/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:36:14,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:36:14,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:36:14,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:36:14,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:36:14,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:36:14,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:36:14,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:36:14,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:36:14,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:36:14,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:36:14,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:36:14,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:36:14,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:36:14,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:36:14,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:36:14,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:36:14,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:36:14,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:36:14,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:36:14,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:36:14,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:36:14,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:36:14,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:36:14,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 23:36:14,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:36:14,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:36:14,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:36:14,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:36:14,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:36:14,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:36:14,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:36:14,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:36:14,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:36:14,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:36:14,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:36:14,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-18 23:36:14,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:36:14,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:36:14,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:36:14,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:36:14,698 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:36:14,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:36:14,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:36:14,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:36:14,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:36:14,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:36:14,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:36:14,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:36:14,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:36:14,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:36:14,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:36:14,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:36:14,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:36:14,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:36:14,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:36:14,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:36:14,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:36:14,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:36:14,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:36:14,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:36:14,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:36:14,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:36:14,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:36:14,702 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-18 23:36:14,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:36:14,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:36:15,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:36:15,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:36:15,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:36:15,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:36:15,034 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:36:15,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2019-12-18 23:36:15,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc517b3f/de2f50a118034132b036e16f695e9b44/FLAGcadeb259a [2019-12-18 23:36:15,705 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:36:15,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2019-12-18 23:36:15,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc517b3f/de2f50a118034132b036e16f695e9b44/FLAGcadeb259a [2019-12-18 23:36:15,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc517b3f/de2f50a118034132b036e16f695e9b44 [2019-12-18 23:36:15,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:36:15,962 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:36:15,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:36:15,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:36:15,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:36:15,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:36:15" (1/1) ... [2019-12-18 23:36:15,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c8690e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:15, skipping insertion in model container [2019-12-18 23:36:15,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:36:15" (1/1) ... [2019-12-18 23:36:15,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:36:16,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:36:16,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:36:16,568 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:36:16,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:36:16,789 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:36:16,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16 WrapperNode [2019-12-18 23:36:16,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:36:16,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:36:16,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:36:16,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:36:16,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:36:16,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:36:16,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:36:16,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:36:16,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... [2019-12-18 23:36:16,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:36:16,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:36:16,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:36:16,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:36:16,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:36:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-18 23:36:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-18 23:36:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-18 23:36:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-18 23:36:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:36:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:36:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 23:36:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:36:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 23:36:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 23:36:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:36:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:36:16,997 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:36:17,576 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:36:17,576 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-18 23:36:17,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:36:17 BoogieIcfgContainer [2019-12-18 23:36:17,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:36:17,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:36:17,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:36:17,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:36:17,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:36:15" (1/3) ... [2019-12-18 23:36:17,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e1996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:36:17, skipping insertion in model container [2019-12-18 23:36:17,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:16" (2/3) ... [2019-12-18 23:36:17,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e1996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:36:17, skipping insertion in model container [2019-12-18 23:36:17,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:36:17" (3/3) ... [2019-12-18 23:36:17,588 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-12-18 23:36:17,599 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:36:17,599 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:36:17,607 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 23:36:17,608 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:36:17,647 