/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/goblint-regression/28-race_reach_42-trylock2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:39:55,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:39:55,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:39:55,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:39:55,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:39:55,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:39:55,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:39:55,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:39:55,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:39:55,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:39:55,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:39:55,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:39:55,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:39:55,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:39:55,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:39:55,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:39:55,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:39:55,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:39:55,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:39:55,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:39:55,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:39:55,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:39:55,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:39:55,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:39:55,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:39:55,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:39:55,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:39:55,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:39:55,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:39:55,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:39:55,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:39:55,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:39:55,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:39:55,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:39:55,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:39:55,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:39:55,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:39:55,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:39:55,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:39:55,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:39:55,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:39:55,149 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 02:39:55,197 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:39:55,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:39:55,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:39:55,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:39:55,199 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:39:55,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:39:55,200 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:39:55,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:39:55,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:39:55,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:39:55,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:39:55,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:39:55,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:39:55,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:39:55,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:39:55,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:39:55,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:39:55,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:39:55,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:39:55,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:39:55,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:39:55,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:39:55,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:39:55,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:39:55,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:39:55,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:39:55,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:39:55,205 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:39:55,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:39:55,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:39:55,206 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:39:55,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:39:55,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:39:55,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:39:55,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:39:55,557 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:39:55,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-10-22 02:39:55,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ba0c88d/7f1f6451789b4902bb2b95178aec4850/FLAG9203243a3 [2020-10-22 02:39:56,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:39:56,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-10-22 02:39:56,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ba0c88d/7f1f6451789b4902bb2b95178aec4850/FLAG9203243a3 [2020-10-22 02:39:56,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ba0c88d/7f1f6451789b4902bb2b95178aec4850 [2020-10-22 02:39:56,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:39:56,447 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:39:56,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:39:56,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:39:56,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:39:56,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:39:56" (1/1) ... [2020-10-22 02:39:56,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78aaf851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:56, skipping insertion in model container [2020-10-22 02:39:56,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:39:56" (1/1) ... [2020-10-22 02:39:56,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:39:56,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:39:57,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:39:57,130 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:39:57,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:39:57,297 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:39:57,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57 WrapperNode [2020-10-22 02:39:57,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:39:57,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:39:57,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:39:57,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:39:57,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:39:57,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:39:57,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:39:57,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:39:57,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (1/1) ... [2020-10-22 02:39:57,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:39:57,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:39:57,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:39:57,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:39:57,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (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 02:39:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-22 02:39:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:39:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:39:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:39:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:39:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 02:39:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 02:39:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:39:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:39:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:39:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:39:57,471 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 02:39:58,122 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:39:58,122 INFO L298 CfgBuilder]: Removed 43 assume(true) statements. [2020-10-22 02:39:58,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:39:58 BoogieIcfgContainer [2020-10-22 02:39:58,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:39:58,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:39:58,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:39:58,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:39:58,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:39:56" (1/3) ... [2020-10-22 