/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-wrwc.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_47-fun_write.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 21:39:19,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 21:39:19,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 21:39:19,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 21:39:19,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 21:39:19,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 21:39:19,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 21:39:19,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 21:39:19,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 21:39:19,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 21:39:19,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 21:39:19,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 21:39:19,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 21:39:19,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 21:39:19,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 21:39:19,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 21:39:19,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 21:39:19,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 21:39:19,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 21:39:19,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 21:39:19,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 21:39:19,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-19 21:39:19,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 21:39:19,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 21:39:19,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 21:39:19,182 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-wrwc.epf [2022-02-19 21:39:19,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 21:39:19,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 21:39:19,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 21:39:19,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 21:39:19,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 21:39:19,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 21:39:19,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 21:39:19,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 21:39:19,197 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 21:39:19,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 21:39:19,197 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 21:39:19,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 21:39:19,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:39:19,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 21:39:19,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 21:39:19,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 21:39:19,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 21:39:19,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 21:39:19,200 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 21:39:19,200 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 21:39:19,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 21:39:19,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 21:39:19,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 21:39:19,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 21:39:19,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 21:39:19,399 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 21:39:19,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_47-fun_write.i [2022-02-19 21:39:19,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6178c34/1c22759c3edf44e6bd81a87abc98976a/FLAG713af5901 [2022-02-19 21:39:19,841 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 21:39:19,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_47-fun_write.i [2022-02-19 21:39:19,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6178c34/1c22759c3edf44e6bd81a87abc98976a/FLAG713af5901 [2022-02-19 21:39:19,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6178c34/1c22759c3edf44e6bd81a87abc98976a [2022-02-19 21:39:19,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 21:39:19,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 21:39:19,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 21:39:19,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 21:39:19,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 21:39:19,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:39:19" (1/1) ... [2022-02-19 21:39:19,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36621c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:19, skipping insertion in model container [2022-02-19 21:39:19,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:39:19" (1/1) ... [2022-02-19 21:39:19,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 21:39:19,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 21:39:20,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:39:20,387 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 21:39:20,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:39:20,474 INFO L208 MainTranslator]: Completed translation [2022-02-19 21:39:20,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20 WrapperNode [2022-02-19 21:39:20,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 21:39:20,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 21:39:20,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 21:39:20,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 21:39:20,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,530 INFO L137 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-02-19 21:39:20,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 21:39:20,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 21:39:20,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 21:39:20,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 21:39:20,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 21:39:20,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 21:39:20,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 21:39:20,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 21:39:20,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (1/1) ... [2022-02-19 21:39:20,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:39:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:39:20,586 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) [2022-02-19 21:39:20,603 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 [2022-02-19 21:39:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 21:39:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 21:39:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 21:39:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 21:39:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 21:39:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 21:39:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 21:39:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 21:39:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 21:39:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 21:39:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 21:39:20,630 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 21:39:20,718 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 21:39:20,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 21:39:20,913 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 21:39:20,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 21:39:20,919 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 21:39:20,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:39:20 BoogieIcfgContainer [2022-02-19 21:39:20,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 21:39:20,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 21:39:20,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 21:39:20,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 21:39:20,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:39:19" (1/3) ... [2022-02-19 21:39:20,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95ce886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:39:20, skipping insertion in model container [2022-02-19 21:39:20,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:20" (2/3) ... [2022-02-19 21:39:20,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95ce886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:39:20, skipping insertion in model container [2022-02-19 21:39:20,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:39:20" (3/3) ... [2022-02-19 21:39:20,930 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2022-02-19 21:39:20,934 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 21:39:20,934 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 21:39:20,934 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-19 21:39:20,934 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 21:39:20,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:20,999 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 21:39:21,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 21:39:21,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:39:21,062 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) [2022-02-19 21:39:21,064 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 [2022-02-19 21:39:21,111 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 21:39:21,121 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=true, mMcrOverapproximateWrwc=false [2022-02-19 21:39:21,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-19 21:39:21,182 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 41 transitions and produced 42 states. [2022-02-19 21:39:21,185 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-02-19 21:39:21,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:21,191 INFO L85 PathProgramCache]: Analyzing trace with hash -834013877, now seen corresponding path program 1 times [2022-02-19 21:39:21,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:21,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402995336] [2022-02-19 21:39:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:21,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:21,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:21,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402995336] [2022-02-19 21:39:21,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402995336] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:21,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:21,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:39:21,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231925773] [2022-02-19 21:39:21,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:21,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:39:21,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:21,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:39:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:39:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,464 