/usr/bin/java -Xmx8000000000 -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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 03:15:03,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 03:15:03,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 03:15:03,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 03:15:03,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 03:15:03,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 03:15:03,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 03:15:03,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 03:15:03,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 03:15:03,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 03:15:03,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 03:15:03,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 03:15:03,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 03:15:03,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 03:15:03,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 03:15:03,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 03:15:03,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 03:15:03,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 03:15:03,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 03:15:03,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 03:15:03,802 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 03:15:03,824 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 03:15:03,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 03:15:03,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 03:15:03,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 03:15:03,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 03:15:03,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 03:15:03,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 03:15:03,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 03:15:03,826 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 03:15:03,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 03:15:03,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 03:15:03,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 03:15:03,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 03:15:03,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:15:03,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 03:15:03,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 03:15:03,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 03:15:03,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 03:15:03,829 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 03:15:03,829 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 03:15:03,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-02 03:15:04,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 03:15:04,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 03:15:04,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 03:15:04,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 03:15:04,058 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 03:15:04,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2022-03-02 03:15:04,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dc98283/97ddc20cba214e8e85574818bfe794ba/FLAG54442ac2c [2022-03-02 03:15:04,532 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 03:15:04,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2022-03-02 03:15:04,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dc98283/97ddc20cba214e8e85574818bfe794ba/FLAG54442ac2c [2022-03-02 03:15:04,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dc98283/97ddc20cba214e8e85574818bfe794ba [2022-03-02 03:15:04,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 03:15:04,578 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 03:15:04,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 03:15:04,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 03:15:04,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 03:15:04,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:04,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69268ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04, skipping insertion in model container [2022-03-02 03:15:04,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:04,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 03:15:04,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 03:15:04,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 03:15:04,916 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 03:15:04,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 03:15:04,996 INFO L208 MainTranslator]: Completed translation [2022-03-02 03:15:04,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04 WrapperNode [2022-03-02 03:15:04,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 03:15:04,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 03:15:04,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 03:15:04,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 03:15:05,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,042 INFO L137 Inliner]: procedures = 264, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-03-02 03:15:05,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 03:15:05,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 03:15:05,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 03:15:05,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 03:15:05,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 03:15:05,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 03:15:05,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 03:15:05,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 03:15:05,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (1/1) ... [2022-03-02 03:15:05,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:15:05,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:15:05,116 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) [2022-03-02 03:15:05,159 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 [2022-03-02 03:15:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 03:15:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 03:15:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 03:15:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 03:15:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-02 03:15:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-02 03:15:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 03:15:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 03:15:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 03:15:05,177 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 03:15:05,304 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 03:15:05,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 03:15:05,388 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 03:15:05,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 03:15:05,393 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 03:15:05,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:15:05 BoogieIcfgContainer [2022-03-02 03:15:05,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 03:15:05,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 03:15:05,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 03:15:05,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 03:15:05,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 03:15:04" (1/3) ... [2022-03-02 03:15:05,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48efb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:15:05, skipping insertion in model container [2022-03-02 03:15:05,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:15:04" (2/3) ... [2022-03-02 03:15:05,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48efb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:15:05, skipping insertion in model container [2022-03-02 03:15:05,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:15:05" (3/3) ... [2022-03-02 03:15:05,401 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2022-03-02 03:15:05,404 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 03:15:05,404 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 03:15:05,404 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-02 03:15:05,404 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 03:15:05,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:15:05,434 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-02 03:15:05,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 03:15:05,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:15:05,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 03:15:05,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 03:15:05,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 03:15:05,538 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 03:15:05,538 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-03-02 03:15:05,591 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 37 transitions and produced 38 states. [2022-03-02 03:15:05,593 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-03-02 03:15:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:15:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1866716367, now seen corresponding path program 1 times [2022-03-02 03:15:05,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:15:05,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183973673] [2022-03-02 03:15:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:15:05,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:15:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:15:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:15:05,800 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:15:05,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183973673] [2022-03-02 03:15:05,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183973673] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:15:05,801 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:15:05,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:15:05,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508670721] [2022-03-02 03:15:05,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:15:05,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:15:05,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:15:05,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:15:05,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:15:05,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:05,840 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:15:05,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:15:05,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:05,864 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 46 transitions and produced 47 states. [2022-03-02 03:15:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:05,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 03:15:05,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-03-02 