/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 17:52:08,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 17:52:08,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 17:52:08,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 17:52:08,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 17:52:08,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 17:52:08,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 17:52:08,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 17:52:08,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 17:52:08,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 17:52:08,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 17:52:08,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 17:52:08,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 17:52:08,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 17:52:08,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 17:52:08,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 17:52:08,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 17:52:08,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 17:52:08,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 17:52:08,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 17:52:08,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 17:52:08,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 17:52:08,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 17:52:08,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 17:52:08,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 17:52:08,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 17:52:08,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 17:52:08,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 17:52:08,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 17:52:08,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 17:52:08,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 17:52:08,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 17:52:08,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 17:52:08,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 17:52:08,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 17:52:08,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 17:52:08,419 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.epf [2021-01-26 17:52:08,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 17:52:08,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 17:52:08,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 17:52:08,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 17:52:08,450 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 17:52:08,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 17:52:08,451 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 17:52:08,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 17:52:08,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 17:52:08,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 17:52:08,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 17:52:08,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 17:52:08,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 17:52:08,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 17:52:08,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 17:52:08,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 17:52:08,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 17:52:08,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 17:52:08,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 17:52:08,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 17:52:08,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 17:52:08,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 17:52:08,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 17:52:08,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 17:52:08,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 17:52:08,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 17:52:08,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 17:52:08,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 17:52:08,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 17:52:08,457 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 17:52:08,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 17:52:08,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 17:52:08,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 17:52:08,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 17:52:08,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 17:52:08,943 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 17:52:08,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-01-26 17:52:09,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0a75a84/e3761154e4734f89b137f5711d9337e0/FLAG7f297515a [2021-01-26 17:52:09,828 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 17:52:09,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-01-26 17:52:09,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0a75a84/e3761154e4734f89b137f5711d9337e0/FLAG7f297515a [2021-01-26 17:52:10,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0a75a84/e3761154e4734f89b137f5711d9337e0 [2021-01-26 17:52:10,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 17:52:10,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 17:52:10,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 17:52:10,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 17:52:10,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 17:52:10,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:52:10" (1/1) ... [2021-01-26 17:52:10,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f62f179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:10, skipping insertion in model container [2021-01-26 17:52:10,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:52:10" (1/1) ... [2021-01-26 17:52:10,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 17:52:10,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 17:52:11,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:52:11,048 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 17:52:11,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:52:11,506 INFO L208 MainTranslator]: Completed translation [2021-01-26 17:52:11,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11 WrapperNode [2021-01-26 17:52:11,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 17:52:11,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 17:52:11,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 17:52:11,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 17:52:11,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 17:52:11,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 17:52:11,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 17:52:11,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 17:52:11,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (1/1) ... [2021-01-26 17:52:11,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 17:52:11,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 17:52:11,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 17:52:11,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 17:52:11,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (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 [2021-01-26 17:52:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 17:52:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 17:52:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 17:52:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-26 17:52:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 17:52:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 17:52:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-01-26 17:52:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-01-26 17:52:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 17:52:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 17:52:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 17:52:11,742 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 17:52:12,818 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 17:52:12,818 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2021-01-26 17:52:12,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:52:12 BoogieIcfgContainer [2021-01-26 17:52:12,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 17:52:12,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 17:52:12,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 17:52:12,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 17:52:12,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:52:10" (1/3) ... [2021-01-26 17:52:12,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6951dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:52:12, skipping insertion in model container [2021-01-26 17:52:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:11" (2/3) ... [2021-01-26 17:52:12,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6951dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:52:12, skipping insertion in model container [2021-01-26 17:52:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:52:12" (3/3) ... [2021-01-26 17:52:12,830 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-01-26 17:52:12,847 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 17:52:12,847 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 17:52:12,851 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-26 17:52:12,852 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 17:52:12,905 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,905 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,906 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,906 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,913 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,914 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,914 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,915 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,916 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,916 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,916 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,917 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,917 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,917 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,917 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,918 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,919 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,920 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,920 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,920 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,920 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,920 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,921 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,921 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,921 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,922 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,922 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,922 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,923 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,923 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,923 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,923 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,923 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,929 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,929 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,930 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,930 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,930 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,932 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,933 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,933 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,933 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,933 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,933 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,934 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,934 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,934 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,935 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,935 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,936 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,936 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,936 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,936 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,938 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,939 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,940 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,940 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,940 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,940 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,940 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,941 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,946 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,947 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,947 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,948 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,948 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,948 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:12,959 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-26 17:52:12,972 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-01-26 17:52:12,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 17:52:12,995 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 17:52:12,996 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 17:52:12,996 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 17:52:12,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 17:52:12,996 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 17:52:12,996 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 17:52:12,996 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 17:52:13,015 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 189 transitions, 400 flow [2021-01-26 17:52:13,594 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10453 states, 10442 states have (on average 2.894560429036583) internal successors, (30225), 10452 states have internal predecessors, (30225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 10453 states, 10442 states have (on average 2.894560429036583) internal successors, (30225), 10452 states have internal predecessors, (30225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-26 17:52:13,659 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:13,660 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:13,660 INFO L429 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]=== [2021-01-26 17:52:13,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:13,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1096708820, now seen corresponding path program 1 times [2021-01-26 17:52:13,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:13,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944397083] [2021-01-26 17:52:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:14,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944397083] [2021-01-26 17:52:14,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:14,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:52:14,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266153642] [2021-01-26 17:52:14,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:52:14,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:14,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:52:14,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:52:14,287 INFO L87 Difference]: Start difference. First operand has 10453 states, 10442 states have (on average 2.894560429036583) internal successors, (30225), 10452 states have internal predecessors, (30225), 0 states have call successors, (0), 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 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:14,797 INFO L93 Difference]: Finished difference Result 9542 states and 26721 transitions. [2021-01-26 17:52:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:52:14,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-01-26 17:52:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:14,877 INFO L225 Difference]: With dead ends: 9542 [2021-01-26 17:52:14,877 INFO L226 Difference]: Without dead ends: 7950 [2021-01-26 17:52:14,878 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:52:14,879 INFO L78 Accepts]: Start accepts. Automaton has 7950 states. Word has length 38 [2021-01-26 17:52:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:14,880 INFO L481 AbstractCegarLoop]: Abstraction has 7950 states. [2021-01-26 17:52:14,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7950 states. [2021-01-26 17:52:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-26 17:52:14,883 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:14,883 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:14,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 17:52:14,884 INFO L429 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]=== [2021-01-26 17:52:14,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:14,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1273343855, now seen corresponding path program 1 times [2021-01-26 17:52:14,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:14,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398390661] [2021-01-26 17:52:14,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:15,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398390661] [2021-01-26 17:52:15,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:15,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:52:15,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445763692] [2021-01-26 17:52:15,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:52:15,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:15,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:52:15,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:52:15,039 INFO L87 Difference]: Start difference. First operand 7950 states. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:15,312 INFO L93 Difference]: Finished difference Result 7949 states and 22188 transitions. [2021-01-26 17:52:15,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-26 17:52:15,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-01-26 17:52:15,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:15,365 INFO L225 Difference]: With dead ends: 7949 [2021-01-26 17:52:15,365 INFO L226 Difference]: Without dead ends: 7949 [2021-01-26 17:52:15,366 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-01-26 17:52:15,366 INFO L78 Accepts]: Start accepts. Automaton has 7949 states. Word has length 44 [2021-01-26 17:52:15,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:15,367 INFO L481 AbstractCegarLoop]: Abstraction has 7949 states. [2021-01-26 17:52:15,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 7949 states. [2021-01-26 17:52:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-26 17:52:15,373 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:15,374 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:15,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 17:52:15,374 INFO L429 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]=== [2021-01-26 17:52:15,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:15,375 INFO L82 PathProgramCache]: Analyzing trace with hash -5672587, now seen corresponding path program 1 times [2021-01-26 17:52:15,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:15,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900674856] [2021-01-26 17:52:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:15,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900674856] [2021-01-26 17:52:15,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:15,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:52:15,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299281494] [2021-01-26 17:52:15,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:52:15,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:15,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:52:15,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:52:15,578 INFO L87 Difference]: Start difference. First operand 7949 states. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:16,054 INFO L93 Difference]: Finished difference Result 11392 states and 31674 transitions. [2021-01-26 17:52:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-26 17:52:16,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-01-26 17:52:16,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:16,098 INFO L225 Difference]: With dead ends: 11392 [2021-01-26 17:52:16,098 INFO L226 Difference]: Without dead ends: 11392 [2021-01-26 17:52:16,099 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-01-26 17:52:16,099 INFO L78 Accepts]: Start accepts. Automaton has 11392 states. Word has length 62 [2021-01-26 17:52:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:16,100 INFO L481 AbstractCegarLoop]: Abstraction has 11392 states. [2021-01-26 17:52:16,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 11392 states. [2021-01-26 17:52:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-26 17:52:16,108 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:16,109 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:16,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 17:52:16,109 INFO L429 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]=== [2021-01-26 17:52:16,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:16,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1235337706, now seen corresponding path program 1 times [2021-01-26 17:52:16,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:16,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868693073] [2021-01-26 17:52:16,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:16,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868693073] [2021-01-26 17:52:16,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:16,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:52:16,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088757142] [2021-01-26 17:52:16,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:52:16,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:16,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:52:16,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:52:16,396 INFO L87 Difference]: Start difference. First operand 11392 states. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:16,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:16,817 INFO L93 Difference]: Finished difference Result 13676 states and 37732 transitions. [2021-01-26 17:52:16,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-26 17:52:16,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-01-26 17:52:16,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:16,850 INFO L225 Difference]: With dead ends: 13676 [2021-01-26 17:52:16,851 INFO L226 Difference]: Without dead ends: 11060 [2021-01-26 17:52:16,852 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-26 17:52:16,852 INFO L78 Accepts]: Start accepts. Automaton has 11060 states. Word has length 68 [2021-01-26 17:52:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:16,852 INFO L481 AbstractCegarLoop]: Abstraction has 11060 states. [2021-01-26 17:52:16,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states. [2021-01-26 17:52:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-26 17:52:16,868 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:16,869 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:16,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 17:52:16,871 INFO L429 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]=== [2021-01-26 17:52:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:16,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1925007935, now seen corresponding path program 1 times [2021-01-26 17:52:16,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:16,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966652384] [2021-01-26 17:52:16,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:17,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966652384] [2021-01-26 17:52:17,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:17,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-26 17:52:17,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137863834] [2021-01-26 17:52:17,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-26 17:52:17,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:17,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-26 17:52:17,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-26 17:52:17,054 INFO L87 Difference]: Start difference. First operand 11060 states. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:17,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:17,169 INFO L93 Difference]: Finished difference Result 3192 states and 8610 transitions. [2021-01-26 17:52:17,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-26 17:52:17,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-01-26 17:52:17,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:17,177 INFO L225 Difference]: With dead ends: 3192 [2021-01-26 17:52:17,177 INFO L226 Difference]: Without dead ends: 3192 [2021-01-26 17:52:17,178 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-26 17:52:17,178 INFO L78 Accepts]: Start accepts. Automaton has 3192 states. Word has length 76 [2021-01-26 17:52:17,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:17,179 INFO L481 AbstractCegarLoop]: Abstraction has 3192 states. [2021-01-26 17:52:17,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:17,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states. [2021-01-26 17:52:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:17,188 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:17,188 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:17,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-26 17:52:17,189 INFO L429 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]=== [2021-01-26 17:52:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:17,189 INFO L82 PathProgramCache]: Analyzing trace with hash -416784101, now seen corresponding path program 1 times [2021-01-26 17:52:17,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:17,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281576782] [2021-01-26 17:52:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:18,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281576782] [2021-01-26 17:52:18,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:18,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:52:18,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180385482] [2021-01-26 17:52:18,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:52:18,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:18,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:52:18,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:52:18,106 INFO L87 Difference]: Start difference. First operand 3192 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:24,647 INFO L93 Difference]: Finished difference Result 8317 states and 22364 transitions. [2021-01-26 17:52:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-01-26 17:52:24,648 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:24,665 INFO L225 Difference]: With dead ends: 8317 [2021-01-26 17:52:24,665 INFO L226 Difference]: Without dead ends: 8227 [2021-01-26 17:52:24,668 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1685, Invalid=3427, Unknown=0, NotChecked=0, Total=5112 [2021-01-26 17:52:24,668 INFO L78 Accepts]: Start accepts. Automaton has 8227 states. Word has length 110 [2021-01-26 17:52:24,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:24,671 INFO L481 AbstractCegarLoop]: Abstraction has 8227 states. [2021-01-26 17:52:24,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 8227 states. [2021-01-26 17:52:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:24,697 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:24,697 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:24,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-26 17:52:24,698 INFO L429 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]=== [2021-01-26 17:52:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:24,698 INFO L82 PathProgramCache]: Analyzing trace with hash -2066993775, now seen corresponding path program 1 times [2021-01-26 17:52:24,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:24,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750580554] [2021-01-26 17:52:24,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:25,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750580554] [2021-01-26 17:52:25,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:25,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:52:25,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950104761] [2021-01-26 17:52:25,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:52:25,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:25,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:52:25,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:52:25,629 INFO L87 Difference]: Start difference. First operand 8227 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:27,006 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:52:27,341 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-26 17:52:27,530 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-26 17:52:27,749 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-01-26 17:52:28,056 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-01-26 17:52:28,374 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-01-26 17:52:28,716 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-01-26 17:52:29,068 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-01-26 17:52:29,454 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2021-01-26 17:52:29,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:29,921 INFO L93 Difference]: Finished difference Result 9496 states and 25283 transitions. [2021-01-26 17:52:29,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 17:52:29,922 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:29,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:29,939 INFO L225 Difference]: With dead ends: 9496 [2021-01-26 17:52:29,939 INFO L226 Difference]: Without dead ends: 9496 [2021-01-26 17:52:29,940 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=463, Invalid=1607, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 17:52:29,940 INFO L78 Accepts]: Start accepts. Automaton has 9496 states. Word has length 110 [2021-01-26 17:52:29,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:29,941 INFO L481 AbstractCegarLoop]: Abstraction has 9496 states. [2021-01-26 17:52:29,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 9496 states. [2021-01-26 17:52:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:29,960 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:29,960 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:29,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-26 17:52:29,961 INFO L429 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]=== [2021-01-26 17:52:29,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:29,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1942843745, now seen corresponding path program 2 times [2021-01-26 17:52:29,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:29,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340053883] [2021-01-26 17:52:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:30,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340053883] [2021-01-26 17:52:30,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:30,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:52:30,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827711700] [2021-01-26 17:52:30,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:52:30,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:30,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:52:30,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:52:30,704 INFO L87 Difference]: Start difference. First operand 9496 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:32,182 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-01-26 17:52:32,528 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-26 17:52:32,666 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-26 17:52:32,785 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-26 17:52:32,926 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-26 17:52:33,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:33,072 INFO L93 Difference]: Finished difference Result 12017 states and 31227 transitions. [2021-01-26 17:52:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-26 17:52:33,073 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:33,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:33,094 INFO L225 Difference]: With dead ends: 12017 [2021-01-26 17:52:33,095 INFO L226 Difference]: Without dead ends: 12017 [2021-01-26 17:52:33,096 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=311, Invalid=745, Unknown=0, NotChecked=0, Total=1056 [2021-01-26 17:52:33,096 INFO L78 Accepts]: Start accepts. Automaton has 12017 states. Word has length 110 [2021-01-26 17:52:33,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:33,096 