/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:40:59,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:40:59,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:40:59,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:40:59,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:40:59,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:40:59,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:40:59,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:40:59,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:40:59,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:40:59,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:40:59,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:40:59,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:40:59,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:40:59,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:40:59,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:40:59,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:40:59,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:40:59,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:40:59,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:40:59,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:40:59,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:40:59,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:40:59,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:40:59,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 11:40:59,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 11:40:59,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 11:40:59,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 11:40:59,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 11:40:59,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 11:40:59,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:40:59,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:40:59,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:40:59,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:40:59,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:40:59,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:40:59,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:40:59,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:40:59,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:40:59,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:40:59,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:40:59,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:40:59,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:40:59,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:40:59,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:40:59,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:40:59,752 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:40:59,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:40:59,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:40:59,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:40:59,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:40:59,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:40:59,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:40:59,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:40:59,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:40:59,755 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:40:59,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:40:59,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:40:59,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:40:59,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:40:59,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:40:59,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:40:59,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:40:59,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:40:59,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:40:59,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:40:59,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:40:59,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:40:59,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:40:59,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:40:59,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:41:00,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:41:00,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:41:00,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:41:00,041 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:41:00,041 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:41:00,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2020-10-16 11:41:00,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b82355580/0c44a37c8d074722830f3ea284cc7f61/FLAG619e7c54f [2020-10-16 11:41:00,619 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:41:00,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/stack-2.i [2020-10-16 11:41:00,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b82355580/0c44a37c8d074722830f3ea284cc7f61/FLAG619e7c54f [2020-10-16 11:41:00,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b82355580/0c44a37c8d074722830f3ea284cc7f61 [2020-10-16 11:41:00,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:41:00,930 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:41:00,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:41:00,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:41:00,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:41:00,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:41:00" (1/1) ... [2020-10-16 11:41:00,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1c832f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:00, skipping insertion in model container [2020-10-16 11:41:00,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:41:00" (1/1) ... [2020-10-16 11:41:00,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:41:00,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:41:01,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:41:01,544 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:41:01,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:41:01,739 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:41:01,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01 WrapperNode [2020-10-16 11:41:01,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:41:01,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:41:01,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:41:01,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:41:01,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:41:01,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:41:01,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:41:01,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:41:01,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... [2020-10-16 11:41:01,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:41:01,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:41:01,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:41:01,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:41:01,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:41:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 11:41:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 11:41:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 11:41:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 11:41:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:41:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:41:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 11:41:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:41:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 11:41:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 11:41:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:41:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:41:01,955 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:41:02,438 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:41:02,439 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-16 11:41:02,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:41:02 BoogieIcfgContainer [2020-10-16 11:41:02,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:41:02,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:41:02,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:41:02,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:41:02,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:41:00" (1/3) ... [2020-10-16 11:41:02,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1267dc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:41:02, skipping