/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:43:36,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:43:36,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:43:36,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:43:36,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:43:36,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:43:36,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:43:36,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:43:36,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:43:36,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:43:36,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:43:36,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:43:36,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:43:36,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:43:36,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:43:36,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:43:36,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:43:36,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:43:36,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:43:36,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:43:36,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:43:36,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:43:36,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:43:36,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:43:36,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 04:43:36,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:43:36,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:43:36,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:43:36,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:43:36,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:43:36,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:43:36,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:43:36,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:43:36,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:43:36,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:43:36,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:43:36,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 04:43:36,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:43:36,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:43:36,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:43:36,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:43:36,218 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:43:36,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:43:36,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:43:36,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:43:36,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:43:36,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:43:36,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:43:36,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:43:36,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:43:36,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:43:36,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:43:36,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:43:36,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:43:36,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:43:36,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:43:36,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:43:36,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:43:36,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:43:36,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:43:36,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:43:36,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:43:36,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:43:36,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:43:36,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 04:43:36,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:43:36,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:43:36,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:43:36,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:43:36,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:43:36,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:43:36,526 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:43:36,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2019-12-27 04:43:36,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9b5e876/c9e9c7874b2d4217a5cc311dda268ea1/FLAG6b1e7aa10 [2019-12-27 04:43:37,149 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:43:37,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2019-12-27 04:43:37,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9b5e876/c9e9c7874b2d4217a5cc311dda268ea1/FLAG6b1e7aa10 [2019-12-27 04:43:37,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9b5e876/c9e9c7874b2d4217a5cc311dda268ea1 [2019-12-27 04:43:37,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:43:37,450 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:43:37,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:43:37,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:43:37,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:43:37,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:43:37" (1/1) ... [2019-12-27 04:43:37,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64745772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:37, skipping insertion in model container [2019-12-27 04:43:37,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:43:37" (1/1) ... [2019-12-27 04:43:37,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:43:37,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:43:38,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:43:38,091 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:43:38,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:43:38,297 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:43:38,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38 WrapperNode [2019-12-27 04:43:38,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:43:38,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:43:38,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:43:38,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:43:38,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:43:38,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:43:38,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:43:38,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:43:38,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... [2019-12-27 04:43:38,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:43:38,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:43:38,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:43:38,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:43:38,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:43:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-27 04:43:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-27 04:43:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-27 04:43:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-27 04:43:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:43:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:43:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 04:43:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:43:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 04:43:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 04:43:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:43:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:43:38,470 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 04:43:39,021 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:43:39,022 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-27 04:43:39,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:43:39 BoogieIcfgContainer [2019-12-27 04:43:39,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:43:39,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:43:39,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:43:39,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:43:39,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:43:37" (1/3) ... [2019-12-27 04:43:39,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa7ede0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:43:39, skipping insertion in model container [2019-12-27 04:43:39,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:43:38" (2/3) ... [2019-12-27 04:43:39,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa7ede0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:43:39, skipping insertion in model container [2019-12-27 04:43:39,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:43:39" (3/3) ... [2019-12-27 04:43:39,039 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2019-12-27 04:43:39,050 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:43:39,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:43:39,059 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 04:43:39,061 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:43:39,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,119 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,119 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,119 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,119 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,120 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,120 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,120 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,120 