INFO L481 AbstractCegarLoop]: Abstraction has 12017 states. [2021-01-26 17:52:33,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12017 states. [2021-01-26 17:52:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:33,124 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:33,125 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:33,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-26 17:52:33,125 INFO L429 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]=== [2021-01-26 17:52:33,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:33,126 INFO L82 PathProgramCache]: Analyzing trace with hash -831207169, now seen corresponding path program 3 times [2021-01-26 17:52:33,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:33,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960444498] [2021-01-26 17:52:33,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:33,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960444498] [2021-01-26 17:52:33,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:33,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:52:33,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434022931] [2021-01-26 17:52:33,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:52:33,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:52:33,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:52:33,894 INFO L87 Difference]: Start difference. First operand 12017 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:36,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:36,077 INFO L93 Difference]: Finished difference Result 13310 states and 33862 transitions. [2021-01-26 17:52:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:52:36,078 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:36,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:36,102 INFO L225 Difference]: With dead ends: 13310 [2021-01-26 17:52:36,102 INFO L226 Difference]: Without dead ends: 13310 [2021-01-26 17:52:36,103 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:52:36,103 INFO L78 Accepts]: Start accepts. Automaton has 13310 states. Word has length 110 [2021-01-26 17:52:36,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:36,103 INFO L481 AbstractCegarLoop]: Abstraction has 13310 states. [2021-01-26 17:52:36,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 13310 states. [2021-01-26 17:52:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:36,131 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:36,131 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:36,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-26 17:52:36,132 INFO L429 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]=== [2021-01-26 17:52:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:36,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1667110431, now seen corresponding path program 4 times [2021-01-26 17:52:36,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:36,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378429693] [2021-01-26 17:52:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:36,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378429693] [2021-01-26 17:52:36,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:36,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:52:36,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873576007] [2021-01-26 17:52:36,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:52:36,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:36,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:52:36,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:52:36,843 INFO L87 Difference]: Start difference. First operand 13310 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:37,960 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-26 17:52:38,203 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-01-26 17:52:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:39,194 INFO L93 Difference]: Finished difference Result 14020 states and 35297 transitions. [2021-01-26 17:52:39,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:52:39,195 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:39,219 INFO L225 Difference]: With dead ends: 14020 [2021-01-26 17:52:39,219 INFO L226 Difference]: Without dead ends: 14020 [2021-01-26 17:52:39,221 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:52:39,222 INFO L78 Accepts]: Start accepts. Automaton has 14020 states. Word has length 110 [2021-01-26 17:52:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:39,222 INFO L481 AbstractCegarLoop]: Abstraction has 14020 states. [2021-01-26 17:52:39,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 14020 states. [2021-01-26 17:52:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:39,252 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:39,253 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:39,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-26 17:52:39,253 INFO L429 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]=== [2021-01-26 17:52:39,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:39,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1510430157, now seen corresponding path program 5 times [2021-01-26 17:52:39,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:39,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439355726] [2021-01-26 17:52:39,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:40,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439355726] [2021-01-26 17:52:40,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:40,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:52:40,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688478977] [2021-01-26 17:52:40,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:52:40,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:40,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:52:40,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:52:40,250 INFO L87 Difference]: Start difference. First operand 14020 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:41,615 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:52:42,023 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-26 17:52:42,194 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:52:42,405 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:52:42,708 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:52:43,073 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:52:43,454 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-01-26 17:52:43,900 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-01-26 17:52:44,342 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-01-26 17:52:44,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:44,857 INFO L93 Difference]: Finished difference Result 15473 states and 38451 transitions. [2021-01-26 17:52:44,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 17:52:44,858 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:44,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:44,879 INFO L225 Difference]: With dead ends: 15473 [2021-01-26 17:52:44,879 INFO L226 Difference]: Without dead ends: 15473 [2021-01-26 17:52:44,881 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=463, Invalid=1607, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 17:52:44,881 INFO L78 Accepts]: Start accepts. Automaton has 15473 states. Word has length 110 [2021-01-26 17:52:44,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:44,881 INFO L481 AbstractCegarLoop]: Abstraction has 15473 states. [2021-01-26 17:52:44,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15473 states. [2021-01-26 17:52:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:44,904 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:44,904 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:44,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-26 17:52:44,905 INFO L429 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]=== [2021-01-26 17:52:44,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:44,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1888159601, now seen corresponding path program 6 times [2021-01-26 17:52:44,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:44,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784856295] [2021-01-26 17:52:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:45,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784856295] [2021-01-26 17:52:45,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:45,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:52:45,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778050633] [2021-01-26 17:52:45,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:52:45,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:45,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:52:45,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:52:45,624 INFO L87 Difference]: Start difference. First operand 15473 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:46,614 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-26 17:52:47,655 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-26 17:52:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:48,158 INFO L93 Difference]: Finished difference Result 21881 states and 52071 transitions. [2021-01-26 17:52:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:52:48,159 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:48,180 INFO L225 Difference]: With dead ends: 21881 [2021-01-26 17:52:48,180 INFO L226 Difference]: Without dead ends: 21881 [2021-01-26 17:52:48,181 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:52:48,181 INFO L78 Accepts]: Start accepts. Automaton has 21881 states. Word has length 110 [2021-01-26 17:52:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:48,181 INFO L481 AbstractCegarLoop]: Abstraction has 21881 states. [2021-01-26 17:52:48,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 21881 states. [2021-01-26 17:52:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:48,202 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:48,202 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:48,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-26 17:52:48,203 INFO L429 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]=== [2021-01-26 17:52:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:48,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1997630803, now seen corresponding path program 7 times [2021-01-26 17:52:48,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:48,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62017226] [2021-01-26 17:52:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:49,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62017226] [2021-01-26 17:52:49,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:49,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:52:49,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035822998] [2021-01-26 17:52:49,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:52:49,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:49,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:52:49,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:52:49,049 INFO L87 Difference]: Start difference. First operand 21881 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:50,428 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:52:50,757 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-26 17:52:50,947 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:52:51,178 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:52:51,490 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:52:51,999 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:52:52,426 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:52:52,890 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2021-01-26 17:52:53,281 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:52:53,786 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:52:54,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:54,377 INFO L93 Difference]: Finished difference Result 23893 states and 56387 transitions. [2021-01-26 17:52:54,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-26 17:52:54,378 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:54,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:54,408 INFO L225 Difference]: With dead ends: 23893 [2021-01-26 17:52:54,408 INFO L226 Difference]: Without dead ends: 23893 [2021-01-26 17:52:54,409 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=493, Invalid=1669, Unknown=0, NotChecked=0, Total=2162 [2021-01-26 17:52:54,409 INFO L78 Accepts]: Start accepts. Automaton has 23893 states. Word has length 110 [2021-01-26 17:52:54,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:54,410 INFO L481 AbstractCegarLoop]: Abstraction has 23893 states. [2021-01-26 17:52:54,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 23893 states. [2021-01-26 17:52:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:54,445 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:54,445 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:54,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-26 17:52:54,446 INFO L429 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]=== [2021-01-26 17:52:54,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:54,446 INFO L82 PathProgramCache]: Analyzing trace with hash 628859475, now seen corresponding path program 8 times [2021-01-26 17:52:54,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:54,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025790576] [2021-01-26 17:52:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:55,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025790576] [2021-01-26 17:52:55,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:55,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:52:55,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113573763] [2021-01-26 17:52:55,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:52:55,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:52:55,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:52:55,170 INFO L87 Difference]: Start difference. First operand 23893 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:56,202 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-01-26 17:52:56,441 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-26 17:52:57,238 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-26 17:52:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:57,588 INFO L93 Difference]: Finished difference Result 29069 states and 66666 transitions. [2021-01-26 17:52:57,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:52:57,588 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:52:57,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:57,613 INFO L225 Difference]: With dead ends: 29069 [2021-01-26 17:52:57,614 INFO L226 Difference]: Without dead ends: 29069 [2021-01-26 17:52:57,614 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:52:57,614 INFO L78 Accepts]: Start accepts. Automaton has 29069 states. Word has length 110 [2021-01-26 17:52:57,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:57,615 INFO L481 AbstractCegarLoop]: Abstraction has 29069 states. [2021-01-26 17:52:57,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29069 states. [2021-01-26 17:52:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:52:57,648 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:57,648 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:52:57,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-26 17:52:57,649 INFO L429 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]=== [2021-01-26 17:52:57,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:57,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1122040141, now seen corresponding path program 9 times [2021-01-26 17:52:57,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:57,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869081648] [2021-01-26 17:52:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:58,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869081648] [2021-01-26 17:52:58,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:58,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:52:58,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144339275] [2021-01-26 17:52:58,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:52:58,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:58,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:52:58,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:52:58,482 INFO L87 Difference]: Start difference. First operand 29069 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:52:59,877 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:53:00,209 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-26 17:53:00,397 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:53:00,626 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:53:00,927 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:53:01,263 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-26 17:53:01,613 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-26 17:53:02,011 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:53:02,467 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 17:53:02,828 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:53:03,419 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-01-26 17:53:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:04,005 INFO L93 Difference]: Finished difference Result 31834 states and 72676 transitions. [2021-01-26 17:53:04,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-26 17:53:04,006 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:04,037 INFO L225 Difference]: With dead ends: 31834 [2021-01-26 17:53:04,037 INFO L226 Difference]: Without dead ends: 31834 [2021-01-26 17:53:04,038 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=522, Invalid=1734, Unknown=0, NotChecked=0, Total=2256 [2021-01-26 17:53:04,038 INFO L78 Accepts]: Start accepts. Automaton has 31834 states. Word has length 110 [2021-01-26 17:53:04,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:04,038 INFO L481 AbstractCegarLoop]: Abstraction has 31834 states. [2021-01-26 17:53:04,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:04,039 INFO L276 IsEmpty]: Start isEmpty. Operand 31834 states. [2021-01-26 17:53:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:04,070 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:04,070 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:04,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-26 17:53:04,070 INFO L429 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]=== [2021-01-26 17:53:04,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:04,071 INFO L82 PathProgramCache]: Analyzing trace with hash 4919149, now seen corresponding path program 10 times [2021-01-26 17:53:04,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:04,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667801559] [2021-01-26 17:53:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:04,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667801559] [2021-01-26 17:53:04,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:04,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:53:04,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299121698] [2021-01-26 17:53:04,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:53:04,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:04,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:53:04,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:53:04,708 INFO L87 Difference]: Start difference. First operand 31834 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:05,764 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-01-26 17:53:06,003 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-26 17:53:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:06,967 INFO L93 Difference]: Finished difference Result 37787 states and 84599 transitions. [2021-01-26 17:53:06,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:53:06,967 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:06,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:07,003 INFO L225 Difference]: With dead ends: 37787 [2021-01-26 17:53:07,003 INFO L226 Difference]: Without dead ends: 37787 [2021-01-26 17:53:07,004 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=318, Invalid=872, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:53:07,004 INFO L78 Accepts]: Start accepts. Automaton has 37787 states. Word has length 110 [2021-01-26 17:53:07,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:07,004 INFO L481 AbstractCegarLoop]: Abstraction has 37787 states. [2021-01-26 17:53:07,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 37787 states. [2021-01-26 17:53:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:07,063 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:07,064 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:07,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-26 17:53:07,064 INFO L429 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]=== [2021-01-26 17:53:07,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:07,064 INFO L82 PathProgramCache]: Analyzing trace with hash 275129139, now seen corresponding path program 11 times [2021-01-26 17:53:07,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:07,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248992439] [2021-01-26 17:53:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:07,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248992439] [2021-01-26 17:53:07,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:07,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:53:07,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999402174] [2021-01-26 17:53:07,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:53:07,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:07,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:53:07,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:53:07,910 INFO L87 Difference]: Start difference. First operand 37787 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:09,401 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:53:09,745 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-26 17:53:09,937 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:53:10,155 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:53:10,462 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-01-26 17:53:10,774 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-01-26 17:53:11,045 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-01-26 17:53:11,383 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-26 17:53:11,772 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:53:12,226 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:53:12,584 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-01-26 17:53:13,072 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:53:13,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:13,752 INFO L93 Difference]: Finished difference Result 41214 states and 92027 transitions. [2021-01-26 17:53:13,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-26 17:53:13,753 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:13,811 INFO L225 Difference]: With dead ends: 41214 [2021-01-26 17:53:13,811 INFO L226 Difference]: Without dead ends: 41214 [2021-01-26 17:53:13,816 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=550, Invalid=1802, Unknown=0, NotChecked=0, Total=2352 [2021-01-26 17:53:13,816 INFO L78 Accepts]: Start accepts. Automaton has 41214 states. Word has length 110 [2021-01-26 17:53:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:13,816 INFO L481 AbstractCegarLoop]: Abstraction has 41214 states. [2021-01-26 17:53:13,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 41214 states. [2021-01-26 17:53:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:13,871 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:13,871 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:13,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-26 17:53:13,873 INFO L429 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]=== [2021-01-26 17:53:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:13,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1699594421, now seen corresponding path program 12 times [2021-01-26 17:53:13,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:13,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102217609] [2021-01-26 17:53:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:14,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102217609] [2021-01-26 17:53:14,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:14,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:53:14,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828347623] [2021-01-26 17:53:14,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:53:14,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:14,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:53:14,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:53:14,875 INFO L87 Difference]: Start difference. First operand 41214 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:15,966 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-01-26 17:53:16,227 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-26 17:53:17,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:17,191 INFO L93 Difference]: Finished difference Result 47758 states and 105165 transitions. [2021-01-26 17:53:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:53:17,192 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:17,247 INFO L225 Difference]: With dead ends: 47758 [2021-01-26 17:53:17,247 INFO L226 Difference]: Without dead ends: 47758 [2021-01-26 17:53:17,248 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=307, Invalid=883, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:53:17,248 INFO L78 Accepts]: Start accepts. Automaton has 47758 states. Word has length 110 [2021-01-26 17:53:17,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:17,248 INFO L481 AbstractCegarLoop]: Abstraction has 47758 states. [2021-01-26 17:53:17,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 47758 states. [2021-01-26 17:53:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:17,290 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:17,290 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:17,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-26 17:53:17,290 INFO L429 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]=== [2021-01-26 17:53:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:17,291 INFO L82 PathProgramCache]: Analyzing trace with hash -364039085, now seen corresponding path program 13 times [2021-01-26 17:53:17,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:17,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100022539] [2021-01-26 17:53:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:18,341 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:53:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:18,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100022539] [2021-01-26 17:53:18,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:18,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:53:18,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080815360] [2021-01-26 17:53:18,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:53:18,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:18,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:53:18,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:53:18,426 INFO L87 Difference]: Start difference. First operand 47758 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:19,865 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:53:20,379 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:53:20,618 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-01-26 17:53:20,908 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-01-26 17:53:21,137 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2021-01-26 17:53:21,457 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-01-26 17:53:21,722 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-01-26 17:53:22,079 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-26 17:53:22,569 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:53:23,030 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:53:23,395 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-01-26 17:53:23,884 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:53:24,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:24,571 INFO L93 Difference]: Finished difference Result 51189 states and 112643 transitions. [2021-01-26 17:53:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-01-26 17:53:24,572 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:24,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:24,622 INFO L225 Difference]: With dead ends: 51189 [2021-01-26 17:53:24,622 INFO L226 Difference]: Without dead ends: 51189 [2021-01-26 17:53:24,623 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=577, Invalid=1873, Unknown=0, NotChecked=0, Total=2450 [2021-01-26 17:53:24,623 INFO L78 Accepts]: Start accepts. Automaton has 51189 states. Word has length 110 [2021-01-26 17:53:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:24,623 INFO L481 AbstractCegarLoop]: Abstraction has 51189 states. [2021-01-26 17:53:24,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 51189 states. [2021-01-26 17:53:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:24,672 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:24,673 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:24,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-26 17:53:24,673 INFO L429 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]=== [2021-01-26 17:53:24,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:24,673 INFO L82 PathProgramCache]: Analyzing trace with hash -363144553, now seen corresponding path program 14 times [2021-01-26 17:53:24,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:24,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542557898] [2021-01-26 17:53:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:25,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542557898] [2021-01-26 17:53:25,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:25,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:53:25,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257605456] [2021-01-26 17:53:25,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:53:25,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:25,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:53:25,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:53:25,365 INFO L87 Difference]: Start difference. First operand 51189 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:26,449 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-01-26 17:53:26,701 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-26 17:53:27,508 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-01-26 17:53:27,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:27,767 INFO L93 Difference]: Finished difference Result 51526 states and 113131 transitions. [2021-01-26 17:53:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-26 17:53:27,767 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:27,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:27,809 INFO L225 Difference]: With dead ends: 51526 [2021-01-26 17:53:27,809 INFO L226 Difference]: Without dead ends: 51526 [2021-01-26 17:53:27,809 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:53:27,810 INFO L78 Accepts]: Start accepts. Automaton has 51526 states. Word has length 110 [2021-01-26 17:53:27,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:27,810 INFO L481 AbstractCegarLoop]: Abstraction has 51526 states. [2021-01-26 17:53:27,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 51526 states. [2021-01-26 17:53:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:27,849 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:27,849 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:27,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-26 17:53:27,850 INFO L429 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]=== [2021-01-26 17:53:27,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:27,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2054493073, now seen corresponding path program 15 times [2021-01-26 17:53:27,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:27,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821083691] [2021-01-26 17:53:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:28,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821083691] [2021-01-26 17:53:28,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:28,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:53:28,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582108201] [2021-01-26 17:53:28,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:53:28,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:28,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:53:28,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:53:28,793 INFO L87 Difference]: Start difference. First operand 51526 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:30,237 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-26 17:53:30,590 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-01-26 17:53:30,769 