insertion in model container [2020-10-16 11:41:02,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:01" (2/3) ... [2020-10-16 11:41:02,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1267dc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:41:02, skipping insertion in model container [2020-10-16 11:41:02,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:41:02" (3/3) ... [2020-10-16 11:41:02,463 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2020-10-16 11:41:02,474 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:41:02,474 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:41:02,482 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:41:02,483 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:41:02,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,525 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,525 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,526 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,533 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,533 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,533 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,534 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,534 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,534 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,534 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,534 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,539 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,539 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,545 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,546 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,563 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,564 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:02,573 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 11:41:02,587 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 11:41:02,607 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:41:02,608 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:41:02,608 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:41:02,608 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:41:02,608 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:41:02,608 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:41:02,608 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:41:02,608 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:41:02,623 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:41:02,624 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-16 11:41:02,627 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-16 11:41:02,629 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 320 flow [2020-10-16 11:41:02,694 INFO L129 PetriNetUnfolder]: 11/149 cut-off events. [2020-10-16 11:41:02,695 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 11:41:02,702 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 149 events. 11/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 386 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-16 11:41:02,709 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-16 11:41:05,319 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-16 11:41:05,452 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-16 11:41:06,042 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2020-10-16 11:41:06,299 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-16 11:41:06,311 INFO L132 LiptonReduction]: Checked pairs total: 12406 [2020-10-16 11:41:06,311 INFO L134 LiptonReduction]: Total number of compositions: 131 [2020-10-16 11:41:06,317 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 42 transitions, 106 flow [2020-10-16 11:41:06,346 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 385 states. [2020-10-16 11:41:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states. [2020-10-16 11:41:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 11:41:06,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:06,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 11:41:06,357 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:06,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:06,362 INFO L82 PathProgramCache]: Analyzing trace with hash 827700574, now seen corresponding path program 1 times [2020-10-16 11:41:06,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:06,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213304045] [2020-10-16 11:41:06,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:06,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213304045] [2020-10-16 11:41:06,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:06,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:41:06,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536320471] [2020-10-16 11:41:06,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:06,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:06,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:06,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:06,621 INFO L87 Difference]: Start difference. First operand 385 states. Second operand 3 states. [2020-10-16 11:41:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:06,700 INFO L93 Difference]: Finished difference Result 702 states and 1789 transitions. [2020-10-16 11:41:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:06,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 11:41:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:06,736 INFO L225 Difference]: With dead ends: 702 [2020-10-16 11:41:06,736 INFO L226 Difference]: Without dead ends: 680 [2020-10-16 11:41:06,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:06,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-16 11:41:06,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 497. [2020-10-16 11:41:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2020-10-16 11:41:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 1332 transitions. [2020-10-16 11:41:06,837 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 1332 transitions. Word has length 6 [2020-10-16 11:41:06,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:06,838 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 1332 transitions. [2020-10-16 11:41:06,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:41:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1332 transitions. [2020-10-16 11:41:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 11:41:06,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:06,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:06,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:41:06,841 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:06,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:06,841 INFO L82 PathProgramCache]: Analyzing trace with hash -694884820, now seen corresponding path program 1 times [2020-10-16 11:41:06,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:06,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266845897] [2020-10-16 11:41:06,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:06,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266845897] [2020-10-16 11:41:06,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:06,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:41:06,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487651084] [2020-10-16 11:41:06,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:06,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:06,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:06,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:06,986 INFO L87 Difference]: Start difference. First operand 497 states and 1332 transitions. Second operand 3 states. [2020-10-16 11:41:07,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:07,003 INFO L93 Difference]: Finished difference Result 615 states and 1590 transitions. [2020-10-16 11:41:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:07,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 11:41:07,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:07,012 INFO L225 Difference]: With dead ends: 615 [2020-10-16 11:41:07,012 INFO L226 Difference]: Without dead ends: 588 [2020-10-16 11:41:07,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:07,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2020-10-16 11:41:07,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 548. [2020-10-16 11:41:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-16 11:41:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1459 transitions. [2020-10-16 11:41:07,045 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1459 