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:21,465 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) [2022-02-19 21:39:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,494 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 50 transitions and produced 51 states. [2022-02-19 21:39:21,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 21:39:21,495 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-02-19 21:39:21,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:21,496 INFO L85 PathProgramCache]: Analyzing trace with hash 44091556, now seen corresponding path program 1 times [2022-02-19 21:39:21,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:21,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152912513] [2022-02-19 21:39:21,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:21,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:21,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:21,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152912513] [2022-02-19 21:39:21,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152912513] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:21,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:21,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:39:21,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177863324] [2022-02-19 21:39:21,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:21,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:39:21,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:21,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:39:21,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:39:21,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:21,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-02-19 21:39:21,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,581 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 67 transitions and produced 68 states. [2022-02-19 21:39:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 21:39:21,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-02-19 21:39:21,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash -897607208, now seen corresponding path program 1 times [2022-02-19 21:39:21,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:21,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992841099] [2022-02-19 21:39:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:21,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:21,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:21,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992841099] [2022-02-19 21:39:21,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992841099] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:21,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:21,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 21:39:21,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637934869] [2022-02-19 21:39:21,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:21,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 21:39:21,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:21,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 21:39:21,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 21:39:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:21,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-02-19 21:39:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,854 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 81 states. [2022-02-19 21:39:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:39:21,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 21:39:21,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-02-19 21:39:21,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 323710952, now seen corresponding path program 1 times [2022-02-19 21:39:21,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:21,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362503545] [2022-02-19 21:39:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:21,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:21,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:21,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362503545] [2022-02-19 21:39:21,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362503545] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:21,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:21,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:39:21,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160241628] [2022-02-19 21:39:21,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:21,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:39:21,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:21,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:39:21,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:39:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:21,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:21,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-02-19 21:39:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:39:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:22,038 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 673 transitions and produced 380 states. [2022-02-19 21:39:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:39:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:22,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 21:39:22,040 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-02-19 21:39:22,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:22,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1120251550, now seen corresponding path program 1 times [2022-02-19 21:39:22,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:22,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459045616] [2022-02-19 21:39:22,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:22,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:39:22,071 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 21:39:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:39:22,113 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 21:39:22,113 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 21:39:22,114 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-02-19 21:39:22,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-02-19 21:39:22,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-02-19 21:39:22,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 6 remaining) [2022-02-19 21:39:22,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-02-19 21:39:22,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-02-19 21:39:22,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 21:39:22,128 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-19 21:39:22,146 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 21:39:22,146 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 21:39:22,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:39:22 BasicIcfg [2022-02-19 21:39:22,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 21:39:22,198 INFO L158 Benchmark]: Toolchain (without parser) took 2313.17ms. Allocated memory was 213.9MB in the beginning and 286.3MB in the end (delta: 72.4MB). Free memory was 188.3MB in the beginning and 214.2MB in the end (delta: -25.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-02-19 21:39:22,198 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory was 175.8MB in the beginning and 175.7MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 21:39:22,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.36ms. Allocated memory is still 213.9MB. Free memory was 187.8MB in the beginning and 167.7MB in the end (delta: 20.1MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. [2022-02-19 21:39:22,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.69ms. Allocated memory is still 213.9MB. Free memory was 167.7MB in the beginning and 165.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:39:22,199 INFO L158 Benchmark]: Boogie Preprocessor took 28.31ms. Allocated memory is still 213.9MB. Free memory was 165.4MB in the beginning and 164.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:39:22,199 INFO L158 Benchmark]: RCFGBuilder took 360.25ms. Allocated memory is still 213.9MB. Free memory was 164.0MB in the beginning and 152.0MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-19 21:39:22,200 INFO L158 Benchmark]: TraceAbstraction took 1275.24ms. Allocated memory was 213.9MB in the beginning and 286.3MB in the end (delta: 72.4MB). Free memory was 151.4MB in the beginning and 214.2MB in the end (delta: -62.8MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-02-19 21:39:22,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory was 175.8MB in the beginning and 175.7MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 588.36ms. Allocated memory is still 213.9MB. Free memory was 187.8MB in the beginning and 167.7MB in the end (delta: 20.1MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.69ms. Allocated memory is still 213.9MB. Free memory was 167.7MB in the beginning and 165.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.31ms. Allocated memory is still 213.9MB. Free memory was 165.4MB in the beginning and 164.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.25ms. Allocated memory is still 213.9MB. Free memory was 164.0MB in the beginning and 152.0MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1275.24ms. Allocated memory was 213.9MB in the beginning and 286.3MB in the end (delta: 72.4MB). Free memory was 151.4MB in the beginning and 214.2MB in the end (delta: -62.8MB). Peak memory consumption was 10.3MB. 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: 933]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 pthread_t id; VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] EXPR 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L933] 0 myglobal=myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L925] CALL, EXPR 1 f() [L921] 1 return 5; VAL [\result=5, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L925] RET, EXPR 1 f() [L925] 1 myglobal=f() VAL [arg={0:0}, arg={0:0}, f()=5, mutex1={1:0}, mutex2={2:0}, myglobal=5, myglobal=f()=26] [L933] 0 myglobal=myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=5, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=f() [925] and C: myglobal=myglobal+1 [933] - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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: 925]: 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, 99 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 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 [2022-02-19 21:39:22,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 21:39:22,466 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...