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-26 17:53:30,995 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-01-26 17:53:31,195 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2021-01-26 17:53:31,427 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-01-26 17:53:31,787 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-01-26 17:53:32,119 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-01-26 17:53:32,372 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-01-26 17:53:32,749 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-26 17:53:33,049 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2021-01-26 17:53:33,448 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-01-26 17:53:33,889 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:53:34,415 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 17:53:34,830 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-01-26 17:53:35,341 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-01-26 17:53:36,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:36,061 INFO L93 Difference]: Finished difference Result 44665 states and 95963 transitions. [2021-01-26 17:53:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-26 17:53:36,065 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:36,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:36,115 INFO L225 Difference]: With dead ends: 44665 [2021-01-26 17:53:36,116 INFO L226 Difference]: Without dead ends: 44665 [2021-01-26 17:53:36,117 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=659, Invalid=2097, Unknown=0, NotChecked=0, Total=2756 [2021-01-26 17:53:36,117 INFO L78 Accepts]: Start accepts. Automaton has 44665 states. Word has length 110 [2021-01-26 17:53:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:36,117 INFO L481 AbstractCegarLoop]: Abstraction has 44665 states. [2021-01-26 17:53:36,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 44665 states. [2021-01-26 17:53:36,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:36,169 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:36,169 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:36,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-26 17:53:36,170 INFO L429 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]=== [2021-01-26 17:53:36,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:36,170 INFO L82 PathProgramCache]: Analyzing trace with hash 104744667, now seen corresponding path program 2 times [2021-01-26 17:53:36,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:36,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823364269] [2021-01-26 17:53:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:36,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823364269] [2021-01-26 17:53:36,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:36,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:53:36,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643484690] [2021-01-26 17:53:36,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:53:36,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:36,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:53:36,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:53:36,965 INFO L87 Difference]: Start difference. First operand 44665 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:41,441 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-26 17:53:41,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:41,736 INFO L93 Difference]: Finished difference Result 58314 states and 127080 transitions. [2021-01-26 17:53:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-01-26 17:53:41,737 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:41,782 INFO L225 Difference]: With dead ends: 58314 [2021-01-26 17:53:41,782 INFO L226 Difference]: Without dead ends: 56563 [2021-01-26 17:53:41,783 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1041, Invalid=2151, Unknown=0, NotChecked=0, Total=3192 [2021-01-26 17:53:41,783 INFO L78 Accepts]: Start accepts. Automaton has 56563 states. Word has length 110 [2021-01-26 17:53:41,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:41,784 INFO L481 AbstractCegarLoop]: Abstraction has 56563 states. [2021-01-26 17:53:41,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 56563 states. [2021-01-26 17:53:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:41,829 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:41,830 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:41,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-26 17:53:41,830 INFO L429 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]=== [2021-01-26 17:53:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:41,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1545465007, now seen corresponding path program 16 times [2021-01-26 17:53:41,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:41,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215090610] [2021-01-26 17:53:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:42,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215090610] [2021-01-26 17:53:42,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:42,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:53:42,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530249351] [2021-01-26 17:53:42,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:53:42,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:42,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:53:42,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:53:42,588 INFO L87 Difference]: Start difference. First operand 56563 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:44,168 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:53:44,372 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:53:44,628 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:53:44,996 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:53:45,342 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-01-26 17:53:45,787 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:53:46,336 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:53:46,801 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 17:53:47,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:47,462 INFO L93 Difference]: Finished difference Result 69833 states and 151992 transitions. [2021-01-26 17:53:47,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:53:47,463 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:47,534 INFO L225 Difference]: With dead ends: 69833 [2021-01-26 17:53:47,534 INFO L226 Difference]: Without dead ends: 69833 [2021-01-26 17:53:47,535 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:53:47,535 INFO L78 Accepts]: Start accepts. Automaton has 69833 states. Word has length 110 [2021-01-26 17:53:47,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:47,536 INFO L481 AbstractCegarLoop]: Abstraction has 69833 states. [2021-01-26 17:53:47,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 69833 states. [2021-01-26 17:53:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:47,599 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:47,599 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:47,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-26 17:53:47,599 INFO L429 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]=== [2021-01-26 17:53:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:47,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1615126061, now seen corresponding path program 17 times [2021-01-26 17:53:47,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:47,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169850142] [2021-01-26 17:53:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:48,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169850142] [2021-01-26 17:53:48,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:48,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:53:48,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479831024] [2021-01-26 17:53:48,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:53:48,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:48,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:53:48,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:53:48,467 INFO L87 Difference]: Start difference. First operand 69833 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:50,039 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:53:50,251 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:53:50,656 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:53:51,024 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:53:51,374 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-01-26 17:53:51,826 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:53:52,300 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-01-26 17:53:52,773 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-01-26 17:53:53,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:53,471 INFO L93 Difference]: Finished difference Result 68477 states and 148008 transitions. [2021-01-26 17:53:53,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:53:53,472 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:53,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:53,542 INFO L225 Difference]: With dead ends: 68477 [2021-01-26 17:53:53,542 INFO L226 Difference]: Without dead ends: 68477 [2021-01-26 17:53:53,543 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:53:53,543 INFO L78 Accepts]: Start accepts. Automaton has 68477 states. Word has length 110 [2021-01-26 17:53:53,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:53,543 INFO L481 AbstractCegarLoop]: Abstraction has 68477 states. [2021-01-26 17:53:53,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 68477 states. [2021-01-26 17:53:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:53,604 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:53,604 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:53,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-26 17:53:53,604 INFO L429 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]=== [2021-01-26 17:53:53,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:53,605 INFO L82 PathProgramCache]: Analyzing trace with hash -387330767, now seen corresponding path program 18 times [2021-01-26 17:53:53,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:53,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959003766] [2021-01-26 17:53:53,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:53:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:53:54,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959003766] [2021-01-26 17:53:54,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:53:54,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:53:54,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496212828] [2021-01-26 17:53:54,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:53:54,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:53:54,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:53:54,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:53:54,568 INFO L87 Difference]: Start difference. First operand 68477 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:56,154 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:53:56,360 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:53:56,619 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:53:56,984 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:53:57,341 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-01-26 17:53:57,718 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-01-26 17:53:58,191 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2021-01-26 17:53:58,658 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-01-26 17:53:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:53:59,406 INFO L93 Difference]: Finished difference Result 65994 states and 141461 transitions. [2021-01-26 17:53:59,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:53:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:53:59,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:53:59,476 INFO L225 Difference]: With dead ends: 65994 [2021-01-26 17:53:59,476 INFO L226 Difference]: Without dead ends: 65994 [2021-01-26 17:53:59,477 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:53:59,477 INFO L78 Accepts]: Start accepts. Automaton has 65994 states. Word has length 110 [2021-01-26 17:53:59,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:53:59,477 INFO L481 AbstractCegarLoop]: Abstraction has 65994 states. [2021-01-26 17:53:59,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:53:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 65994 states. [2021-01-26 17:53:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:53:59,549 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:53:59,549 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:53:59,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-26 17:53:59,549 INFO L429 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]=== [2021-01-26 17:53:59,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:53:59,550 INFO L82 PathProgramCache]: Analyzing trace with hash 633172223, now seen corresponding path program 19 times [2021-01-26 17:53:59,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:53:59,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463194274] [2021-01-26 17:53:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:53:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:00,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463194274] [2021-01-26 17:54:00,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:00,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:54:00,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570353638] [2021-01-26 17:54:00,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:54:00,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:00,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:54:00,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:54:00,241 INFO L87 Difference]: Start difference. First operand 65994 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:01,508 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-26 17:54:01,775 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-01-26 17:54:02,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:02,871 INFO L93 Difference]: Finished difference Result 70901 states and 151174 transitions. [2021-01-26 17:54:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:54:02,872 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:02,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:02,938 INFO L225 Difference]: With dead ends: 70901 [2021-01-26 17:54:02,938 INFO L226 Difference]: Without dead ends: 70901 [2021-01-26 17:54:02,938 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=318, Invalid=872, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:54:02,938 INFO L78 Accepts]: Start accepts. Automaton has 70901 states. Word has length 110 [2021-01-26 17:54:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:02,939 INFO L481 AbstractCegarLoop]: Abstraction has 70901 states. [2021-01-26 17:54:02,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 70901 states. [2021-01-26 17:54:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:03,209 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:03,210 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:03,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-26 17:54:03,210 INFO L429 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]=== [2021-01-26 17:54:03,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:03,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1837174887, now seen corresponding path program 3 times [2021-01-26 17:54:03,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:03,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227925993] [2021-01-26 17:54:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:04,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227925993] [2021-01-26 17:54:04,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:04,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:54:04,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503564606] [2021-01-26 17:54:04,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:54:04,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:04,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:54:04,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:54:04,119 INFO L87 Difference]: Start difference. First operand 70901 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:08,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:08,659 INFO L93 Difference]: Finished difference Result 80144 states and 171265 transitions. [2021-01-26 17:54:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-01-26 17:54:08,660 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:08,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:08,735 INFO L225 Difference]: With dead ends: 80144 [2021-01-26 17:54:08,735 INFO L226 Difference]: Without dead ends: 78717 [2021-01-26 17:54:08,736 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1073, Invalid=2233, Unknown=0, NotChecked=0, Total=3306 [2021-01-26 17:54:08,736 INFO L78 Accepts]: Start accepts. Automaton has 78717 states. Word has length 110 [2021-01-26 17:54:08,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:08,737 INFO L481 AbstractCegarLoop]: Abstraction has 78717 states. [2021-01-26 17:54:08,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 78717 states. [2021-01-26 17:54:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:08,934 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:08,934 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:08,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-26 17:54:08,935 INFO L429 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]=== [2021-01-26 17:54:08,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:08,935 INFO L82 PathProgramCache]: Analyzing trace with hash 807582735, now seen corresponding path program 20 times [2021-01-26 17:54:08,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:08,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283885514] [2021-01-26 17:54:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:09,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283885514] [2021-01-26 17:54:09,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:09,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:09,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113200445] [2021-01-26 17:54:09,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:09,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:09,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:09,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:09,833 INFO L87 Difference]: Start difference. First operand 78717 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:11,491 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:11,701 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:11,962 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:12,337 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:54:12,747 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:54:13,163 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:54:13,596 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:54:14,060 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 17:54:14,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:14,877 INFO L93 Difference]: Finished difference Result 78867 states and 168914 transitions. [2021-01-26 17:54:14,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:54:14,878 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:14,945 INFO L225 Difference]: With dead ends: 78867 [2021-01-26 17:54:14,945 INFO L226 Difference]: Without dead ends: 78867 [2021-01-26 17:54:14,946 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:54:14,946 INFO L78 Accepts]: Start accepts. Automaton has 78867 states. Word has length 110 [2021-01-26 17:54:14,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:14,946 INFO L481 AbstractCegarLoop]: Abstraction has 78867 states. [2021-01-26 17:54:14,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 78867 states. [2021-01-26 17:54:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:15,011 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:15,011 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:15,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-26 17:54:15,011 INFO L429 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]=== [2021-01-26 17:54:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:15,012 INFO L82 PathProgramCache]: Analyzing trace with hash 737921681, now seen corresponding path program 21 times [2021-01-26 17:54:15,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:15,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582217188] [2021-01-26 17:54:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:15,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582217188] [2021-01-26 17:54:15,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:15,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:15,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926586471] [2021-01-26 17:54:15,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:15,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:15,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:15,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:15,936 INFO L87 Difference]: Start difference. First operand 78867 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:17,006 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:54:17,564 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:17,778 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:18,040 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:18,416 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:54:18,837 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:54:19,247 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:54:19,727 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-01-26 17:54:20,183 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:54:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:20,986 INFO L93 Difference]: Finished difference Result 81159 states and 173356 transitions. [2021-01-26 17:54:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:54:20,987 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:20,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:21,074 INFO L225 Difference]: With dead ends: 81159 [2021-01-26 17:54:21,074 INFO L226 Difference]: Without dead ends: 81159 [2021-01-26 17:54:21,075 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:54:21,075 INFO L78 Accepts]: Start accepts. Automaton has 81159 states. Word has length 110 [2021-01-26 17:54:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:21,076 INFO L481 AbstractCegarLoop]: Abstraction has 81159 states. [2021-01-26 17:54:21,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 81159 states. [2021-01-26 17:54:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:21,262 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:21,263 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:21,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-26 17:54:21,263 INFO L429 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]=== [2021-01-26 17:54:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:21,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1872037869, now seen corresponding path program 22 times [2021-01-26 17:54:21,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:21,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057953044] [2021-01-26 17:54:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:22,190 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:54:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:22,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057953044] [2021-01-26 17:54:22,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:22,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:22,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577660780] [2021-01-26 17:54:22,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:22,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:22,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:22,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:22,271 INFO L87 Difference]: Start difference. First operand 81159 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:23,419 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:54:24,037 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:24,251 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:24,514 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:24,896 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:54:25,285 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:54:25,697 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:54:26,179 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 17:54:26,569 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:54:27,041 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-01-26 17:54:27,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:27,784 INFO L93 Difference]: Finished difference Result 76688 states and 162692 transitions. [2021-01-26 17:54:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 17:54:27,785 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:27,858 INFO L225 Difference]: With dead ends: 76688 [2021-01-26 17:54:27,858 INFO L226 Difference]: Without dead ends: 76688 [2021-01-26 17:54:27,859 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=469, Invalid=1601, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 17:54:27,859 INFO L78 Accepts]: Start accepts. Automaton has 76688 states. Word has length 110 [2021-01-26 17:54:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:27,859 INFO L481 AbstractCegarLoop]: Abstraction has 76688 states. [2021-01-26 17:54:27,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 76688 states. [2021-01-26 17:54:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:27,941 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:27,942 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:27,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-26 17:54:27,942 INFO L429 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]=== [2021-01-26 17:54:27,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:27,942 INFO L82 PathProgramCache]: Analyzing trace with hash 470054427, now seen corresponding path program 4 times [2021-01-26 17:54:27,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:27,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749643220] [2021-01-26 17:54:27,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:28,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749643220] [2021-01-26 17:54:28,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:28,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:54:28,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843091304] [2021-01-26 17:54:28,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:54:28,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:28,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:54:28,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:54:28,818 INFO L87 Difference]: Start difference. First operand 76688 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:34,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:34,272 INFO L93 Difference]: Finished difference Result 87447 states and 186164 transitions. [2021-01-26 17:54:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-01-26 17:54:34,273 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:34,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:34,344 INFO L225 Difference]: With dead ends: 87447 [2021-01-26 17:54:34,344 INFO L226 Difference]: Without dead ends: 85851 [2021-01-26 17:54:34,345 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1157, Invalid=2383, Unknown=0, NotChecked=0, Total=3540 [2021-01-26 17:54:34,345 INFO L78 Accepts]: Start accepts. Automaton has 85851 states. Word has length 110 [2021-01-26 17:54:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:34,345 INFO L481 AbstractCegarLoop]: Abstraction has 85851 states. [2021-01-26 17:54:34,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 85851 states. [2021-01-26 17:54:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:34,411 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:34,412 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:34,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-26 17:54:34,412 INFO L429 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]=== [2021-01-26 17:54:34,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:34,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1180155247, now seen corresponding path program 23 times [2021-01-26 17:54:34,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:34,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128541244] [2021-01-26 17:54:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:35,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128541244] [2021-01-26 17:54:35,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:35,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:35,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745223304] [2021-01-26 17:54:35,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:35,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:35,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:35,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:35,157 INFO L87 Difference]: Start difference. First operand 85851 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:36,373 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:54:36,948 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:37,159 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:37,421 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:37,775 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:54:38,158 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:54:38,607 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:54:39,089 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:54:39,599 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 17:54:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:40,451 INFO L93 Difference]: Finished difference Result 86001 states and 183505 transitions. [2021-01-26 17:54:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:54:40,453 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:40,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:40,542 INFO L225 Difference]: With dead ends: 86001 [2021-01-26 17:54:40,542 INFO L226 Difference]: Without dead ends: 86001 [2021-01-26 17:54:40,543 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:54:40,543 INFO L78 Accepts]: Start accepts. Automaton has 86001 states. Word has length 110 [2021-01-26 17:54:40,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:40,543 INFO L481 AbstractCegarLoop]: Abstraction has 86001 states. [2021-01-26 17:54:40,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 86001 states. [2021-01-26 17:54:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:40,645 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:40,645 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:40,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-01-26 17:54:40,645 INFO L429 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]=== [2021-01-26 17:54:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:40,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1249816301, now seen corresponding path program 24 times [2021-01-26 17:54:40,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:40,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8744329] [2021-01-26 17:54:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:41,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8744329] [2021-01-26 17:54:41,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:41,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:41,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409871213] [2021-01-26 17:54:41,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:41,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:41,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:41,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:41,657 INFO L87 Difference]: Start difference. First operand 86001 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:42,824 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:54:43,423 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:43,635 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:43,903 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:44,263 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:54:44,656 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:54:45,060 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:54:45,537 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-26 17:54:46,002 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:54:46,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:46,791 INFO L93 Difference]: Finished difference Result 88293 states and 187947 transitions. [2021-01-26 17:54:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:54:46,791 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:46,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:46,875 INFO L225 Difference]: With dead ends: 88293 [2021-01-26 17:54:46,875 INFO L226 Difference]: Without dead ends: 88293 [2021-01-26 17:54:46,875 