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,120 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,121 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,121 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,121 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,121 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,122 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,122 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,123 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,123 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,124 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,124 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,124 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,125 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,127 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,127 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,127 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,127 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,128 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,128 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,128 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,129 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,129 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,129 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,129 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,130 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,130 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,130 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,130 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,131 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,131 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,131 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,131 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,135 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,135 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,135 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,135 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,136 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,136 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,137 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,137 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,137 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,138 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,138 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,138 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,138 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,138 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,139 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,139 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,139 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,139 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,139 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,139 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,140 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,140 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,140 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,140 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,140 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,141 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,141 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,141 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,141 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,142 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,142 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,142 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,142 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,142 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,143 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,143 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,143 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,143 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,143 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,144 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,144 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,144 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,144 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,145 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,145 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,145 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,145 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,145 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,146 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,146 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,149 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,150 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,150 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,150 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,150 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,151 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,151 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,151 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,151 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,151 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,152 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,152 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,152 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,152 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,152 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,152 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,153 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,153 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,153 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,153 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,153 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,159 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,159 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,159 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,159 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,160 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,161 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,161 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,161 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,161 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,161 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,161 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,162 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,162 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,162 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:43:39,189 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 04:43:39,210 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:43:39,210 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:43:39,210 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:43:39,210 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:43:39,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:43:39,210 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:43:39,211 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:43:39,211 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:43:39,227 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 133 transitions [2019-12-27 04:43:39,229 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions [2019-12-27 04:43:39,308 INFO L132 PetriNetUnfolder]: 10/133 cut-off events. [2019-12-27 04:43:39,310 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 04:43:39,323 INFO L76 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 133 events. 10/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 335 event pairs. 0/122 useless extension candidates. Maximal degree in co-relation 101. Up to 3 conditions per place. [2019-12-27 04:43:39,338 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions [2019-12-27 04:43:39,396 INFO L132 PetriNetUnfolder]: 10/133 cut-off events. [2019-12-27 04:43:39,396 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 04:43:39,399 INFO L76 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 133 events. 10/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 335 event pairs. 