/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:23:36,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:23:36,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:23:36,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:23:36,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:23:36,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:23:36,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:23:36,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:23:36,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:23:36,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:23:36,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:23:36,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:23:36,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:23:36,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:23:36,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:23:36,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:23:36,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:23:36,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:23:36,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:23:36,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:23:36,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:23:36,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:23:36,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:23:36,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:23:36,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:23:36,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:23:36,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:23:36,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:23:36,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:23:36,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:23:36,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:23:36,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:23:36,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:23:36,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:23:36,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:23:36,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:23:36,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:23:36,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:23:36,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:23:36,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:23:36,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:23:36,479 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.epf [2020-10-21 23:23:36,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:23:36,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:23:36,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:23:36,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:23:36,502 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:23:36,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:23:36,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:23:36,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:23:36,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:23:36,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:23:36,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:23:36,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:23:36,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:23:36,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:23:36,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:23:36,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:23:36,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:23:36,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:23:36,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:23:36,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:23:36,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:23:36,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:23:36,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:23:36,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:23:36,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:23:36,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:23:36,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:23:36,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:23:36,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:23:36,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:23:36,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:23:36,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:23:36,828 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:23:36,829 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:23:36,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2020-10-21 23:23:36,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b307f4a03/c52994d59ad54689ad319cf3a32c7437/FLAG8a10271a4 [2020-10-21 23:23:37,503 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:23:37,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2020-10-21 23:23:37,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b307f4a03/c52994d59ad54689ad319cf3a32c7437/FLAG8a10271a4 [2020-10-21 23:23:37,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b307f4a03/c52994d59ad54689ad319cf3a32c7437 [2020-10-21 23:23:37,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:23:37,758 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:23:37,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:23:37,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:23:37,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:23:37,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:23:37" (1/1) ... [2020-10-21 23:23:37,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ebe17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:37, skipping insertion in model container [2020-10-21 23:23:37,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:23:37" (1/1) ... [2020-10-21 23:23:37,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:23:37,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:23:38,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:23:38,413 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:23:38,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:23:38,653 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:23:38,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38 WrapperNode [2020-10-21 23:23:38,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:23:38,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:23:38,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:23:38,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:23:38,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:23:38,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:23:38,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:23:38,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:23:38,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... [2020-10-21 23:23:38,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:23:38,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:23:38,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:23:38,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:23:38,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:23:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:23:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:23:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 23:23:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:23:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 23:23:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-21 23:23:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-21 23:23:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:23:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:23:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:23:38,852 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:23:39,295 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:23:39,295 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-21 23:23:39,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:23:39 BoogieIcfgContainer [2020-10-21 23:23:39,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:23:39,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:23:39,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:23:39,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:23:39,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:23:37" (1/3) ... [2020-10-21 23:23:39,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc41416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:23:39, skipping insertion in model container [2020-10-21 23:23:39,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:23:38" (2/3) ... [2020-10-21 23:23:39,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc41416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:23:39, skipping insertion in model container [2020-10-21 23:23:39,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:23:39" (3/3) ... [2020-10-21 23:23:39,306 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_28-funptr_racefree.i [2020-10-21 23:23:39,320 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:23:39,320 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:23:39,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:23:39,329 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:23:39,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,378 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,378 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,378 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,378 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,379 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,379 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,380 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,380 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,390 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,391 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,391 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,392 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:39,400 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-21 23:23:39,413 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-21 23:23:39,433 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:23:39,434 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:23:39,434 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:23:39,434 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:23:39,434 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:23:39,434 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:23:39,435 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:23:39,435 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:23:39,450 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:23:39,451 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 116 transitions, 240 flow [2020-10-21 23:23:39,454 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 116 transitions, 240 flow [2020-10-21 23:23:39,456 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 106 places, 116 transitions, 240 flow [2020-10-21 23:23:39,533 INFO L129 PetriNetUnfolder]: 19/155 cut-off events. [2020-10-21 23:23:39,534 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-21 23:23:39,541 INFO L80 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 155 events. 19/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 388 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 78. Up to 4 conditions per place. [2020-10-21 23:23:39,547 INFO L116 LiptonReduction]: Number of co-enabled transitions 3080 [2020-10-21 23:23:41,210 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-21 23:23:41,576 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-21 23:23:41,687 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-21 23:23:42,250 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2020-10-21 23:23:42,479 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-21 23:23:42,787 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-21 23:23:43,118 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-21 23:23:43,133 INFO L131 LiptonReduction]: Checked pairs total: 7488 [2020-10-21 23:23:43,133 INFO L133 LiptonReduction]: Total number of compositions: 92 [2020-10-21 23:23:43,140 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 42 transitions, 92 flow [2020-10-21 23:23:43,159 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 238 states. [2020-10-21 23:23:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states. [2020-10-21 23:23:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:23:43,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:23:43,169 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-21 23:23:43,169 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:23:43,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:23:43,175 INFO L82 PathProgramCache]: Analyzing trace with hash 349086043, now seen corresponding path program 1 times [2020-10-21 23:23:43,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:23:43,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455271295] [2020-10-21 23:23:43,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:23:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:23:43,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:23:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:23:43,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:23:43,409 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:23:43,410 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:23:43,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:23:43,412 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 23:23:43,412 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-21 23:23:43,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,425 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,425 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,425 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,425 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:43,448 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-10-21 23:23:43,448 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-21 23:23:43,448 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:23:43,449 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:23:43,449 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:23:43,449 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:23:43,449 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:23:43,449 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:23:43,449 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:23:43,449 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:23:43,452 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:23:43,453 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 153 transitions, 324 flow [2020-10-21 23:23:43,453 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 153 transitions, 324 flow [2020-10-21 23:23:43,453 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 153 transitions, 324 flow [2020-10-21 23:23:43,509 INFO L129 PetriNetUnfolder]: 34/254 cut-off events. [2020-10-21 23:23:43,510 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-21 23:23:43,517 INFO L80 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 254 events. 34/254 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 822 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 157. Up to 8 conditions per place. [2020-10-21 23:23:43,537 INFO L116 LiptonReduction]: Number of co-enabled transitions 9380 [2020-10-21 23:23:45,449 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-21 23:23:45,714 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2020-10-21 23:23:46,455 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-10-21 23:23:46,730 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-21 23:23:46,759 INFO L131 LiptonReduction]: Checked pairs total: 25168 [2020-10-21 23:23:46,759 INFO L133 LiptonReduction]: Total number of compositions: 106 [2020-10-21 23:23:46,760 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 68 transitions, 154 flow [2020-10-21 23:23:46,998 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4428 states. [2020-10-21 23:23:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states. [2020-10-21 23:23:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 23:23:47,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:23:47,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:23:47,000 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:23:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:23:47,001 INFO L82 PathProgramCache]: Analyzing trace with hash -915227838, now