/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-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:18:19,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:18:19,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:18:19,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:18:19,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:18:19,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:18:19,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:18:19,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:18:19,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:18:19,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:18:19,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:18:19,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:18:19,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:18:19,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:18:19,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:18:19,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:18:19,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:18:19,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:18:19,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:18:19,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:18:19,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:18:19,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:18:19,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:18:19,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:18:19,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:18:19,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:18:19,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:18:19,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:18:19,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:18:19,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:18:19,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:18:19,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:18:19,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:18:19,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:18:19,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:18:19,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:18:19,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:18:19,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:18:19,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:18:19,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:18:19,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:18:19,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:18:19,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:18:19,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:18:19,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:18:19,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:18:19,772 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:18:19,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:18:19,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:18:19,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:18:19,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:18:19,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:18:19,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:18:19,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:18:19,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:18:19,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:18:19,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:18:19,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:18:19,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:18:19,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:18:19,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:18:19,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:18:19,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:18:19,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:18:19,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:18:19,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:18:19,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:18:19,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:18:19,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:18:19,777 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:18:19,777 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:18:19,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:18:19,777 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:18:20,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:18:20,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:18:20,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:18:20,139 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:18:20,140 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:18:20,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2020-10-22 01:18:20,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013e95280/aa05391137f7491e830400250f6f2f56/FLAG9f10e6c59 [2020-10-22 01:18:20,832 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:18:20,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2020-10-22 01:18:20,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013e95280/aa05391137f7491e830400250f6f2f56/FLAG9f10e6c59 [2020-10-22 01:18:21,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013e95280/aa05391137f7491e830400250f6f2f56 [2020-10-22 01:18:21,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:18:21,145 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:18:21,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:21,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:18:21,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:18:21,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:21" (1/1) ... [2020-10-22 01:18:21,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a95e3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:21, skipping insertion in model container [2020-10-22 01:18:21,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:21" (1/1) ... [2020-10-22 01:18:21,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:18:21,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:18:21,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:21,807 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:18:21,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:22,131 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:18:22,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22 WrapperNode [2020-10-22 01:18:22,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:22,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:22,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:18:22,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:18:22,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:22,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:18:22,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:18:22,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:18:22,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (1/1) ... [2020-10-22 01:18:22,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:18:22,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:18:22,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:18:22,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:18:22,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (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 [2020-10-22 01:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-22 01:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-22 01:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-22 01:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-22 01:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:18:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:18:22,376 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:18:22,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:18:22,942 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-22 01:18:22,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:22 BoogieIcfgContainer [2020-10-22 01:18:22,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:18:22,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:18:22,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:18:22,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:18:22,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:18:21" (1/3) ... [2020-10-22 01:18:22,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2180326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:22, skipping insertion in model container [2020-10-22 01:18:22,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:22" (2/3) ... [2020-10-22 01:18:22,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2180326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:22, skipping insertion in model container [2020-10-22 01:18:22,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:22" (3/3) ... [2020-10-22 01:18:22,966 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2020-10-22 01:18:22,995 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:18:22,996 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:18:23,008 