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:54:46,875 INFO L78 Accepts]: Start accepts. Automaton has 88293 states. Word has length 110 [2021-01-26 17:54:46,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:46,876 INFO L481 AbstractCegarLoop]: Abstraction has 88293 states. [2021-01-26 17:54:46,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 88293 states. [2021-01-26 17:54:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:46,959 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:46,960 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:46,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-01-26 17:54:46,960 INFO L429 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]=== [2021-01-26 17:54:46,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:46,960 INFO L82 PathProgramCache]: Analyzing trace with hash -115700113, now seen corresponding path program 25 times [2021-01-26 17:54:46,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:46,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630532719] [2021-01-26 17:54:46,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:48,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630532719] [2021-01-26 17:54:48,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:48,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:48,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927081687] [2021-01-26 17:54:48,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:48,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:48,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:48,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:48,065 INFO L87 Difference]: Start difference. First operand 88293 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:49,171 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:54:49,650 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-01-26 17:54:49,835 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:50,054 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:50,329 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:50,700 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:54:51,107 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:54:51,517 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:54:51,962 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 17:54:52,337 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:54:52,803 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-01-26 17:54:53,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:54:53,654 INFO L93 Difference]: Finished difference Result 90892 states and 193152 transitions. [2021-01-26 17:54:53,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 17:54:53,655 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:54:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:54:53,777 INFO L225 Difference]: With dead ends: 90892 [2021-01-26 17:54:53,777 INFO L226 Difference]: Without dead ends: 90892 [2021-01-26 17:54:53,778 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=469, Invalid=1601, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 17:54:53,778 INFO L78 Accepts]: Start accepts. Automaton has 90892 states. Word has length 110 [2021-01-26 17:54:53,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:54:53,778 INFO L481 AbstractCegarLoop]: Abstraction has 90892 states. [2021-01-26 17:54:53,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 90892 states. [2021-01-26 17:54:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:54:53,882 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:54:53,882 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:54:53,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-01-26 17:54:53,883 INFO L429 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]=== [2021-01-26 17:54:53,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:54:53,884 INFO L82 PathProgramCache]: Analyzing trace with hash -295177035, now seen corresponding path program 26 times [2021-01-26 17:54:53,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:54:53,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182969401] [2021-01-26 17:54:54,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:54:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:54:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:54:54,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182969401] [2021-01-26 17:54:54,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:54:54,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:54:54,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400054402] [2021-01-26 17:54:54,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:54:54,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:54:54,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:54:54,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:54:54,989 INFO L87 Difference]: Start difference. First operand 90892 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:54:56,181 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:54:56,766 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:54:56,988 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:54:57,262 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:54:57,633 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:54:57,993 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-26 17:54:58,374 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-26 17:54:58,791 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:54:59,283 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 17:54:59,663 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:55:00,174 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:55:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:00,967 INFO L93 Difference]: Finished difference Result 86307 states and 182228 transitions. [2021-01-26 17:55:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-26 17:55:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:01,047 INFO L225 Difference]: With dead ends: 86307 [2021-01-26 17:55:01,048 INFO L226 Difference]: Without dead ends: 86307 [2021-01-26 17:55:01,048 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=498, Invalid=1664, Unknown=0, NotChecked=0, Total=2162 [2021-01-26 17:55:01,048 INFO L78 Accepts]: Start accepts. Automaton has 86307 states. Word has length 110 [2021-01-26 17:55:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:01,049 INFO L481 AbstractCegarLoop]: Abstraction has 86307 states. [2021-01-26 17:55:01,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 86307 states. [2021-01-26 17:55:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:01,252 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:01,253 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:01,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-01-26 17:55:01,253 INFO L429 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]=== [2021-01-26 17:55:01,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:01,253 INFO L82 PathProgramCache]: Analyzing trace with hash -177080997, now seen corresponding path program 5 times [2021-01-26 17:55:01,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:01,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249730121] [2021-01-26 17:55:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:02,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249730121] [2021-01-26 17:55:02,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:02,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:55:02,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139715876] [2021-01-26 17:55:02,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:55:02,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:02,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:55:02,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:55:02,098 INFO L87 Difference]: Start difference. First operand 86307 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:08,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:08,140 INFO L93 Difference]: Finished difference Result 98456 states and 208637 transitions. [2021-01-26 17:55:08,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-01-26 17:55:08,141 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:08,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:08,216 INFO L225 Difference]: With dead ends: 98456 [2021-01-26 17:55:08,217 INFO L226 Difference]: Without dead ends: 96691 [2021-01-26 17:55:08,217 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1241, Invalid=2541, Unknown=0, NotChecked=0, Total=3782 [2021-01-26 17:55:08,217 INFO L78 Accepts]: Start accepts. Automaton has 96691 states. Word has length 110 [2021-01-26 17:55:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:08,217 INFO L481 AbstractCegarLoop]: Abstraction has 96691 states. [2021-01-26 17:55:08,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 96691 states. [2021-01-26 17:55:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:08,289 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:08,289 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:08,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-01-26 17:55:08,289 INFO L429 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]=== [2021-01-26 17:55:08,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:08,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1827290671, now seen corresponding path program 27 times [2021-01-26 17:55:08,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:08,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439899270] [2021-01-26 17:55:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:09,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439899270] [2021-01-26 17:55:09,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:09,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:09,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038503592] [2021-01-26 17:55:09,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:09,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:09,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:09,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:09,088 INFO L87 Difference]: Start difference. First operand 96691 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:09,738 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-26 17:55:10,332 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:55:10,917 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:55:11,139 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:55:11,444 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:55:11,767 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:55:12,166 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:55:12,578 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:55:13,072 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:55:13,550 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 17:55:14,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:14,343 INFO L93 Difference]: Finished difference Result 96841 states and 205670 transitions. [2021-01-26 17:55:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:55:14,344 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:14,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:14,436 INFO L225 Difference]: With dead ends: 96841 [2021-01-26 17:55:14,436 INFO L226 Difference]: Without dead ends: 96841 [2021-01-26 17:55:14,436 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:55:14,436 INFO L78 Accepts]: Start accepts. Automaton has 96841 states. Word has length 110 [2021-01-26 17:55:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:14,437 INFO L481 AbstractCegarLoop]: Abstraction has 96841 states. [2021-01-26 17:55:14,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 96841 states. [2021-01-26 17:55:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:14,524 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:14,524 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:14,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-01-26 17:55:14,524 INFO L429 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]=== [2021-01-26 17:55:14,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1896951725, now seen corresponding path program 28 times [2021-01-26 17:55:14,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:14,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713307055] [2021-01-26 17:55:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:15,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713307055] [2021-01-26 17:55:15,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:15,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:15,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722407838] [2021-01-26 17:55:15,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:15,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:15,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:15,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:15,627 INFO L87 Difference]: Start difference. First operand 96841 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:16,892 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:55:17,472 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:55:17,694 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:55:18,001 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:55:18,328 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:55:18,734 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:55:19,157 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:55:19,647 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-26 17:55:20,112 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:55:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:20,971 INFO L93 Difference]: Finished difference Result 99133 states and 210112 transitions. [2021-01-26 17:55:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:55:20,972 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:21,068 INFO L225 Difference]: With dead ends: 99133 [2021-01-26 17:55:21,069 INFO L226 Difference]: Without dead ends: 99133 [2021-01-26 17:55:21,069 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:55:21,069 INFO L78 Accepts]: Start accepts. Automaton has 99133 states. Word has length 110 [2021-01-26 17:55:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:21,069 INFO L481 AbstractCegarLoop]: Abstraction has 99133 states. [2021-01-26 17:55:21,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 99133 states. [2021-01-26 17:55:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:21,368 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:21,368 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:21,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-01-26 17:55:21,368 INFO L429 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]=== [2021-01-26 17:55:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:21,369 INFO L82 PathProgramCache]: Analyzing trace with hash -762835537, now seen corresponding path program 29 times [2021-01-26 17:55:21,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:21,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043016984] [2021-01-26 17:55:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:22,186 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:55:22,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:22,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043016984] [2021-01-26 17:55:22,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:22,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:22,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074279041] [2021-01-26 17:55:22,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:22,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:22,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:22,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:22,262 INFO L87 Difference]: Start difference. First operand 99133 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:22,941 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-26 17:55:23,541 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:55:24,135 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:55:24,360 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:55:24,670 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:55:25,006 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:55:25,461 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:55:25,874 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:55:26,326 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 17:55:26,707 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:55:27,192 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-01-26 17:55:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:28,105 INFO L93 Difference]: Finished difference Result 101732 states and 215317 transitions. [2021-01-26 17:55:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 17:55:28,106 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:28,209 INFO L225 Difference]: With dead ends: 101732 [2021-01-26 17:55:28,210 INFO L226 Difference]: Without dead ends: 101732 [2021-01-26 17:55:28,210 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=469, Invalid=1601, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 17:55:28,210 INFO L78 Accepts]: Start accepts. Automaton has 101732 states. Word has length 110 [2021-01-26 17:55:28,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:28,210 INFO L481 AbstractCegarLoop]: Abstraction has 101732 states. [2021-01-26 17:55:28,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 101732 states. [2021-01-26 17:55:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:28,306 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:28,306 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:28,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-01-26 17:55:28,307 INFO L429 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]=== [2021-01-26 17:55:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash -942312459, now seen corresponding path program 30 times [2021-01-26 17:55:28,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:28,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389535350] [2021-01-26 17:55:28,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:29,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389535350] [2021-01-26 17:55:29,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:29,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:29,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426380951] [2021-01-26 17:55:29,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:29,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:29,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:29,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:29,532 INFO L87 Difference]: Start difference. First operand 101732 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:30,667 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:55:31,409 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:55:31,656 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:55:31,998 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:55:32,364 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:55:32,766 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-26 17:55:33,194 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-01-26 17:55:33,659 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:55:34,206 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 17:55:34,602 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:55:35,107 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-01-26 17:55:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:36,194 INFO L93 Difference]: Finished difference Result 104879 states and 221894 transitions. [2021-01-26 17:55:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-26 17:55:36,195 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:36,285 INFO L225 Difference]: With dead ends: 104879 [2021-01-26 17:55:36,285 INFO L226 Difference]: Without dead ends: 104879 [2021-01-26 17:55:36,286 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=498, Invalid=1664, Unknown=0, NotChecked=0, Total=2162 [2021-01-26 17:55:36,286 INFO L78 Accepts]: Start accepts. Automaton has 104879 states. Word has length 110 [2021-01-26 17:55:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:36,286 INFO L481 AbstractCegarLoop]: Abstraction has 104879 states. [2021-01-26 17:55:36,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 104879 states. [2021-01-26 17:55:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:36,396 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:36,396 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:36,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-01-26 17:55:36,396 INFO L429 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]=== [2021-01-26 17:55:36,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:36,397 INFO L82 PathProgramCache]: Analyzing trace with hash -375079273, now seen corresponding path program 31 times [2021-01-26 17:55:36,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:36,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042705659] [2021-01-26 17:55:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:37,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042705659] [2021-01-26 17:55:37,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:37,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:37,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608988805] [2021-01-26 17:55:37,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:37,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:37,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:37,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:37,351 INFO L87 Difference]: Start difference. First operand 104879 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:37,877 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-01-26 17:55:38,688 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:55:39,293 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:55:39,526 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 17:55:39,848 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-26 17:55:40,189 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-01-26 17:55:40,582 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-01-26 17:55:40,876 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-01-26 17:55:41,249 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-26 17:55:41,678 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:55:42,171 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:55:42,558 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-01-26 17:55:43,087 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:55:43,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:43,958 INFO L93 Difference]: Finished difference Result 100180 states and 210710 transitions. [2021-01-26 17:55:43,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-26 17:55:43,959 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:43,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:44,058 INFO L225 Difference]: With dead ends: 100180 [2021-01-26 17:55:44,059 INFO L226 Difference]: Without dead ends: 100180 [2021-01-26 17:55:44,059 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=526, Invalid=1730, Unknown=0, NotChecked=0, Total=2256 [2021-01-26 17:55:44,059 INFO L78 Accepts]: Start accepts. Automaton has 100180 states. Word has length 110 [2021-01-26 17:55:44,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:44,059 INFO L481 AbstractCegarLoop]: Abstraction has 100180 states. [2021-01-26 17:55:44,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 100180 states. [2021-01-26 17:55:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:44,156 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:44,157 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:44,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-01-26 17:55:44,157 INFO L429 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]=== [2021-01-26 17:55:44,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash -116723431, now seen corresponding path program 6 times [2021-01-26 17:55:44,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:44,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032839083] [2021-01-26 17:55:44,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:45,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032839083] [2021-01-26 17:55:45,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:45,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:55:45,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004887802] [2021-01-26 17:55:45,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:55:45,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:45,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:55:45,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:55:45,202 INFO L87 Difference]: Start difference. First operand 100180 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:51,768 INFO L93 Difference]: Finished difference Result 100169 states and 210654 transitions. [2021-01-26 17:55:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-01-26 17:55:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:51,874 INFO L225 Difference]: With dead ends: 100169 [2021-01-26 17:55:51,875 INFO L226 Difference]: Without dead ends: 98235 [2021-01-26 17:55:51,875 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1325, Invalid=2707, Unknown=0, NotChecked=0, Total=4032 [2021-01-26 17:55:51,875 INFO L78 Accepts]: Start accepts. Automaton has 98235 states. Word has length 110 [2021-01-26 17:55:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:51,876 INFO L481 AbstractCegarLoop]: Abstraction has 98235 states. [2021-01-26 17:55:51,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 98235 states. [2021-01-26 17:55:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:52,138 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:52,138 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:52,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-01-26 17:55:52,140 INFO L429 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]=== [2021-01-26 17:55:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:52,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1766933105, now seen corresponding path program 32 times [2021-01-26 17:55:52,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:52,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617705674] [2021-01-26 17:55:52,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:52,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617705674] [2021-01-26 17:55:52,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:52,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:52,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865208500] [2021-01-26 17:55:52,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:52,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:52,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:52,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:52,978 INFO L87 Difference]: Start difference. First operand 98235 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:54,121 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:55:54,381 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-01-26 17:55:54,872 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:55:55,113 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:55:55,365 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-26 17:55:55,694 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-01-26 17:55:56,101 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:55:56,523 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:55:57,019 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 17:55:57,500 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2021-01-26 17:55:58,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:55:58,315 INFO L93 Difference]: Finished difference Result 98385 states and 207379 transitions. [2021-01-26 17:55:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:55:58,316 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:55:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:55:58,412 INFO L225 Difference]: With dead ends: 98385 [2021-01-26 17:55:58,412 INFO L226 Difference]: Without dead ends: 98385 [2021-01-26 17:55:58,412 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:55:58,412 INFO L78 Accepts]: Start accepts. Automaton has 98385 states. Word has length 110 [2021-01-26 17:55:58,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:55:58,413 INFO L481 AbstractCegarLoop]: Abstraction has 98385 states. [2021-01-26 17:55:58,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:55:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 98385 states. [2021-01-26 17:55:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:55:58,717 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:55:58,718 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:55:58,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-01-26 17:55:58,720 INFO L429 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]=== [2021-01-26 17:55:58,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:55:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1836594159, now seen corresponding path program 33 times [2021-01-26 17:55:58,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:55:58,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836214024] [2021-01-26 17:55:58,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:55:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:55:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:55:59,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836214024] [2021-01-26 17:55:59,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:55:59,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:55:59,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599993259] [2021-01-26 17:55:59,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:55:59,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:55:59,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:55:59,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:55:59,691 INFO L87 Difference]: Start difference. First operand 98385 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:00,878 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:56:01,432 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-01-26 17:56:01,625 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:56:01,867 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:56:02,124 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-26 17:56:02,459 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-01-26 17:56:02,886 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:56:03,314 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:56:03,803 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-26 17:56:04,302 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:56:05,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:05,191 INFO L93 Difference]: Finished difference Result 100677 states and 211821 transitions. [2021-01-26 17:56:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:56:05,192 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:05,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:05,291 INFO L225 Difference]: With dead ends: 100677 [2021-01-26 17:56:05,291 INFO L226 Difference]: Without dead ends: 100677 [2021-01-26 17:56:05,291 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=439, Invalid=1541, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:56:05,291 INFO L78 Accepts]: Start accepts. Automaton has 100677 states. Word has length 110 [2021-01-26 17:56:05,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:05,292 INFO L481 AbstractCegarLoop]: Abstraction has 100677 states. [2021-01-26 17:56:05,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 100677 states. [2021-01-26 17:56:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:05,388 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:05,388 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:05,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-01-26 17:56:05,388 INFO L429 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]=== [2021-01-26 17:56:05,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:05,389 INFO L82 PathProgramCache]: Analyzing trace with hash -702477971, now seen corresponding path program 34 times [2021-01-26 17:56:05,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:05,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161266374] [2021-01-26 17:56:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:06,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161266374] [2021-01-26 17:56:06,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:06,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:56:06,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596422772] [2021-01-26 17:56:06,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:56:06,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:06,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:56:06,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:56:06,706 INFO L87 Difference]: Start difference. First operand 100677 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:07,846 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:56:08,456 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:56:08,838 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:56:09,120 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-26 17:56:09,488 