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,647 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,647 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,648 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,648 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,648 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,648 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,648 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,649 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,649 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,649 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,649 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,650 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,650 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,650 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,650 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,650 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,650 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,651 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,651 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,651 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,651 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,651 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,651 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,652 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,652 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,652 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,652 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,652 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,653 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,653 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,653 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,653 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,653 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,656 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,656 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,657 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,657 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,657 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,658 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,658 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,658 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,658 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,659 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,660 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,662 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,662 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,662 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,662 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,663 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,663 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,663 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,663 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,664 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,664 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,664 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,664 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,665 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,665 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,665 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,665 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,666 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,666 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,666 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,666 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,667 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,667 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,667 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,667 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,668 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,668 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,668 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,668 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,668 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,669 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,669 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,669 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,669 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,670 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,670 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,670 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,693 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,694 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,694 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,694 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,694 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,695 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,695 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,695 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,695 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,697 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,697 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,697 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,697 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,698 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,698 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,698 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,698 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,702 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,702 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,702 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,703 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,703 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,703 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,704 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,704 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,704 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,704 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,704 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,704 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,705 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,706 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,706 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,717 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,717 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,718 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,719 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,721 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,721 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,721 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,723 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,723 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:17,753 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 23:36:17,777 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:36:17,778 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:36:17,778 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:36:17,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:36:17,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:36:17,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:36:17,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:36:17,779 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:36:17,792 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 136 places, 140 transitions [2019-12-18 23:36:18,112 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6505 states. [2019-12-18 23:36:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 6505 states. [2019-12-18 23:36:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-18 23:36:18,148 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:18,149 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:18,150 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:18,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1869081157, now seen corresponding path program 1 times [2019-12-18 23:36:18,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:18,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698652510] [2019-12-18 23:36:18,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:18,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698652510] [2019-12-18 23:36:18,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:18,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:36:18,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658025284] [2019-12-18 23:36:18,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:36:18,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:18,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:36:18,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:18,668 INFO L87 Difference]: Start difference. First operand 6505 states. Second operand 3 states. [2019-12-18 