INFO L482 AbstractCegarLoop]: Abstraction has 2667 states and 6904 transitions. [2021-06-05 10:39:05,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 6904 transitions. [2021-06-05 10:39:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:05,590 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:05,590 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:05,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-06-05 10:39:05,590 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 10:39:05,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:05,590 INFO L82 PathProgramCache]: Analyzing trace with hash 580778689, now seen corresponding path program 172 times [2021-06-05 10:39:05,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:05,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469047271] [2021-06-05 10:39:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:06,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:06,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469047271] [2021-06-05 10:39:06,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469047271] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:06,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:06,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:06,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373421599] [2021-06-05 10:39:06,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:06,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:06,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:06,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:06,240 INFO L87 Difference]: Start difference. First operand 2667 states and 6904 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:07,695 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 10:39:08,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:08,752 INFO L93 Difference]: Finished difference Result 2927 states and 7438 transitions. [2021-06-05 10:39:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:39:08,752 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:08,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:08,754 INFO L225 Difference]: With dead ends: 2927 [2021-06-05 10:39:08,754 INFO L226 Difference]: Without dead ends: 2795 [2021-06-05 10:39:08,755 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 2196.3ms TimeCoverageRelationStatistics Valid=481, Invalid=2381, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:39:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2795 states. [2021-06-05 10:39:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2795 to 2669. [2021-06-05 10:39:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2668 states have (on average 2.588830584707646) internal successors, (6907), 2668 states have internal predecessors, (6907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 6907 transitions. [2021-06-05 10:39:08,781 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 6907 transitions. Word has length 119 [2021-06-05 10:39:08,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:08,781 INFO L482 AbstractCegarLoop]: Abstraction has 2669 states and 6907 transitions. [2021-06-05 10:39:08,781 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 6907 transitions. [2021-06-05 10:39:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:08,783 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:08,783 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:08,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-06-05 10:39:08,783 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 10:39:08,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:08,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1734336803, now seen corresponding path program 173 times [2021-06-05 10:39:08,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:08,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518228592] [2021-06-05 10:39:08,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:09,414 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 10:39:09,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:09,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518228592] [2021-06-05 10:39:09,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518228592] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:09,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:09,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:09,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127247673] [2021-06-05 10:39:09,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:09,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:09,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:09,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:09,415 INFO L87 Difference]: Start difference. First operand 2669 states and 6907 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:11,891 INFO L93 Difference]: Finished difference Result 3096 states and 7769 transitions. [2021-06-05 10:39:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 10:39:11,893 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:11,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:11,895 INFO L225 Difference]: With dead ends: 3096 [2021-06-05 10:39:11,895 INFO L226 Difference]: Without dead ends: 2943 [2021-06-05 10:39:11,896 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 2248.9ms TimeCoverageRelationStatistics Valid=536, Invalid=2656, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 10:39:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2021-06-05 10:39:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2661. [2021-06-05 10:39:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2660 states have (on average 2.5913533834586464) internal successors, (6893), 2660 states have internal predecessors, (6893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 6893 transitions. [2021-06-05 10:39:11,922 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 6893 transitions. Word has length 119 [2021-06-05 10:39:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:11,922 INFO L482 AbstractCegarLoop]: Abstraction has 2661 states and 6893 transitions. [2021-06-05 10:39:11,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 6893 transitions. [2021-06-05 10:39:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:11,924 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:11,924 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:11,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-06-05 10:39:11,924 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 10:39:11,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:11,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1693291895, now seen corresponding path program 174 times [2021-06-05 10:39:11,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:11,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812324483] [2021-06-05 10:39:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:12,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:12,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812324483] [2021-06-05 10:39:12,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812324483] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:12,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:12,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:12,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511863739] [2021-06-05 10:39:12,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:12,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:12,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:12,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:12,559 INFO L87 Difference]: Start difference. First operand 2661 states and 6893 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:13,846 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 10:39:14,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:14,652 INFO L93 Difference]: Finished difference Result 2850 states and 7269 transitions. [2021-06-05 10:39:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:39:14,653 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:14,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:14,655 INFO L225 Difference]: With dead ends: 2850 [2021-06-05 10:39:14,655 INFO L226 Difference]: Without dead ends: 2743 [2021-06-05 10:39:14,655 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1953.7ms TimeCoverageRelationStatistics Valid=450, Invalid=2202, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:39:14,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2021-06-05 10:39:14,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2657. [2021-06-05 10:39:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 2656 states have (on average 2.5922439759036147) internal successors, (6885), 2656 states have internal predecessors, (6885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 6885 transitions. [2021-06-05 10:39:14,682 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 6885 transitions. Word has length 119 [2021-06-05 10:39:14,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:14,682 INFO L482 AbstractCegarLoop]: Abstraction has 2657 states and 6885 transitions. [2021-06-05 10:39:14,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 6885 transitions. [2021-06-05 10:39:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:14,684 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:14,684 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:14,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-06-05 10:39:14,684 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 10:39:14,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:14,684 INFO L82 PathProgramCache]: Analyzing trace with hash 373296891, now seen corresponding path program 175 times [2021-06-05 10:39:14,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:14,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356252154] [2021-06-05 10:39:14,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:15,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:15,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356252154] [2021-06-05 10:39:15,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356252154] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:15,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:15,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:15,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936253408] [2021-06-05 10:39:15,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:15,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:15,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:15,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:15,297 INFO L87 Difference]: Start difference. First operand 2657 states and 6885 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:16,407 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 10:39:16,599 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-05 10:39:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:17,479 INFO L93 Difference]: Finished difference Result 2851 states and 7260 transitions. [2021-06-05 10:39:17,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:39:17,479 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:17,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:17,482 INFO L225 Difference]: With dead ends: 2851 [2021-06-05 10:39:17,482 INFO L226 Difference]: Without dead ends: 2713 [2021-06-05 10:39:17,482 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1994.6ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:39:17,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2021-06-05 10:39:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2661. [2021-06-05 10:39:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2660 states have (on average 2.5913533834586464) internal successors, (6893), 2660 states have internal predecessors, (6893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 6893 transitions. [2021-06-05 10:39:17,510 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 6893 transitions. Word has length 119 [2021-06-05 10:39:17,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:17,510 INFO L482 AbstractCegarLoop]: Abstraction has 2661 states and 6893 transitions. [2021-06-05 10:39:17,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 6893 transitions. [2021-06-05 10:39:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:17,512 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:17,513 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:17,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-06-05 10:39:17,513 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 10:39:17,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:17,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1499705475, now seen corresponding path program 176 times [2021-06-05 10:39:17,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:17,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024229979] [2021-06-05 10:39:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:18,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:18,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024229979] [2021-06-05 10:39:18,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024229979] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:18,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:18,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:18,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886182177] [2021-06-05 10:39:18,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:18,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:18,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:18,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:18,147 INFO L87 Difference]: Start difference. First operand 2661 states and 6893 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:19,513 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:39:20,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:20,306 INFO L93 Difference]: Finished difference Result 2810 states and 7179 transitions. [2021-06-05 10:39:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:39:20,306 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:20,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:20,309 INFO L225 Difference]: With dead ends: 2810 [2021-06-05 10:39:20,309 INFO L226 Difference]: Without dead ends: 2705 [2021-06-05 10:39:20,309 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 2012.8ms TimeCoverageRelationStatistics Valid=450, Invalid=2202, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:39:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2021-06-05 10:39:20,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2665. [2021-06-05 10:39:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2665 states, 2664 states have (on average 2.588963963963964) internal successors, (6897), 2664 states have internal predecessors, (6897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 6897 transitions. [2021-06-05 10:39:20,336 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 6897 transitions. Word has length 119 [2021-06-05 10:39:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:20,336 INFO L482 AbstractCegarLoop]: Abstraction has 2665 states and 6897 transitions. [2021-06-05 10:39:20,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 6897 transitions. [2021-06-05 10:39:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:20,338 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:20,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:20,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-06-05 10:39:20,338 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 10:39:20,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:20,338 INFO L82 PathProgramCache]: Analyzing trace with hash 843006233, now seen corresponding path program 177 times [2021-06-05 10:39:20,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:20,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127723712] [2021-06-05 10:39:20,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:20,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:20,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127723712] [2021-06-05 10:39:20,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127723712] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:20,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:20,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:20,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609917826] [2021-06-05 10:39:20,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:20,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:20,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:20,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:20,946 INFO L87 Difference]: Start difference. First operand 2665 states and 6897 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:23,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:23,081 