02:39:58,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3dc4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:39:58, skipping insertion in model container [2020-10-22 02:39:58,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:39:57" (2/3) ... [2020-10-22 02:39:58,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3dc4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:39:58, skipping insertion in model container [2020-10-22 02:39:58,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:39:58" (3/3) ... [2020-10-22 02:39:58,134 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_42-trylock2_racefree.i [2020-10-22 02:39:58,146 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:39:58,146 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:39:58,155 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-22 02:39:58,156 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:39:58,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,187 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,187 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,195 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,195 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,201 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:39:58,211 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 02:39:58,224 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:39:58,246 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:39:58,246 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:39:58,247 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:39:58,247 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:39:58,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:39:58,247 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:39:58,247 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:39:58,247 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:39:58,267 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:39:58,268 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 195 transitions, 398 flow [2020-10-22 02:39:58,271 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 195 transitions, 398 flow [2020-10-22 02:39:58,273 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 165 places, 195 transitions, 398 flow [2020-10-22 02:39:58,377 INFO L129 PetriNetUnfolder]: 53/295 cut-off events. [2020-10-22 02:39:58,397 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-22 02:39:58,409 INFO L80 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 295 events. 53/295 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1253 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 157. Up to 6 conditions per place. [2020-10-22 02:39:58,420 INFO L116 LiptonReduction]: Number of co-enabled transitions 11130 [2020-10-22 02:40:00,883 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-10-22 02:40:01,142 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-22 02:40:01,283 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 02:40:02,023 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-10-22 02:40:02,351 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-22 02:40:02,390 INFO L131 LiptonReduction]: Checked pairs total: 24165 [2020-10-22 02:40:02,390 INFO L133 LiptonReduction]: Total number of compositions: 160 [2020-10-22 02:40:02,397 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 82 transitions, 172 flow [2020-10-22 02:40:02,439 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 680 states. [2020-10-22 02:40:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states. [2020-10-22 02:40:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:40:02,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:40:02,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:40:02,449 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:40:02,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:40:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash 23635601, now seen corresponding path program 1 times [2020-10-22 02:40:02,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:40:02,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374462561] [2020-10-22 02:40:02,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:40:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:40:02,661 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 02:40:02,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374462561] [2020-10-22 02:40:02,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:40:02,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:40:02,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1486395851] [2020-10-22 02:40:02,665 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:40:02,668 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:40:02,681 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:40:02,681 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:40:02,685 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:40:02,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:40:02,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:40:02,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:40:02,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:40:02,700 INFO L87 Difference]: Start difference. First operand 680 states. Second operand 3 states. [2020-10-22 02:40:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:40:02,757 INFO L93 Difference]: Finished difference Result 653 states and 1265 transitions. [2020-10-22 02:40:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:40:02,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:40:02,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:40:02,777 INFO L225 Difference]: With dead ends: 653 [2020-10-22 02:40:02,777 INFO L226 Difference]: Without dead ends: 459 [2020-10-22 02:40:02,779 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 02:40:02,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-22 02:40:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2020-10-22 02:40:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-22 02:40:02,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 891 transitions. [2020-10-22 02:40:02,883 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 891 transitions. Word has length 4 [2020-10-22 02:40:02,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:40:02,884 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 891 transitions. [2020-10-22 02:40:02,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:40:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 891 transitions. [2020-10-22 02:40:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:40:02,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:40:02,885 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-22 02:40:02,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:40:02,886 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:40:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:40:02,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1169320805, now seen corresponding path program 1 times [2020-10-22 02:40:02,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:40:02,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590192374] [2020-10-22 02:40:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:40:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:40:02,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:40:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:40:02,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:40:03,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:40:03,019 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:40:03,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:40:03,022 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:40:03,022 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 02:40:03,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,034 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,034 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,055 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:03,060 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-10-22 02:40:03,060 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:40:03,061 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:40:03,061 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:40:03,061 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:40:03,061 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:40:03,061 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:40:03,061 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:40:03,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:40:03,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:40:03,065 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:40:03,065 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 250 transitions, 518 flow [2020-10-22 02:40:03,066 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 250 transitions, 518 flow [2020-10-22 02:40:03,066 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 209 places, 250 transitions, 518 flow [2020-10-22 02:40:03,161 INFO L129 PetriNetUnfolder]: 88/473 cut-off events. [2020-10-22 02:40:03,161 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-22 02:40:03,172 INFO L80 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 473 events. 