/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/03-practical_07-nonterm.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 21:36:16,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 21:36:16,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 21:36:16,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 21:36:16,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 21:36:16,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 21:36:16,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 21:36:16,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 21:36:16,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 21:36:16,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 21:36:16,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 21:36:16,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 21:36:16,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 21:36:16,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 21:36:16,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 21:36:16,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 21:36:16,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 21:36:16,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 21:36:16,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 21:36:16,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 21:36:16,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 21:36:16,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 21:36:16,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 21:36:16,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 21:36:16,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 21:36:16,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 21:36:16,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 21:36:16,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 21:36:16,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 21:36:16,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-19 21:36:16,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 21:36:16,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 21:36:16,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 21:36:16,654 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 21:36:16,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 21:36:16,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 21:36:16,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 21:36:16,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 21:36:16,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 21:36:16,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 21:36:16,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 21:36:16,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 21:36:16,675 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 21:36:16,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 21:36:16,675 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 21:36:16,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 21:36:16,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 21:36:16,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 21:36:16,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 21:36:16,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:36:16,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 21:36:16,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 21:36:16,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 21:36:16,678 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 21:36:16,678 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 21:36:16,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 21:36:16,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 21:36:16,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 21:36:16,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 21:36:16,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 21:36:16,890 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 21:36:16,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_07-nonterm.i [2022-02-19 21:36:16,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a503800d/fc686591387f4a3a9883d9c56d093352/FLAG531f35da5 [2022-02-19 21:36:17,380 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 21:36:17,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_07-nonterm.i [2022-02-19 21:36:17,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a503800d/fc686591387f4a3a9883d9c56d093352/FLAG531f35da5 [2022-02-19 21:36:17,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a503800d/fc686591387f4a3a9883d9c56d093352 [2022-02-19 21:36:17,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 21:36:17,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 21:36:17,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 21:36:17,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 21:36:17,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 21:36:17,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15495fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17, skipping insertion in model container [2022-02-19 21:36:17,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 21:36:17,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 21:36:17,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:36:17,749 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 21:36:17,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:36:17,848 INFO L208 MainTranslator]: Completed translation [2022-02-19 21:36:17,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17 WrapperNode [2022-02-19 21:36:17,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 21:36:17,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 21:36:17,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 21:36:17,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 21:36:17,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,901 INFO L137 Inliner]: procedures = 262, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-19 21:36:17,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 21:36:17,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 21:36:17,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 21:36:17,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 21:36:17,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 21:36:17,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 21:36:17,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 21:36:17,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 21:36:17,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (1/1) ... [2022-02-19 21:36:17,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:36:17,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:36:17,966 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 21:36:17,968 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 21:36:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 21:36:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 21:36:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 21:36:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 21:36:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 21:36:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 21:36:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 21:36:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 21:36:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 21:36:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 21:36:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 21:36:17,995 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 21:36:18,103 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 21:36:18,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 21:36:18,290 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 21:36:18,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 21:36:18,295 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 21:36:18,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:36:18 BoogieIcfgContainer [2022-02-19 21:36:18,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 21:36:18,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 21:36:18,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 21:36:18,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 21:36:18,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:36:17" (1/3) ... [2022-02-19 21:36:18,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec5cadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:36:18, skipping insertion in model container [2022-02-19 21:36:18,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:17" (2/3) ... [2022-02-19 21:36:18,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec5cadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:36:18, skipping insertion in model container [2022-02-19 21:36:18,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:36:18" (3/3) ... [2022-02-19 21:36:18,302 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2022-02-19 21:36:18,306 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 21:36:18,306 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 21:36:18,306 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-19 21:36:18,306 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 21:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:18,343 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 21:36:18,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 21:36:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:36:18,375 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 21:36:18,380 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 21:36:18,398 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 21:36:18,402 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 21:36:18,402 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-19 21:36:18,436 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 43 transitions and produced 44 states. [2022-02-19 21:36:18,438 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 21:36:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:18,442 INFO L85 PathProgramCache]: Analyzing trace with hash -693851461, now seen corresponding path program 1 times [2022-02-19 21:36:18,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:18,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358251934] [2022-02-19 21:36:18,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:18,675 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 21:36:18,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:18,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358251934] [2022-02-19 21:36:18,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358251934] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:18,677 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:18,677 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:18,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071631990] [2022-02-19 