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:18:23,009 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:18:23,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,090 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,090 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,090 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,094 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,095 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,095 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,100 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,104 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,106 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,106 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,113 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,113 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,113 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,113 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,114 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,114 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,114 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,114 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,114 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,120 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,120 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,123 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,123 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,123 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:23,145 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:18:23,160 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:18:23,184 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:18:23,184 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:18:23,184 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:18:23,184 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:18:23,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:18:23,185 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:18:23,185 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:18:23,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:18:23,203 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:18:23,204 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 159 transitions, 340 flow [2020-10-22 01:18:23,207 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 159 transitions, 340 flow [2020-10-22 01:18:23,209 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 159 transitions, 340 flow [2020-10-22 01:18:23,292 INFO L129 PetriNetUnfolder]: 13/159 cut-off events. [2020-10-22 01:18:23,292 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 01:18:23,301 INFO L80 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 159 events. 13/159 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 432 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 123. Up to 3 conditions per place. [2020-10-22 01:18:23,309 INFO L116 LiptonReduction]: Number of co-enabled transitions 7732 [2020-10-22 01:18:26,109 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-10-22 01:18:26,279 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 01:18:26,656 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-22 01:18:26,823 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-22 01:18:27,808 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2020-10-22 01:18:28,201 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-22 01:18:28,617 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-22 01:18:29,003 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-22 01:18:29,015 INFO L131 LiptonReduction]: Checked pairs total: 14016 [2020-10-22 01:18:29,015 INFO L133 LiptonReduction]: Total number of compositions: 148 [2020-10-22 01:18:29,022 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 41 transitions, 104 flow [2020-10-22 01:18:29,055 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 360 states. [2020-10-22 01:18:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-10-22 01:18:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:18:29,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:29,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 01:18:29,067 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:29,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:29,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1856041454, now seen corresponding path program 1 times [2020-10-22 01:18:29,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:29,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329552295] [2020-10-22 01:18:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:29,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329552295] [2020-10-22 01:18:29,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:29,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:29,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1438276645] [2020-10-22 01:18:29,332 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:29,339 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:29,356 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 01:18:29,357 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:29,362 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:29,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:29,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:29,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:29,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:29,378 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 3 states. [2020-10-22 01:18:29,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:29,480 INFO L93 Difference]: Finished difference Result 577 states and 1453 transitions. [2020-10-22 01:18:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:29,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-22 01:18:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:29,505 INFO L225 Difference]: With dead ends: 577 [2020-10-22 01:18:29,505 INFO L226 Difference]: Without dead ends: 555 [2020-10-22 01:18:29,507 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 [2020-10-22 01:18:29,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-10-22 01:18:29,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 515. [2020-10-22 01:18:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-10-22 01:18:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 1354 transitions. [2020-10-22 01:18:29,601 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 1354 transitions. Word has length 6 [2020-10-22 01:18:29,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:29,601 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 1354 transitions. [2020-10-22 01:18:29,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1354 transitions. [2020-10-22 01:18:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:18:29,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:29,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:29,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:18:29,604 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:29,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:29,604 INFO L82 PathProgramCache]: Analyzing trace with hash 384275424, now seen corresponding path program 1 times [2020-10-22 01:18:29,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:29,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551598332] [2020-10-22 01:18:29,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:29,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551598332] [2020-10-22 01:18:29,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:29,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:29,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1462471257] [2020-10-22 01:18:29,739 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:29,740 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:29,743 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:18:29,743 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:29,743 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:29,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:29,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:29,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:29,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:29,755 INFO L87 Difference]: Start difference. First operand 515 states and 1354 transitions. Second operand 3 states. [2020-10-22 01:18:29,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:29,786 INFO L93 Difference]: Finished difference Result 620 states and 1596 transitions. [2020-10-22 01:18:29,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:29,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:18:29,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:29,798 INFO L225 Difference]: With dead ends: 620 [2020-10-22 01:18:29,799 INFO L226 Difference]: Without dead ends: 598 [2020-10-22 01:18:29,800 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 [2020-10-22 01:18:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-22 