INFO L93 Difference]: Finished difference Result 2844 states and 7250 transitions. [2021-06-05 10:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:39:23,082 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:23,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:23,084 INFO L225 Difference]: With dead ends: 2844 [2021-06-05 10:39:23,084 INFO L226 Difference]: Without dead ends: 2739 [2021-06-05 10:39:23,085 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 1974.9ms TimeCoverageRelationStatistics Valid=455, Invalid=2301, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:39:23,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2021-06-05 10:39:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2667. [2021-06-05 10:39:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2666 states have (on average 2.5881470367591897) internal successors, (6900), 2666 states have internal predecessors, (6900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 6900 transitions. [2021-06-05 10:39:23,111 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 6900 transitions. Word has length 119 [2021-06-05 10:39:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:23,111 INFO L482 AbstractCegarLoop]: Abstraction has 2667 states and 6900 transitions. [2021-06-05 10:39:23,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 6900 transitions. [2021-06-05 10:39:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:23,113 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:23,114 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:23,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-06-05 10:39:23,114 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 10:39:23,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:23,114 INFO L82 PathProgramCache]: Analyzing trace with hash 429237837, now seen corresponding path program 178 times [2021-06-05 10:39:23,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:23,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379194740] [2021-06-05 10:39:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:23,719 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 10:39:23,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:23,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379194740] [2021-06-05 10:39:23,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379194740] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:23,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:23,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:23,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554007028] [2021-06-05 10:39:23,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:23,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:23,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:23,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:23,720 INFO L87 Difference]: Start difference. First operand 2667 states and 6900 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:24,995 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:39:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:25,811 INFO L93 Difference]: Finished difference Result 2800 states and 7154 transitions. [2021-06-05 10:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:39:25,821 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:25,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:25,823 INFO L225 Difference]: With dead ends: 2800 [2021-06-05 10:39:25,823 INFO L226 Difference]: Without dead ends: 2679 [2021-06-05 10:39:25,824 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1918.5ms TimeCoverageRelationStatistics Valid=451, Invalid=2201, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:39:25,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2021-06-05 10:39:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2643. [2021-06-05 10:39:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 2642 states have (on average 2.595760787282362) internal successors, (6858), 2642 states have internal predecessors, (6858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:25,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 6858 transitions. [2021-06-05 10:39:25,851 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 6858 transitions. Word has length 119 [2021-06-05 10:39:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:25,851 INFO L482 AbstractCegarLoop]: Abstraction has 2643 states and 6858 transitions. [2021-06-05 10:39:25,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 6858 transitions. [2021-06-05 10:39:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:25,853 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:25,853 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:25,853 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-06-05 10:39:25,853 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 10:39:25,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:25,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1564224277, now seen corresponding path program 179 times [2021-06-05 10:39:25,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:25,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186082974] [2021-06-05 10:39:25,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:26,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:26,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186082974] [2021-06-05 10:39:26,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186082974] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:26,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:26,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 10:39:26,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653118237] [2021-06-05 10:39:26,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 10:39:26,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:26,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 10:39:26,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:39:26,040 INFO L87 Difference]: Start difference. First operand 2643 states and 6858 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:26,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:26,303 INFO L93 Difference]: Finished difference Result 3437 states and 8645 transitions. [2021-06-05 10:39:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:39:26,303 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:26,306 INFO L225 Difference]: With dead ends: 3437 [2021-06-05 10:39:26,306 INFO L226 Difference]: Without dead ends: 3437 [2021-06-05 10:39:26,306 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 248.7ms TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:39:26,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2021-06-05 10:39:26,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 2701. [2021-06-05 10:39:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2700 states have (on average 2.553703703703704) internal successors, (6895), 2700 states have internal predecessors, (6895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 6895 transitions. [2021-06-05 10:39:26,337 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 6895 transitions. Word has length 119 [2021-06-05 10:39:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:26,337 INFO L482 AbstractCegarLoop]: Abstraction has 2701 states and 6895 transitions. [2021-06-05 10:39:26,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 6895 transitions. [2021-06-05 10:39:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:26,339 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:26,339 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:26,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-06-05 10:39:26,339 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 10:39:26,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:26,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1813788137, now seen corresponding path program 180 times [2021-06-05 10:39:26,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:26,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970438493] [2021-06-05 10:39:26,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:26,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:26,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970438493] [2021-06-05 10:39:26,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970438493] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:26,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:26,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:26,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134132354] [2021-06-05 10:39:26,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:26,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:26,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:26,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:26,932 INFO L87 Difference]: Start difference. First operand 2701 states and 6895 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:27,686 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2021-06-05 10:39:28,062 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2021-06-05 10:39:29,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:29,939 INFO L93 Difference]: Finished difference Result 3527 states and 8819 transitions. [2021-06-05 10:39:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:39:29,939 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:29,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:29,942 INFO L225 Difference]: With dead ends: 3527 [2021-06-05 10:39:29,942 INFO L226 Difference]: Without dead ends: 3361 [2021-06-05 10:39:29,942 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 2645.5ms TimeCoverageRelationStatistics Valid=576, Invalid=2964, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:39:29,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3361 states. [2021-06-05 10:39:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3361 to 2701. [2021-06-05 10:39:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2700 states have (on average 2.5462962962962963) internal successors, (6875), 2700 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 6875 transitions. [2021-06-05 10:39:29,969 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 6875 transitions. Word has length 119 [2021-06-05 10:39:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:29,969 INFO L482 AbstractCegarLoop]: Abstraction has 2701 states and 6875 transitions. [2021-06-05 10:39:29,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 6875 transitions. [2021-06-05 10:39:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:29,971 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:29,971 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:29,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-06-05 10:39:29,971 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 10:39:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:29,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1411648485, now seen corresponding path program 181 times [2021-06-05 10:39:29,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:29,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918789091] [2021-06-05 10:39:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:30,571 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 10:39:30,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:30,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918789091] [2021-06-05 10:39:30,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918789091] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:30,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:30,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:30,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702218490] [2021-06-05 10:39:30,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:30,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:30,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:30,572 INFO L87 Difference]: Start difference. First operand 2701 states and 6875 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:33,344 INFO L93 Difference]: Finished difference Result 3799 states and 9577 transitions. [2021-06-05 10:39:33,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:39:33,345 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:33,348 INFO L225 Difference]: With dead ends: 3799 [2021-06-05 10:39:33,348 INFO L226 Difference]: Without dead ends: 3408 [2021-06-05 10:39:33,348 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 2440.4ms TimeCoverageRelationStatistics Valid=619, Invalid=2921, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:39:33,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2021-06-05 10:39:33,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 2761. [2021-06-05 10:39:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2760 states have (on average 2.530072463768116) internal successors, (6983), 2760 states have internal predecessors, (6983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 6983 transitions. [2021-06-05 10:39:33,378 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 6983 transitions. Word has length 119 [2021-06-05 10:39:33,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:33,378 INFO L482 AbstractCegarLoop]: Abstraction has 2761 states and 6983 transitions. [2021-06-05 10:39:33,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 6983 transitions. [2021-06-05 10:39:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:33,380 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:33,380 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:33,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-06-05 10:39:33,380 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 10:39:33,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:33,381 INFO L82 PathProgramCache]: Analyzing trace with hash -203223121, now seen corresponding path program 182 times [2021-06-05 10:39:33,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:33,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78866065] [2021-06-05 10:39:33,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:33,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:33,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78866065] [2021-06-05 10:39:33,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78866065] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:33,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:33,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:33,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589914443] [2021-06-05 10:39:33,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:33,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:33,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:33,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:33,982 INFO L87 Difference]: Start difference. First operand 2761 states and 6983 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:34,935 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-06-05 10:39:35,190 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 10:39:37,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:37,227 INFO L93 Difference]: Finished difference Result 3514 states and 8770 transitions. [2021-06-05 10:39:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 10:39:37,227 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:37,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:37,230 INFO L225 Difference]: With dead ends: 3514 [2021-06-05 10:39:37,230 INFO L226 Difference]: Without dead ends: 3108 [2021-06-05 10:39:37,231 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 2793.4ms TimeCoverageRelationStatistics Valid=640, Invalid=3142, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 10:39:37,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2021-06-05 10:39:37,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2461. [2021-06-05 10:39:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 2460 states have (on average 2.519918699186992) internal successors, (6199), 2460 states have internal predecessors, (6199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:37,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 6199 transitions. [2021-06-05 10:39:37,258 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 6199 transitions. Word has length 119 [2021-06-05 10:39:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:37,259 INFO L482 AbstractCegarLoop]: Abstraction has 2461 states and 6199 transitions. [2021-06-05 10:39:37,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 6199 transitions. [2021-06-05 10:39:37,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:37,261 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:37,261 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:37,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-06-05 10:39:37,261 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 