0/122 useless extension candidates. Maximal degree in co-relation 101. Up to 3 conditions per place. [2019-12-27 04:43:39,407 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5224 [2019-12-27 04:43:39,408 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:43:41,958 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-12-27 04:43:42,092 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 04:43:42,606 WARN L192 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-12-27 04:43:42,818 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 04:43:42,830 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6637 [2019-12-27 04:43:42,830 INFO L214 etLargeBlockEncoding]: Total number of compositions: 108 [2019-12-27 04:43:42,833 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions [2019-12-27 04:43:42,860 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 354 states. [2019-12-27 04:43:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2019-12-27 04:43:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 04:43:42,870 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:42,871 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 04:43:42,871 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:42,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:42,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1166554520, now seen corresponding path program 1 times [2019-12-27 04:43:42,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:42,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417592220] [2019-12-27 04:43:42,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:43,201 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417592220] [2019-12-27 04:43:43,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:43:43,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:43:43,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798282690] [2019-12-27 04:43:43,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:43:43,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:43:43,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:43:43,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:43:43,229 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 3 states. [2019-12-27 04:43:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:43:43,352 INFO L93 Difference]: Finished difference Result 525 states and 1300 transitions. [2019-12-27 04:43:43,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:43:43,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 04:43:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:43:43,400 INFO L225 Difference]: With dead ends: 525 [2019-12-27 04:43:43,400 INFO L226 Difference]: Without dead ends: 481 [2019-12-27 04:43:43,402 INFO L631 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 [2019-12-27 04:43:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-12-27 04:43:43,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 441. [2019-12-27 04:43:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-12-27 04:43:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 1148 transitions. [2019-12-27 04:43:43,527 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 1148 transitions. Word has length 6 [2019-12-27 04:43:43,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:43:43,528 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 1148 transitions. [2019-12-27 04:43:43,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:43:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1148 transitions. [2019-12-27 04:43:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:43:43,530 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:43,530 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:43:43,530 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:43,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:43,531 INFO L82 PathProgramCache]: Analyzing trace with hash -742149680, now seen corresponding path program 1 times [2019-12-27 04:43:43,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:43,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398914827] [2019-12-27 04:43:43,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:43,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398914827] [2019-12-27 04:43:43,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:43:43,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:43:43,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621074040] [2019-12-27 04:43:43,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:43:43,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:43:43,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:43:43,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:43:43,595 INFO L87 Difference]: Start difference. First operand 441 states and 1148 transitions. Second operand 3 states. [2019-12-27 04:43:43,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:43:43,614 INFO L93 Difference]: Finished difference Result 487 states and 1263 transitions. [2019-12-27 04:43:43,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:43:43,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 04:43:43,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:43:43,619 INFO L225 Difference]: With dead ends: 487 [2019-12-27 04:43:43,619 INFO L226 Difference]: Without dead ends: 487 [2019-12-27 04:43:43,620 INFO L631 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 [2019-12-27 04:43:43,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-12-27 04:43:43,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2019-12-27 04:43:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-12-27 04:43:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 1263 transitions. [2019-12-27 04:43:43,639 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 1263 transitions. Word has length 10 [2019-12-27 04:43:43,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:43:43,640 INFO L462 AbstractCegarLoop]: Abstraction has 487 states and 1263 transitions. [2019-12-27 04:43:43,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:43:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1263 transitions. [2019-12-27 04:43:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 04:43:43,642 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:43,642 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:43:43,642 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1111979449, now seen corresponding path program 1 times [2019-12-27 04:43:43,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:43,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200204370] [2019-12-27 04:43:43,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:43,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200204370] [2019-12-27 04:43:43,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642745568] [2019-12-27 04:43:43,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:43:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:43,823 INFO L264 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-27 04:43:43,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 04:43:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:43,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 04:43:43,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-27 04:43:43,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994767763] [2019-12-27 04:43:43,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 04:43:43,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:43:43,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 04:43:43,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:43:43,870 INFO L87 Difference]: Start difference. First operand 487 states and 1263 transitions. Second operand 7 states. [2019-12-27 04:43:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:43:44,002 INFO L93 Difference]: Finished difference Result 908 states and 2256 transitions. [2019-12-27 04:43:44,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 04:43:44,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-12-27 04:43:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:43:44,009 INFO L225 Difference]: With dead ends: 908 [2019-12-27 04:43:44,010 INFO L226 Difference]: Without dead ends: 893 [2019-12-27 04:43:44,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-12-27 04:43:44,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2019-12-27 04:43:44,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 604. [2019-12-27 04:43:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-12-27 04:43:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1559 transitions. [2019-12-27 04:43:44,033 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1559 transitions. Word has length 13 [2019-12-27 04:43:44,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:43:44,033 INFO L462 AbstractCegarLoop]: Abstraction has 604 states and 1559 transitions. [2019-12-27 04:43:44,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 04:43:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1559 transitions. [2019-12-27 04:43:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 04:43:44,036 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:44,036 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:43:44,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:43:44,240 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:44,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:44,240 INFO L82 PathProgramCache]: Analyzing trace with hash -983479878, now seen corresponding path program 1 times [2019-12-27 04:43:44,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:44,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983409303] [2019-12-27 04:43:44,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:44,340 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983409303] [2019-12-27 04:43:44,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:43:44,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:43:44,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873437213] [2019-12-27 04:43:44,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:43:44,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:43:44,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:43:44,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:43:44,341 INFO L87 Difference]: Start difference. First operand 604 states and 1559 transitions. Second operand 3 states. [2019-12-27 04:43:44,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:43:44,367 INFO L93 Difference]: Finished difference Result 313 states and 689 transitions. [2019-12-27 04:43:44,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:43:44,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 04:43:44,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:43:44,370 INFO