88/473 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2300 event pairs, 0 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 297. Up to 9 conditions per place. [2020-10-22 02:40:03,210 INFO L116 LiptonReduction]: Number of co-enabled transitions 29044 [2020-10-22 02:40:05,850 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2020-10-22 02:40:05,975 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-22 02:40:06,844 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2020-10-22 02:40:07,184 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-22 02:40:07,209 INFO L131 LiptonReduction]: Checked pairs total: 79558 [2020-10-22 02:40:07,209 INFO L133 LiptonReduction]: Total number of compositions: 184 [2020-10-22 02:40:07,210 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 120 transitions, 258 flow [2020-10-22 02:40:08,555 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18387 states. [2020-10-22 02:40:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 18387 states. [2020-10-22 02:40:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:40:08,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:40:08,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:40:08,556 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:40:08,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:40:08,557 INFO L82 PathProgramCache]: Analyzing trace with hash 38666898, now seen corresponding path program 1 times [2020-10-22 02:40:08,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:40:08,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723661221] [2020-10-22 02:40:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:40:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:40:08,634 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 02:40:08,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723661221] [2020-10-22 02:40:08,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:40:08,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:40:08,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [326030121] [2020-10-22 02:40:08,636 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:40:08,636 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:40:08,637 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:40:08,637 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:40:08,638 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:40:08,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:40:08,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:40:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:40:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:40:08,639 INFO L87 Difference]: Start difference. First operand 18387 states. Second operand 3 states. [2020-10-22 02:40:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:40:08,952 INFO L93 Difference]: Finished difference Result 18362 states and 52663 transitions. [2020-10-22 02:40:08,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:40:08,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:40:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:40:09,070 INFO L225 Difference]: With dead ends: 18362 [2020-10-22 02:40:09,070 INFO L226 Difference]: Without dead ends: 13228 [2020-10-22 02:40:09,071 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 02:40:09,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2020-10-22 02:40:09,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 13228. [2020-10-22 02:40:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13228 states. [2020-10-22 02:40:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13228 states to 13228 states and 38045 transitions. [2020-10-22 02:40:10,434 INFO L78 Accepts]: Start accepts. Automaton has 13228 states and 38045 transitions. Word has length 4 [2020-10-22 02:40:10,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:40:10,434 INFO L481 AbstractCegarLoop]: Abstraction has 13228 states and 38045 transitions. [2020-10-22 02:40:10,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:40:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 13228 states and 38045 transitions. [2020-10-22 02:40:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:40:10,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:40:10,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:40:10,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:40:10,436 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:40:10,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:40:10,436 INFO L82 PathProgramCache]: Analyzing trace with hash 540551374, now seen corresponding path program 1 times [2020-10-22 02:40:10,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:40:10,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647277914] [2020-10-22 02:40:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:40:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:40:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:40:10,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647277914] [2020-10-22 02:40:10,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247159846] [2020-10-22 02:40:10,518 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 02:40:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:40:10,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:40:10,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:40:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-22 02:40:10,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:40:10,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-22 02:40:10,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1036171633] [2020-10-22 02:40:10,619 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:40:10,620 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:40:10,621 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:40:10,621 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:40:10,622 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:40:10,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:40:10,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:40:10,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:40:10,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:40:10,623 INFO L87 Difference]: Start difference. First operand 13228 states and 38045 transitions. Second operand 3 states. [2020-10-22 02:40:10,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:40:10,796 INFO L93 Difference]: Finished difference Result 13138 states and 37790 transitions. [2020-10-22 02:40:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:40:10,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 02:40:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:40:10,851 INFO L225 Difference]: With dead ends: 13138 [2020-10-22 02:40:10,851 INFO L226 Difference]: Without dead ends: 13138 [2020-10-22 02:40:10,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:40:11,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13138 states. [2020-10-22 02:40:11,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13138 to 13138. [2020-10-22 02:40:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13138 states. [2020-10-22 02:40:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13138 states to 13138 states and 37790 transitions. [2020-10-22 02:40:11,497 INFO L78 Accepts]: Start accepts. Automaton has 13138 states and 37790 transitions. Word has length 8 [2020-10-22 02:40:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:40:11,498 INFO L481 AbstractCegarLoop]: Abstraction has 13138 states and 37790 transitions. [2020-10-22 02:40:11,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:40:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 13138 states and 37790 transitions. [2020-10-22 02:40:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:40:11,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:40:11,501 