01:18:29,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 558. [2020-10-22 01:18:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-22 01:18:29,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1476 transitions. [2020-10-22 01:18:29,888 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1476 transitions. Word has length 9 [2020-10-22 01:18:29,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:29,890 INFO L481 AbstractCegarLoop]: Abstraction has 558 states and 1476 transitions. [2020-10-22 01:18:29,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1476 transitions. [2020-10-22 01:18:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:18:29,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:29,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:29,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:18:29,892 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:29,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:29,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1043027540, now seen corresponding path program 1 times [2020-10-22 01:18:29,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:29,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153752562] [2020-10-22 01:18:29,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:30,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153752562] [2020-10-22 01:18:30,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:30,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:30,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [536313942] [2020-10-22 01:18:30,028 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:30,030 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:30,032 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 01:18:30,033 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:30,034 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:30,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:30,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:30,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:30,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:30,035 INFO L87 Difference]: Start difference. First operand 558 states and 1476 transitions. Second operand 3 states. [2020-10-22 01:18:30,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:30,052 INFO L93 Difference]: Finished difference Result 594 states and 1567 transitions. [2020-10-22 01:18:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:30,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 01:18:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:30,058 INFO L225 Difference]: With dead ends: 594 [2020-10-22 01:18:30,058 INFO L226 Difference]: Without dead ends: 594 [2020-10-22 01:18:30,058 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 [2020-10-22 01:18:30,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-22 01:18:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2020-10-22 01:18:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-22 01:18:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1567 transitions. [2020-10-22 01:18:30,080 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1567 transitions. Word has length 10 [2020-10-22 01:18:30,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:30,081 INFO L481 AbstractCegarLoop]: Abstraction has 594 states and 1567 transitions. [2020-10-22 01:18:30,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1567 transitions. [2020-10-22 01:18:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:18:30,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:30,083 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:30,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:18:30,084 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:30,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:30,084 INFO L82 PathProgramCache]: Analyzing trace with hash -210564064, now seen corresponding path program 1 times [2020-10-22 01:18:30,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:30,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146117644] [2020-10-22 01:18:30,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:30,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146117644] [2020-10-22 01:18:30,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799814091] [2020-10-22 01:18:30,154 INFO L95 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 [2020-10-22 01:18:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:30,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:18:30,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:30,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:18:30,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-22 01:18:30,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1536250798] [2020-10-22 01:18:30,318 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:30,320 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:30,322 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:18:30,323 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:30,323 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:30,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:18:30,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:30,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:18:30,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:18:30,324 INFO L87 Difference]: Start difference. First operand 594 states and 1567 transitions. Second operand 5 states. [2020-10-22 01:18:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:30,434 INFO L93 Difference]: Finished difference Result 894 states and 2283 transitions. [2020-10-22 01:18:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:18:30,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 01:18:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:30,441 INFO L225 Difference]: With dead ends: 894 [2020-10-22 01:18:30,441 INFO L226 Difference]: Without dead ends: 894 [2020-10-22 01:18:30,441 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 [2020-10-22 01:18:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-22 01:18:30,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 728. [2020-10-22 01:18:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-22 01:18:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1913 transitions. [2020-10-22 01:18:30,466 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1913 transitions. Word has length 14 [2020-10-22 01:18:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:30,466 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 1913 transitions. [2020-10-22 01:18:30,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:18:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1913 transitions. [2020-10-22 01:18:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:18:30,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:30,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:30,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:18:30,689 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:30,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:30,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1503509031, now seen corresponding path program 1 times [2020-10-22 01:18:30,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:30,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406437799] [2020-10-22 01:18:30,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:30,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406437799] [2020-10-22 01:18:30,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:30,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:18:30,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [578003483] [2020-10-22 01:18:30,731 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:30,733 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:30,737 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 25 transitions. [2020-10-22 01:18:30,738 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:30,758 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:30,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:30,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:30,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:30,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:30,760 INFO L87 Difference]: Start difference. First operand 728 states and 1913 transitions. Second operand 3 states. [2020-10-22 01:18:30,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:30,782 INFO L93 Difference]: Finished difference Result 375 states and 842 transitions. [2020-10-22 01:18:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:30,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 01:18:30,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:30,786 INFO L225 Difference]: With dead ends: 375 [2020-10-22 01:18:30,786 INFO L226 Difference]: Without dead ends: 375 [2020-10-22 01:18:30,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:30,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-10-22 01:18:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 355. [2020-10-22 