10:39:37,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:37,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1806453033, now seen corresponding path program 183 times [2021-06-05 10:39:37,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:37,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281249955] [2021-06-05 10:39:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:37,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:37,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281249955] [2021-06-05 10:39:37,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281249955] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:37,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:37,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:37,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033271252] [2021-06-05 10:39:37,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:37,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:37,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:37,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:37,890 INFO L87 Difference]: Start difference. First operand 2461 states and 6199 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:39,359 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 10:39:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:40,795 INFO L93 Difference]: Finished difference Result 2927 states and 7215 transitions. [2021-06-05 10:39:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:39:40,795 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:40,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:40,797 INFO L225 Difference]: With dead ends: 2927 [2021-06-05 10:39:40,797 INFO L226 Difference]: Without dead ends: 2747 [2021-06-05 10:39:40,798 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 2531.6ms TimeCoverageRelationStatistics Valid=629, Invalid=2911, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:39:40,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2021-06-05 10:39:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2455. [2021-06-05 10:39:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 2454 states have (on average 2.519967400162999) internal successors, (6184), 2454 states have internal predecessors, (6184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 6184 transitions. [2021-06-05 10:39:40,820 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 6184 transitions. Word has length 119 [2021-06-05 10:39:40,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:40,820 INFO L482 AbstractCegarLoop]: Abstraction has 2455 states and 6184 transitions. [2021-06-05 10:39:40,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 6184 transitions. [2021-06-05 10:39:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:40,822 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:40,822 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:40,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-06-05 10:39:40,822 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 10:39:40,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:40,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1102137719, now seen corresponding path program 184 times [2021-06-05 10:39:40,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:40,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751936365] [2021-06-05 10:39:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:41,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:41,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751936365] [2021-06-05 10:39:41,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751936365] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:41,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:41,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:41,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242096910] [2021-06-05 10:39:41,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:41,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:41,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:41,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:41,401 INFO L87 Difference]: Start difference. First operand 2455 states and 6184 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:42,754 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:39:44,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:44,055 INFO L93 Difference]: Finished difference Result 2827 states and 6921 transitions. [2021-06-05 10:39:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:39:44,056 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:44,058 INFO L225 Difference]: With dead ends: 2827 [2021-06-05 10:39:44,058 INFO L226 Difference]: Without dead ends: 2617 [2021-06-05 10:39:44,058 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 2379.8ms TimeCoverageRelationStatistics Valid=602, Invalid=2820, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:39:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2021-06-05 10:39:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2445. [2021-06-05 10:39:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2444 states have (on average 2.526595744680851) internal successors, (6175), 2444 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 6175 transitions. [2021-06-05 10:39:44,081 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 6175 transitions. Word has length 119 [2021-06-05 10:39:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:44,081 INFO L482 AbstractCegarLoop]: Abstraction has 2445 states and 6175 transitions. [2021-06-05 10:39:44,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 6175 transitions. [2021-06-05 10:39:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:44,083 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:44,083 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:44,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-06-05 10:39:44,083 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 10:39:44,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:44,083 INFO L82 PathProgramCache]: Analyzing trace with hash 701321313, now seen corresponding path program 185 times [2021-06-05 10:39:44,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:44,083 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885511672] [2021-06-05 10:39:44,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:44,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:44,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885511672] [2021-06-05 10:39:44,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885511672] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:44,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:44,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:44,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560517306] [2021-06-05 10:39:44,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:44,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:44,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:44,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:44,738 INFO L87 Difference]: Start difference. First operand 2445 states and 6175 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:47,510 INFO L93 Difference]: Finished difference Result 2771 states and 6813 transitions. [2021-06-05 10:39:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:39:47,510 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:47,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:47,512 INFO L225 Difference]: With dead ends: 2771 [2021-06-05 10:39:47,513 INFO L226 Difference]: Without dead ends: 2616 [2021-06-05 10:39:47,513 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 2369.2ms TimeCoverageRelationStatistics Valid=605, Invalid=2817, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:39:47,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2021-06-05 10:39:47,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2451. [2021-06-05 10:39:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 2450 states have (on average 2.522448979591837) internal successors, (6180), 2450 states have internal predecessors, (6180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 6180 transitions. [2021-06-05 10:39:47,538 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 6180 transitions. Word has length 119 [2021-06-05 10:39:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:47,538 INFO L482 AbstractCegarLoop]: Abstraction has 2451 states and 6180 transitions. [2021-06-05 10:39:47,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 6180 transitions. [2021-06-05 10:39:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:47,540 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:47,540 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:47,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-06-05 10:39:47,541 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 10:39:47,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:47,541 INFO L82 PathProgramCache]: Analyzing trace with hash 696903173, now seen corresponding path program 186 times [2021-06-05 10:39:47,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:47,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159660579] [2021-06-05 10:39:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:48,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:48,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159660579] [2021-06-05 10:39:48,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159660579] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:48,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:48,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:48,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682009071] [2021-06-05 10:39:48,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:48,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:48,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:48,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:48,140 INFO L87 Difference]: Start difference. First operand 2451 states and 6180 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:51,027 INFO L93 Difference]: Finished difference Result 3667 states and 9187 transitions. [2021-06-05 10:39:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:39:51,027 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:51,030 INFO L225 Difference]: With dead ends: 3667 [2021-06-05 10:39:51,030 INFO L226 Difference]: Without dead ends: 3522 [2021-06-05 10:39:51,031 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 2439.0ms TimeCoverageRelationStatistics Valid=580, Invalid=2960, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:39:51,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3522 states. [2021-06-05 10:39:51,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3522 to 2739. [2021-06-05 10:39:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2738 states have (on average 2.547114682249817) internal successors, (6974), 2738 states have internal predecessors, (6974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 6974 transitions. [2021-06-05 10:39:51,060 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 6974 transitions. Word has length 119 [2021-06-05 10:39:51,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:51,060 INFO L482 AbstractCegarLoop]: Abstraction has 2739 states and 6974 transitions. [2021-06-05 10:39:51,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 6974 transitions. [2021-06-05 10:39:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:51,062 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:51,062 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:51,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-06-05 10:39:51,062 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 10:39:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash 222196871, now seen corresponding path program 187 times [2021-06-05 10:39:51,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:51,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023593653] [2021-06-05 10:39:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:51,662 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 10:39:51,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:51,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023593653] [2021-06-05 10:39:51,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023593653] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:51,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:51,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:51,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289982187] [2021-06-05 10:39:51,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:51,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:51,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:51,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:51,663 INFO L87 Difference]: Start difference. First operand 2739 states and 6974 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:54,651 INFO L93 Difference]: Finished difference Result 4002 states and 10071 transitions. [2021-06-05 10:39:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 10:39:54,651 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:54,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:54,654 INFO L225 Difference]: With dead ends: 4002 [2021-06-05 10:39:54,654 INFO L226 Difference]: Without dead ends: 3220 [2021-06-05 10:39:54,654 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 2582.4ms TimeCoverageRelationStatistics Valid=656, Invalid=3250, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 10:39:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2021-06-05 10:39:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 2475. [2021-06-05 10:39:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2474 states have (on average 2.5125303152789007) internal successors, (6216), 2474 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 6216 transitions. [2021-06-05 10:39:54,679 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 6216 transitions. Word has length 119 [2021-06-05 10:39:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:54,679 INFO L482 AbstractCegarLoop]: Abstraction has 2475 states and 6216 transitions. [2021-06-05 10:39:54,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 6216 transitions. [2021-06-05 10:39:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:54,681 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:54,681 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:54,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-06-05 10:39:54,681 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 10:39:54,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:54,681 INFO L82 PathProgramCache]: Analyzing trace with hash -221867791, now seen corresponding path program 188 times [2021-06-05 10:39:54,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:54,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301944491] [2021-06-05 10:39:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:55,290 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 10:39:55,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:55,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301944491] [2021-06-05 10:39:55,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301944491] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:55,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:55,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:55,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240890278] [2021-06-05 10:39:55,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:55,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:55,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:55,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:55,291 INFO L87 Difference]: Start difference. First operand 2475 states and 6216 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:56,818 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 10:39:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:58,183 INFO L93 Difference]: Finished difference Result 2981 states and 7349 transitions. [2021-06-05 10:39:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:39:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:58,185 INFO L225 Difference]: With dead ends: 2981 [2021-06-05 10:39:58,185 INFO L226 Difference]: Without dead ends: 2774 [2021-06-05 10:39:58,186 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 2443.4ms TimeCoverageRelationStatistics Valid=629, Invalid=2911, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:39:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2021-06-05 10:39:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2415. [2021-06-05 10:39:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2415 states, 2414 states have (on average 2.5269262634631318) internal successors, (6100), 2414 states have internal predecessors, (6100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 