seen corresponding path program 1 times [2020-10-21 23:23:47,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:23:47,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145725233] [2020-10-21 23:23:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:23:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:23:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:23:47,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145725233] [2020-10-21 23:23:47,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:23:47,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:23:47,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907923425] [2020-10-21 23:23:47,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:23:47,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:23:47,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:23:47,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:23:47,180 INFO L87 Difference]: Start difference. First operand 4428 states. Second operand 3 states. [2020-10-21 23:23:47,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:23:47,308 INFO L93 Difference]: Finished difference Result 4178 states and 11431 transitions. [2020-10-21 23:23:47,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:23:47,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 23:23:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:23:47,348 INFO L225 Difference]: With dead ends: 4178 [2020-10-21 23:23:47,348 INFO L226 Difference]: Without dead ends: 2628 [2020-10-21 23:23:47,349 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 [2020-10-21 23:23:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2020-10-21 23:23:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2628. [2020-10-21 23:23:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2020-10-21 23:23:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 7163 transitions. [2020-10-21 23:23:47,517 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 7163 transitions. Word has length 7 [2020-10-21 23:23:47,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:23:47,518 INFO L481 AbstractCegarLoop]: Abstraction has 2628 states and 7163 transitions. [2020-10-21 23:23:47,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:23:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 7163 transitions. [2020-10-21 23:23:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:23:47,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:23:47,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:23:47,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:23:47,521 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:23:47,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:23:47,521 INFO L82 PathProgramCache]: Analyzing trace with hash 471224103, now seen corresponding path program 1 times [2020-10-21 23:23:47,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:23:47,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006250191] [2020-10-21 23:23:47,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:23:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:23:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:23:47,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006250191] [2020-10-21 23:23:47,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215332382] [2020-10-21 23:23:47,685 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 [2020-10-21 23:23:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:23:47,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-21 23:23:47,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:23:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-21 23:23:47,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-21 23:23:47,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-21 23:23:47,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108656164] [2020-10-21 23:23:47,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:23:47,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:23:47,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:23:47,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:23:47,875 INFO L87 Difference]: Start difference. First operand 2628 states and 7163 transitions. Second operand 3 states. [2020-10-21 23:23:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:23:47,922 INFO L93 Difference]: Finished difference Result 2556 states and 6955 transitions. [2020-10-21 23:23:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:23:47,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:23:47,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:23:47,939 INFO L225 Difference]: With dead ends: 2556 [2020-10-21 23:23:47,939 INFO L226 Difference]: Without dead ends: 2556 [2020-10-21 23:23:47,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:23:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2020-10-21 23:23:48,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2556. [2020-10-21 23:23:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2020-10-21 23:23:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 6955 transitions. [2020-10-21 23:23:48,027 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 6955 transitions. Word has length 11 [2020-10-21 23:23:48,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:23:48,028 INFO L481 AbstractCegarLoop]: Abstraction has 2556 states and 6955 transitions. [2020-10-21 23:23:48,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:23:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 6955 transitions. [2020-10-21 23:23:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:23:48,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:23:48,033 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-21 23:23:48,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-21 23:23:48,234 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:23:48,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:23:48,234 INFO L82 PathProgramCache]: Analyzing trace with hash 36191358, now seen corresponding path program 1 times [2020-10-21 23:23:48,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:23:48,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308971999] [2020-10-21 23:23:48,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:23:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:23:48,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:23:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:23:48,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:23:48,327 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:23:48,327 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:23:48,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:23:48,328 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 23:23:48,332 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-21 23:23:48,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,365 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,366 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,381 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,381 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,382 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,383 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,388 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,391 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,391 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,391 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,393 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:23:48,398 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-10-21 23:23:48,398 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-21 23:23:48,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:23:48,398 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:23:48,399 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:23:48,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:23:48,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:23:48,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:23:48,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:23:48,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:23:48,401 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:23:48,401 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 190 transitions, 410 flow [2020-10-21 23:23:48,401 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 190 transitions, 410 flow [2020-10-21 23:23:48,402 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 170 places, 190 transitions, 410 flow [2020-10-21 23:23:48,520 INFO L129 PetriNetUnfolder]: 54/384 cut-off events. [2020-10-21 23:23:48,520 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-21 23:23:48,528 INFO L80 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 384 events. 