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-22 02:40:11,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:40:11,715 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:40:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:40:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1062037903, now seen corresponding path program 1 times [2020-10-22 02:40:11,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:40:11,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655724918] [2020-10-22 02:40:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:40:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:40:11,765 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:40:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:40:11,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:40:11,820 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:40:11,821 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:40:11,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:40:11,822 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:40:11,823 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 02:40:11,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,846 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,846 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,852 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,852 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,865 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:40:11,874 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-10-22 02:40:11,874 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:40:11,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:40:11,875 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:40:11,875 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:40:11,875 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:40:11,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:40:11,875 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:40:11,875 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:40:11,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:40:11,879 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:40:11,879 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 305 transitions, 640 flow [2020-10-22 02:40:11,879 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 305 transitions, 640 flow [2020-10-22 02:40:11,879 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 253 places, 305 transitions, 640 flow [2020-10-22 02:40:11,978 INFO L129 PetriNetUnfolder]: 128/682 cut-off events. [2020-10-22 02:40:11,978 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-22 02:40:11,989 INFO L80 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 682 events. 128/682 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3504 event pairs, 1 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 481. Up to 16 conditions per place. [2020-10-22 02:40:12,032 INFO L116 LiptonReduction]: Number of co-enabled transitions 52470 [2020-10-22 02:40:14,046 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-22 02:40:14,611 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 02:40:14,715 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-22 02:40:14,888 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 02:40:15,012 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-22 02:40:15,764 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-10-22 02:40:16,072 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-22 02:40:16,117 INFO L131 LiptonReduction]: Checked pairs total: 168219 [2020-10-22 02:40:16,118 INFO L133 LiptonReduction]: Total number of compositions: 204 [2020-10-22 02:40:16,118 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 158 transitions, 346 flow Received shutdown request... [2020-10-22 02:44:15,894 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 02:44:15,896 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 02:44:15,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:44:15 BasicIcfg [2020-10-22 02:44:15,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:44:15,899 INFO L168 Benchmark]: Toolchain (without parser) took 259457.09 ms. Allocated memory was 140.0 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 100.6 MB in the beginning and 711.4 MB in the end (delta: -610.8 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,904 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.48 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 99.7 MB in the beginning and 162.5 MB in the end (delta: -62.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.50 ms. Allocated memory is still 207.1 MB. Free memory was 162.5 MB in the beginning and 159.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,913 INFO L168 Benchmark]: Boogie Preprocessor took 38.01 ms. Allocated memory is still 207.1 MB. Free memory was 159.8 MB in the beginning and 157.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,913 INFO L168 Benchmark]: RCFGBuilder took 724.04 ms. Allocated memory is still 207.1 MB. Free memory was 157.8 MB in the beginning and 120.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,914 INFO L168 Benchmark]: TraceAbstraction took 257770.65 ms. Allocated memory was 207.1 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 119.3 MB in the beginning and 711.4 MB in the end (delta: -592.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2020-10-22 02:44:15,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 850.48 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 99.7 MB in the beginning and 162.5 MB in the end (delta: -62.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.50 ms. Allocated memory is still 207.1 MB. Free memory was 162.5 MB in the beginning and 159.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.01 ms. Allocated memory is still 207.1 MB. Free memory was 159.8 MB in the beginning and 157.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 724.04 ms. Allocated memory is still 207.1 MB. Free memory was 157.8 MB in the beginning and 120.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257770.65 ms. Allocated memory was 207.1 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 119.3 MB in the beginning and 711.4 MB in the end (delta: -592.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5604 VarBasedMoverChecksPositive, 81 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 431 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 165 PlacesBefore, 57 PlacesAfterwards, 195 TransitionsBefore, 82 TransitionsAfterwards, 11130 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 30 ConcurrentYvCompositions, 5 ChoiceCompositions, 160 TotalNumberOfCompositions, 24165 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 13589 VarBasedMoverChecksPositive, 131 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 844 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 209 PlacesBefore, 86 PlacesAfterwards, 250 TransitionsBefore, 120 TransitionsAfterwards, 29044 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 113 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 7 ChoiceCompositions, 184 TotalNumberOfCompositions, 79558 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 23029 VarBasedMoverChecksPositive, 145 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 1216 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 253 PlacesBefore, 112 PlacesAfterwards, 305 TransitionsBefore, 158 TransitionsAfterwards, 52470 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 43 ConcurrentYvCompositions, 6 ChoiceCompositions, 204 TotalNumberOfCompositions, 168219 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 112 places, 158 transitions, 346 flow. Already constructed 434276 states. Currently 5010 states in worklist.. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 112 places, 158 transitions, 346 flow. Already constructed 434276 states. Currently 5010 states in worklist.. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 112 places, 158 transitions, 346 flow. Already constructed 434276 states. Currently 5010 states in worklist.. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 112 places, 158 transitions, 346 flow. Already constructed 434276 states. Currently 5010 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 162 locations, 4 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 257.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 253.7s, HoareTripleCheckerStatistics: 203 SDtfs, 70 SDslu, 186 SDs, 0 SdLazy, 27 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18387occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown