/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_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:25:11,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:25:11,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:25:11,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:25:11,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:25:11,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:25:11,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:25:11,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:25:11,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:25:11,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:25:11,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:25:11,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:25:11,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:25:11,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:25:11,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:25:11,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:25:11,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:25:11,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:25:11,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:25:11,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:25:11,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:25:11,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:25:11,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:25:11,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:25:11,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:25:11,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:25:11,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:25:11,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:25:11,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:25:11,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:25:11,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:25:11,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:25:11,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:25:11,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:25:11,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:25:11,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:25:11,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:25:11,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:25:11,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:25:11,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:25:11,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:25:11,686 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 23:25:11,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:25:11,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:25:11,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:25:11,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:25:11,711 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:25:11,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:25:11,711 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:25:11,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:25:11,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:25:11,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:25:11,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:25:11,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:25:11,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:25:11,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:25:11,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:25:11,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:25:11,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:25:11,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:25:11,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:25:11,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:25:11,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:25:11,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:25:11,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:25:11,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:25:11,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:25:11,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:25:11,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:25:11,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:25:11,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:25:12,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:25:12,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:25:12,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:25:12,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:25:12,038 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:25:12,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2020-10-21 23:25:12,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae5f8344/788689edbfa04bd69a3eada1adc1c887/FLAG043e98084 [2020-10-21 23:25:12,586 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:25:12,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2020-10-21 23:25:12,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae5f8344/788689edbfa04bd69a3eada1adc1c887/FLAG043e98084 [2020-10-21 23:25:12,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae5f8344/788689edbfa04bd69a3eada1adc1c887 [2020-10-21 23:25:12,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:25:12,870 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:25:12,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:25:12,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:25:12,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:25:12,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:25:12" (1/1) ... [2020-10-21 23:25:12,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b9a66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:12, skipping insertion in model container [2020-10-21 23:25:12,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:25:12" (1/1) ... [2020-10-21 23:25:12,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:25:12,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:25:13,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:25:13,554 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:25:13,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:25:13,672 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:25:13,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13 WrapperNode [2020-10-21 23:25:13,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:25:13,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:25:13,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:25:13,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:25:13,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:25:13,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:25:13,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:25:13,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:25:13,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (1/1) ... [2020-10-21 23:25:13,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:25:13,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:25:13,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:25:13,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:25:13,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (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 23:25:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 23:25:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:25:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 23:25:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:25:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-21 23:25:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-21 23:25:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:25:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:25:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:25:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:25:13,834 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 23:25:14,422 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:25:14,422 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-21 23:25:14,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:25:14 BoogieIcfgContainer [2020-10-21 23:25:14,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:25:14,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:25:14,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:25:14,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:25:14,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:25:12" (1/3) ... [2020-10-21 23:25:14,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7b2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:25:14, skipping insertion in model container [2020-10-21 23:25:14,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:25:13" (2/3) ... [2020-10-21 23:25:14,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7b2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:25:14, skipping insertion in model container [2020-10-21 23:25:14,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:25:14" (3/3) ... [2020-10-21 23:25:14,434 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2020-10-21 23:25:14,444 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:25:14,444 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:25:14,453 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:25:14,454 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:25:14,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,483 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,483 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,485 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,488 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,488 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,489 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,490 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,490 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,495 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,495 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,496 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,497 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:25:14,507 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-21 23:25:14,521 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-21 23:25:14,543 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:25:14,544 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:25:14,544 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:25:14,544 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:25:14,544 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:25:14,544 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:25:14,544 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:25:14,545 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:25:14,560 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:25:14,561 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 100 transitions, 208 flow [2020-10-21 23:25:14,563 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 100 transitions, 208 flow [2020-10-21 23:25:14,566 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 94 places, 100 transitions, 208 flow [2020-10-21 23:25:14,617 INFO L129 PetriNetUnfolder]: 10/99 cut-off events. [2020-10-21 23:25:14,617 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-21 23:25:14,623 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 99 events. 