23:36:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:18,868 INFO L93 Difference]: Finished difference Result 9853 states and 26352 transitions. [2019-12-18 23:36:18,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:36:18,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-12-18 23:36:18,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:18,962 INFO L225 Difference]: With dead ends: 9853 [2019-12-18 23:36:18,962 INFO L226 Difference]: Without dead ends: 9745 [2019-12-18 23:36:18,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9745 states. [2019-12-18 23:36:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9745 to 8275. [2019-12-18 23:36:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8275 states. [2019-12-18 23:36:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 22333 transitions. [2019-12-18 23:36:19,412 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 22333 transitions. Word has length 45 [2019-12-18 23:36:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:19,412 INFO L462 AbstractCegarLoop]: Abstraction has 8275 states and 22333 transitions. [2019-12-18 23:36:19,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:36:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 22333 transitions. [2019-12-18 23:36:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-18 23:36:19,420 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:19,420 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:19,420 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:19,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:19,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1764189091, now seen corresponding path program 1 times [2019-12-18 23:36:19,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:19,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449122644] [2019-12-18 23:36:19,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:19,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449122644] [2019-12-18 23:36:19,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:19,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:36:19,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138591360] [2019-12-18 23:36:19,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:36:19,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:19,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:36:19,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:19,564 INFO L87 Difference]: Start difference. First operand 8275 states and 22333 transitions. Second operand 3 states. [2019-12-18 23:36:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:19,666 INFO L93 Difference]: Finished difference Result 7696 states and 20468 transitions. [2019-12-18 23:36:19,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:36:19,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-12-18 23:36:19,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:19,721 INFO L225 Difference]: With dead ends: 7696 [2019-12-18 23:36:19,721 INFO L226 Difference]: Without dead ends: 7555 [2019-12-18 23:36:19,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:19,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7555 states. [2019-12-18 23:36:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7555 to 7327. [2019-12-18 23:36:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7327 states. [2019-12-18 23:36:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7327 states to 7327 states and 19607 transitions. [2019-12-18 23:36:20,023 INFO L78 Accepts]: Start accepts. Automaton has 7327 states and 19607 transitions. Word has length 49 [2019-12-18 23:36:20,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:20,025 INFO L462 AbstractCegarLoop]: Abstraction has 7327 states and 19607 transitions. [2019-12-18 23:36:20,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:36:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7327 states and 19607 transitions. [2019-12-18 23:36:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 23:36:20,032 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:20,032 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:20,032 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:20,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:20,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1289010956, now seen corresponding path program 1 times [2019-12-18 23:36:20,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:20,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284968021] [2019-12-18 23:36:20,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:20,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284968021] [2019-12-18 23:36:20,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:20,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:36:20,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144768607] [2019-12-18 23:36:20,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:36:20,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:20,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:36:20,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:36:20,166 INFO L87 Difference]: Start difference. First operand 7327 states and 19607 transitions. Second operand 4 states. [2019-12-18 23:36:20,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:20,275 INFO L93 Difference]: Finished difference Result 10192 states and 27210 transitions. [2019-12-18 23:36:20,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:36:20,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-12-18 23:36:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:20,319 INFO L225 Difference]: With dead ends: 10192 [2019-12-18 23:36:20,319 INFO L226 Difference]: Without dead ends: 10192 [2019-12-18 23:36:20,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:36:20,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10192 states. [2019-12-18 23:36:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10192 to 7651. [2019-12-18 23:36:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7651 states. [2019-12-18 23:36:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7651 states to 7651 states and 20474 transitions. [2019-12-18 23:36:21,052 INFO L78 Accepts]: Start accepts. Automaton has 7651 states and 20474 transitions. Word has length 54 [2019-12-18 23:36:21,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:21,052 INFO L462 AbstractCegarLoop]: Abstraction has 7651 states and 20474 transitions. [2019-12-18 23:36:21,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:36:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7651 states and 20474 transitions. [2019-12-18 23:36:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-18 23:36:21,061 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:21,061 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:21,062 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:21,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:21,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1958246588, now seen corresponding path program 1 times [2019-12-18 23:36:21,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:21,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772092753] [2019-12-18 23:36:21,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:21,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772092753] [2019-12-18 23:36:21,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626778742] [2019-12-18 23:36:21,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2019-12-18 23:36:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:21,293 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-18 23:36:21,301 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:36:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:21,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:36:21,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-12-18 23:36:21,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572245869] [2019-12-18 23:36:21,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 23:36:21,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:21,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 23:36:21,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 23:36:21,359 INFO L87 Difference]: Start difference. First operand 7651 states and 20474 transitions. Second operand 7 states. [2019-12-18 23:36:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:21,477 INFO L93 Difference]: Finished difference Result 11185 states and 29818 transitions. [2019-12-18 23:36:21,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 23:36:21,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2019-12-18 23:36:21,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:21,513 INFO L225 Difference]: With dead ends: 11185 [2019-12-18 23:36:21,514 INFO L226 Difference]: Without dead ends: 11185 [2019-12-18 23:36:21,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-12-18 23:36:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11185 states. [2019-12-18 23:36:21,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11185 to 9715. [2019-12-18 23:36:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9715 states. [2019-12-18 23:36:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9715 states to 9715 states and 26035 transitions. [2019-12-18 23:36:21,820 INFO L78 Accepts]: Start accepts. Automaton has 9715 states and 26035 transitions. Word has length 77 [2019-12-18 23:36:21,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:21,821 INFO L462 AbstractCegarLoop]: Abstraction has 9715 states and 26035 transitions. [2019-12-18 23:36:21,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 23:36:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9715 states and 26035 transitions. [2019-12-18 23:36:21,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-18 23:36:21,833 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:21,833 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:22,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:22,037 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:22,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:22,038 INFO L82 PathProgramCache]: Analyzing trace with hash -684753590, now seen corresponding path program 1 times [2019-12-18 23:36:22,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:22,038 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288095702] [2019-12-18 23:36:22,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:22,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288095702] [2019-12-18 23:36:22,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:22,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:36:22,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767124252] [2019-12-18 23:36:22,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:36:22,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:22,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:36:22,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:22,151 INFO L87 Difference]: Start difference. First operand 9715 states and 26035 transitions. Second operand 3 states. [2019-12-18 23:36:22,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:22,201 INFO L93 Difference]: Finished difference Result 4948 states and 12534 transitions. [2019-12-18 23:36:22,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:36:22,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-12-18 23:36:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:22,214 INFO L225 Difference]: With dead ends: 4948 [2019-12-18 23:36:22,214 INFO L226 Difference]: Without dead ends: 4948 [2019-12-18 23:36:22,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:22,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2019-12-18 23:36:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4843. [2019-12-18 23:36:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4843 states. [2019-12-18 23:36:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 12269 transitions. [2019-12-18 23:36:22,311 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 12269 transitions. Word has length 81 [2019-12-18 23:36:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:22,311 INFO L462 AbstractCegarLoop]: Abstraction has 4843 states and 12269 transitions. [2019-12-18 23:36:22,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:36:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 12269 transitions. [2019-12-18 23:36:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-18 23:36:22,319 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:22,319 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:22,319 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:22,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1990103964, now seen corresponding path program 1 times [2019-12-18 23:36:22,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:22,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797758022] [2019-12-18 23:36:22,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:22,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797758022] [2019-12-18 23:36:22,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:22,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-18 23:36:22,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060788597] [2019-12-18 23:36:22,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 23:36:22,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:22,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 23:36:22,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-18 23:36:22,457 INFO L87 Difference]: Start difference. First operand 4843 states and 12269 transitions. Second operand 7 states. [2019-12-18 23:36:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:22,601 INFO L93 Difference]: Finished difference Result 6382 states and 16123 transitions. [2019-12-18 23:36:22,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-18 23:36:22,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-12-18 23:36:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:22,616 INFO L225 Difference]: With dead ends: 6382 [2019-12-18 23:36:22,616 INFO L226 Difference]: Without dead ends: 6382 [2019-12-18 23:36:22,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-12-18 23:36:22,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6382 states. [2019-12-18 23:36:22,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6382 to 5248. [2019-12-18 23:36:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5248 states. [2019-12-18 23:36:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 13263 transitions. [2019-12-18 23:36:22,728 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 13263 transitions. Word has length 82 [2019-12-18 23:36:22,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:22,728 INFO L462 AbstractCegarLoop]: Abstraction has 5248 states and 13263 transitions. [2019-12-18 23:36:22,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 23:36:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 13263 transitions. [2019-12-18 23:36:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-18 23:36:22,738 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:22,738 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:22,739 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:22,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:22,739 INFO L82 PathProgramCache]: Analyzing trace with hash -622220484, now seen corresponding path program 1 times [2019-12-18 23:36:22,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:22,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815541963] [2019-12-18 23:36:22,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:22,939 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:464) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-18 23:36:22,946 INFO L168 Benchmark]: Toolchain (without parser) took 6981.30 ms. Allocated memory was 133.7 MB in the beginning and 436.2 MB in the end (delta: 302.5 MB). Free memory was 96.3 MB in the beginning and 131.9 MB in the end (delta: -35.6 MB). Peak memory consumption was 266.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,947 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 116.9 MB in the beginning and 116.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.40 ms. Allocated memory was 133.7 MB in the beginning and 197.1 MB in the end (delta: 63.4 MB). Free memory was 95.9 MB in the beginning and 125.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.33 ms. Allocated memory is still 197.1 MB. Free memory was 125.6 MB in the beginning and 123.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,951 INFO L168 Benchmark]: Boogie Preprocessor took 39.12 ms. Allocated memory is still 197.1 MB. Free memory was 123.4 MB in the beginning and 121.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,952 INFO L168 Benchmark]: RCFGBuilder took 654.36 ms. Allocated memory is still 197.1 MB. Free memory was 121.2 MB in the beginning and 88.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,957 INFO L168 Benchmark]: TraceAbstraction took 5362.39 ms. Allocated memory was 197.1 MB in the beginning and 436.2 MB in the end (delta: 239.1 MB). Free memory was 88.8 MB in the beginning and 131.9 MB in the end (delta: -43.1 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:22,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 116.9 MB in the beginning and 116.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.40 ms. Allocated memory was 133.7 MB in the beginning and 197.1 MB in the end (delta: 63.4 MB). Free memory was 95.9 MB in the beginning and 125.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.33 ms. Allocated memory is still 197.1 MB. Free memory was 125.6 MB in the beginning and 123.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.12 ms. Allocated memory is still 197.1 MB. Free memory was 123.4 MB in the beginning and 121.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 654.36 ms. Allocated memory is still 197.1 MB. Free memory was 121.2 MB in the beginning and 88.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5362.39 ms. Allocated memory was 197.1 MB in the beginning and 436.2 MB in the end (delta: 239.1 MB). Free memory was 88.8 MB in the beginning and 131.9 MB in the end (delta: -43.1 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...