6100 transitions. [2021-06-05 10:39:58,209 INFO L78 Accepts]: Start accepts. Automaton has 2415 states and 6100 transitions. Word has length 119 [2021-06-05 10:39:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:58,210 INFO L482 AbstractCegarLoop]: Abstraction has 2415 states and 6100 transitions. [2021-06-05 10:39:58,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 6100 transitions. [2021-06-05 10:39:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:58,211 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:58,211 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:39:58,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-06-05 10:39:58,212 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 10:39:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:58,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1021977465, now seen corresponding path program 189 times [2021-06-05 10:39:58,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:58,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141329157] [2021-06-05 10:39:58,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:58,451 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 10:39:58,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:58,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141329157] [2021-06-05 10:39:58,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141329157] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:58,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:58,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:39:58,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470792746] [2021-06-05 10:39:58,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:39:58,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:39:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:39:58,452 INFO L87 Difference]: Start difference. First operand 2415 states and 6100 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:39:58,881 INFO L93 Difference]: Finished difference Result 2871 states and 7050 transitions. [2021-06-05 10:39:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:39:58,882 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:39:58,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:39:58,884 INFO L225 Difference]: With dead ends: 2871 [2021-06-05 10:39:58,884 INFO L226 Difference]: Without dead ends: 2815 [2021-06-05 10:39:58,884 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 405.9ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:39:58,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2021-06-05 10:39:58,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2521. [2021-06-05 10:39:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2520 states have (on average 2.5186507936507936) internal successors, (6347), 2520 states have internal predecessors, (6347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 6347 transitions. [2021-06-05 10:39:58,911 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 6347 transitions. Word has length 119 [2021-06-05 10:39:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:39:58,911 INFO L482 AbstractCegarLoop]: Abstraction has 2521 states and 6347 transitions. [2021-06-05 10:39:58,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:39:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 6347 transitions. [2021-06-05 10:39:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:39:58,913 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:39:58,913 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, 1, 1, 1, 1, 1] [2021-06-05 10:39:58,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-06-05 10:39:58,913 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 10:39:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:39:58,914 INFO L82 PathProgramCache]: Analyzing trace with hash -803902033, now seen corresponding path program 190 times [2021-06-05 10:39:58,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:39:58,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275652938] [2021-06-05 10:39:58,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:39:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:39:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:39:59,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:39:59,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275652938] [2021-06-05 10:39:59,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275652938] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:39:59,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:39:59,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:39:59,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742137913] [2021-06-05 10:39:59,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:39:59,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:39:59,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:39:59,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:39:59,531 INFO L87 Difference]: Start difference. First operand 2521 states and 6347 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:02,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:02,260 INFO L93 Difference]: Finished difference Result 2919 states and 7159 transitions. [2021-06-05 10:40:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:40:02,260 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:02,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:02,263 INFO L225 Difference]: With dead ends: 2919 [2021-06-05 10:40:02,263 INFO L226 Difference]: Without dead ends: 2766 [2021-06-05 10:40:02,263 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 2428.7ms TimeCoverageRelationStatistics Valid=605, Invalid=2817, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:40:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2021-06-05 10:40:02,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2561. [2021-06-05 10:40:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2560 states have (on average 2.515234375) internal successors, (6439), 2560 states have internal predecessors, (6439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 6439 transitions. [2021-06-05 10:40:02,288 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 6439 transitions. Word has length 119 [2021-06-05 10:40:02,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:02,288 INFO L482 AbstractCegarLoop]: Abstraction has 2561 states and 6439 transitions. [2021-06-05 10:40:02,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 6439 transitions. [2021-06-05 10:40:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:02,290 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:02,290 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, 1, 1, 1, 1, 1] [2021-06-05 10:40:02,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-06-05 10:40:02,290 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 10:40:02,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:02,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1318576291, now seen corresponding path program 191 times [2021-06-05 10:40:02,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:02,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811393460] [2021-06-05 10:40:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:02,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:02,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811393460] [2021-06-05 10:40:02,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811393460] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:02,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:02,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:02,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302127870] [2021-06-05 10:40:02,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:02,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:02,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:02,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:02,947 INFO L87 Difference]: Start difference. First operand 2561 states and 6439 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:04,945 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-06-05 10:40:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:06,101 INFO L93 Difference]: Finished difference Result 2961 states and 7246 transitions. [2021-06-05 10:40:06,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:40:06,102 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:06,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:06,104 INFO L225 Difference]: With dead ends: 2961 [2021-06-05 10:40:06,104 INFO L226 Difference]: Without dead ends: 2802 [2021-06-05 10:40:06,104 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 2803.1ms TimeCoverageRelationStatistics Valid=615, Invalid=2925, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:40:06,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2021-06-05 10:40:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 2565. [2021-06-05 10:40:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2564 states have (on average 2.513650546021841) internal successors, (6445), 2564 states have internal predecessors, (6445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 6445 transitions. [2021-06-05 10:40:06,135 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 6445 transitions. Word has length 119 [2021-06-05 10:40:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:06,136 INFO L482 AbstractCegarLoop]: Abstraction has 2565 states and 6445 transitions. [2021-06-05 10:40:06,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 6445 transitions. [2021-06-05 10:40:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:06,138 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:06,138 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, 1, 1, 1, 1, 1] [2021-06-05 10:40:06,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-06-05 10:40:06,138 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 10:40:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:06,139 INFO L82 PathProgramCache]: Analyzing trace with hash 904807895, now seen corresponding path program 192 times [2021-06-05 10:40:06,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:06,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543550400] [2021-06-05 10:40:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:06,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:06,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543550400] [2021-06-05 10:40:06,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543550400] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:06,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:06,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:06,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239676801] [2021-06-05 10:40:06,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:06,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:06,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:06,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:06,797 INFO L87 Difference]: Start difference. First operand 2565 states and 6445 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:08,197 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:40:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:09,854 INFO L93 Difference]: Finished difference Result 2937 states and 7187 transitions. [2021-06-05 10:40:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 10:40:09,855 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:09,857 INFO L225 Difference]: With dead ends: 2937 [2021-06-05 10:40:09,857 INFO L226 Difference]: Without dead ends: 2782 [2021-06-05 10:40:09,858 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2624.2ms TimeCoverageRelationStatistics Valid=632, Invalid=2908, Unknown=0, NotChecked=0, Total=3540 [2021-06-05 10:40:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2021-06-05 10:40:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2557. [2021-06-05 10:40:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 2.514866979655712) internal successors, (6428), 2556 states have internal predecessors, (6428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 6428 transitions. [2021-06-05 10:40:09,882 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 6428 transitions. Word has length 119 [2021-06-05 10:40:09,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:09,883 INFO L482 AbstractCegarLoop]: Abstraction has 2557 states and 6428 transitions. [2021-06-05 10:40:09,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 6428 transitions. [2021-06-05 10:40:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:09,884 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:09,885 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:09,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-06-05 10:40:09,885 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 10:40:09,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:09,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1137995679, now seen corresponding path program 193 times [2021-06-05 10:40:09,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:09,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118104302] [2021-06-05 10:40:09,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:10,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:10,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118104302] [2021-06-05 10:40:10,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118104302] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:10,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:10,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:10,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197995797] [2021-06-05 10:40:10,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:10,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:10,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:10,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:10,515 INFO L87 Difference]: Start difference. First operand 2557 states and 6428 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:13,520 INFO L93 Difference]: Finished difference Result 4166 states and 10564 transitions. [2021-06-05 10:40:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:40:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:13,524 INFO L225 Difference]: With dead ends: 4166 [2021-06-05 10:40:13,524 INFO L226 Difference]: Without dead ends: 4021 [2021-06-05 10:40:13,524 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 2566.3ms TimeCoverageRelationStatistics Valid=553, Invalid=2753, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:40:13,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2021-06-05 10:40:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 2893. [2021-06-05 10:40:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2892 states have (on average 2.5345781466113415) internal successors, (7330), 2892 states have internal predecessors, (7330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 7330 transitions. [2021-06-05 10:40:13,558 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 7330 transitions. Word has length 119 [2021-06-05 10:40:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:13,559 INFO L482 AbstractCegarLoop]: Abstraction has 2893 states and 7330 transitions. [2021-06-05 10:40:13,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 7330 transitions. [2021-06-05 10:40:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:13,561 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:13,561 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:13,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-06-05 10:40:13,561 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 10:40:13,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:13,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1612701981, now seen corresponding path program 194 times [2021-06-05 10:40:13,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:13,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29373898] [2021-06-05 10:40:13,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:14,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:14,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29373898] [2021-06-05 10:40:14,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29373898] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:14,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:14,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:14,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234955647] [2021-06-05 10:40:14,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:14,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:14,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:14,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:14,183 INFO L87 Difference]: Start difference. First operand 2893 states and 7330 