L225 Difference]: With dead ends: 313 [2019-12-27 04:43:44,370 INFO L226 Difference]: Without dead ends: 313 [2019-12-27 04:43:44,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:43:44,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-27 04:43:44,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 301. [2019-12-27 04:43:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2019-12-27 04:43:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 657 transitions. [2019-12-27 04:43:44,381 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 657 transitions. Word has length 16 [2019-12-27 04:43:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:43:44,381 INFO L462 AbstractCegarLoop]: Abstraction has 301 states and 657 transitions. [2019-12-27 04:43:44,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:43:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 657 transitions. [2019-12-27 04:43:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 04:43:44,383 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:44,384 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:43:44,384 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:44,385 INFO L82 PathProgramCache]: Analyzing trace with hash 555876570, now seen corresponding path program 1 times [2019-12-27 04:43:44,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:44,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299801872] [2019-12-27 04:43:44,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:44,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299801872] [2019-12-27 04:43:44,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:43:44,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:43:44,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579054311] [2019-12-27 04:43:44,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:43:44,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:43:44,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:43:44,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:43:44,501 INFO L87 Difference]: Start difference. First operand 301 states and 657 transitions. Second operand 3 states. [2019-12-27 04:43:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:43:44,541 INFO L93 Difference]: Finished difference Result 379 states and 832 transitions. [2019-12-27 04:43:44,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:43:44,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-27 04:43:44,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:43:44,546 INFO L225 Difference]: With dead ends: 379 [2019-12-27 04:43:44,546 INFO L226 Difference]: Without dead ends: 372 [2019-12-27 04:43:44,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:43:44,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-12-27 04:43:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2019-12-27 04:43:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2019-12-27 04:43:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2019-12-27 04:43:44,564 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2019-12-27 04:43:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:43:44,565 INFO L462 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2019-12-27 04:43:44,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:43:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2019-12-27 04:43:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 04:43:44,570 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:44,570 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-27 04:43:44,571 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1792056648, now seen corresponding path program 2 times [2019-12-27 04:43:44,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:44,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051729968] [2019-12-27 04:43:44,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:44,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051729968] [2019-12-27 04:43:44,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800106646] [2019-12-27 04:43:44,675 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:43:44,765 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-27 04:43:44,765 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-27 04:43:44,766 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 04:43:44,768 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 04:43:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:43:44,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 04:43:44,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-12-27 04:43:44,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317001544] [2019-12-27 04:43:44,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-27 04:43:44,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:43:44,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-27 04:43:44,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-27 04:43:44,791 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 9 states. [2019-12-27 04:43:44,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:43:44,896 INFO L93 Difference]: Finished difference Result 542 states and 1156 transitions. [2019-12-27 04:43:44,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 04:43:44,897 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-12-27 04:43:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:43:44,900 INFO L225 Difference]: With dead ends: 542 [2019-12-27 04:43:44,900 INFO L226 Difference]: Without dead ends: 542 [2019-12-27 04:43:44,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-12-27 04:43:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-12-27 04:43:44,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 372. [2019-12-27 04:43:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2019-12-27 04:43:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2019-12-27 04:43:44,913 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2019-12-27 04:43:44,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:43:44,913 INFO L462 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2019-12-27 04:43:44,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-27 04:43:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2019-12-27 04:43:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 04:43:44,914 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:43:44,914 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:43:45,126 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:43:45,127 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:43:45,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:43:45,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1026311033, now seen corresponding path program 1 times [2019-12-27 04:43:45,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:43:45,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037470256] [2019-12-27 04:43:45,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:43:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:43:45,284 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:464) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-27 04:43:45,288 INFO L168 Benchmark]: Toolchain (without parser) took 7837.12 ms. Allocated memory was 146.8 MB in the beginning and 281.0 MB in the end (delta: 134.2 MB). Free memory was 101.6 MB in the beginning and 163.0 MB in the end (delta: -61.3 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,289 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.55 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 135.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.55 ms. Allocated memory is still 205.0 MB. Free memory was 135.1 MB in the beginning and 132.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,291 INFO L168 Benchmark]: Boogie Preprocessor took 36.12 ms. Allocated memory is still 205.0 MB. Free memory was 132.5 MB in the beginning and 130.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,292 INFO L168 Benchmark]: RCFGBuilder took 623.55 ms. Allocated memory is still 205.0 MB. Free memory was 130.5 MB in the beginning and 98.9 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,293 INFO L168 Benchmark]: TraceAbstraction took 6258.60 ms. Allocated memory was 205.0 MB in the beginning and 281.0 MB in the end (delta: 76.0 MB). Free memory was 98.9 MB in the beginning and 163.0 MB in the end (delta: -64.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-12-27 04:43:45,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.55 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 135.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.55 ms. Allocated memory is still 205.0 MB. Free memory was 135.1 MB in the beginning and 132.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.12 ms. Allocated memory is still 205.0 MB. Free memory was 132.5 MB in the beginning and 130.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 623.55 ms. Allocated memory is still 205.0 MB. Free memory was 130.5 MB in the beginning and 98.9 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6258.60 ms. Allocated memory was 205.0 MB in the beginning and 281.0 MB in the end (delta: 76.0 MB). Free memory was 98.9 MB in the beginning and 163.0 MB in the end (delta: -64.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.6s, 129 ProgramPointsBefore, 40 ProgramPointsAfterwards, 133 TransitionsBefore, 41 TransitionsAfterwards, 5224 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 4 ChoiceCompositions, 2939 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6637 CheckedPairsTotal, 108 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...