54/384 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1464 event pairs, 1 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 262. Up to 16 conditions per place. [2020-10-21 23:23:48,550 INFO L116 LiptonReduction]: Number of co-enabled transitions 18060 [2020-10-21 23:23:49,928 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-21 23:23:50,870 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-21 23:23:51,065 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-21 23:23:51,637 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-10-21 23:23:51,891 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-21 23:23:52,220 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-21 23:23:52,505 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-21 23:23:52,546 INFO L131 LiptonReduction]: Checked pairs total: 56435 [2020-10-21 23:23:52,546 INFO L133 LiptonReduction]: Total number of compositions: 125 [2020-10-21 23:23:52,546 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 89 transitions, 208 flow [2020-10-21 23:24:02,514 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 64112 states. [2020-10-21 23:24:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 64112 states. [2020-10-21 23:24:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 23:24:02,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:24:02,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:24:02,516 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:24:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:24:02,516 INFO L82 PathProgramCache]: Analyzing trace with hash -369765334, now seen corresponding path program 1 times [2020-10-21 23:24:02,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:24:02,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588374274] [2020-10-21 23:24:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:24:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:24:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:24:02,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588374274] [2020-10-21 23:24:02,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:24:02,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:24:02,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850675658] [2020-10-21 23:24:02,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:24:02,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:24:02,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:24:02,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:24:02,553 INFO L87 Difference]: Start difference. First operand 64112 states. Second operand 3 states. [2020-10-21 23:24:03,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:24:03,587 INFO L93 Difference]: Finished difference Result 64103 states and 233817 transitions. [2020-10-21 23:24:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:24:03,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 23:24:03,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:24:03,850 INFO L225 Difference]: With dead ends: 64103 [2020-10-21 23:24:03,850 INFO L226 Difference]: Without dead ends: 39528 [2020-10-21 23:24:03,851 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 [2020-10-21 23:24:06,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39528 states. [2020-10-21 23:24:07,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39528 to 39528. [2020-10-21 23:24:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39528 states. [2020-10-21 23:24:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39528 states to 39528 states and 144443 transitions. [2020-10-21 23:24:07,842 INFO L78 Accepts]: Start accepts. Automaton has 39528 states and 144443 transitions. Word has length 7 [2020-10-21 23:24:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:24:07,842 INFO L481 AbstractCegarLoop]: Abstraction has 39528 states and 144443 transitions. [2020-10-21 23:24:07,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:24:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 39528 states and 144443 transitions. [2020-10-21 23:24:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:24:07,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:24:07,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:24:07,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:24:07,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:24:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:24:07,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1372521745, now seen corresponding path program 1 times [2020-10-21 23:24:07,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:24:07,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987747074] [2020-10-21 23:24:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:24:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:24:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:24:07,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987747074] [2020-10-21 23:24:07,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929778369] [2020-10-21 23:24:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 23:24:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:24:07,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-21 23:24:07,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-21 23:24:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-21 23:24:07,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-21 23:24:07,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-21 23:24:07,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2277481] [2020-10-21 23:24:07,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:24:07,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:24:07,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:24:07,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:24:07,972 INFO L87 Difference]: Start difference. First operand 39528 states and 144443 transitions. Second operand 3 states. [2020-10-21 23:24:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:24:08,212 INFO L93 Difference]: Finished difference Result 38944 states and 142187 transitions. [2020-10-21 23:24:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:24:08,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:24:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:24:08,423 INFO L225 Difference]: With dead ends: 38944 [2020-10-21 23:24:08,423 INFO L226 Difference]: Without dead ends: 38944 [2020-10-21 23:24:08,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:24:09,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38944 states. [2020-10-21 23:24:11,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38944 to 38944. [2020-10-21 23:24:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38944 states. [2020-10-21 23:24:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38944 states to 38944 states and 142187 transitions. [2020-10-21 23:24:11,903 INFO L78 Accepts]: Start accepts. Automaton has 38944 states and 142187 transitions. Word has length 11 [2020-10-21 23:24:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:24:11,903 INFO L481 AbstractCegarLoop]: Abstraction has 38944 states and 142187 transitions. [2020-10-21 23:24:11,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:24:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 38944 states and 142187 transitions. [2020-10-21 23:24:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:24:11,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:24:11,906 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-21 23:24:12,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-21 23:24:12,121 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:24:12,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:24:12,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1278994063, now seen corresponding path program 1 times [2020-10-21 