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:14,996 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2021-06-05 10:40:17,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:17,820 INFO L93 Difference]: Finished difference Result 4537 states and 11453 transitions. [2021-06-05 10:40:17,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 10:40:17,820 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:17,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:17,824 INFO L225 Difference]: With dead ends: 4537 [2021-06-05 10:40:17,824 INFO L226 Difference]: Without dead ends: 3742 [2021-06-05 10:40:17,824 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 3140.3ms TimeCoverageRelationStatistics Valid=696, Invalid=3464, Unknown=0, NotChecked=0, Total=4160 [2021-06-05 10:40:17,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2021-06-05 10:40:17,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2629. [2021-06-05 10:40:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2628 states have (on average 2.4916286149162863) internal successors, (6548), 2628 states have internal predecessors, (6548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 6548 transitions. [2021-06-05 10:40:17,852 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 6548 transitions. Word has length 119 [2021-06-05 10:40:17,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:17,853 INFO L482 AbstractCegarLoop]: Abstraction has 2629 states and 6548 transitions. [2021-06-05 10:40:17,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:17,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 6548 transitions. [2021-06-05 10:40:17,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:17,855 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:17,855 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:17,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-06-05 10:40:17,855 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 10:40:17,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:17,855 INFO L82 PathProgramCache]: Analyzing trace with hash -377724415, now seen corresponding path program 195 times [2021-06-05 10:40:17,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:17,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788481695] [2021-06-05 10:40:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:18,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:18,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788481695] [2021-06-05 10:40:18,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788481695] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:18,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:18,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:18,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600118330] [2021-06-05 10:40:18,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:18,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:18,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:18,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:18,439 INFO L87 Difference]: Start difference. First operand 2629 states and 6548 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:21,457 INFO L93 Difference]: Finished difference Result 3939 states and 9770 transitions. [2021-06-05 10:40:21,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:21,457 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:21,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:21,460 INFO L225 Difference]: With dead ends: 3939 [2021-06-05 10:40:21,460 INFO L226 Difference]: Without dead ends: 3696 [2021-06-05 10:40:21,461 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 2598.8ms TimeCoverageRelationStatistics Valid=602, Invalid=3058, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:40:21,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2021-06-05 10:40:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2545. [2021-06-05 10:40:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2544 states have (on average 2.50314465408805) internal successors, (6368), 2544 states have internal predecessors, (6368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 6368 transitions. [2021-06-05 10:40:21,489 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 6368 transitions. Word has length 119 [2021-06-05 10:40:21,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:21,489 INFO L482 AbstractCegarLoop]: Abstraction has 2545 states and 6368 transitions. [2021-06-05 10:40:21,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 6368 transitions. [2021-06-05 10:40:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:21,491 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:21,491 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, 1, 1, 1, 1, 1] [2021-06-05 10:40:21,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-06-05 10:40:21,491 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 10:40:21,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:21,492 INFO L82 PathProgramCache]: Analyzing trace with hash 662534293, now seen corresponding path program 196 times [2021-06-05 10:40:21,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:21,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181045810] [2021-06-05 10:40:21,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:22,143 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 10:40:22,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:22,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181045810] [2021-06-05 10:40:22,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181045810] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:22,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:22,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:22,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929891851] [2021-06-05 10:40:22,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:22,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:22,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:22,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:22,144 INFO L87 Difference]: Start difference. First operand 2545 states and 6368 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:23,219 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:40:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:25,246 INFO L93 Difference]: Finished difference Result 4005 states and 10006 transitions. [2021-06-05 10:40:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:25,249 INFO L225 Difference]: With dead ends: 4005 [2021-06-05 10:40:25,249 INFO L226 Difference]: Without dead ends: 3860 [2021-06-05 10:40:25,249 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 2697.5ms TimeCoverageRelationStatistics Valid=607, Invalid=3053, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:40:25,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2021-06-05 10:40:25,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 2833. [2021-06-05 10:40:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2832 states have (on average 2.528954802259887) internal successors, (7162), 2832 states have internal predecessors, (7162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 7162 transitions. [2021-06-05 10:40:25,279 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 7162 transitions. Word has length 119 [2021-06-05 10:40:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:25,279 INFO L482 AbstractCegarLoop]: Abstraction has 2833 states and 7162 transitions. [2021-06-05 10:40:25,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 7162 transitions. [2021-06-05 10:40:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:25,281 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:25,281 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:25,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-06-05 10:40:25,282 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 10:40:25,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:25,282 INFO L82 PathProgramCache]: Analyzing trace with hash 187827991, now seen corresponding path program 197 times [2021-06-05 10:40:25,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:25,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136816452] [2021-06-05 10:40:25,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:25,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:25,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136816452] [2021-06-05 10:40:25,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136816452] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:25,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:25,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:25,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042345438] [2021-06-05 10:40:25,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:25,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:25,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:25,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:25,915 INFO L87 Difference]: Start difference. First operand 2833 states and 7162 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:26,981 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-06-05 10:40:29,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:29,447 INFO L93 Difference]: Finished difference Result 4340 states and 10890 transitions. [2021-06-05 10:40:29,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 10:40:29,447 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:29,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:29,450 INFO L225 Difference]: With dead ends: 4340 [2021-06-05 10:40:29,450 INFO L226 Difference]: Without dead ends: 3558 [2021-06-05 10:40:29,451 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 3106.6ms TimeCoverageRelationStatistics Valid=687, Invalid=3345, Unknown=0, NotChecked=0, Total=4032 [2021-06-05 10:40:29,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2021-06-05 10:40:29,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 2569. [2021-06-05 10:40:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2568 states have (on average 2.4937694704049846) internal successors, (6404), 2568 states have internal predecessors, (6404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 6404 transitions. [2021-06-05 10:40:29,481 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 6404 transitions. Word has length 119 [2021-06-05 10:40:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:29,481 INFO L482 AbstractCegarLoop]: Abstraction has 2569 states and 6404 transitions. [2021-06-05 10:40:29,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 6404 transitions. [2021-06-05 10:40:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:29,483 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:29,483 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:29,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-06-05 10:40:29,483 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 10:40:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:29,483 INFO L82 PathProgramCache]: Analyzing trace with hash -256236671, now seen corresponding path program 198 times [2021-06-05 10:40:29,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:29,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316840519] [2021-06-05 10:40:29,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:30,138 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 10:40:30,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:30,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316840519] [2021-06-05 10:40:30,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316840519] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:30,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:30,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:30,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130285131] [2021-06-05 10:40:30,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:30,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:30,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:30,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:30,139 INFO L87 Difference]: Start difference. First operand 2569 states and 6404 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:31,701 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 10:40:33,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:33,232 INFO L93 Difference]: Finished difference Result 3307 states and 8140 transitions. [2021-06-05 10:40:33,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:33,233 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:33,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:33,236 INFO L225 Difference]: With dead ends: 3307 [2021-06-05 10:40:33,236 INFO L226 Difference]: Without dead ends: 3148 [2021-06-05 10:40:33,236 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 2742.8ms TimeCoverageRelationStatistics Valid=659, Invalid=3001, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:40:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2021-06-05 10:40:33,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2509. [2021-06-05 10:40:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2508 states have (on average 2.5055821371610847) internal successors, (6284), 2508 states have internal predecessors, (6284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 6284 transitions. [2021-06-05 10:40:33,264 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 6284 transitions. Word has length 119 [2021-06-05 10:40:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:33,264 INFO L482 AbstractCegarLoop]: Abstraction has 2509 states and 6284 transitions. [2021-06-05 10:40:33,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 6284 transitions. [2021-06-05 10:40:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:33,266 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:33,266 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:33,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-06-05 10:40:33,267 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 10:40:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:33,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1205146773, now seen corresponding path program 199 times [2021-06-05 10:40:33,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:33,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157814572] [2021-06-05 10:40:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:33,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:33,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157814572] [2021-06-05 10:40:33,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157814572] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:33,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:33,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:33,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073721028] [2021-06-05 10:40:33,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:33,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:33,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:33,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:33,859 INFO L87 Difference]: Start difference. First operand 2509 states and 6284 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:36,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:36,863 INFO L93 Difference]: Finished difference Result 3111 states and 7631 transitions. [2021-06-05 10:40:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:36,864 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:36,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:36,866 INFO L225 Difference]: With dead ends: 3111 [2021-06-05 10:40:36,866 INFO L226 Difference]: Without dead ends: 2952 [2021-06-05 10:40:36,866 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 2588.3ms TimeCoverageRelationStatistics Valid=644, Invalid=3016, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:40:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2021-06-05 10:40:36,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2513. [2021-06-05 10:40:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 2512 states have (on average 2.503980891719745) internal successors, (6290), 2512 states have internal predecessors, (6290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 6290 transitions. [2021-06-05 10:40:36,891 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 6290 transitions. Word has length 119 [2021-06-05 10:40:36,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:36,891 INFO L482 AbstractCegarLoop]: Abstraction has 2513 states and 6290 transitions. [2021-06-05 10:40:36,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:36,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 6290 transitions. [2021-06-05 10:40:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:36,893 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:36,893 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:36,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-06-05 