01:18:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-10-22 01:18:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 792 transitions. [2020-10-22 01:18:30,797 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 792 transitions. Word has length 17 [2020-10-22 01:18:30,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:30,798 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 792 transitions. [2020-10-22 01:18:30,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 792 transitions. [2020-10-22 01:18:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 01:18:30,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:30,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:30,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:18:30,799 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:30,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:30,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1386609126, now seen corresponding path program 1 times [2020-10-22 01:18:30,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:30,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537823654] [2020-10-22 01:18:30,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:30,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537823654] [2020-10-22 01:18:30,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:30,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:18:30,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1139594192] [2020-10-22 01:18:30,874 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:30,877 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:30,885 INFO L252 McrAutomatonBuilder]: Finished intersection with 41 states and 62 transitions. [2020-10-22 01:18:30,885 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:31,148 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:31,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:18:31,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:31,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:18:31,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:18:31,150 INFO L87 Difference]: Start difference. First operand 355 states and 792 transitions. Second operand 5 states. [2020-10-22 01:18:31,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:31,209 INFO L93 Difference]: Finished difference Result 472 states and 1048 transitions. [2020-10-22 01:18:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:18:31,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-22 01:18:31,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:31,213 INFO L225 Difference]: With dead ends: 472 [2020-10-22 01:18:31,213 INFO L226 Difference]: Without dead ends: 472 [2020-10-22 01:18:31,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:18:31,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-10-22 01:18:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 400. [2020-10-22 01:18:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-10-22 01:18:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 897 transitions. [2020-10-22 01:18:31,228 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 897 transitions. Word has length 18 [2020-10-22 01:18:31,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:31,228 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 897 transitions. [2020-10-22 01:18:31,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:18:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 897 transitions. [2020-10-22 01:18:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 01:18:31,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:31,230 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] [2020-10-22 01:18:31,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:18:31,230 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:31,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:31,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1943360614, now seen corresponding path program 1 times [2020-10-22 01:18:31,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:31,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573310471] [2020-10-22 01:18:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:31,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:31,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573310471] [2020-10-22 01:18:31,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:31,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 01:18:31,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2061037634] [2020-10-22 01:18:31,493 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:31,497 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:31,507 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 66 transitions. [2020-10-22 01:18:31,508 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:31,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:18:31,698 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 64089 column 29: unknown constant v_#memory_int_61 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:145) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript$DiffTransformer.checkOrAddAxiom(DiffWrapperScript.java:161) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript$DiffTransformer.convertApplicationTerm(DiffWrapperScript.java:171) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:109) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:59) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) 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.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:164) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:134) at de.uni_freiburg.informatik.ultimate.lib.mcr.McrUtils.abstractVariables(McrUtils.java:32) at de.uni_freiburg.informatik.ultimate.lib.mcr.SpWpInterpolantProvider.addInterpolants(SpWpInterpolantProvider.java:123) at de.uni_freiburg.informatik.ultimate.lib.mcr.McrAutomatonBuilder.buildInterpolantAutomaton(McrAutomatonBuilder.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpAbStrategyModuleMcr.buildInterpolantAutomaton(IpAbStrategyModuleMcr.java:47) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:145) 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:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) 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) [2020-10-22 01:18:31,703 INFO L168 Benchmark]: Toolchain (without parser) took 10564.01 ms. Allocated memory was 140.0 MB in the beginning and 309.3 MB in the end (delta: 169.3 MB). Free memory was 101.2 MB in the beginning and 116.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 153.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,704 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.98 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 132.7 MB in the end (delta: -32.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.22 ms. Allocated memory is still 203.9 MB. Free memory was 132.7 MB in the beginning and 129.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,706 INFO L168 Benchmark]: Boogie Preprocessor took 57.11 ms. Allocated memory is still 203.9 MB. Free memory was 129.9 MB in the beginning and 127.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,707 INFO L168 Benchmark]: RCFGBuilder took 644.65 ms. Allocated memory is still 203.9 MB. Free memory was 127.9 MB in the beginning and 92.7 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,708 INFO L168 Benchmark]: TraceAbstraction took 8747.47 ms. Allocated memory was 203.9 MB in the beginning and 309.3 MB in the end (delta: 105.4 MB). Free memory was 92.0 MB in the beginning and 116.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:31,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 987.98 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 132.7 MB in the end (delta: -32.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 110.22 ms. Allocated memory is still 203.9 MB. Free memory was 132.7 MB in the beginning and 129.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.11 ms. Allocated memory is still 203.9 MB. Free memory was 129.9 MB in the beginning and 127.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 644.65 ms. Allocated memory is still 203.9 MB. Free memory was 127.9 MB in the beginning and 92.7 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8747.47 ms. Allocated memory was 203.9 MB in the beginning and 309.3 MB in the end (delta: 105.4 MB). Free memory was 92.0 MB in the beginning and 116.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4385 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 220 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.8s, 152 PlacesBefore, 41 PlacesAfterwards, 159 TransitionsBefore, 41 TransitionsAfterwards, 7732 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 7 ChoiceCompositions, 148 TotalNumberOfCompositions, 14016 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: line 64089 column 29: unknown constant v_#memory_int_61 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 64089 column 29: unknown constant v_#memory_int_61: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...