23:24:12,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:24:12,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095367807] [2020-10-21 23:24:12,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:24:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:24:12,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:24:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:24:12,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:24:12,177 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:24:12,178 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:24:12,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:24:12,179 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 23:24:12,183 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-21 23:24:12,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,199 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,199 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,210 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,210 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,210 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,210 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,215 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,220 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,220 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,221 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,225 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,225 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,227 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,231 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,232 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:24:12,236 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 23:24:12,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-21 23:24:12,236 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:24:12,237 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:24:12,237 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:24:12,237 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:24:12,237 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:24:12,237 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:24:12,237 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:24:12,237 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:24:12,239 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:24:12,239 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 227 transitions, 498 flow [2020-10-21 23:24:12,240 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 227 transitions, 498 flow [2020-10-21 23:24:12,240 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 202 places, 227 transitions, 498 flow [2020-10-21 23:24:12,332 INFO L129 PetriNetUnfolder]: 86/578 cut-off events. [2020-10-21 23:24:12,332 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-10-21 23:24:12,341 INFO L80 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 578 events. 86/578 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2437 event pairs, 6 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 404. Up to 32 conditions per place. [2020-10-21 23:24:12,375 INFO L116 LiptonReduction]: Number of co-enabled transitions 29400 [2020-10-21 23:24:14,501 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2020-10-21 23:24:15,046 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-10-21 23:24:15,175 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-21 23:24:15,908 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2020-10-21 23:24:16,220 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-21 23:24:16,246 INFO L131 LiptonReduction]: Checked pairs total: 82873 [2020-10-21 23:24:16,246 INFO L133 LiptonReduction]: Total number of compositions: 147 [2020-10-21 23:24:16,247 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 108 transitions, 260 flow Received shutdown request... [2020-10-21 23:27:48,190 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 23:27:48,193 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 23:27:48,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:27:48 BasicIcfg [2020-10-21 23:27:48,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:27:48,199 INFO L168 Benchmark]: Toolchain (without parser) took 250444.65 ms. Allocated memory was 141.0 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 101.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,200 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.76 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 132.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.40 ms. Allocated memory is still 204.5 MB. Free memory was 132.9 MB in the beginning and 130.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,202 INFO L168 Benchmark]: Boogie Preprocessor took 43.20 ms. Allocated memory is still 204.5 MB. Free memory was 130.3 MB in the beginning and 128.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,203 INFO L168 Benchmark]: RCFGBuilder took 521.38 ms. Allocated memory is still 204.5 MB. Free memory was 128.3 MB in the beginning and 98.5 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,204 INFO L168 Benchmark]: TraceAbstraction took 248896.31 ms. Allocated memory was 204.5 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 97.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-10-21 23:27:48,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 895.76 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 132.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.40 ms. Allocated memory is still 204.5 MB. Free memory was 132.9 MB in the beginning and 130.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.20 ms. Allocated memory is still 204.5 MB. Free memory was 130.3 MB in the beginning and 128.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 521.38 ms. Allocated memory is still 204.5 MB. Free memory was 128.3 MB in the beginning and 98.5 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248896.31 ms. Allocated memory was 204.5 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 97.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1567 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 146 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 106 PlacesBefore, 34 PlacesAfterwards, 116 TransitionsBefore, 42 TransitionsAfterwards, 3080 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 92 TotalNumberOfCompositions, 7488 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4334 VarBasedMoverChecksPositive, 66 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 443 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 138 PlacesBefore, 55 PlacesAfterwards, 153 TransitionsBefore, 68 TransitionsAfterwards, 9380 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 2 ChoiceCompositions, 106 TotalNumberOfCompositions, 25168 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8497 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 936 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 170 PlacesBefore, 71 PlacesAfterwards, 190 TransitionsBefore, 89 TransitionsAfterwards, 18060 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 23 ConcurrentYvCompositions, 2 ChoiceCompositions, 125 TotalNumberOfCompositions, 56435 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 13257 VarBasedMoverChecksPositive, 146 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 1201 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 202 PlacesBefore, 87 PlacesAfterwards, 227 TransitionsBefore, 108 TransitionsAfterwards, 29400 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 84 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 4 ChoiceCompositions, 147 TotalNumberOfCompositions, 82873 MoverChecksTotal - TimeoutResultAtElement [Line: 921]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 921). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 87 places, 108 transitions, 260 flow. Already constructed 388583 states. Currently 54072 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 248.5s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 237.3s, HoareTripleCheckerStatistics: 206 SDtfs, 74 SDslu, 179 SDs, 0 SdLazy, 37 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64112occurred 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: 7.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 2/4 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