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-01-26 17:56:09,952 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:56:10,414 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:56:10,920 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 17:56:11,328 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-01-26 17:56:11,860 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-01-26 17:56:12,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:12,797 INFO L93 Difference]: Finished difference Result 103276 states and 217026 transitions. [2021-01-26 17:56:12,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 17:56:12,798 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:12,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:12,898 INFO L225 Difference]: With dead ends: 103276 [2021-01-26 17:56:12,898 INFO L226 Difference]: Without dead ends: 103276 [2021-01-26 17:56:12,898 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=469, Invalid=1601, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 17:56:12,898 INFO L78 Accepts]: Start accepts. Automaton has 103276 states. Word has length 110 [2021-01-26 17:56:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:12,899 INFO L481 AbstractCegarLoop]: Abstraction has 103276 states. [2021-01-26 17:56:12,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 103276 states. [2021-01-26 17:56:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:13,001 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:13,001 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:13,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-01-26 17:56:13,001 INFO L429 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]=== [2021-01-26 17:56:13,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:13,002 INFO L82 PathProgramCache]: Analyzing trace with hash -881954893, now seen corresponding path program 35 times [2021-01-26 17:56:13,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:13,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842813456] [2021-01-26 17:56:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:13,725 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-01-26 17:56:14,202 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:56:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:14,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842813456] [2021-01-26 17:56:14,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:14,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:56:14,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781978700] [2021-01-26 17:56:14,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:56:14,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:14,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:56:14,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:56:14,278 INFO L87 Difference]: Start difference. First operand 103276 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:15,459 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:56:16,081 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:56:16,332 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:56:16,591 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-26 17:56:17,074 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-01-26 17:56:17,440 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-01-26 17:56:17,830 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-01-26 17:56:18,256 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:56:18,764 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:56:19,156 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-01-26 17:56:19,668 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-01-26 17:56:20,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:20,647 INFO L93 Difference]: Finished difference Result 106423 states and 223603 transitions. [2021-01-26 17:56:20,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-26 17:56:20,648 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:20,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:20,754 INFO L225 Difference]: With dead ends: 106423 [2021-01-26 17:56:20,754 INFO L226 Difference]: Without dead ends: 106423 [2021-01-26 17:56:20,755 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=498, Invalid=1664, Unknown=0, NotChecked=0, Total=2162 [2021-01-26 17:56:20,755 INFO L78 Accepts]: Start accepts. Automaton has 106423 states. Word has length 110 [2021-01-26 17:56:20,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:20,755 INFO L481 AbstractCegarLoop]: Abstraction has 106423 states. [2021-01-26 17:56:20,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 106423 states. [2021-01-26 17:56:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:20,856 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:20,856 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:20,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-01-26 17:56:20,857 INFO L429 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]=== [2021-01-26 17:56:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:20,857 INFO L82 PathProgramCache]: Analyzing trace with hash -314721707, now seen corresponding path program 36 times [2021-01-26 17:56:20,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:20,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922519062] [2021-01-26 17:56:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:22,072 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:56:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:22,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922519062] [2021-01-26 17:56:22,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:22,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:56:22,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436021517] [2021-01-26 17:56:22,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:56:22,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:22,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:56:22,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:56:22,146 INFO L87 Difference]: Start difference. First operand 106423 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:23,342 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:56:23,776 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-01-26 17:56:23,979 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:56:24,235 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:56:24,493 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-26 17:56:24,982 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2021-01-26 17:56:25,317 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2021-01-26 17:56:25,603 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2021-01-26 17:56:25,983 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-01-26 17:56:26,411 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2021-01-26 17:56:26,916 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-01-26 17:56:27,294 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-01-26 17:56:27,840 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:56:28,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:28,863 INFO L93 Difference]: Finished difference Result 109902 states and 230986 transitions. [2021-01-26 17:56:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-26 17:56:28,864 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:28,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:28,974 INFO L225 Difference]: With dead ends: 109902 [2021-01-26 17:56:28,975 INFO L226 Difference]: Without dead ends: 109902 [2021-01-26 17:56:28,975 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=526, Invalid=1730, Unknown=0, NotChecked=0, Total=2256 [2021-01-26 17:56:28,975 INFO L78 Accepts]: Start accepts. Automaton has 109902 states. Word has length 110 [2021-01-26 17:56:28,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:28,976 INFO L481 AbstractCegarLoop]: Abstraction has 109902 states. [2021-01-26 17:56:28,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 109902 states. [2021-01-26 17:56:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:29,086 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:29,087 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:29,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-01-26 17:56:29,087 INFO L429 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]=== [2021-01-26 17:56:29,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:29,087 INFO L82 PathProgramCache]: Analyzing trace with hash -969483223, now seen corresponding path program 37 times [2021-01-26 17:56:29,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:29,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199050361] [2021-01-26 17:56:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:29,523 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-01-26 17:56:30,406 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:56:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:30,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199050361] [2021-01-26 17:56:30,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:30,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:56:30,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434092334] [2021-01-26 17:56:30,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:56:30,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:30,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:56:30,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:56:30,485 INFO L87 Difference]: Start difference. First operand 109902 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:31,700 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-26 17:56:32,127 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-01-26 17:56:32,333 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-01-26 17:56:32,590 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-01-26 17:56:33,029 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-01-26 17:56:33,364 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-01-26 17:56:33,622 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2021-01-26 17:56:33,976 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-01-26 17:56:34,282 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-01-26 17:56:34,689 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-01-26 17:56:35,144 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:56:35,656 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:56:36,062 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-01-26 17:56:36,626 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:56:37,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:37,570 INFO L93 Difference]: Finished difference Result 105089 states and 219542 transitions. [2021-01-26 17:56:37,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-26 17:56:37,571 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:37,679 INFO L225 Difference]: With dead ends: 105089 [2021-01-26 17:56:37,679 INFO L226 Difference]: Without dead ends: 105089 [2021-01-26 17:56:37,680 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=553, Invalid=1799, Unknown=0, NotChecked=0, Total=2352 [2021-01-26 17:56:37,680 INFO L78 Accepts]: Start accepts. Automaton has 105089 states. Word has length 110 [2021-01-26 17:56:37,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:37,680 INFO L481 AbstractCegarLoop]: Abstraction has 105089 states. [2021-01-26 17:56:37,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:37,680 INFO L276 IsEmpty]: Start isEmpty. Operand 105089 states. [2021-01-26 17:56:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:38,014 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:38,015 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:38,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-01-26 17:56:38,015 INFO L429 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]=== [2021-01-26 17:56:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1063010375, now seen corresponding path program 7 times [2021-01-26 17:56:38,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:38,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352286552] [2021-01-26 17:56:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:38,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352286552] [2021-01-26 17:56:38,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:38,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:56:38,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784988967] [2021-01-26 17:56:38,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:56:38,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:38,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:56:38,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:56:38,881 INFO L87 Difference]: Start difference. First operand 105089 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:44,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:44,553 INFO L93 Difference]: Finished difference Result 121736 states and 258636 transitions. [2021-01-26 17:56:44,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-01-26 17:56:44,554 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:44,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:44,658 INFO L225 Difference]: With dead ends: 121736 [2021-01-26 17:56:44,659 INFO L226 Difference]: Without dead ends: 119930 [2021-01-26 17:56:44,659 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=992, Invalid=2088, Unknown=0, NotChecked=0, Total=3080 [2021-01-26 17:56:44,659 INFO L78 Accepts]: Start accepts. Automaton has 119930 states. Word has length 110 [2021-01-26 17:56:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:44,660 INFO L481 AbstractCegarLoop]: Abstraction has 119930 states. [2021-01-26 17:56:44,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 119930 states. [2021-01-26 17:56:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:44,761 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:44,761 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:44,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-01-26 17:56:44,761 INFO L429 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]=== [2021-01-26 17:56:44,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:44,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1581747247, now seen corresponding path program 38 times [2021-01-26 17:56:44,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:44,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099176554] [2021-01-26 17:56:44,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:45,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099176554] [2021-01-26 17:56:45,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:45,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:56:45,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535300057] [2021-01-26 17:56:45,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:56:45,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:56:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:56:45,938 INFO L87 Difference]: Start difference. First operand 119930 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:47,618 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:56:47,882 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:56:48,263 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:56:48,602 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:56:49,004 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-01-26 17:56:49,607 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:56:50,085 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2021-01-26 17:56:50,612 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-01-26 17:56:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:51,713 INFO L93 Difference]: Finished difference Result 154708 states and 328513 transitions. [2021-01-26 17:56:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:56:51,714 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:51,837 INFO L225 Difference]: With dead ends: 154708 [2021-01-26 17:56:51,838 INFO L226 Difference]: Without dead ends: 154708 [2021-01-26 17:56:51,838 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:56:51,838 INFO L78 Accepts]: Start accepts. Automaton has 154708 states. Word has length 110 [2021-01-26 17:56:51,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:51,838 INFO L481 AbstractCegarLoop]: Abstraction has 154708 states. [2021-01-26 17:56:51,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 154708 states. [2021-01-26 17:56:51,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:51,947 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:51,947 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:51,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-01-26 17:56:51,947 INFO L429 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]=== [2021-01-26 17:56:51,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:51,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1512086193, now seen corresponding path program 39 times [2021-01-26 17:56:51,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:51,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043152527] [2021-01-26 17:56:51,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:56:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:56:52,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043152527] [2021-01-26 17:56:52,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:56:52,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:56:52,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350571654] [2021-01-26 17:56:52,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:56:52,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:56:52,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:56:52,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:56:52,994 INFO L87 Difference]: Start difference. First operand 154708 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:53,435 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-01-26 17:56:54,971 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:56:55,238 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:56:55,614 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:56:55,963 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:56:56,369 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-01-26 17:56:56,976 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:56:57,499 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-01-26 17:56:58,015 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:56:59,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:56:59,222 INFO L93 Difference]: Finished difference Result 153248 states and 324245 transitions. [2021-01-26 17:56:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:56:59,224 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:56:59,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:56:59,385 INFO L225 Difference]: With dead ends: 153248 [2021-01-26 17:56:59,385 INFO L226 Difference]: Without dead ends: 153248 [2021-01-26 17:56:59,385 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:56:59,385 INFO L78 Accepts]: Start accepts. Automaton has 153248 states. Word has length 110 [2021-01-26 17:56:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:56:59,385 INFO L481 AbstractCegarLoop]: Abstraction has 153248 states. [2021-01-26 17:56:59,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:56:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 153248 states. [2021-01-26 17:56:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:56:59,502 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:56:59,503 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:56:59,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-01-26 17:56:59,503 INFO L429 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]=== [2021-01-26 17:56:59,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:56:59,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1555085809, now seen corresponding path program 40 times [2021-01-26 17:56:59,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:56:59,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081283046] [2021-01-26 17:56:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:56:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:00,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081283046] [2021-01-26 17:57:00,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:00,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:57:00,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516955848] [2021-01-26 17:57:00,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:57:00,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:00,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:57:00,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:57:00,429 INFO L87 Difference]: Start difference. First operand 153248 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:02,427 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:57:02,689 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:57:03,062 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:57:03,410 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:57:03,816 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-01-26 17:57:04,215 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-01-26 17:57:04,815 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-01-26 17:57:05,266 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2021-01-26 17:57:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:06,353 INFO L93 Difference]: Finished difference Result 149743 states and 315650 transitions. [2021-01-26 17:57:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:57:06,354 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:06,571 INFO L225 Difference]: With dead ends: 149743 [2021-01-26 17:57:06,571 INFO L226 Difference]: Without dead ends: 149743 [2021-01-26 17:57:06,572 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:57:06,572 INFO L78 Accepts]: Start accepts. Automaton has 149743 states. Word has length 110 [2021-01-26 17:57:06,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:06,572 INFO L481 AbstractCegarLoop]: Abstraction has 149743 states. [2021-01-26 17:57:06,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 149743 states. [2021-01-26 17:57:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:07,083 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:07,083 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:07,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-01-26 17:57:07,083 INFO L429 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]=== [2021-01-26 17:57:07,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:07,084 INFO L82 PathProgramCache]: Analyzing trace with hash 875010207, now seen corresponding path program 8 times [2021-01-26 17:57:07,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:07,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300390798] [2021-01-26 17:57:07,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:07,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300390798] [2021-01-26 17:57:07,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:07,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:57:07,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954910252] [2021-01-26 17:57:07,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:57:07,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:07,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:57:07,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:57:07,890 INFO L87 Difference]: Start difference. First operand 149743 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:13,911 INFO L93 Difference]: Finished difference Result 149734 states and 315608 transitions. [2021-01-26 17:57:13,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-01-26 17:57:13,912 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:14,091 INFO L225 Difference]: With dead ends: 149734 [2021-01-26 17:57:14,091 INFO L226 Difference]: Without dead ends: 148238 [2021-01-26 17:57:14,092 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1023, Invalid=2169, Unknown=0, NotChecked=0, Total=3192 [2021-01-26 17:57:14,092 INFO L78 Accepts]: Start accepts. Automaton has 148238 states. Word has length 110 [2021-01-26 17:57:14,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:14,092 INFO L481 AbstractCegarLoop]: Abstraction has 148238 states. [2021-01-26 17:57:14,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 148238 states. [2021-01-26 17:57:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:14,262 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:14,262 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:14,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-01-26 17:57:14,263 INFO L429 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]=== [2021-01-26 17:57:14,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:14,263 INFO L82 PathProgramCache]: Analyzing trace with hash -775199467, now seen corresponding path program 41 times [2021-01-26 17:57:14,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:14,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219733922] [2021-01-26 17:57:14,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:15,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219733922] [2021-01-26 17:57:15,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:15,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:57:15,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759030719] [2021-01-26 17:57:15,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:57:15,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:15,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:57:15,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:57:15,517 INFO L87 Difference]: Start difference. First operand 148238 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:17,083 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:57:17,312 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:57:17,647 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:57:18,128 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:57:18,570 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:57:19,010 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2021-01-26 17:57:19,507 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:57:20,013 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 17:57:21,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:21,125 INFO L93 Difference]: Finished difference Result 148400 states and 313123 transitions. [2021-01-26 17:57:21,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:57:21,127 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:21,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:21,252 INFO L225 Difference]: With dead ends: 148400 [2021-01-26 17:57:21,253 INFO L226 Difference]: Without dead ends: 148400 [2021-01-26 17:57:21,253 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:57:21,253 INFO L78 Accepts]: Start accepts. Automaton has 148400 states. Word has length 110 [2021-01-26 17:57:21,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:21,253 INFO L481 AbstractCegarLoop]: Abstraction has 148400 states. [2021-01-26 17:57:21,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:21,253 INFO L276 IsEmpty]: Start isEmpty. Operand 148400 states. [2021-01-26 17:57:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:21,367 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:21,367 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:21,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-01-26 17:57:21,367 INFO L429 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]=== [2021-01-26 17:57:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:21,367 INFO L82 PathProgramCache]: Analyzing trace with hash -844860521, now seen corresponding path program 42 times [2021-01-26 17:57:21,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:21,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982405863] [2021-01-26 17:57:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:22,274 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 16 [2021-01-26 17:57:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:22,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982405863] [2021-01-26 17:57:22,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:22,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:57:22,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036466073] [2021-01-26 17:57:22,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:57:22,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:22,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:57:22,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:57:22,359 INFO L87 Difference]: Start difference. First operand 148400 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:23,005 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-01-26 17:57:24,335 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:57:24,602 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:57:24,983 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:57:25,335 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:57:25,786 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:57:26,226 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2021-01-26 17:57:26,854 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2021-01-26 17:57:27,359 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:57:28,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:28,395 INFO L93 Difference]: Finished difference Result 151001 states and 318090 transitions. [2021-01-26 17:57:28,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:57:28,397 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:28,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:28,546 INFO L225 Difference]: With dead ends: 151001 [2021-01-26 17:57:28,547 INFO L226 Difference]: Without dead ends: 151001 [2021-01-26 17:57:28,547 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:57:28,547 INFO L78 Accepts]: Start accepts. Automaton has 151001 states. Word has length 110 [2021-01-26 17:57:28,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:28,547 INFO L481 AbstractCegarLoop]: Abstraction has 151001 states. [2021-01-26 17:57:28,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 151001 states. [2021-01-26 17:57:28,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:28,940 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:28,941 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:28,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-01-26 17:57:28,941 INFO L429 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]=== [2021-01-26 17:57:28,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:28,941 INFO L82 PathProgramCache]: Analyzing trace with hash 289255667, now seen corresponding path program 43 times [2021-01-26 17:57:28,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:28,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525365704] [2021-01-26 17:57:28,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:29,904 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:57:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:29,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525365704] [2021-01-26 17:57:29,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:29,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:57:29,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984984615] [2021-01-26 17:57:29,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:57:29,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:29,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:57:29,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:57:29,985 INFO L87 Difference]: Start difference. First operand 151001 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:31,516 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 17:57:31,714 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:57:32,233 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:57:32,639 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:57:33,018 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:57:33,511 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:57:34,012 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:57:34,591 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-01-26 17:57:35,049 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:57:35,610 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 17:57:36,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:36,715 INFO L93 Difference]: Finished difference Result 146314 states and 306809 transitions. [2021-01-26 17:57:36,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:57:36,716 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:36,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:36,861 INFO L225 Difference]: With dead ends: 146314 [2021-01-26 17:57:36,861 INFO L226 Difference]: Without dead ends: 146314 [2021-01-26 17:57:36,861 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=448, Invalid=1532, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:57:36,862 INFO L78 Accepts]: Start accepts. Automaton has 146314 states. Word has length 110 [2021-01-26 17:57:36,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:36,862 INFO L481 AbstractCegarLoop]: Abstraction has 146314 states. [2021-01-26 17:57:36,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 146314 states. [2021-01-26 17:57:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:36,997 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:36,997 