03:15:05,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:15:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash -856967534, now seen corresponding path program 1 times [2022-03-02 03:15:05,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:15:05,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415396509] [2022-03-02 03:15:05,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:15:05,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:15:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:15:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:15:05,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:15:05,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415396509] [2022-03-02 03:15:05,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415396509] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:15:05,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:15:05,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:15:05,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19011316] [2022-03-02 03:15:05,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:15:05,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:15:05,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:15:05,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:15:05,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:15:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:05,911 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:15:05,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:15:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:05,927 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62 transitions and produced 63 states. [2022-03-02 03:15:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:05,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 03:15:05,928 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-03-02 03:15:05,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:15:05,928 INFO L85 PathProgramCache]: Analyzing trace with hash 295169765, now seen corresponding path program 1 times [2022-03-02 03:15:05,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:15:05,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120985271] [2022-03-02 03:15:05,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:15:05,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:15:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:15:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:15:05,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:15:05,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120985271] [2022-03-02 03:15:05,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120985271] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:15:05,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:15:05,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:15:05,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296682143] [2022-03-02 03:15:05,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:15:05,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:15:05,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:15:05,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:15:05,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:15:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:05,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:15:05,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:15:05,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:05,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:05,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:06,021 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 75 transitions and produced 76 states. [2022-03-02 03:15:06,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-02 03:15:06,022 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-03-02 03:15:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:15:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash -195371376, now seen corresponding path program 1 times [2022-03-02 03:15:06,023 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:15:06,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44345978] [2022-03-02 03:15:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:15:06,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:15:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:15:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:15:06,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:15:06,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44345978] [2022-03-02 03:15:06,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44345978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:15:06,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:15:06,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:15:06,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43793095] [2022-03-02 03:15:06,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:15:06,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:15:06,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:15:06,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:15:06,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:15:06,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:06,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:15:06,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 03:15:06,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:15:06,138 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 386 transitions and produced 249 states. [2022-03-02 03:15:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:15:06,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-02 03:15:06,140 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-03-02 03:15:06,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:15:06,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1868435162, now seen corresponding path program 1 times [2022-03-02 03:15:06,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:15:06,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086522223] [2022-03-02 03:15:06,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:15:06,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:15:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 03:15:06,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 03:15:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 03:15:06,189 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 03:15:06,189 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 03:15:06,190 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-03-02 03:15:06,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-03-02 03:15:06,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 9 remaining) [2022-03-02 03:15:06,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-03-02 03:15:06,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-03-02 03:15:06,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-03-02 03:15:06,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-03-02 03:15:06,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-03-02 03:15:06,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-03-02 03:15:06,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-02 03:15:06,203 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-02 03:15:06,209 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 03:15:06,209 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 03:15:06,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 03:15:06 BasicIcfg [2022-03-02 03:15:06,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 03:15:06,250 INFO L158 Benchmark]: Toolchain (without parser) took 1671.23ms. Allocated memory was 190.8MB in the beginning and 231.7MB in the end (delta: 40.9MB). Free memory was 163.5MB in the beginning and 150.3MB in the end (delta: 13.2MB). Peak memory consumption was 52.9MB. Max. memory is 8.0GB. [2022-03-02 03:15:06,250 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 03:15:06,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.05ms. Allocated memory is still 190.8MB. Free memory was 163.3MB in the beginning and 145.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-03-02 03:15:06,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 190.8MB. Free memory was 145.7MB in the beginning and 143.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 03:15:06,255 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 190.8MB. Free memory was 143.5MB in the beginning and 142.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 03:15:06,258 INFO L158 Benchmark]: RCFGBuilder took 328.83ms. Allocated memory is still 190.8MB. Free memory was 142.3MB in the beginning and 131.3MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-02 03:15:06,261 INFO L158 Benchmark]: TraceAbstraction took 854.10ms. Allocated memory was 190.8MB in the beginning and 231.7MB in the end (delta: 40.9MB). Free memory was 130.6MB in the beginning and 150.3MB in the end (delta: -19.7MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2022-03-02 03:15:06,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 418.05ms. Allocated memory is still 190.8MB. Free memory was 163.3MB in the beginning and 145.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 190.8MB. Free memory was 145.7MB in the beginning and 143.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 190.8MB. Free memory was 143.5MB in the beginning and 142.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 328.83ms. Allocated memory is still 190.8MB. Free memory was 142.3MB in the beginning and 131.3MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 854.10ms. Allocated memory was 190.8MB in the beginning and 231.7MB in the end (delta: 40.9MB). Free memory was 130.6MB in the beginning and 150.3MB in the end (delta: -19.7MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 - DataRaceFoundResult [Line: 929]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L920] 0 void (*f)() = good; VAL [={-1:0}, global=0] [L926] 0 pthread_t id; VAL [={-1:0}, global=0, id={8:0}] [L927] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0, id={8:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L928] 0 f = bad VAL [={-1:2}, global=0, id={8:0}] [L922] 1 f() VAL [={-1:2}, arg={0:0}, arg={0:0}, global=0] [L922] CALL 1 f() [L918] 1 global++ VAL [={-1:2}, global=1, global++=0global++=113] [L929] 0 printf("global: %d\n", global) VAL [={-1:2}, global=1, id={8:0}] Now there is a data race on ~global~0 between C: global++ [918] and C: printf("global: %d\n", global) [929] - UnprovableResult [Line: 928]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 927]: 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. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 102 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2022-03-02 03:15:06,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-02 03:15:06,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...