10:40:36,893 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 10:40:36,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:36,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1263228385, now seen corresponding path program 200 times [2021-06-05 10:40:36,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:36,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440514630] [2021-06-05 10:40:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:37,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:37,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440514630] [2021-06-05 10:40:37,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440514630] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:37,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:37,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:37,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550004295] [2021-06-05 10:40:37,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:37,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:37,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:37,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:37,545 INFO L87 Difference]: Start difference. First operand 2513 states and 6290 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:38,952 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-06-05 10:40:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:40,603 INFO L93 Difference]: Finished difference Result 3085 states and 7567 transitions. [2021-06-05 10:40:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 10:40:40,603 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:40,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:40,605 INFO L225 Difference]: With dead ends: 3085 [2021-06-05 10:40:40,605 INFO L226 Difference]: Without dead ends: 2888 [2021-06-05 10:40:40,605 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 2727.8ms TimeCoverageRelationStatistics Valid=659, Invalid=3001, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 10:40:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2021-06-05 10:40:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2461. [2021-06-05 10:40:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 2460 states have (on average 2.5166666666666666) internal successors, (6191), 2460 states have internal predecessors, (6191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 6191 transitions. [2021-06-05 10:40:40,630 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 6191 transitions. Word has length 119 [2021-06-05 10:40:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:40,630 INFO L482 AbstractCegarLoop]: Abstraction has 2461 states and 6191 transitions. [2021-06-05 10:40:40,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 6191 transitions. [2021-06-05 10:40:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:40,632 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:40,632 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, 1, 1, 1, 1, 1] [2021-06-05 10:40:40,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-06-05 10:40:40,632 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 10:40:40,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:40,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1732020677, now seen corresponding path program 201 times [2021-06-05 10:40:40,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:40,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189568868] [2021-06-05 10:40:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:41,246 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 10:40:41,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:41,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189568868] [2021-06-05 10:40:41,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189568868] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:41,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:41,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:41,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820985754] [2021-06-05 10:40:41,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:41,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:41,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:41,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:41,247 INFO L87 Difference]: Start difference. First operand 2461 states and 6191 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:42,444 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-06-05 10:40:42,629 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 10:40:44,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:44,134 INFO L93 Difference]: Finished difference Result 2819 states and 6897 transitions. [2021-06-05 10:40:44,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:40:44,135 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:44,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:44,137 INFO L225 Difference]: With dead ends: 2819 [2021-06-05 10:40:44,137 INFO L226 Difference]: Without dead ends: 2629 [2021-06-05 10:40:44,138 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 2612.7ms TimeCoverageRelationStatistics Valid=602, Invalid=2820, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:40:44,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2021-06-05 10:40:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2421. [2021-06-05 10:40:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 2420 states have (on average 2.521074380165289) internal successors, (6101), 2420 states have internal predecessors, (6101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 6101 transitions. [2021-06-05 10:40:44,163 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 6101 transitions. Word has length 119 [2021-06-05 10:40:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:44,163 INFO L482 AbstractCegarLoop]: Abstraction has 2421 states and 6101 transitions. [2021-06-05 10:40:44,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 6101 transitions. [2021-06-05 10:40:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:44,165 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:44,166 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:44,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-06-05 10:40:44,166 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 10:40:44,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:44,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1787237757, now seen corresponding path program 202 times [2021-06-05 10:40:44,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:44,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543283324] [2021-06-05 10:40:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:44,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:44,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543283324] [2021-06-05 10:40:44,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543283324] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:44,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:44,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 10:40:44,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476247998] [2021-06-05 10:40:44,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 10:40:44,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:44,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 10:40:44,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:40:44,424 INFO L87 Difference]: Start difference. First operand 2421 states and 6101 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:44,874 INFO L93 Difference]: Finished difference Result 1815 states and 4350 transitions. [2021-06-05 10:40:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 10:40:44,875 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:44,876 INFO L225 Difference]: With dead ends: 1815 [2021-06-05 10:40:44,876 INFO L226 Difference]: Without dead ends: 1703 [2021-06-05 10:40:44,876 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 450.8ms TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2021-06-05 10:40:44,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2021-06-05 10:40:44,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1679. [2021-06-05 10:40:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1678 states have (on average 2.3969010727056017) internal successors, (4022), 1678 states have internal predecessors, (4022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 4022 transitions. [2021-06-05 10:40:44,891 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 4022 transitions. Word has length 119 [2021-06-05 10:40:44,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:44,891 INFO L482 AbstractCegarLoop]: Abstraction has 1679 states and 4022 transitions. [2021-06-05 10:40:44,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 4022 transitions. [2021-06-05 10:40:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:44,893 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:44,893 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:44,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-06-05 10:40:44,893 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 10:40:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:44,893 INFO L82 PathProgramCache]: Analyzing trace with hash 348133955, now seen corresponding path program 203 times [2021-06-05 10:40:44,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:44,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021640879] [2021-06-05 10:40:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:45,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:45,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021640879] [2021-06-05 10:40:45,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021640879] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:45,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:45,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:45,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230848188] [2021-06-05 10:40:45,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:45,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:45,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:45,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:45,497 INFO L87 Difference]: Start difference. First operand 1679 states and 4022 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:46,671 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 10:40:46,926 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:40:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:47,844 INFO L93 Difference]: Finished difference Result 1838 states and 4333 transitions. [2021-06-05 10:40:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:40:47,845 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:47,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:47,846 INFO L225 Difference]: With dead ends: 1838 [2021-06-05 10:40:47,846 INFO L226 Difference]: Without dead ends: 1735 [2021-06-05 10:40:47,846 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 2008.5ms TimeCoverageRelationStatistics Valid=451, Invalid=2201, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:40:47,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2021-06-05 10:40:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1713. [2021-06-05 10:40:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1712 states have (on average 2.3942757009345796) internal successors, (4099), 1712 states have internal predecessors, (4099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 4099 transitions. [2021-06-05 10:40:47,862 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 4099 transitions. Word has length 119 [2021-06-05 10:40:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:47,862 INFO L482 AbstractCegarLoop]: Abstraction has 1713 states and 4099 transitions. [2021-06-05 10:40:47,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 4099 transitions. [2021-06-05 10:40:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:47,863 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:47,864 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:47,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-06-05 10:40:47,864 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 10:40:47,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:47,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1824355017, now seen corresponding path program 204 times [2021-06-05 10:40:47,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:47,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334862396] [2021-06-05 10:40:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:48,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:48,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334862396] [2021-06-05 10:40:48,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334862396] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:48,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:48,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:48,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484297528] [2021-06-05 10:40:48,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:48,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:48,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:48,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:48,580 INFO L87 Difference]: Start difference. First operand 1713 states and 4099 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:50,776 INFO L93 Difference]: Finished difference Result 1874 states and 4409 transitions. [2021-06-05 10:40:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:40:50,776 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:50,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:50,778 INFO L225 Difference]: With dead ends: 1874 [2021-06-05 10:40:50,778 INFO L226 Difference]: Without dead ends: 1769 [2021-06-05 10:40:50,778 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 1990.9ms TimeCoverageRelationStatistics Valid=456, Invalid=2300, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:40:50,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2021-06-05 10:40:50,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1715. [2021-06-05 10:40:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1714 states have (on average 2.3932322053675614) internal successors, (4102), 1714 states have internal predecessors, (4102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:50,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 4102 transitions. [2021-06-05 10:40:50,792 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 4102 transitions. Word has length 119 [2021-06-05 10:40:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:50,792 INFO L482 AbstractCegarLoop]: Abstraction has 1715 states and 4102 transitions. [2021-06-05 10:40:50,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 4102 transitions. [2021-06-05 10:40:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:50,794 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:50,794 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:50,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-06-05 10:40:50,794 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 10:40:50,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:50,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2056843883, now seen corresponding path program 205 times [2021-06-05 10:40:50,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:50,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887450360] [2021-06-05 10:40:50,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:51,376 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 10:40:51,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:51,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887450360] [2021-06-05 10:40:51,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887450360] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:51,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:51,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:51,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307823129] [2021-06-05 10:40:51,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:51,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:51,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:51,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:51,377 INFO L87 Difference]: Start difference. First operand 1715 states and 4102 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:52,645 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-06-05 10:40:53,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:53,453 INFO L93 Difference]: Finished difference Result 1830 states and 4313 transitions. [2021-06-05 10:40:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:40:53,453 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:53,454 INFO L225 Difference]: With