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:36,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-01-26 17:57:36,997 INFO L429 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]=== [2021-01-26 17:57:36,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:36,997 INFO L82 PathProgramCache]: Analyzing trace with hash 462511799, now seen corresponding path program 9 times [2021-01-26 17:57:36,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:36,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803360208] [2021-01-26 17:57:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:38,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803360208] [2021-01-26 17:57:38,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:38,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:57:38,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294939618] [2021-01-26 17:57:38,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:57:38,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:38,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:57:38,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:57:38,195 INFO L87 Difference]: Start difference. First operand 146314 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:43,776 INFO L93 Difference]: Finished difference Result 146640 states and 307055 transitions. [2021-01-26 17:57:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-01-26 17:57:43,777 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:43,915 INFO L225 Difference]: With dead ends: 146640 [2021-01-26 17:57:43,915 INFO L226 Difference]: Without dead ends: 144502 [2021-01-26 17:57:43,915 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1038, Invalid=2154, Unknown=0, NotChecked=0, Total=3192 [2021-01-26 17:57:43,916 INFO L78 Accepts]: Start accepts. Automaton has 144502 states. Word has length 110 [2021-01-26 17:57:43,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:43,916 INFO L481 AbstractCegarLoop]: Abstraction has 144502 states. [2021-01-26 17:57:43,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 144502 states. [2021-01-26 17:57:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:44,322 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:44,323 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:44,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-01-26 17:57:44,323 INFO L429 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]=== [2021-01-26 17:57:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:44,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1187697875, now seen corresponding path program 44 times [2021-01-26 17:57:44,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:44,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967208621] [2021-01-26 17:57:44,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:45,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967208621] [2021-01-26 17:57:45,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:45,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:57:45,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421760944] [2021-01-26 17:57:45,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:57:45,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:45,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:57:45,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:57:45,321 INFO L87 Difference]: Start difference. First operand 144502 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:46,867 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 17:57:47,062 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:57:47,336 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:57:47,937 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:57:48,316 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-26 17:57:48,722 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-01-26 17:57:49,245 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:57:49,747 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2021-01-26 17:57:50,301 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-01-26 17:57:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:51,366 INFO L93 Difference]: Finished difference Result 147294 states and 310273 transitions. [2021-01-26 17:57:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:57:51,368 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:51,508 INFO L225 Difference]: With dead ends: 147294 [2021-01-26 17:57:51,509 INFO L226 Difference]: Without dead ends: 147294 [2021-01-26 17:57:51,509 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:57:51,509 INFO L78 Accepts]: Start accepts. Automaton has 147294 states. Word has length 110 [2021-01-26 17:57:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:51,509 INFO L481 AbstractCegarLoop]: Abstraction has 147294 states. [2021-01-26 17:57:51,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 147294 states. [2021-01-26 17:57:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:51,638 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:51,638 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:51,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-01-26 17:57:51,638 INFO L429 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]=== [2021-01-26 17:57:51,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:57:51,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1257358929, now seen corresponding path program 45 times [2021-01-26 17:57:51,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:57:51,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094073377] [2021-01-26 17:57:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:57:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:57:52,718 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2021-01-26 17:57:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:57:53,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094073377] [2021-01-26 17:57:53,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:57:53,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:57:53,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497285916] [2021-01-26 17:57:53,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:57:53,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:57:53,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:57:53,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:57:53,119 INFO L87 Difference]: Start difference. First operand 147294 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:54,691 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 17:57:54,892 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:57:55,164 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:57:55,548 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:57:55,929 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-26 17:57:56,332 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-01-26 17:57:56,865 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-01-26 17:57:57,550 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-01-26 17:57:58,073 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-01-26 17:57:59,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:57:59,333 INFO L93 Difference]: Finished difference Result 145834 states and 306005 transitions. [2021-01-26 17:57:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:57:59,334 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:57:59,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:57:59,545 INFO L225 Difference]: With dead ends: 145834 [2021-01-26 17:57:59,545 INFO L226 Difference]: Without dead ends: 145834 [2021-01-26 17:57:59,546 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:57:59,546 INFO L78 Accepts]: Start accepts. Automaton has 145834 states. Word has length 110 [2021-01-26 17:57:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:57:59,546 INFO L481 AbstractCegarLoop]: Abstraction has 145834 states. [2021-01-26 17:57:59,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:57:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 145834 states. [2021-01-26 17:57:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:57:59,999 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:57:59,999 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:57:59,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-01-26 17:57:59,999 INFO L429 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]=== [2021-01-26 17:57:59,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:00,000 INFO L82 PathProgramCache]: Analyzing trace with hash -29563635, now seen corresponding path program 46 times [2021-01-26 17:58:00,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:00,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834702230] [2021-01-26 17:58:00,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:01,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834702230] [2021-01-26 17:58:01,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:01,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:58:01,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641788517] [2021-01-26 17:58:01,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:58:01,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:01,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:58:01,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:58:01,618 INFO L87 Difference]: Start difference. First operand 145834 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:03,385 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:58:03,639 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:58:04,002 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:58:04,571 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-26 17:58:04,944 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-01-26 17:58:05,352 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-01-26 17:58:05,903 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-01-26 17:58:06,369 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2021-01-26 17:58:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:07,543 INFO L93 Difference]: Finished difference Result 146422 states and 307445 transitions. [2021-01-26 17:58:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:58:07,544 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:07,704 INFO L225 Difference]: With dead ends: 146422 [2021-01-26 17:58:07,704 INFO L226 Difference]: Without dead ends: 146422 [2021-01-26 17:58:07,705 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:58:07,705 INFO L78 Accepts]: Start accepts. Automaton has 146422 states. Word has length 110 [2021-01-26 17:58:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:07,705 INFO L481 AbstractCegarLoop]: Abstraction has 146422 states. [2021-01-26 17:58:07,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 146422 states. [2021-01-26 17:58:07,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:07,866 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:07,866 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:07,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-01-26 17:58:07,866 INFO L429 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]=== [2021-01-26 17:58:07,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:07,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1501356111, now seen corresponding path program 47 times [2021-01-26 17:58:07,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:07,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387099846] [2021-01-26 17:58:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:08,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387099846] [2021-01-26 17:58:08,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:08,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:58:08,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163037691] [2021-01-26 17:58:08,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:58:08,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:08,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:58:08,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:58:08,936 INFO L87 Difference]: Start difference. First operand 146422 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:10,386 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 17:58:10,975 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:58:11,220 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:58:11,572 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-26 17:58:11,904 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-26 17:58:12,253 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2021-01-26 17:58:12,609 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2021-01-26 17:58:13,169 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2021-01-26 17:58:13,688 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-01-26 17:58:14,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:14,659 INFO L93 Difference]: Finished difference Result 143891 states and 300753 transitions. [2021-01-26 17:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:58:14,661 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:14,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:14,805 INFO L225 Difference]: With dead ends: 143891 [2021-01-26 17:58:14,805 INFO L226 Difference]: Without dead ends: 143891 [2021-01-26 17:58:14,806 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:58:14,806 INFO L78 Accepts]: Start accepts. Automaton has 143891 states. Word has length 110 [2021-01-26 17:58:14,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:14,806 INFO L481 AbstractCegarLoop]: Abstraction has 143891 states. [2021-01-26 17:58:14,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 143891 states. [2021-01-26 17:58:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:14,938 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:14,939 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:14,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-01-26 17:58:14,939 INFO L429 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]=== [2021-01-26 17:58:14,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash 2052404607, now seen corresponding path program 48 times [2021-01-26 17:58:14,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:14,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756605301] [2021-01-26 17:58:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:16,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756605301] [2021-01-26 17:58:16,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:16,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-01-26 17:58:16,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267437071] [2021-01-26 17:58:16,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-26 17:58:16,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:16,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-26 17:58:16,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:58:16,042 INFO L87 Difference]: Start difference. First operand 143891 states. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:17,340 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-26 17:58:17,628 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-01-26 17:58:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:19,279 INFO L93 Difference]: Finished difference Result 148835 states and 310680 transitions. [2021-01-26 17:58:19,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-26 17:58:19,280 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:19,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:19,631 INFO L225 Difference]: With dead ends: 148835 [2021-01-26 17:58:19,631 INFO L226 Difference]: Without dead ends: 148835 [2021-01-26 17:58:19,631 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=307, Invalid=883, Unknown=0, NotChecked=0, Total=1190 [2021-01-26 17:58:19,632 INFO L78 Accepts]: Start accepts. Automaton has 148835 states. Word has length 110 [2021-01-26 17:58:19,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:19,632 INFO L481 AbstractCegarLoop]: Abstraction has 148835 states. [2021-01-26 17:58:19,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 148835 states. [2021-01-26 17:58:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:19,871 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:19,871 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:19,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-01-26 17:58:19,871 INFO L429 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]=== [2021-01-26 17:58:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:19,872 INFO L82 PathProgramCache]: Analyzing trace with hash -854174311, now seen corresponding path program 10 times [2021-01-26 17:58:19,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:19,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225449092] [2021-01-26 17:58:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:20,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:20,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225449092] [2021-01-26 17:58:20,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:20,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:58:20,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608060466] [2021-01-26 17:58:20,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:58:20,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:20,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:58:20,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:58:20,850 INFO L87 Difference]: Start difference. First operand 148835 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:26,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:26,668 INFO L93 Difference]: Finished difference Result 162577 states and 341624 transitions. [2021-01-26 17:58:26,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-26 17:58:26,670 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:26,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:26,866 INFO L225 Difference]: With dead ends: 162577 [2021-01-26 17:58:26,866 INFO L226 Difference]: Without dead ends: 161098 [2021-01-26 17:58:26,867 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=854, Invalid=1902, Unknown=0, NotChecked=0, Total=2756 [2021-01-26 17:58:26,867 INFO L78 Accepts]: Start accepts. Automaton has 161098 states. Word has length 110 [2021-01-26 17:58:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:26,867 INFO L481 AbstractCegarLoop]: Abstraction has 161098 states. [2021-01-26 17:58:26,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 161098 states. [2021-01-26 17:58:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:27,054 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:27,055 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:27,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-01-26 17:58:27,055 INFO L429 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]=== [2021-01-26 17:58:27,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:27,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1790583311, now seen corresponding path program 49 times [2021-01-26 17:58:27,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:27,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456306388] [2021-01-26 17:58:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:28,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456306388] [2021-01-26 17:58:28,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:28,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:58:28,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292276488] [2021-01-26 17:58:28,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:58:28,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:28,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:58:28,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:58:28,152 INFO L87 Difference]: Start difference. First operand 161098 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:29,682 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-26 17:58:30,414 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:58:30,652 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:58:30,928 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:58:31,320 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:58:31,679 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-26 17:58:32,138 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-26 17:58:32,559 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 17:58:33,032 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2021-01-26 17:58:34,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:34,347 INFO L93 Difference]: Finished difference Result 172066 states and 362335 transitions. [2021-01-26 17:58:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:58:34,349 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:34,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:34,582 INFO L225 Difference]: With dead ends: 172066 [2021-01-26 17:58:34,582 INFO L226 Difference]: Without dead ends: 172066 [2021-01-26 17:58:34,583 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:58:34,583 INFO L78 Accepts]: Start accepts. Automaton has 172066 states. Word has length 110 [2021-01-26 17:58:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:34,583 INFO L481 AbstractCegarLoop]: Abstraction has 172066 states. [2021-01-26 17:58:34,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 172066 states. [2021-01-26 17:58:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:34,790 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:34,791 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:34,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-01-26 17:58:34,791 INFO L429 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]=== [2021-01-26 17:58:34,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:34,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1720922257, now seen corresponding path program 50 times [2021-01-26 17:58:34,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:34,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155068270] [2021-01-26 17:58:34,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:35,713 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-01-26 17:58:37,188 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2021-01-26 17:58:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:37,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155068270] [2021-01-26 17:58:37,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:37,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:58:37,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114700434] [2021-01-26 17:58:37,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:58:37,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:37,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:58:37,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:58:37,281 INFO L87 Difference]: Start difference. First operand 172066 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:38,932 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 17:58:39,145 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:58:39,421 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:58:39,748 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:58:40,210 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:58:40,633 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-26 17:58:41,404 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-26 17:58:41,946 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-01-26 17:58:42,498 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:58:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:43,814 INFO L93 Difference]: Finished difference Result 170606 states and 358067 transitions. [2021-01-26 17:58:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:58:43,815 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:44,045 INFO L225 Difference]: With dead ends: 170606 [2021-01-26 17:58:44,045 INFO L226 Difference]: Without dead ends: 170606 [2021-01-26 17:58:44,046 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:58:44,047 INFO L78 Accepts]: Start accepts. Automaton has 170606 states. Word has length 110 [2021-01-26 17:58:44,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:44,047 INFO L481 AbstractCegarLoop]: Abstraction has 170606 states. [2021-01-26 17:58:44,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 170606 states. [2021-01-26 17:58:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:44,252 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:44,252 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:44,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-01-26 17:58:44,252 INFO L429 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]=== [2021-01-26 17:58:44,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:44,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1346249745, now seen corresponding path program 51 times [2021-01-26 17:58:44,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:44,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405950690] [2021-01-26 17:58:44,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:45,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405950690] [2021-01-26 17:58:45,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:45,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:58:45,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129355609] [2021-01-26 17:58:45,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:58:45,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:45,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:58:45,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:58:45,280 INFO L87 Difference]: Start difference. First operand 170606 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:47,556 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:58:47,822 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:58:48,122 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:58:48,544 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:58:48,929 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-26 17:58:49,306 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-01-26 17:58:49,843 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-01-26 17:58:50,497 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2021-01-26 17:58:51,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:51,738 INFO L93 Difference]: Finished difference Result 165893 states and 347056 transitions. [2021-01-26 17:58:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:58:51,739 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:51,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:58:51,978 INFO L225 Difference]: With dead ends: 165893 [2021-01-26 17:58:51,978 INFO L226 Difference]: Without dead ends: 165893 [2021-01-26 17:58:51,978 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:58:51,978 INFO L78 Accepts]: Start accepts. Automaton has 165893 states. Word has length 110 [2021-01-26 17:58:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:58:51,979 INFO L481 AbstractCegarLoop]: Abstraction has 165893 states. [2021-01-26 17:58:51,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 165893 states. [2021-01-26 17:58:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:58:52,196 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:58:52,196 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:58:52,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-01-26 17:58:52,197 INFO L429 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]=== [2021-01-26 17:58:52,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:58:52,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1083846271, now seen corresponding path program 11 times [2021-01-26 17:58:52,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:58:52,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359528408] [2021-01-26 17:58:52,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:58:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:58:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:58:53,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359528408] [2021-01-26 17:58:53,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:58:53,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:58:53,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76654536] [2021-01-26 17:58:53,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:58:53,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:58:53,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:58:53,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:58:53,552 INFO L87 Difference]: Start difference. First operand 165893 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:58:59,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:58:59,990 INFO L93 Difference]: Finished difference Result 175982 states and 368861 transitions. [2021-01-26 17:58:59,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-01-26 17:58:59,992 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:58:59,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:00,239 INFO L225 Difference]: With dead ends: 175982 [2021-01-26 17:59:00,239 INFO L226 Difference]: Without dead ends: 174382 [2021-01-26 17:59:00,240 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=982, Invalid=2098, Unknown=0, NotChecked=0, Total=3080 [2021-01-26 17:59:00,240 INFO L78 Accepts]: Start accepts. Automaton has 174382 states. Word has length 110 [2021-01-26 17:59:00,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:00,240 INFO L481 AbstractCegarLoop]: Abstraction has 174382 states. [2021-01-26 17:59:00,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 174382 states. [2021-01-26 17:59:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:00,758 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:00,758 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:00,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-01-26 17:59:00,758 INFO L429 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]=== [2021-01-26 17:59:00,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:00,759 INFO L82 PathProgramCache]: Analyzing trace with hash -566363403, now seen corresponding path program 52 times [2021-01-26 17:59:00,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:00,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639895505] [2021-01-26 17:59:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:01,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639895505] [2021-01-26 17:59:01,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:01,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:59:01,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070879502] [2021-01-26 17:59:01,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:59:01,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:59:01,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:59:01,728 INFO L87 Difference]: Start difference. First operand 174382 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:03,323 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 17:59:03,533 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:59:03,820 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:59:04,144 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:59:04,873 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:59:05,347 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:59:05,791 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2021-01-26 17:59:06,301 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-01-26 17:59:06,833 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-01-26 17:59:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:59:08,211 INFO L93 Difference]: Finished difference Result 174544 states and 366212 transitions. [2021-01-26 17:59:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:59:08,213 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:59:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:08,438 INFO L225 Difference]: With dead ends: 174544 [2021-01-26 17:59:08,439 INFO L226 Difference]: Without dead ends: 174544 [2021-01-26 17:59:08,439 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:59:08,439 INFO L78 Accepts]: Start accepts. Automaton has 174544 states. Word has length 110 [2021-01-26 17:59:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:08,439 INFO L481 AbstractCegarLoop]: Abstraction has 174544 states. [2021-01-26 17:59:08,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 174544 states. [2021-01-26 17:59:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:08,650 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:08,650 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:08,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-01-26 17:59:08,650 INFO L429 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]=== [2021-01-26 17:59:08,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:08,650 INFO L82 PathProgramCache]: Analyzing trace with hash -636024457, now seen corresponding path program 53 times [2021-01-26 17:59:08,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:08,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691856432] [2021-01-26 17:59:08,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:10,047 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 16 [2021-01-26 17:59:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:10,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691856432] [2021-01-26 17:59:10,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:10,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:59:10,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029501720] [2021-01-26 