10/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2020-10-21 23:25:14,627 INFO L116 LiptonReduction]: Number of co-enabled transitions 1650 [2020-10-21 23:25:16,697 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-21 23:25:16,929 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-21 23:25:17,812 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2020-10-21 23:25:18,208 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-21 23:25:18,218 INFO L131 LiptonReduction]: Checked pairs total: 3249 [2020-10-21 23:25:18,218 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-10-21 23:25:18,225 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 30 transitions, 68 flow [2020-10-21 23:25:18,238 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 84 states. [2020-10-21 23:25:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-10-21 23:25:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 23:25:18,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:25:18,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 23:25:18,249 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:25:18,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:25:18,255 INFO L82 PathProgramCache]: Analyzing trace with hash 367682920, now seen corresponding path program 1 times [2020-10-21 23:25:18,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:25:18,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70148162] [2020-10-21 23:25:18,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:25:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:25:18,524 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 23:25:18,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70148162] [2020-10-21 23:25:18,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:25:18,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:25:18,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593035364] [2020-10-21 23:25:18,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:25:18,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:25:18,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:25:18,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:25:18,548 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2020-10-21 23:25:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:25:18,600 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2020-10-21 23:25:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:25:18,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 23:25:18,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:25:18,612 INFO L225 Difference]: With dead ends: 105 [2020-10-21 23:25:18,613 INFO L226 Difference]: Without dead ends: 38 [2020-10-21 23:25:18,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 23:25:18,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-21 23:25:18,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-21 23:25:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-21 23:25:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 60 transitions. [2020-10-21 23:25:18,656 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 60 transitions. Word has length 5 [2020-10-21 23:25:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:25:18,656 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 60 transitions. [2020-10-21 23:25:18,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:25:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-10-21 23:25:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:25:18,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:25:18,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:25:18,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:25:18,658 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:25:18,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:25:18,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1125955640, now seen corresponding path program 1 times [2020-10-21 23:25:18,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:25:18,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456851905] [2020-10-21 23:25:18,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:25:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:25:18,793 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 23:25:18,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456851905] [2020-10-21 23:25:18,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:25:18,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:25:18,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788259331] [2020-10-21 23:25:18,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:25:18,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:25:18,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:25:18,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:25:18,797 INFO L87 Difference]: Start difference. First operand 38 states and 60 transitions. Second operand 5 states. [2020-10-21 23:25:18,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:25:18,844 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2020-10-21 23:25:18,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:25:18,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-21 23:25:18,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:25:18,845 INFO L225 Difference]: With dead ends: 33 [2020-10-21 23:25:18,845 INFO L226 Difference]: Without dead ends: 30 [2020-10-21 23:25:18,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:25:18,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-21 23:25:18,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-10-21 23:25:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-21 23:25:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2020-10-21 23:25:18,851 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 9 [2020-10-21 23:25:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:25:18,851 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2020-10-21 23:25:18,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:25:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-10-21 23:25:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 23:25:18,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:25:18,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:25:18,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:25:18,853 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:25:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:25:18,853 INFO L82 PathProgramCache]: Analyzing trace with hash 544575243, now seen corresponding path program 1 times [2020-10-21 23:25:18,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:25:18,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372176268] [2020-10-21 23:25:18,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:25:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:25:18,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:25:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:25:18,932 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:25:18,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:25:18,970 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:25:18,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:25:19,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:25:19 BasicIcfg [2020-10-21 23:25:19,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:25:19,014 INFO L168 Benchmark]: Toolchain (without parser) took 6148.22 ms. Allocated memory was 140.5 MB in the beginning and 274.7 MB in the end (delta: 134.2 MB). Free memory was 102.4 MB in the beginning and 157.2 MB in the end (delta: -54.7 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,015 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.88 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 160.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.55 ms. Allocated memory is still 205.0 MB. Free memory was 160.4 MB in the beginning and 158.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,018 INFO L168 Benchmark]: Boogie Preprocessor took 34.49 ms. Allocated memory is still 205.0 MB. Free memory was 158.2 MB in the beginning and 156.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,019 INFO L168 Benchmark]: RCFGBuilder took 662.12 ms. Allocated memory is still 205.0 MB. Free memory was 156.1 MB in the beginning and 129.2 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,020 INFO L168 Benchmark]: TraceAbstraction took 4586.61 ms. Allocated memory was 205.0 MB in the beginning and 274.7 MB in the end (delta: 69.7 MB). Free memory was 128.5 MB in the beginning and 157.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:25:19,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.88 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 160.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.55 ms. Allocated memory is still 205.0 MB. Free memory was 160.4 MB in the beginning and 158.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.49 ms. Allocated memory is still 205.0 MB. Free memory was 158.2 MB in the beginning and 156.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 662.12 ms. Allocated memory is still 205.0 MB. Free memory was 156.1 MB in the beginning and 129.2 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4586.61 ms. Allocated memory was 205.0 MB in the beginning and 274.7 MB in the end (delta: 69.7 MB). Free memory was 128.5 MB in the beginning and 157.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 886 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 28 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 94 PlacesBefore, 25 PlacesAfterwards, 100 TransitionsBefore, 30 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 85 TotalNumberOfCompositions, 3249 MoverChecksTotal - CounterExampleResult [Line: 683]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L700] 0 pthread_t id; [L701] 0 int i = 0; [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={9:0}, mutex1={10:0}, mutex2={6:0}] [L693] 1 int *p = (int *) arg; [L695] EXPR 1 \read(*p) [L695] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={3:0}, arg={9:0}, arg={9:0}, mutex1={10:0}, mutex2={6:0}, p={9:0}] [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={3:0}, arg={9:0}, arg={9:0}, mutex1={10:0}, mutex2={6:0}, p={9:0}] [L704] 0 \read(i) [L684] COND TRUE 0 !(cond) [L683] COND FALSE 0 !(0) [L683] 0 __assert_fail ("0", "racemacros.h", 9, __extension__ __PRETTY_FUNCTION__) VAL [__global_lock={3:0}, arg={9:0}, arg={9:0}, mutex1={10:0}, mutex2={6:0}, p={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 28 SDtfs, 25 SDslu, 14 SDs, 0 SdLazy, 39 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! Received shutdown request...