transitions. Word has length 9 [2020-10-16 11:41:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:07,046 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 1459 transitions. [2020-10-16 11:41:07,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:41:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1459 transitions. [2020-10-16 11:41:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 11:41:07,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:07,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:07,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:41:07,049 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:07,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:07,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2025683329, now seen corresponding path program 1 times [2020-10-16 11:41:07,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:07,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551259439] [2020-10-16 11:41:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:07,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551259439] [2020-10-16 11:41:07,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:07,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:41:07,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613869224] [2020-10-16 11:41:07,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:07,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:07,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:07,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:07,102 INFO L87 Difference]: Start difference. First operand 548 states and 1459 transitions. Second operand 3 states. [2020-10-16 11:41:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:07,118 INFO L93 Difference]: Finished difference Result 590 states and 1567 transitions. [2020-10-16 11:41:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:07,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 11:41:07,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:07,123 INFO L225 Difference]: With dead ends: 590 [2020-10-16 11:41:07,123 INFO L226 Difference]: Without dead ends: 590 [2020-10-16 11:41:07,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:07,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-16 11:41:07,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2020-10-16 11:41:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-16 11:41:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 1567 transitions. [2020-10-16 11:41:07,145 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 1567 transitions. Word has length 10 [2020-10-16 11:41:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:07,145 INFO L481 AbstractCegarLoop]: Abstraction has 590 states and 1567 transitions. [2020-10-16 11:41:07,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:41:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1567 transitions. [2020-10-16 11:41:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:41:07,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:07,148 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:07,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:41:07,148 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:07,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2079431227, now seen corresponding path program 1 times [2020-10-16 11:41:07,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:07,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993324774] [2020-10-16 11:41:07,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:07,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993324774] [2020-10-16 11:41:07,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994174406] [2020-10-16 11:41:07,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 11:41:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:07,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-16 11:41:07,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 11:41:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:07,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 11:41:07,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-16 11:41:07,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050507879] [2020-10-16 11:41:07,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:41:07,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:07,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:41:07,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:41:07,414 INFO L87 Difference]: Start difference. First operand 590 states and 1567 transitions. Second operand 7 states. [2020-10-16 11:41:07,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:07,513 INFO L93 Difference]: Finished difference Result 1106 states and 2834 transitions. [2020-10-16 11:41:07,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:41:07,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 11:41:07,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:07,521 INFO L225 Difference]: With dead ends: 1106 [2020-10-16 11:41:07,521 INFO L226 Difference]: Without dead ends: 1106 [2020-10-16 11:41:07,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:41:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2020-10-16 11:41:07,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 806. [2020-10-16 11:41:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2020-10-16 11:41:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 2150 transitions. [2020-10-16 11:41:07,550 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 2150 transitions. Word has length 14 [2020-10-16 11:41:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:07,551 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 2150 transitions. [2020-10-16 11:41:07,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:41:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 2150 transitions. [2020-10-16 11:41:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:41:07,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:07,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:07,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 11:41:07,769 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:07,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:07,770 INFO L82 PathProgramCache]: Analyzing trace with hash -928241881, now seen corresponding path program 1 times [2020-10-16 11:41:07,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:07,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316350999] [2020-10-16 11:41:07,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:07,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316350999] [2020-10-16 11:41:07,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:07,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:41:07,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124735954] [2020-10-16 11:41:07,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:41:07,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:07,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:41:07,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:41:07,862 INFO L87 Difference]: Start difference. First operand 806 states and 2150 transitions. Second operand 4 states. [2020-10-16 11:41:07,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:07,892 INFO L93 Difference]: Finished difference Result 369 states and 831 transitions. [2020-10-16 11:41:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:07,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-16 11:41:07,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:07,894 INFO L225 Difference]: With dead ends: 369 [2020-10-16 11:41:07,895 INFO L226 Difference]: Without dead ends: 365 [2020-10-16 11:41:07,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:41:07,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-10-16 11:41:07,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 335. [2020-10-16 11:41:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-16 11:41:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 746 transitions. [2020-10-16 11:41:07,905 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 746 transitions. Word has length 17 [2020-10-16 11:41:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:07,905 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 746 transitions. [2020-10-16 11:41:07,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:41:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 746 transitions. [2020-10-16 11:41:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 