17:59:10,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:59:10,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:10,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:59:10,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:59:10,145 INFO L87 Difference]: Start difference. First operand 174544 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:12,343 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:59:12,616 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:59:12,924 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:59:13,364 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:59:13,828 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:59:14,259 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2021-01-26 17:59:14,782 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-01-26 17:59:15,273 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-01-26 17:59:16,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:59:16,891 INFO L93 Difference]: Finished difference Result 177129 states and 371163 transitions. [2021-01-26 17:59:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:59:16,893 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:59:16,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:17,185 INFO L225 Difference]: With dead ends: 177129 [2021-01-26 17:59:17,186 INFO L226 Difference]: Without dead ends: 177129 [2021-01-26 17:59:17,186 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:59:17,186 INFO L78 Accepts]: Start accepts. Automaton has 177129 states. Word has length 110 [2021-01-26 17:59:17,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:17,186 INFO L481 AbstractCegarLoop]: Abstraction has 177129 states. [2021-01-26 17:59:17,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 177129 states. [2021-01-26 17:59:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:17,415 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:17,415 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:17,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-01-26 17:59:17,415 INFO L429 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]=== [2021-01-26 17:59:17,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:17,416 INFO L82 PathProgramCache]: Analyzing trace with hash 498091731, now seen corresponding path program 54 times [2021-01-26 17:59:17,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:17,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853447837] [2021-01-26 17:59:17,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:18,185 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-01-26 17:59:18,516 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-01-26 17:59:19,340 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:59:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:19,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853447837] [2021-01-26 17:59:19,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:19,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:59:19,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683489771] [2021-01-26 17:59:19,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:59:19,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:19,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:59:19,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:59:19,438 INFO L87 Difference]: Start difference. First operand 177129 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:21,206 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:59:21,460 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:59:21,741 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:59:22,153 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 17:59:22,578 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 17:59:23,004 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 17:59:23,844 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 17:59:24,220 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-01-26 17:59:24,722 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-01-26 17:59:25,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:59:25,996 INFO L93 Difference]: Finished difference Result 172266 states and 359662 transitions. [2021-01-26 17:59:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 17:59:25,997 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:59:25,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:26,225 INFO L225 Difference]: With dead ends: 172266 [2021-01-26 17:59:26,226 INFO L226 Difference]: Without dead ends: 172266 [2021-01-26 17:59:26,226 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=448, Invalid=1532, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 17:59:26,226 INFO L78 Accepts]: Start accepts. Automaton has 172266 states. Word has length 110 [2021-01-26 17:59:26,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:26,226 INFO L481 AbstractCegarLoop]: Abstraction has 172266 states. [2021-01-26 17:59:26,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 172266 states. [2021-01-26 17:59:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:26,789 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:26,790 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:26,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-01-26 17:59:26,790 INFO L429 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]=== [2021-01-26 17:59:26,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:26,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1478711031, now seen corresponding path program 12 times [2021-01-26 17:59:26,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:26,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171422957] [2021-01-26 17:59:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:27,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171422957] [2021-01-26 17:59:27,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:27,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 17:59:27,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239418215] [2021-01-26 17:59:27,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 17:59:27,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:27,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 17:59:27,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 17:59:27,721 INFO L87 Difference]: Start difference. First operand 172266 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:35,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:59:35,012 INFO L93 Difference]: Finished difference Result 172256 states and 359611 transitions. [2021-01-26 17:59:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-26 17:59:35,013 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:59:35,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:35,466 INFO L225 Difference]: With dead ends: 172256 [2021-01-26 17:59:35,466 INFO L226 Difference]: Without dead ends: 170487 [2021-01-26 17:59:35,467 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1108, Invalid=2314, Unknown=0, NotChecked=0, Total=3422 [2021-01-26 17:59:35,467 INFO L78 Accepts]: Start accepts. Automaton has 170487 states. Word has length 110 [2021-01-26 17:59:35,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:35,468 INFO L481 AbstractCegarLoop]: Abstraction has 170487 states. [2021-01-26 17:59:35,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 170487 states. [2021-01-26 17:59:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:35,668 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:35,668 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:35,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-01-26 17:59:35,669 INFO L429 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]=== [2021-01-26 17:59:35,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:35,669 INFO L82 PathProgramCache]: Analyzing trace with hash -171498643, now seen corresponding path program 55 times [2021-01-26 17:59:35,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:35,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037658406] [2021-01-26 17:59:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:37,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037658406] [2021-01-26 17:59:37,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:37,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:59:37,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74410357] [2021-01-26 17:59:37,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:59:37,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:37,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:59:37,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:59:37,209 INFO L87 Difference]: Start difference. First operand 170487 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:39,093 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:59:39,360 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:59:39,892 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:59:40,334 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:59:40,738 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:59:41,170 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:59:41,657 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 17:59:42,160 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 17:59:43,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:59:43,650 INFO L93 Difference]: Finished difference Result 170649 states and 356654 transitions. [2021-01-26 17:59:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:59:43,652 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:59:43,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:43,860 INFO L225 Difference]: With dead ends: 170649 [2021-01-26 17:59:43,860 INFO L226 Difference]: Without dead ends: 170649 [2021-01-26 17:59:43,860 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:59:43,860 INFO L78 Accepts]: Start accepts. Automaton has 170649 states. Word has length 110 [2021-01-26 17:59:43,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:43,861 INFO L481 AbstractCegarLoop]: Abstraction has 170649 states. [2021-01-26 17:59:43,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 170649 states. [2021-01-26 17:59:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:44,061 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:44,061 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:44,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-01-26 17:59:44,061 INFO L429 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]=== [2021-01-26 17:59:44,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:44,062 INFO L82 PathProgramCache]: Analyzing trace with hash -241159697, now seen corresponding path program 56 times [2021-01-26 17:59:44,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:44,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124541938] [2021-01-26 17:59:44,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:45,173 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 16 [2021-01-26 17:59:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:45,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124541938] [2021-01-26 17:59:45,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:45,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:59:45,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924040639] [2021-01-26 17:59:45,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:59:45,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:45,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:59:45,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:59:45,272 INFO L87 Difference]: Start difference. First operand 170649 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:46,833 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 17:59:47,517 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:59:47,803 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:59:48,098 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:59:48,521 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:59:48,909 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:59:49,326 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 17:59:49,817 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-26 17:59:50,302 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 17:59:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:59:51,764 INFO L93 Difference]: Finished difference Result 173234 states and 361605 transitions. [2021-01-26 17:59:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 17:59:51,765 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 17:59:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:59:51,985 INFO L225 Difference]: With dead ends: 173234 [2021-01-26 17:59:51,986 INFO L226 Difference]: Without dead ends: 173234 [2021-01-26 17:59:51,986 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 17:59:51,986 INFO L78 Accepts]: Start accepts. Automaton has 173234 states. Word has length 110 [2021-01-26 17:59:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:59:51,986 INFO L481 AbstractCegarLoop]: Abstraction has 173234 states. [2021-01-26 17:59:51,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 173234 states. [2021-01-26 17:59:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 17:59:52,189 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:59:52,189 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:59:52,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-01-26 17:59:52,200 INFO L429 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]=== [2021-01-26 17:59:52,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:59:52,200 INFO L82 PathProgramCache]: Analyzing trace with hash 892956491, now seen corresponding path program 57 times [2021-01-26 17:59:52,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:59:52,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138810355] [2021-01-26 17:59:52,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:59:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:59:52,722 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-01-26 17:59:53,506 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 17:59:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:59:53,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138810355] [2021-01-26 17:59:53,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:59:53,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 17:59:53,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51592538] [2021-01-26 17:59:53,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 17:59:53,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:59:53,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 17:59:53,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 17:59:53,999 INFO L87 Difference]: Start difference. First operand 173234 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:59:56,042 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 17:59:56,323 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 17:59:56,622 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 17:59:57,067 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 17:59:57,471 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 17:59:57,915 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 17:59:58,438 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 17:59:58,874 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 17:59:59,651 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-01-26 18:00:00,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:00,878 INFO L93 Difference]: Finished difference Result 176151 states and 367377 transitions. [2021-01-26 18:00:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 18:00:00,879 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:00,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:01,054 INFO L225 Difference]: With dead ends: 176151 [2021-01-26 18:00:01,054 INFO L226 Difference]: Without dead ends: 176151 [2021-01-26 18:00:01,055 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=448, Invalid=1532, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 18:00:01,055 INFO L78 Accepts]: Start accepts. Automaton has 176151 states. Word has length 110 [2021-01-26 18:00:01,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:01,055 INFO L481 AbstractCegarLoop]: Abstraction has 176151 states. [2021-01-26 18:00:01,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 176151 states. [2021-01-26 18:00:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:01,216 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:01,216 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:01,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-01-26 18:00:01,216 INFO L429 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]=== [2021-01-26 18:00:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:01,216 INFO L82 PathProgramCache]: Analyzing trace with hash 713479569, now seen corresponding path program 58 times [2021-01-26 18:00:01,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:01,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121834779] [2021-01-26 18:00:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:02,807 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 18:00:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:02,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121834779] [2021-01-26 18:00:02,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:02,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:00:02,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913687533] [2021-01-26 18:00:02,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:00:02,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:02,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:00:02,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:00:02,900 INFO L87 Difference]: Start difference. First operand 176151 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:04,655 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:00:04,877 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:00:05,177 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-26 18:00:05,520 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:00:06,008 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 18:00:06,429 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-26 18:00:07,109 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-01-26 18:00:07,609 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 18:00:08,179 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 18:00:08,615 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 18:00:09,186 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-01-26 18:00:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:10,541 INFO L93 Difference]: Finished difference Result 171174 states and 355616 transitions. [2021-01-26 18:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 18:00:10,543 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:10,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:11,013 INFO L225 Difference]: With dead ends: 171174 [2021-01-26 18:00:11,013 INFO L226 Difference]: Without dead ends: 171174 [2021-01-26 18:00:11,014 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=477, Invalid=1593, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 18:00:11,014 INFO L78 Accepts]: Start accepts. Automaton has 171174 states. Word has length 110 [2021-01-26 18:00:11,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:11,014 INFO L481 AbstractCegarLoop]: Abstraction has 171174 states. [2021-01-26 18:00:11,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 171174 states. [2021-01-26 18:00:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:11,239 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:11,240 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:11,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-01-26 18:00:11,240 INFO L429 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]=== [2021-01-26 18:00:11,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:11,240 INFO L82 PathProgramCache]: Analyzing trace with hash 699958139, now seen corresponding path program 13 times [2021-01-26 18:00:11,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:11,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756728017] [2021-01-26 18:00:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:12,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756728017] [2021-01-26 18:00:12,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:12,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 18:00:12,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789426611] [2021-01-26 18:00:12,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 18:00:12,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:12,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 18:00:12,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 18:00:12,258 INFO L87 Difference]: Start difference. First operand 171174 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:18,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:18,755 INFO L93 Difference]: Finished difference Result 185584 states and 388162 transitions. [2021-01-26 18:00:18,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-26 18:00:18,757 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:18,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:18,976 INFO L225 Difference]: With dead ends: 185584 [2021-01-26 18:00:18,976 INFO L226 Difference]: Without dead ends: 184105 [2021-01-26 18:00:18,977 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=818, Invalid=1834, Unknown=0, NotChecked=0, Total=2652 [2021-01-26 18:00:18,977 INFO L78 Accepts]: Start accepts. Automaton has 184105 states. Word has length 110 [2021-01-26 18:00:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:18,977 INFO L481 AbstractCegarLoop]: Abstraction has 184105 states. [2021-01-26 18:00:18,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand 184105 states. [2021-01-26 18:00:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:19,178 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:19,178 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:19,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-01-26 18:00:19,178 INFO L429 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]=== [2021-01-26 18:00:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:19,179 INFO L82 PathProgramCache]: Analyzing trace with hash -950251535, now seen corresponding path program 59 times [2021-01-26 18:00:19,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:19,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574054068] [2021-01-26 18:00:19,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:19,758 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-01-26 18:00:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:20,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574054068] [2021-01-26 18:00:20,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:20,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:00:20,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023565858] [2021-01-26 18:00:20,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:00:20,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:20,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:00:20,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:00:20,651 INFO L87 Difference]: Start difference. First operand 184105 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:23,052 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:00:23,330 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:00:23,612 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:00:24,036 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 18:00:24,424 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-26 18:00:24,913 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-26 18:00:25,360 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 18:00:25,866 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2021-01-26 18:00:27,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:27,434 INFO L93 Difference]: Finished difference Result 196813 states and 412266 transitions. [2021-01-26 18:00:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:00:27,436 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:27,692 INFO L225 Difference]: With dead ends: 196813 [2021-01-26 18:00:27,695 INFO L226 Difference]: Without dead ends: 196813 [2021-01-26 18:00:27,695 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:00:27,696 INFO L78 Accepts]: Start accepts. Automaton has 196813 states. Word has length 110 [2021-01-26 18:00:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:27,696 INFO L481 AbstractCegarLoop]: Abstraction has 196813 states. [2021-01-26 18:00:27,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 196813 states. [2021-01-26 18:00:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:27,914 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:27,914 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:27,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-01-26 18:00:27,914 INFO L429 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]=== [2021-01-26 18:00:27,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:27,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1019912589, now seen corresponding path program 60 times [2021-01-26 18:00:27,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:27,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818464863] [2021-01-26 18:00:27,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:29,465 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2021-01-26 18:00:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:30,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818464863] [2021-01-26 18:00:30,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:30,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:00:30,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835182449] [2021-01-26 18:00:30,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:00:30,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:30,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:00:30,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:00:30,020 INFO L87 Difference]: Start difference. First operand 196813 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:32,153 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:00:32,473 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:00:32,799 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:00:33,279 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 18:00:33,717 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-26 18:00:34,274 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-26 18:00:34,836 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-01-26 18:00:35,575 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 18:00:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:36,870 INFO L93 Difference]: Finished difference Result 195353 states and 407998 transitions. [2021-01-26 18:00:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:00:36,871 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:37,069 INFO L225 Difference]: With dead ends: 195353 [2021-01-26 18:00:37,070 INFO L226 Difference]: Without dead ends: 195353 [2021-01-26 18:00:37,070 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:00:37,070 INFO L78 Accepts]: Start accepts. Automaton has 195353 states. Word has length 110 [2021-01-26 18:00:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:37,070 INFO L481 AbstractCegarLoop]: Abstraction has 195353 states. [2021-01-26 18:00:37,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 195353 states. [2021-01-26 18:00:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:37,247 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:37,248 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:37,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-01-26 18:00:37,248 INFO L429 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]=== [2021-01-26 18:00:37,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:37,248 INFO L82 PathProgramCache]: Analyzing trace with hash 207882705, now seen corresponding path program 61 times [2021-01-26 18:00:37,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:37,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270397732] [2021-01-26 18:00:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:39,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270397732] [2021-01-26 18:00:39,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:39,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:00:39,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298743666] [2021-01-26 18:00:39,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:00:39,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:39,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:00:39,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:00:39,014 INFO L87 Difference]: Start difference. First operand 195353 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:40,271 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 18:00:40,775 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:00:40,997 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:00:41,296 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:00:41,615 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:00:42,081 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 18:00:42,515 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-26 18:00:42,957 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-01-26 18:00:43,774 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-01-26 18:00:44,304 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2021-01-26 18:00:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:45,709 INFO L93 Difference]: Finished difference Result 190640 states and 396987 transitions. [2021-01-26 18:00:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:00:45,711 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:45,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:45,990 INFO L225 Difference]: With dead ends: 190640 [2021-01-26 18:00:45,990 INFO L226 Difference]: Without dead ends: 190640 [2021-01-26 18:00:45,990 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:00:45,990 INFO L78 Accepts]: Start accepts. Automaton has 190640 states. Word has length 110 [2021-01-26 18:00:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:45,991 INFO L481 AbstractCegarLoop]: Abstraction has 190640 states. [2021-01-26 18:00:45,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 190640 states. [2021-01-26 18:00:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:46,574 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:46,574 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:46,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-01-26 18:00:46,574 INFO L429 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]=== [2021-01-26 18:00:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:46,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1656988575, now seen corresponding path program 14 times [2021-01-26 18:00:46,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:46,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581523698] [2021-01-26 18:00:46,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:47,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581523698] [2021-01-26 18:00:47,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:47,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 18:00:47,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511131632] [2021-01-26 18:00:47,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 18:00:47,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:47,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 18:00:47,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 18:00:47,672 INFO L87 Difference]: Start difference. First operand 190640 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:51,238 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-26 18:00:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:00:54,609 INFO L93 Difference]: Finished difference Result 200729 states and 418792 transitions. [2021-01-26 18:00:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-01-26 18:00:54,611 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:00:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:00:55,224 INFO L225 Difference]: With dead ends: 200729 [2021-01-26 18:00:55,224 INFO L226 Difference]: Without dead ends: 199129 [2021-01-26 18:00:55,225 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=945, Invalid=2025, Unknown=0, NotChecked=0, Total=2970 [2021-01-26 18:00:55,225 INFO L78 Accepts]: Start accepts. Automaton has 199129 states. Word has length 110 [2021-01-26 18:00:55,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:00:55,225 INFO L481 AbstractCegarLoop]: Abstraction has 199129 states. [2021-01-26 18:00:55,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 199129 states. [2021-01-26 18:00:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:00:55,440 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:00:55,440 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:00:55,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-01-26 18:00:55,441 INFO L429 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]=== [2021-01-26 18:00:55,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:00:55,441 INFO L82 PathProgramCache]: Analyzing trace with hash 987769047, now seen corresponding path program 62 times [2021-01-26 