dead ends: 1830 [2021-06-05 10:40:53,454 INFO L226 Difference]: Without dead ends: 1725 [2021-06-05 10:40:53,454 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1875.4ms TimeCoverageRelationStatistics Valid=452, Invalid=2200, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:40:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-06-05 10:40:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1707. [2021-06-05 10:40:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 2.392731535756155) internal successors, (4082), 1706 states have internal predecessors, (4082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 4082 transitions. [2021-06-05 10:40:53,468 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 4082 transitions. Word has length 119 [2021-06-05 10:40:53,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:53,468 INFO L482 AbstractCegarLoop]: Abstraction has 1707 states and 4082 transitions. [2021-06-05 10:40:53,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 4082 transitions. [2021-06-05 10:40:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:53,470 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:53,470 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:53,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-06-05 10:40:53,470 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 10:40:53,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:53,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1353455165, now seen corresponding path program 206 times [2021-06-05 10:40:53,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:53,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160022416] [2021-06-05 10:40:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:54,043 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 10:40:54,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:54,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160022416] [2021-06-05 10:40:54,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160022416] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:54,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:54,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:54,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50124907] [2021-06-05 10:40:54,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:54,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:54,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:54,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:54,044 INFO L87 Difference]: Start difference. First operand 1707 states and 4082 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:55,821 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2021-06-05 10:40:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:56,311 INFO L93 Difference]: Finished difference Result 1910 states and 4491 transitions. [2021-06-05 10:40:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 10:40:56,311 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:56,313 INFO L225 Difference]: With dead ends: 1910 [2021-06-05 10:40:56,313 INFO L226 Difference]: Without dead ends: 1775 [2021-06-05 10:40:56,313 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 2014.3ms TimeCoverageRelationStatistics Valid=468, Invalid=2394, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 10:40:56,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2021-06-05 10:40:56,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1713. [2021-06-05 10:40:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1712 states have (on average 2.3896028037383177) internal successors, (4091), 1712 states have internal predecessors, (4091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 4091 transitions. [2021-06-05 10:40:56,327 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 4091 transitions. Word has length 119 [2021-06-05 10:40:56,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:56,327 INFO L482 AbstractCegarLoop]: Abstraction has 1713 states and 4091 transitions. [2021-06-05 10:40:56,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 4091 transitions. [2021-06-05 10:40:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:56,329 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:56,329 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:56,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-06-05 10:40:56,329 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 10:40:56,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:56,329 INFO L82 PathProgramCache]: Analyzing trace with hash 652802029, now seen corresponding path program 207 times [2021-06-05 10:40:56,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:56,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884467450] [2021-06-05 10:40:56,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:56,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:40:56,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:56,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884467450] [2021-06-05 10:40:56,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884467450] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:56,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:56,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:56,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307834719] [2021-06-05 10:40:56,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:56,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:56,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:56,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:56,912 INFO L87 Difference]: Start difference. First operand 1713 states and 4091 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:40:59,055 INFO L93 Difference]: Finished difference Result 1870 states and 4393 transitions. [2021-06-05 10:40:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 10:40:59,056 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:40:59,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:40:59,057 INFO L225 Difference]: With dead ends: 1870 [2021-06-05 10:40:59,057 INFO L226 Difference]: Without dead ends: 1765 [2021-06-05 10:40:59,057 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 1944.8ms TimeCoverageRelationStatistics Valid=458, Invalid=2298, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 10:40:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2021-06-05 10:40:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1715. [2021-06-05 10:40:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1714 states have (on average 2.3885647607934657) internal successors, (4094), 1714 states have internal predecessors, (4094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 4094 transitions. [2021-06-05 10:40:59,072 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 4094 transitions. Word has length 119 [2021-06-05 10:40:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:40:59,072 INFO L482 AbstractCegarLoop]: Abstraction has 1715 states and 4094 transitions. [2021-06-05 10:40:59,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:40:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 4094 transitions. [2021-06-05 10:40:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:40:59,074 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:40:59,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:40:59,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-06-05 10:40:59,074 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 10:40:59,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:40:59,074 INFO L82 PathProgramCache]: Analyzing trace with hash 239033633, now seen corresponding path program 208 times [2021-06-05 10:40:59,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:40:59,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578493591] [2021-06-05 10:40:59,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:40:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:40:59,669 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 10:40:59,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:40:59,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578493591] [2021-06-05 10:40:59,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578493591] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:40:59,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:40:59,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:40:59,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744600646] [2021-06-05 10:40:59,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:40:59,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:40:59,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:40:59,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:40:59,670 INFO L87 Difference]: Start difference. First operand 1715 states and 4094 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:01,738 INFO L93 Difference]: Finished difference Result 1826 states and 4297 transitions. [2021-06-05 10:41:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 10:41:01,738 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:01,740 INFO L225 Difference]: With dead ends: 1826 [2021-06-05 10:41:01,740 INFO L226 Difference]: Without dead ends: 1703 [2021-06-05 10:41:01,740 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1874.8ms TimeCoverageRelationStatistics Valid=453, Invalid=2199, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 10:41:01,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2021-06-05 10:41:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1689. [2021-06-05 10:41:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1688 states have (on average 2.3862559241706163) internal successors, (4028), 1688 states have internal predecessors, (4028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 4028 transitions. [2021-06-05 10:41:01,754 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 4028 transitions. Word has length 119 [2021-06-05 10:41:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:01,754 INFO L482 AbstractCegarLoop]: Abstraction has 1689 states and 4028 transitions. [2021-06-05 10:41:01,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 4028 transitions. [2021-06-05 10:41:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:01,756 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:01,756 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:01,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-06-05 10:41:01,756 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 10:41:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:01,756 INFO L82 PathProgramCache]: Analyzing trace with hash 852774503, now seen corresponding path program 209 times [2021-06-05 10:41:01,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:01,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326136054] [2021-06-05 10:41:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:41:02,326 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 10:41:02,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:41:02,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326136054] [2021-06-05 10:41:02,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326136054] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:41:02,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:41:02,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:41:02,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166333868] [2021-06-05 10:41:02,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:41:02,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:41:02,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:41:02,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:41:02,327 INFO L87 Difference]: Start difference. First operand 1689 states and 4028 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:04,827 INFO L93 Difference]: Finished difference Result 2098 states and 5002 transitions. [2021-06-05 10:41:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:41:04,827 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:04,829 INFO L225 Difference]: With dead ends: 2098 [2021-06-05 10:41:04,829 INFO L226 Difference]: Without dead ends: 2003 [2021-06-05 10:41:04,829 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 2179.1ms TimeCoverageRelationStatistics Valid=484, Invalid=2486, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:41:04,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-06-05 10:41:04,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1917. [2021-06-05 10:41:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1916 states have (on average 2.4081419624217117) internal successors, (4614), 1916 states have internal predecessors, (4614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4614 transitions. [2021-06-05 10:41:04,846 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4614 transitions. Word has length 119 [2021-06-05 10:41:04,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:04,846 INFO L482 AbstractCegarLoop]: Abstraction has 1917 states and 4614 transitions. [2021-06-05 10:41:04,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4614 transitions. [2021-06-05 10:41:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:04,848 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:04,848 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:04,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-06-05 10:41:04,848 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 10:41:04,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:04,848 INFO L82 PathProgramCache]: Analyzing trace with hash 378068201, now seen corresponding path program 210 times [2021-06-05 10:41:04,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:04,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534206329] [2021-06-05 10:41:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:41:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:41:05,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:41:05,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534206329] [2021-06-05 10:41:05,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534206329] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:41:05,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:41:05,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:41:05,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529056587] [2021-06-05 10:41:05,425 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:41:05,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:41:05,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:41:05,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:41:05,425 INFO L87 Difference]: Start difference. First operand 1917 states and 4614 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:08,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:08,012 INFO L93 Difference]: Finished difference Result 2321 states and 5505 transitions. [2021-06-05 10:41:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 10:41:08,013 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:08,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:08,014 INFO L225 Difference]: With dead ends: 2321 [2021-06-05 10:41:08,015 INFO L226 Difference]: Without dead ends: 1826 [2021-06-05 10:41:08,015 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 2307.2ms TimeCoverageRelationStatistics Valid=528, Invalid=2778, Unknown=0, NotChecked=0, Total=3306 [2021-06-05 10:41:08,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2021-06-05 10:41:08,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1749. [2021-06-05 10:41:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1748 states have (on average 2.3661327231121283) internal successors, (4136), 1748 states have internal predecessors, (4136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 4136 transitions. [2021-06-05 10:41:08,030 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 4136 transitions. Word has length 119 [2021-06-05 10:41:08,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:08,030 INFO L482 AbstractCegarLoop]: Abstraction has 1749 states and 4136 transitions. [2021-06-05 10:41:08,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 4136 transitions. [2021-06-05 10:41:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:08,032 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:08,032 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:08,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-06-05 10:41:08,032 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 10:41:08,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:08,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1613045767, now seen corresponding path program 211 times [2021-06-05 10:41:08,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:08,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059109859] [2021-06-05 10:41:08,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:41:08,638 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 