11:41:07,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:07,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:07,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:41:07,907 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:07,908 INFO L82 PathProgramCache]: Analyzing trace with hash 109793536, now seen corresponding path program 1 times [2020-10-16 11:41:07,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:07,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390909255] [2020-10-16 11:41:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:07,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390909255] [2020-10-16 11:41:07,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:07,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:41:07,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825181593] [2020-10-16 11:41:07,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:41:07,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:07,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:41:07,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:41:07,976 INFO L87 Difference]: Start difference. First operand 335 states and 746 transitions. Second operand 5 states. [2020-10-16 11:41:08,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:08,041 INFO L93 Difference]: Finished difference Result 521 states and 1153 transitions. [2020-10-16 11:41:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:41:08,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 11:41:08,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:08,045 INFO L225 Difference]: With dead ends: 521 [2020-10-16 11:41:08,045 INFO L226 Difference]: Without dead ends: 521 [2020-10-16 11:41:08,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:41:08,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2020-10-16 11:41:08,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 387. [2020-10-16 11:41:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-10-16 11:41:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 865 transitions. [2020-10-16 11:41:08,058 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 865 transitions. Word has length 18 [2020-10-16 11:41:08,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:08,058 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 865 transitions. [2020-10-16 11:41:08,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:41:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 865 transitions. [2020-10-16 11:41:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:41:08,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:08,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:08,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:41:08,060 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:08,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:08,061 INFO L82 PathProgramCache]: Analyzing trace with hash -557418516, now seen corresponding path program 1 times [2020-10-16 11:41:08,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:08,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496042112] [2020-10-16 11:41:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:08,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496042112] [2020-10-16 11:41:08,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:08,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-16 11:41:08,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046690163] [2020-10-16 11:41:08,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-16 11:41:08,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:08,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-16 11:41:08,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-16 11:41:08,541 INFO L87 Difference]: Start difference. First operand 387 states and 865 transitions. Second operand 15 states. [2020-10-16 11:41:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:10,012 INFO L93 Difference]: Finished difference Result 765 states and 1674 transitions. [2020-10-16 11:41:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-16 11:41:10,012 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 22 [2020-10-16 11:41:10,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:10,017 INFO L225 Difference]: With dead ends: 765 [2020-10-16 11:41:10,017 INFO L226 Difference]: Without dead ends: 765 [2020-10-16 11:41:10,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2020-10-16 11:41:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2020-10-16 11:41:10,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 490. [2020-10-16 11:41:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-16 11:41:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 1102 transitions. [2020-10-16 11:41:10,033 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 1102 transitions. Word has length 22 [2020-10-16 11:41:10,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:10,033 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 1102 transitions. [2020-10-16 11:41:10,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-16 11:41:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1102 transitions. [2020-10-16 11:41:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:41:10,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:10,035 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-16 11:41:10,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:41:10,035 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:10,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1386200876, now seen corresponding path program 2 times [2020-10-16 11:41:10,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:10,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038382610] [2020-10-16 11:41:10,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:10,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038382610] [2020-10-16 11:41:10,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501150304] [2020-10-16 11:41:10,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 11:41:10,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 11:41:10,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 11:41:10,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-16 11:41:10,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 11:41:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:10,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 11:41:10,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-16 11:41:10,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482617330] [2020-10-16 11:41:10,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:41:10,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:10,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:41:10,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:41:10,282 INFO L87 Difference]: Start difference. First operand 490 states and 1102 transitions. Second operand 9 states. [2020-10-16 11:41:10,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:10,357 INFO L93 Difference]: Finished difference Result 899 states and 1980 transitions. [2020-10-16 11:41:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:41:10,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-16 11:41:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:10,363 INFO L225 Difference]: With dead ends: 899 [2020-10-16 11:41:10,363 INFO L226 Difference]: Without dead ends: 899 [2020-10-16 11:41:10,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:41:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-16 11:41:10,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 608. [2020-10-16 11:41:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-10-16 11:41:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 1383 transitions. [2020-10-16 11:41:10,382 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 1383 transitions. Word has length 22 [2020-10-16 11:41:10,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:10,383 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 1383 transitions. [2020-10-16 11:41:10,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:41:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1383 transitions. [2020-10-16 11:41:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:41:10,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:10,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:10,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 11:41:10,600 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:41:10,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:10,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1472402434, now seen corresponding path program 1 times [2020-10-16 