21:36:18,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:18,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:18,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:18,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:18,706 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:18,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 21:36:18,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:18,739 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-19 21:36:18,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:18,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 21:36:18,740 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 21:36:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1256221422, now seen corresponding path program 1 times [2022-02-19 21:36:18,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:18,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456971030] [2022-02-19 21:36:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:18,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:18,832 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 21:36:18,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:18,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456971030] [2022-02-19 21:36:18,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456971030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:18,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:18,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:18,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861099544] [2022-02-19 21:36:18,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:18,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:18,835 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:18,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:18,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:18,836 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:18,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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 21:36:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:18,870 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 69 transitions and produced 70 states. [2022-02-19 21:36:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:18,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 21:36:18,872 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 21:36:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:18,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1111228712, now seen corresponding path program 1 times [2022-02-19 21:36:18,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:18,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476477538] [2022-02-19 21:36:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:18,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:19,084 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 21:36:19,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:19,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476477538] [2022-02-19 21:36:19,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476477538] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:19,085 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:19,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 21:36:19,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132806877] [2022-02-19 21:36:19,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:19,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 21:36:19,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:19,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 21:36:19,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 21:36:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:19,093 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:19,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 21:36:19,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:19,157 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 81 states. [2022-02-19 21:36:19,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:19,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 21:36:19,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 21:36:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:19,160 INFO L85 PathProgramCache]: Analyzing trace with hash -159709763, now seen corresponding path program 1 times [2022-02-19 21:36:19,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:19,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147263747] [2022-02-19 21:36:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:19,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:19,209 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 21:36:19,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:19,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147263747] [2022-02-19 21:36:19,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147263747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:19,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:19,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:19,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263826748] [2022-02-19 21:36:19,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:19,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:19,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:19,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:19,212 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:19,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 21:36:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:19,833 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1157 transitions and produced 716 states. [2022-02-19 21:36:19,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:19,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 21:36:19,835 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 21:36:19,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:19,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1078084372, now seen corresponding path program 1 times [2022-02-19 21:36:19,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:19,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755415876] [2022-02-19 21:36:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:19,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:36:19,869 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 21:36:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:36:19,909 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 21:36:19,909 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 21:36:19,910 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-02-19 21:36:19,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-02-19 21:36:19,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-02-19 21:36:19,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-02-19 21:36:19,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 9 remaining) [2022-02-19 21:36:19,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-02-19 21:36:19,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-02-19 21:36:19,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-02-19 21:36:19,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-02-19 21:36:19,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 21:36:19,922 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-19 21:36:19,926 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 21:36:19,927 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 21:36:19,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:36:19 BasicIcfg [2022-02-19 21:36:19,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 21:36:19,970 INFO L158 Benchmark]: Toolchain (without parser) took 2557.49ms. Allocated memory was 183.5MB in the beginning and 348.1MB in the end (delta: 164.6MB). Free memory was 134.4MB in the beginning and 267.5MB in the end (delta: -133.1MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. [2022-02-19 21:36:19,970 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 21:36:19,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.35ms. Allocated memory is still 183.5MB. Free memory was 134.2MB in the beginning and 146.8MB in the end (delta: -12.6MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. [2022-02-19 21:36:19,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.77ms. Allocated memory is still 183.5MB. Free memory was 146.8MB in the beginning and 144.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:36:19,971 INFO L158 Benchmark]: Boogie Preprocessor took 30.85ms. Allocated memory is still 183.5MB. Free memory was 144.7MB in the beginning and 143.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:36:19,971 INFO L158 Benchmark]: RCFGBuilder took 362.28ms. Allocated memory is still 183.5MB. Free memory was 143.1MB in the beginning and 130.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 21:36:19,972 INFO L158 Benchmark]: TraceAbstraction took 1671.30ms. Allocated memory was 183.5MB in the beginning and 348.1MB in the end (delta: 164.6MB). Free memory was 129.9MB in the beginning and 267.5MB in the end (delta: -137.6MB). Peak memory consumption was 28.1MB. Max. memory is 8.0GB. [2022-02-19 21:36:19,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 434.35ms. Allocated memory is still 183.5MB. Free memory was 134.2MB in the beginning and 146.8MB in the end (delta: -12.6MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.77ms. Allocated memory is still 183.5MB. Free memory was 146.8MB in the beginning and 144.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.85ms. Allocated memory is still 183.5MB. Free memory was 144.7MB in the beginning and 143.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 362.28ms. Allocated memory is still 183.5MB. Free memory was 143.1MB in the beginning and 130.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1671.30ms. Allocated memory was 183.5MB in the beginning and 348.1MB in the end (delta: 164.6MB). Free memory was 129.9MB in the beginning and 267.5MB in the end (delta: -137.6MB). Peak memory consumption was 28.1MB. 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: 931]: 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={3:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={4:0}, myglobal=0] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L931] EXPR 0 myglobal+1 VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L931] 0 myglobal=myglobal+1 VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1] [L931] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [922] and C: myglobal=myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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: 922]: 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, 103 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, 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, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 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 21:36:20,022 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 21:36:20,240 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...