10:41:08,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:41:08,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059109859] [2021-06-05 10:41:08,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059109859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:41:08,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:41:08,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:41:08,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316424673] [2021-06-05 10:41:08,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:41:08,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:41:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:41:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:41:08,639 INFO L87 Difference]: Start difference. First operand 1749 states and 4136 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:11,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:11,147 INFO L93 Difference]: Finished difference Result 1898 states and 4424 transitions. [2021-06-05 10:41:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:41:11,147 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:11,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:11,149 INFO L225 Difference]: With dead ends: 1898 [2021-06-05 10:41:11,149 INFO L226 Difference]: Without dead ends: 1733 [2021-06-05 10:41:11,149 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2211.8ms TimeCoverageRelationStatistics Valid=484, Invalid=2486, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:41:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2021-06-05 10:41:11,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1689. [2021-06-05 10:41:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1688 states have (on average 2.3507109004739335) internal successors, (3968), 1688 states have internal predecessors, (3968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 3968 transitions. [2021-06-05 10:41:11,163 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 3968 transitions. Word has length 119 [2021-06-05 10:41:11,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:11,164 INFO L482 AbstractCegarLoop]: Abstraction has 1689 states and 3968 transitions. [2021-06-05 10:41:11,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 3968 transitions. [2021-06-05 10:41:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:11,165 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:11,165 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:11,165 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-06-05 10:41:11,165 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 10:41:11,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:11,165 INFO L82 PathProgramCache]: Analyzing trace with hash -363529467, now seen corresponding path program 212 times [2021-06-05 10:41:11,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:11,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318729823] [2021-06-05 10:41:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:41:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:41:11,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:41:11,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318729823] [2021-06-05 10:41:11,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318729823] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:41:11,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:41:11,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:41:11,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335936917] [2021-06-05 10:41:11,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:41:11,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:41:11,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:41:11,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:41:11,757 INFO L87 Difference]: Start difference. First operand 1689 states and 3968 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:13,642 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2021-06-05 10:41:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:14,161 INFO L93 Difference]: Finished difference Result 1868 states and 4325 transitions. [2021-06-05 10:41:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 10:41:14,161 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:14,163 INFO L225 Difference]: With dead ends: 1868 [2021-06-05 10:41:14,163 INFO L226 Difference]: Without dead ends: 1553 [2021-06-05 10:41:14,163 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2193.7ms TimeCoverageRelationStatistics Valid=484, Invalid=2486, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 10:41:14,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2021-06-05 10:41:14,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1509. [2021-06-05 10:41:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1508 states have (on average 2.312997347480106) internal successors, (3488), 1508 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 3488 transitions. [2021-06-05 10:41:14,176 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 3488 transitions. Word has length 119 [2021-06-05 10:41:14,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:14,176 INFO L482 AbstractCegarLoop]: Abstraction has 1509 states and 3488 transitions. [2021-06-05 10:41:14,176 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 3488 transitions. [2021-06-05 10:41:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:14,177 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:14,177 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:14,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-06-05 10:41:14,177 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 10:41:14,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:14,177 INFO L82 PathProgramCache]: Analyzing trace with hash 425622033, now seen corresponding path program 213 times [2021-06-05 10:41:14,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:14,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177011811] [2021-06-05 10:41:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:41:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:41:14,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:41:14,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177011811] [2021-06-05 10:41:14,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177011811] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:41:14,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:41:14,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:41:14,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255757738] [2021-06-05 10:41:14,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:41:14,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:41:14,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:41:14,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:41:14,740 INFO L87 Difference]: Start difference. First operand 1509 states and 3488 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:17,171 INFO L93 Difference]: Finished difference Result 1900 states and 4381 transitions. [2021-06-05 10:41:17,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 10:41:17,172 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:17,173 INFO L225 Difference]: With dead ends: 1900 [2021-06-05 10:41:17,173 INFO L226 Difference]: Without dead ends: 1805 [2021-06-05 10:41:17,174 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 2128.3ms TimeCoverageRelationStatistics Valid=505, Invalid=2575, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 10:41:17,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2021-06-05 10:41:17,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1677. [2021-06-05 10:41:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1676 states have (on average 2.3305489260143197) internal successors, (3906), 1676 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 3906 transitions. [2021-06-05 10:41:17,189 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 3906 transitions. Word has length 119 [2021-06-05 10:41:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:17,189 INFO L482 AbstractCegarLoop]: Abstraction has 1677 states and 3906 transitions. [2021-06-05 10:41:17,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 3906 transitions. [2021-06-05 10:41:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:17,191 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:17,191 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:17,191 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-06-05 10:41:17,191 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 10:41:17,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:17,191 INFO L82 PathProgramCache]: Analyzing trace with hash -49084269, now seen corresponding path program 214 times [2021-06-05 10:41:17,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:17,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274011136] [2021-06-05 10:41:17,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:41:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:41:17,778 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:41:17,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274011136] [2021-06-05 10:41:17,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274011136] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:41:17,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:41:17,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 10:41:17,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198934620] [2021-06-05 10:41:17,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 10:41:17,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:41:17,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 10:41:17,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-05 10:41:17,780 INFO L87 Difference]: Start difference. First operand 1677 states and 3906 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:20,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:41:20,381 INFO L93 Difference]: Finished difference Result 2123 states and 4884 transitions. [2021-06-05 10:41:20,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 10:41:20,382 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-06-05 10:41:20,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:41:20,383 INFO L225 Difference]: With dead ends: 2123 [2021-06-05 10:41:20,383 INFO L226 Difference]: Without dead ends: 1628 [2021-06-05 10:41:20,384 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 2360.2ms TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2021-06-05 10:41:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2021-06-05 10:41:20,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1509. [2021-06-05 10:41:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1508 states have (on average 2.273209549071618) internal successors, (3428), 1508 states have internal predecessors, (3428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 3428 transitions. [2021-06-05 10:41:20,396 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 3428 transitions. Word has length 119 [2021-06-05 10:41:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:41:20,396 INFO L482 AbstractCegarLoop]: Abstraction has 1509 states and 3428 transitions. [2021-06-05 10:41:20,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:41:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 3428 transitions. [2021-06-05 10:41:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-06-05 10:41:20,398 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:41:20,398 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:41:20,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-06-05 10:41:20,398 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 10:41:20,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:41:20,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1185893297, now seen corresponding path program 215 times [2021-06-05 10:41:20,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:41:20,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311763218] [2021-06-05 10:41:20,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:41:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-06-05 10:41:20,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-06-05 10:41:20,886 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 10:41:20,887 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:41:20,888 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 10:41:20,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:41:20 BasicIcfg [2021-06-05 10:41:20,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:41:20,889 INFO L168 Benchmark]: Toolchain (without parser) took 741019.58 ms. Allocated memory was 339.7 MB in the beginning and 1.3 GB in the end (delta: 985.7 MB). Free memory was 300.5 MB in the beginning and 872.1 MB in the end (delta: -571.6 MB). Peak memory consumption was 416.9 MB. Max. memory is 16.0 GB. [2021-06-05 10:41:20,889 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 339.7 MB. Free memory is still 320.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:41:20,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.60 ms. Allocated memory is still 339.7 MB. Free memory was 300.2 MB in the beginning and 280.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:41:20,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.32 ms. Allocated memory is still 339.7 MB. Free memory was 280.7 MB in the beginning and 277.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:41:20,889 INFO L168 Benchmark]: Boogie Preprocessor took 28.77 ms. Allocated memory is still 339.7 MB. Free memory was 277.5 MB in the beginning and 274.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:41:20,889 INFO L168 Benchmark]: RCFGBuilder took 633.56 ms. Allocated memory is still 339.7 MB. Free memory was 274.4 MB in the beginning and 226.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:41:20,889 INFO L168 Benchmark]: TraceAbstraction took 739534.65 ms. Allocated memory was 339.7 MB in the beginning and 1.3 GB in the end (delta: 985.7 MB). Free memory was 225.1 MB in the beginning and 872.1 MB in the end (delta: -647.0 MB). Peak memory consumption was 338.7 MB. Max. memory is 16.0 GB. [2021-06-05 10:41:20,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 339.7 MB. Free memory is still 320.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 756.60 ms. Allocated memory is still 339.7 MB. Free memory was 300.2 MB in the beginning and 280.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.32 ms. Allocated memory is still 339.7 MB. Free memory was 280.7 MB in the beginning and 277.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.77 ms. Allocated memory is still 339.7 MB. Free memory was 277.5 MB in the beginning and 274.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 633.56 ms. Allocated memory is still 339.7 MB. Free memory was 274.4 MB in the beginning and 226.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 739534.65 ms. Allocated memory was 339.7 MB in the beginning and 1.3 GB in the end (delta: 985.7 MB). Free memory was 225.1 MB in the beginning and 872.1 MB in the end (delta: -647.0 MB). Peak memory consumption was 338.7 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 analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - 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 analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - 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 analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 23 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 176 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 739430.0ms, OverallIterations: 257, TraceHistogramMax: 1, EmptinessCheckTime: 818.0ms, AutomataDifference: 583237.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 237.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 49539 SDtfs, 230991 SDslu, 576541 SDs, 0 SdLazy, 336841 SolverSat, 23505 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146130.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13870 GetRequests, 796 SyntacticMatches, 519 SemanticMatches, 12555 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114984 ImplicationChecksByTransitivity, 502561.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8253occurred in iteration=4, InterpolantAutomatonStates: 7829, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 12035.6ms AutomataMinimizationTime, 256 MinimizatonAttempts, 209245 StatesRemovedByMinimization, 250 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 363.7ms SsaConstructionTime, 3445.5ms SatisfiabilityAnalysisTime, 136919.3ms InterpolantComputationTime, 29955 NumberOfCodeBlocks, 29955 NumberOfCodeBlocksAsserted, 256 NumberOfCheckSat, 29699 ConstructedInterpolants, 0 QuantifiedInterpolants, 624078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 256 InterpolantComputations, 256 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