11:41:10,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:10,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978272671] [2020-10-16 11:41:10,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:41:10,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:41:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:41:10,673 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:41:10,703 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:41:10,703 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:41:10,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:41:10,704 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 11:41:10,705 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 11:41:10,705 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 11:41:10,712 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [568] [568] L4-->L978-1: Formula: (and (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In1249275436 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= |t1Thread1of1ForFork0_push_#in~x_Out1249275436| .cse0) .cse1) (and (not .cse1) (= |t1Thread1of1ForFork0_push_#in~x_Out1249275436| (+ .cse0 (- 4294967296))))))) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_In1249275436 0)) (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out1249275436| |~#arr~0.offset_In1249275436|) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out1249275436| |~#arr~0.base_In1249275436|)) InVars {~#arr~0.offset=|~#arr~0.offset_In1249275436|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In1249275436, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In1249275436, ~#arr~0.base=|~#arr~0.base_In1249275436|} OutVars{t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out1249275436|, ~#arr~0.offset=|~#arr~0.offset_In1249275436|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In1249275436, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out1249275436|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In1249275436, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out1249275436|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out1249275436|, ~#arr~0.base=|~#arr~0.base_In1249275436|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-16 11:41:10,715 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [569] [569] L978-2-->L981: Formula: (and (not (= (- 1) |t1Thread1of1ForFork0_#t~ret44_In-1511893860|)) (= ~flag~0_Out-1511893860 1) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-1511893860| 2147483648)) (<= |t1Thread1of1ForFork0_#t~ret44_In-1511893860| 2147483647)) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-1511893860|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-1511893860|, ~flag~0=~flag~0_Out-1511893860} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-16 11:41:10,719 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [579] [579] L993-3-->L988-6: Formula: (and (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In490059934|)) (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In490059934| 2147483648)) (= (store |#pthreadsMutex_In490059934| |~#m~0.base_In490059934| (store (select |#pthreadsMutex_In490059934| |~#m~0.base_In490059934|) |~#m~0.offset_In490059934| 0)) |#pthreadsMutex_Out490059934|) (= t2Thread1of1ForFork1_~i~1_Out490059934 (+ t2Thread1of1ForFork1_~i~1_In490059934 1)) (<= |t2Thread1of1ForFork1_#t~ret47_In490059934| 2147483647)) InVars {#pthreadsMutex=|#pthreadsMutex_In490059934|, ~#m~0.base=|~#m~0.base_In490059934|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In490059934|, ~#m~0.offset=|~#m~0.offset_In490059934|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In490059934} OutVars{#pthreadsMutex=|#pthreadsMutex_Out490059934|, ~#m~0.base=|~#m~0.base_In490059934|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out490059934|, ~#m~0.offset=|~#m~0.offset_In490059934|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out490059934|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out490059934} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-16 11:41:10,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:41:10 BasicIcfg [2020-10-16 11:41:10,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:41:10,767 INFO L168 Benchmark]: Toolchain (without parser) took 9837.13 ms. Allocated memory was 141.6 MB in the beginning and 308.3 MB in the end (delta: 166.7 MB). Free memory was 101.6 MB in the beginning and 127.9 MB in the end (delta: -26.4 MB). Peak memory consumption was 140.3 MB. Max. memory is 7.1 GB. [2020-10-16 11:41:10,768 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:41:10,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.21 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 135.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:41:10,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.25 ms. Allocated memory is still 205.5 MB. Free memory was 135.1 MB in the beginning and 132.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 11:41:10,770 INFO L168 Benchmark]: Boogie Preprocessor took 59.61 ms. Allocated memory is still 205.5 MB. Free memory was 132.5 MB in the beginning and 130.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:41:10,771 INFO L168 Benchmark]: RCFGBuilder took 563.43 ms. Allocated memory is still 205.5 MB. Free memory was 130.6 MB in the beginning and 96.6 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:41:10,772 INFO L168 Benchmark]: TraceAbstraction took 8309.91 ms. Allocated memory was 234.9 MB in the beginning and 308.3 MB in the end (delta: 73.4 MB). Free memory was 206.4 MB in the beginning and 127.9 MB in the end (delta: 78.4 MB). Peak memory consumption was 151.8 MB. Max. memory is 7.1 GB. [2020-10-16 11:41:10,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.21 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 135.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.25 ms. Allocated memory is still 205.5 MB. Free memory was 135.1 MB in the beginning and 132.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.61 ms. Allocated memory is still 205.5 MB. Free memory was 132.5 MB in the beginning and 130.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.43 ms. Allocated memory is still 205.5 MB. Free memory was 130.6 MB in the beginning and 96.6 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8309.91 ms. Allocated memory was 234.9 MB in the beginning and 308.3 MB in the end (delta: 73.4 MB). Free memory was 206.4 MB in the beginning and 127.9 MB in the end (delta: 78.4 MB). Peak memory consumption was 151.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3661 VarBasedMoverChecksPositive, 52 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 243 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 144 PlacesBefore, 42 PlacesAfterwards, 149 TransitionsBefore, 42 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 76 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 20 ConcurrentYvCompositions, 5 ChoiceCompositions, 131 TotalNumberOfCompositions, 12406 MoverChecksTotal - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(5)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1002] 0 pthread_t id1, id2; [L1004] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={3:0}, flag=0, m={6:0}, top=0] [L971] 1 int i; [L972] 1 unsigned int tmp; [L973] 1 i=0 VAL [arr={3:0}, flag=0, m={6:0}, top=0] [L1005] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={3:0}, flag=0, m={6:0}, top=0] [L987] 2 int i; [L988] 2 i=0 VAL [arr={3:0}, flag=0, m={6:0}, top=0] [L973] COND TRUE 1 i<(5) [L976] 1 tmp = __VERIFIER_nondet_uint() [L943] COND FALSE 1 !(top==(5)) [L935] 1 return top; [L950] 1 stack[get_top()] = x VAL [arr={3:0}, flag=0, m={6:0}, top=0] [L927] 1 top++ [L953] 1 return 0; [L973] 1 i++ VAL [arr={3:0}, flag=1, m={6:0}, top=1] [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; VAL [arr={3:0}, flag=1, m={6:0}, top=1] [L957] COND FALSE 2 !(get_top()==0) [L931] 2 top-- VAL [arr={3:0}, flag=1, m={6:0}, top=0] [L935] 2 return top; [L965] EXPR 2 stack[get_top()] [L965] 2 return stack[get_top()]; [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; [L957] COND TRUE 2 get_top()==0 [L960] 2 return (-2); [L993] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={3:0}, flag=1, m={6:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 426 SDtfs, 568 SDslu, 1273 SDs, 0 SdLazy, 902 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=806occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1253 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 13277 SizeOfPredicates, 5 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/34 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 proved your program to be incorrect! Received shutdown request...