18:00:55,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:00:55,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10833060] [2021-01-26 18:00:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:00:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:00:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:00:56,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10833060] [2021-01-26 18:00:56,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:00:56,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:00:56,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181207341] [2021-01-26 18:00:56,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:00:56,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:00:56,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:00:56,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:00:56,595 INFO L87 Difference]: Start difference. First operand 199129 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:00:58,438 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:00:58,676 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:00:58,964 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:00:59,701 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:01:00,144 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 18:01:00,597 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 18:01:01,009 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2021-01-26 18:01:01,492 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-01-26 18:01:01,997 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-01-26 18:01:03,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:03,736 INFO L93 Difference]: Finished difference Result 199291 states and 416143 transitions. [2021-01-26 18:01:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:01:03,738 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:03,967 INFO L225 Difference]: With dead ends: 199291 [2021-01-26 18:01:03,970 INFO L226 Difference]: Without dead ends: 199291 [2021-01-26 18:01:03,970 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:01:03,970 INFO L78 Accepts]: Start accepts. Automaton has 199291 states. Word has length 110 [2021-01-26 18:01:03,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:03,971 INFO L481 AbstractCegarLoop]: Abstraction has 199291 states. [2021-01-26 18:01:03,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 199291 states. [2021-01-26 18:01:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:04,177 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:04,177 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:04,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-01-26 18:01:04,178 INFO L429 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]=== [2021-01-26 18:01:04,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:04,178 INFO L82 PathProgramCache]: Analyzing trace with hash 918107993, now seen corresponding path program 63 times [2021-01-26 18:01:04,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:04,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479049302] [2021-01-26 18:01:04,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:01:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:01:05,266 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 16 [2021-01-26 18:01:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:01:05,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479049302] [2021-01-26 18:01:05,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:01:05,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:01:05,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328392655] [2021-01-26 18:01:05,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:01:05,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:01:05,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:01:05,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:01:05,365 INFO L87 Difference]: Start difference. First operand 199291 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:07,691 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:01:07,898 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:01:08,185 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:01:08,477 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:01:08,930 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 18:01:09,389 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 18:01:09,810 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2021-01-26 18:01:10,333 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-01-26 18:01:10,818 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-01-26 18:01:12,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:12,338 INFO L93 Difference]: Finished difference Result 201876 states and 421094 transitions. [2021-01-26 18:01:12,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:01:12,340 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:12,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:12,544 INFO L225 Difference]: With dead ends: 201876 [2021-01-26 18:01:12,544 INFO L226 Difference]: Without dead ends: 201876 [2021-01-26 18:01:12,544 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:01:12,544 INFO L78 Accepts]: Start accepts. Automaton has 201876 states. Word has length 110 [2021-01-26 18:01:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:12,545 INFO L481 AbstractCegarLoop]: Abstraction has 201876 states. [2021-01-26 18:01:12,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 201876 states. [2021-01-26 18:01:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:12,737 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:12,737 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:12,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-01-26 18:01:12,737 INFO L429 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]=== [2021-01-26 18:01:12,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:12,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2052224181, now seen corresponding path program 64 times [2021-01-26 18:01:12,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:12,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115731827] [2021-01-26 18:01:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:01:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:01:13,791 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-01-26 18:01:14,471 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 18:01:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:01:14,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115731827] [2021-01-26 18:01:14,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:01:14,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:01:14,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18109139] [2021-01-26 18:01:14,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:01:14,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:01:14,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:01:14,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:01:14,564 INFO L87 Difference]: Start difference. First operand 201876 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:15,890 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 18:01:16,424 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:01:16,655 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:01:16,972 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:01:17,295 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:01:17,801 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-01-26 18:01:18,318 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2021-01-26 18:01:18,838 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 18:01:19,684 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 18:01:20,121 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-01-26 18:01:20,702 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-01-26 18:01:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:22,022 INFO L93 Difference]: Finished difference Result 197013 states and 409593 transitions. [2021-01-26 18:01:22,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 18:01:22,024 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:22,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:22,235 INFO L225 Difference]: With dead ends: 197013 [2021-01-26 18:01:22,235 INFO L226 Difference]: Without dead ends: 197013 [2021-01-26 18:01:22,235 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=448, Invalid=1532, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 18:01:22,235 INFO L78 Accepts]: Start accepts. Automaton has 197013 states. Word has length 110 [2021-01-26 18:01:22,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:22,236 INFO L481 AbstractCegarLoop]: Abstraction has 197013 states. [2021-01-26 18:01:22,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 197013 states. [2021-01-26 18:01:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:22,786 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:22,786 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:22,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-01-26 18:01:22,787 INFO L429 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]=== [2021-01-26 18:01:22,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:22,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1262123815, now seen corresponding path program 15 times [2021-01-26 18:01:22,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:22,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924509582] [2021-01-26 18:01:22,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:01:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:01:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:01:23,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924509582] [2021-01-26 18:01:23,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:01:23,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 18:01:23,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582353042] [2021-01-26 18:01:23,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 18:01:23,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:01:23,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 18:01:23,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 18:01:23,768 INFO L87 Difference]: Start difference. First operand 197013 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:31,300 INFO L93 Difference]: Finished difference Result 208731 states and 434964 transitions. [2021-01-26 18:01:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-01-26 18:01:31,307 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:31,562 INFO L225 Difference]: With dead ends: 208731 [2021-01-26 18:01:31,562 INFO L226 Difference]: Without dead ends: 206962 [2021-01-26 18:01:31,562 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1070, Invalid=2236, Unknown=0, NotChecked=0, Total=3306 [2021-01-26 18:01:31,562 INFO L78 Accepts]: Start accepts. Automaton has 206962 states. Word has length 110 [2021-01-26 18:01:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:31,562 INFO L481 AbstractCegarLoop]: Abstraction has 206962 states. [2021-01-26 18:01:31,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 206962 states. [2021-01-26 18:01:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:31,736 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:31,736 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:31,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-01-26 18:01:31,736 INFO L429 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]=== [2021-01-26 18:01:31,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:31,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1382633807, now seen corresponding path program 65 times [2021-01-26 18:01:31,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:31,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056330890] [2021-01-26 18:01:31,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:01:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:01:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:01:32,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056330890] [2021-01-26 18:01:32,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:01:32,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:01:32,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660706391] [2021-01-26 18:01:32,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:01:32,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:01:32,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:01:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:01:32,800 INFO L87 Difference]: Start difference. First operand 206962 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:34,126 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 18:01:34,667 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:01:34,905 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:01:35,597 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:01:35,920 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:01:36,416 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 18:01:36,903 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 18:01:37,401 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 18:01:37,961 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-26 18:01:38,546 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-01-26 18:01:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:40,112 INFO L93 Difference]: Finished difference Result 207124 states and 432007 transitions. [2021-01-26 18:01:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:01:40,114 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:40,309 INFO L225 Difference]: With dead ends: 207124 [2021-01-26 18:01:40,310 INFO L226 Difference]: Without dead ends: 207124 [2021-01-26 18:01:40,310 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:01:40,310 INFO L78 Accepts]: Start accepts. Automaton has 207124 states. Word has length 110 [2021-01-26 18:01:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:40,310 INFO L481 AbstractCegarLoop]: Abstraction has 207124 states. [2021-01-26 18:01:40,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 207124 states. [2021-01-26 18:01:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:40,491 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:40,492 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:40,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-01-26 18:01:40,492 INFO L429 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]=== [2021-01-26 18:01:40,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:40,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1312972753, now seen corresponding path program 66 times [2021-01-26 18:01:40,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:40,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598433252] [2021-01-26 18:01:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:01:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:01:41,719 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 16 [2021-01-26 18:01:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:01:41,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598433252] [2021-01-26 18:01:41,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:01:41,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:01:41,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869083804] [2021-01-26 18:01:41,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:01:41,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:01:41,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:01:41,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:01:41,816 INFO L87 Difference]: Start difference. First operand 207124 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:42,535 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-01-26 18:01:43,540 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 18:01:44,064 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:01:44,302 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:01:44,631 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:01:44,963 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:01:45,486 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 18:01:45,979 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 18:01:46,476 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-01-26 18:01:47,071 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-26 18:01:47,642 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-01-26 18:01:49,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:49,234 INFO L93 Difference]: Finished difference Result 209709 states and 436958 transitions. [2021-01-26 18:01:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-26 18:01:49,236 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:49,476 INFO L225 Difference]: With dead ends: 209709 [2021-01-26 18:01:49,476 INFO L226 Difference]: Without dead ends: 209709 [2021-01-26 18:01:49,476 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=418, Invalid=1474, Unknown=0, NotChecked=0, Total=1892 [2021-01-26 18:01:49,476 INFO L78 Accepts]: Start accepts. Automaton has 209709 states. Word has length 110 [2021-01-26 18:01:49,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:49,477 INFO L481 AbstractCegarLoop]: Abstraction has 209709 states. [2021-01-26 18:01:49,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 209709 states. [2021-01-26 18:01:49,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:49,684 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:49,685 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:49,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-01-26 18:01:49,685 INFO L429 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]=== [2021-01-26 18:01:49,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:49,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1847878355, now seen corresponding path program 67 times [2021-01-26 18:01:49,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:49,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822575728] [2021-01-26 18:01:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:01:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:01:50,672 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-01-26 18:01:51,420 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 18:01:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:01:51,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822575728] [2021-01-26 18:01:51,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:01:51,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:01:51,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016079559] [2021-01-26 18:01:51,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:01:51,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:01:51,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:01:51,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:01:51,518 INFO L87 Difference]: Start difference. First operand 209709 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:52,842 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 18:01:53,365 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:01:53,597 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:01:53,928 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:01:54,261 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:01:54,788 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 18:01:55,283 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-01-26 18:01:55,806 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-26 18:01:56,377 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-26 18:01:57,111 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 18:01:57,691 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-01-26 18:01:59,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:01:59,411 INFO L93 Difference]: Finished difference Result 212626 states and 442730 transitions. [2021-01-26 18:01:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-01-26 18:01:59,413 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:01:59,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:01:59,694 INFO L225 Difference]: With dead ends: 212626 [2021-01-26 18:01:59,694 INFO L226 Difference]: Without dead ends: 212626 [2021-01-26 18:01:59,694 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=448, Invalid=1532, Unknown=0, NotChecked=0, Total=1980 [2021-01-26 18:01:59,694 INFO L78 Accepts]: Start accepts. Automaton has 212626 states. Word has length 110 [2021-01-26 18:01:59,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:01:59,695 INFO L481 AbstractCegarLoop]: Abstraction has 212626 states. [2021-01-26 18:01:59,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:01:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 212626 states. [2021-01-26 18:01:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:01:59,967 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:01:59,967 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:01:59,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-01-26 18:01:59,967 INFO L429 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]=== [2021-01-26 18:01:59,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:01:59,968 INFO L82 PathProgramCache]: Analyzing trace with hash -2027355277, now seen corresponding path program 68 times [2021-01-26 18:01:59,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:01:59,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070676968] [2021-01-26 18:01:59,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:02:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:02:01,326 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2021-01-26 18:02:01,857 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2021-01-26 18:02:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:02:01,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070676968] [2021-01-26 18:02:01,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:02:01,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:02:01,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178676032] [2021-01-26 18:02:01,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:02:01,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:02:01,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:02:01,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:02:01,896 INFO L87 Difference]: Start difference. First operand 212626 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:02:03,295 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-26 18:02:03,834 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2021-01-26 18:02:04,063 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-26 18:02:04,386 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-01-26 18:02:04,700 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-26 18:02:05,217 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-26 18:02:05,637 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-26 18:02:06,081 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-01-26 18:02:06,579 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-01-26 18:02:07,150 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-01-26 18:02:07,772 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-01-26 18:02:08,424 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-01-26 18:02:10,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:02:10,255 INFO L93 Difference]: Finished difference Result 207649 states and 430969 transitions. [2021-01-26 18:02:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-26 18:02:10,257 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:02:10,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:02:10,558 INFO L225 Difference]: With dead ends: 207649 [2021-01-26 18:02:10,558 INFO L226 Difference]: Without dead ends: 207649 [2021-01-26 18:02:10,559 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=477, Invalid=1593, Unknown=0, NotChecked=0, Total=2070 [2021-01-26 18:02:10,559 INFO L78 Accepts]: Start accepts. Automaton has 207649 states. Word has length 110 [2021-01-26 18:02:10,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:02:10,559 INFO L481 AbstractCegarLoop]: Abstraction has 207649 states. [2021-01-26 18:02:10,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:02:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 207649 states. [2021-01-26 18:02:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:02:11,244 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:02:11,244 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:02:11,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-01-26 18:02:11,244 INFO L429 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]=== [2021-01-26 18:02:11,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:02:11,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1690079433, now seen corresponding path program 16 times [2021-01-26 18:02:11,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:02:11,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911155225] [2021-01-26 18:02:11,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:02:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:02:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:02:12,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911155225] [2021-01-26 18:02:12,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:02:12,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-01-26 18:02:12,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041887545] [2021-01-26 18:02:12,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-01-26 18:02:12,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:02:12,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-01-26 18:02:12,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-01-26 18:02:12,425 INFO L87 Difference]: Start difference. First operand 207649 states. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:02:20,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 18:02:20,875 INFO L93 Difference]: Finished difference Result 207638 states and 430913 transitions. [2021-01-26 18:02:20,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-01-26 18:02:20,877 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-01-26 18:02:20,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 18:02:21,447 INFO L225 Difference]: With dead ends: 207638 [2021-01-26 18:02:21,447 INFO L226 Difference]: Without dead ends: 205700 [2021-01-26 18:02:21,447 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1193, Invalid=2467, Unknown=0, NotChecked=0, Total=3660 [2021-01-26 18:02:21,447 INFO L78 Accepts]: Start accepts. Automaton has 205700 states. Word has length 110 [2021-01-26 18:02:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 18:02:21,448 INFO L481 AbstractCegarLoop]: Abstraction has 205700 states. [2021-01-26 18:02:21,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 18:02:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 205700 states. [2021-01-26 18:02:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-26 18:02:21,776 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 18:02:21,776 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 18:02:21,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-01-26 18:02:21,776 INFO L429 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]=== [2021-01-26 18:02:21,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 18:02:21,777 INFO L82 PathProgramCache]: Analyzing trace with hash 954678189, now seen corresponding path program 69 times [2021-01-26 18:02:21,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 18:02:21,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474818649] [2021-01-26 18:02:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 18:02:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 18:02:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 18:02:22,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474818649] [2021-01-26 18:02:22,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 18:02:22,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-01-26 18:02:22,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513667464] [2021-01-26 18:02:22,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-26 18:02:22,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 18:02:22,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-26 18:02:22,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-01-26 18:02:22,930 INFO L87 Difference]: Start difference. First operand 205700 states. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2021-01-26 18:02:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-26 18:02:22,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-01-26 18:02:22,986 WARN L546 AbstractCegarLoop]: Verification canceled [2021-01-26 18:02:22,998 WARN L250 ceAbstractionStarter]: Timeout [2021-01-26 18:02:23,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 06:02:22 BasicIcfg [2021-01-26 18:02:23,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 18:02:23,006 INFO L168 Benchmark]: Toolchain (without parser) took 612962.38 ms. Allocated memory was 302.0 MB in the beginning and 11.9 GB in the end (delta: 11.6 GB). Free memory was 273.8 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. [2021-01-26 18:02:23,006 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory was 270.6 MB in the beginning and 270.5 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 18:02:23,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1446.76 ms. Allocated memory was 302.0 MB in the beginning and 388.0 MB in the end (delta: 86.0 MB). Free memory was 272.8 MB in the beginning and 345.7 MB in the end (delta: -72.9 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.0 GB. [2021-01-26 18:02:23,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.25 ms. Allocated memory is still 388.0 MB. Free memory was 345.7 MB in the beginning and 342.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 18:02:23,006 INFO L168 Benchmark]: Boogie Preprocessor took 54.85 ms. Allocated memory is still 388.0 MB. Free memory was 342.6 MB in the beginning and 340.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-01-26 18:02:23,006 INFO L168 Benchmark]: RCFGBuilder took 1160.40 ms. Allocated memory is still 388.0 MB. Free memory was 339.5 MB in the beginning and 290.2 MB in the end (delta: 49.3 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-01-26 18:02:23,007 INFO L168 Benchmark]: TraceAbstraction took 610181.91 ms. Allocated memory was 388.0 MB in the beginning and 11.9 GB in the end (delta: 11.5 GB). Free memory was 289.1 MB in the beginning and 3.1 GB in the end (delta: -2.8 GB). Peak memory consumption was 8.6 GB. Max. memory is 16.0 GB. [2021-01-26 18:02:23,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory was 270.6 MB in the beginning and 270.5 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1446.76 ms. Allocated memory was 302.0 MB in the beginning and 388.0 MB in the end (delta: 86.0 MB). Free memory was 272.8 MB in the beginning and 345.7 MB in the end (delta: -72.9 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 92.25 ms. Allocated memory is still 388.0 MB. Free memory was 345.7 MB in the beginning and 342.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 54.85 ms. Allocated memory is still 388.0 MB. Free memory was 342.6 MB in the beginning and 340.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1160.40 ms. Allocated memory is still 388.0 MB. Free memory was 339.5 MB in the beginning and 290.2 MB in the end (delta: 49.3 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 610181.91 ms. Allocated memory was 388.0 MB in the beginning and 11.9 GB in the end (delta: 11.5 GB). Free memory was 289.1 MB in the beginning and 3.1 GB in the end (delta: -2.8 GB). Peak memory consumption was 8.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (205700states) and FLOYD_HOARE automaton (currently 3 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (205700states) and FLOYD_HOARE automaton (currently 3 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (205700states) and FLOYD_HOARE automaton (currently 3 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (205700states) and FLOYD_HOARE automaton (currently 3 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (205700states) and FLOYD_HOARE automaton (currently 3 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (205700states) and FLOYD_HOARE automaton (currently 3 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 22 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 158 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 609.9s, OverallIterations: 90, TraceHistogramMax: 1, AutomataDifference: 497.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 31665 SDtfs, 113080 SDslu, 257744 SDs, 0 SdLazy, 90411 SolverSat, 4282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 229 SyntacticMatches, 61 SemanticMatches, 3819 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17418 ImplicationChecksByTransitivity, 366.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212626occurred in iteration=87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 87.8s InterpolantComputationTime, 9638 NumberOfCodeBlocks, 9638 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 9548 ConstructedInterpolants, 0 QuantifiedInterpolants, 7686302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 90 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 !ENTRY org.eclipse.osgi 4 0 2021-01-26 18:02:23.279 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0a75a84/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0a75a84/.metadata/.log.