/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 11:56:36,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 11:56:36,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 11:56:36,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 11:56:36,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 11:56:36,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 11:56:36,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 11:56:36,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 11:56:36,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 11:56:36,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 11:56:36,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 11:56:36,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 11:56:36,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 11:56:36,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 11:56:36,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 11:56:36,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 11:56:36,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 11:56:36,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 11:56:36,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 11:56:36,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 11:56:36,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 11:56:36,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 11:56:36,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 11:56:36,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 11:56:36,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 11:56:36,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 11:56:36,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 11:56:36,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 11:56:36,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-After.epf [2022-01-19 11:56:36,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 11:56:36,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 11:56:36,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 11:56:36,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 11:56:36,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 11:56:36,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 11:56:36,802 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 11:56:36,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 11:56:36,802 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 11:56:36,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 11:56:36,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 11:56:36,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:56:36,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 11:56:36,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 11:56:36,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 11:56:36,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 11:56:36,805 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 11:56:36,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 11:56:36,805 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 11:56:36,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 11:56:36,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 11:56:37,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 11:56:37,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 11:56:37,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 11:56:37,012 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 11:56:37,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-01-19 11:56:37,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20261f794/ba7b009bd0bf42ddade7b61237e6e9d9/FLAGaf6a6d614 [2022-01-19 11:56:37,393 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 11:56:37,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-01-19 11:56:37,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20261f794/ba7b009bd0bf42ddade7b61237e6e9d9/FLAGaf6a6d614 [2022-01-19 11:56:37,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20261f794/ba7b009bd0bf42ddade7b61237e6e9d9 [2022-01-19 11:56:37,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 11:56:37,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 11:56:37,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 11:56:37,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 11:56:37,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 11:56:37,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:56:37" (1/1) ... [2022-01-19 11:56:37,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ef4cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:37, skipping insertion in model container [2022-01-19 11:56:37,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:56:37" (1/1) ... [2022-01-19 11:56:37,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 11:56:37,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 11:56:37,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-01-19 11:56:38,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:56:38,052 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 11:56:38,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-01-19 11:56:38,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:56:38,098 INFO L208 MainTranslator]: Completed translation [2022-01-19 11:56:38,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38 WrapperNode [2022-01-19 11:56:38,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 11:56:38,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 11:56:38,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 11:56:38,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 11:56:38,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,127 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-01-19 11:56:38,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 11:56:38,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 11:56:38,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 11:56:38,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 11:56:38,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 11:56:38,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 11:56:38,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 11:56:38,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 11:56:38,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (1/1) ... [2022-01-19 11:56:38,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:56:38,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 11:56:38,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 11:56:38,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 11:56:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-19 11:56:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 11:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 11:56:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 11:56:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 11:56:38,227 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 11:56:38,290 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 11:56:38,291 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 11:56:38,419 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 11:56:38,424 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 11:56:38,424 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 11:56:38,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:56:38 BoogieIcfgContainer [2022-01-19 11:56:38,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 11:56:38,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 11:56:38,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 11:56:38,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 11:56:38,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 11:56:37" (1/3) ... [2022-01-19 11:56:38,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3ac5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:56:38, skipping insertion in model container [2022-01-19 11:56:38,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:38" (2/3) ... [2022-01-19 11:56:38,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3ac5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:56:38, skipping insertion in model container [2022-01-19 11:56:38,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:56:38" (3/3) ... [2022-01-19 11:56:38,446 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-01-19 11:56:38,449 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 11:56:38,449 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 11:56:38,449 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 11:56:38,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:38,481 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-19 11:56:38,520 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 11:56:38,531 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 11:56:38,531 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-19 11:56:38,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-01-19 11:56:38,589 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2022-01-19 11:56:38,589 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-19 11:56:38,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-01-19 11:56:38,592 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-01-19 11:56:38,596 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-01-19 11:56:38,617 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2022-01-19 11:56:38,617 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 11:56:38,618 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:56:38,618 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 11:56:38,618 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-19 11:56:38,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:56:38,622 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-01-19 11:56:38,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:56:38,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556029409] [2022-01-19 11:56:38,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:56:38,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:56:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 11:56:38,731 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 11:56:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 11:56:38,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 11:56:38,784 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 11:56:38,785 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-19 11:56:38,786 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-19 11:56:38,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 11:56:38,793 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-19 11:56:38,797 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 11:56:38,798 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 11:56:38,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 11:56:38 BasicIcfg [2022-01-19 11:56:38,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 11:56:38,831 INFO L158 Benchmark]: Toolchain (without parser) took 1049.94ms. Allocated memory was 429.9MB in the beginning and 706.7MB in the end (delta: 276.8MB). Free memory was 373.7MB in the beginning and 625.9MB in the end (delta: -252.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.0GB. [2022-01-19 11:56:38,832 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 429.9MB. Free memory is still 391.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 11:56:38,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.54ms. Allocated memory was 429.9MB in the beginning and 706.7MB in the end (delta: 276.8MB). Free memory was 373.5MB in the beginning and 669.9MB in the end (delta: -296.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.0GB. [2022-01-19 11:56:38,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.75ms. Allocated memory is still 706.7MB. Free memory was 669.9MB in the beginning and 667.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 11:56:38,836 INFO L158 Benchmark]: Boogie Preprocessor took 25.01ms. Allocated memory is still 706.7MB. Free memory was 667.8MB in the beginning and 666.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 11:56:38,837 INFO L158 Benchmark]: RCFGBuilder took 271.90ms. Allocated memory is still 706.7MB. Free memory was 666.8MB in the beginning and 652.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-19 11:56:38,837 INFO L158 Benchmark]: TraceAbstraction took 403.93ms. Allocated memory is still 706.7MB. Free memory was 652.1MB in the beginning and 625.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2022-01-19 11:56:38,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 429.9MB. Free memory is still 391.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 315.54ms. Allocated memory was 429.9MB in the beginning and 706.7MB in the end (delta: 276.8MB). Free memory was 373.5MB in the beginning and 669.9MB in the end (delta: -296.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 27.75ms. Allocated memory is still 706.7MB. Free memory was 669.9MB in the beginning and 667.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.01ms. Allocated memory is still 706.7MB. Free memory was 667.8MB in the beginning and 666.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 271.90ms. Allocated memory is still 706.7MB. Free memory was 666.8MB in the beginning and 652.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 403.93ms. Allocated memory is still 706.7MB. Free memory was 652.1MB in the beginning and 625.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-01-19 11:56:38,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...