/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_08-nonterm1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 21:36:22,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 21:36:22,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 21:36:22,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 21:36:22,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 21:36:22,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 21:36:22,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 21:36:22,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 21:36:22,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 21:36:22,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 21:36:22,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 21:36:22,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 21:36:22,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 21:36:22,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 21:36:22,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 21:36:22,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 21:36:22,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 21:36:22,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 21:36:22,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 21:36:22,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 21:36:22,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 21:36:22,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 21:36:22,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 21:36:22,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 21:36:22,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 21:36:22,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 21:36:22,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 21:36:22,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 21:36:22,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 21:36:22,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 21:36:22,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 21:36:22,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 21:36:22,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 21:36:22,917 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 21:36:22,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 21:36:22,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 21:36:22,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 21:36:22,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 21:36:22,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 21:36:22,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 21:36:22,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 21:36:22,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 21:36:22,943 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 21:36:22,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 21:36:22,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 21:36:22,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 21:36:22,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 21:36:22,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 21:36:22,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 21:36:22,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 21:36:22,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 21:36:22,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 21:36:22,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:36:22,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 21:36:22,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 21:36:22,948 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 21:36:22,948 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 21:36:22,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 21:36:23,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 21:36:23,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 21:36:23,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 21:36:23,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 21:36:23,139 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 21:36:23,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-02-19 21:36:23,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb25759f/277df0ebef5a45128f698c97ed84216d/FLAG3bf40616a [2022-02-19 21:36:23,626 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 21:36:23,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-02-19 21:36:23,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb25759f/277df0ebef5a45128f698c97ed84216d/FLAG3bf40616a [2022-02-19 21:36:23,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb25759f/277df0ebef5a45128f698c97ed84216d [2022-02-19 21:36:23,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 21:36:23,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 21:36:23,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 21:36:23,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 21:36:23,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 21:36:23,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:36:23" (1/1) ... [2022-02-19 21:36:23,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5579609a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:23, skipping insertion in model container [2022-02-19 21:36:23,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:36:23" (1/1) ... [2022-02-19 21:36:23,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 21:36:23,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 21:36:24,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:36:24,116 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 21:36:24,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:36:24,197 INFO L208 MainTranslator]: Completed translation [2022-02-19 21:36:24,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24 WrapperNode [2022-02-19 21:36:24,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 21:36:24,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 21:36:24,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 21:36:24,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 21:36:24,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,259 INFO L137 Inliner]: procedures = 264, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-02-19 21:36:24,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 21:36:24,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 21:36:24,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 21:36:24,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 21:36:24,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 21:36:24,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 21:36:24,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 21:36:24,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 21:36:24,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (1/1) ... [2022-02-19 21:36:24,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:36:24,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:36:24,308 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 21:36:24,313 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 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 21:36:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 21:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 21:36:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 21:36:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 21:36:24,334 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 21:36:24,472 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 21:36:24,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 21:36:24,661 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 21:36:24,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 21:36:24,668 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-19 21:36:24,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:36:24 BoogieIcfgContainer [2022-02-19 21:36:24,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 21:36:24,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 21:36:24,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 21:36:24,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 21:36:24,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:36:23" (1/3) ... [2022-02-19 21:36:24,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a54d384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:36:24, skipping insertion in model container [2022-02-19 21:36:24,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:36:24" (2/3) ... [2022-02-19 21:36:24,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a54d384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:36:24, skipping insertion in model container [2022-02-19 21:36:24,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:36:24" (3/3) ... [2022-02-19 21:36:24,682 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2022-02-19 21:36:24,686 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 21:36:24,686 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 21:36:24,686 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-02-19 21:36:24,686 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 21:36:24,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:36:24,760 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 21:36:24,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 21:36:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:36:24,807 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 21:36:24,809 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 21:36:24,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 21:36:24,838 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 21:36:24,838 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-02-19 21:36:24,889 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 42 transitions and produced 43 states. [2022-02-19 21:36:24,891 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:24,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:24,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1019701197, now seen corresponding path program 1 times [2022-02-19 21:36:24,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:24,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348375796] [2022-02-19 21:36:24,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:25,115 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 21:36:25,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:25,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348375796] [2022-02-19 21:36:25,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348375796] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:25,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:25,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:25,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694401857] [2022-02-19 21:36:25,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:25,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:25,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:25,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:25,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:25,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,143 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:25,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 21:36:25,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,174 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-02-19 21:36:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 21:36:25,176 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:25,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:25,177 INFO L85 PathProgramCache]: Analyzing trace with hash -933330746, now seen corresponding path program 1 times [2022-02-19 21:36:25,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:25,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780422723] [2022-02-19 21:36:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:25,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:25,256 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 21:36:25,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:25,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780422723] [2022-02-19 21:36:25,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780422723] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:25,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:25,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:25,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182886478] [2022-02-19 21:36:25,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:25,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:25,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,260 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:25,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 21:36:25,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,296 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 68 transitions and produced 69 states. [2022-02-19 21:36:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 21:36:25,297 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:25,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:25,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1208307905, now seen corresponding path program 1 times [2022-02-19 21:36:25,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:25,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966828736] [2022-02-19 21:36:25,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:25,465 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 21:36:25,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:25,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966828736] [2022-02-19 21:36:25,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966828736] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:25,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:25,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 21:36:25,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22317276] [2022-02-19 21:36:25,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:25,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 21:36:25,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:25,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 21:36:25,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 21:36:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:25,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 21:36:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,535 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 79 transitions and produced 80 states. [2022-02-19 21:36:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:25,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 21:36:25,537 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:25,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash 91998042, now seen corresponding path program 1 times [2022-02-19 21:36:25,537 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:25,537 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029640079] [2022-02-19 21:36:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:25,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:25,602 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 21:36:25,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:25,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029640079] [2022-02-19 21:36:25,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029640079] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:25,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:25,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:25,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074081611] [2022-02-19 21:36:25,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:25,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:25,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:25,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:25,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:25,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:25,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 21:36:25,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:25,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,703 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-02-19 21:36:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 21:36:25,704 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1405243187, now seen corresponding path program 1 times [2022-02-19 21:36:25,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:25,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228416190] [2022-02-19 21:36:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:25,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:25,747 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 21:36:25,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:25,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228416190] [2022-02-19 21:36:25,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228416190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:25,748 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:25,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:36:25,748 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046377809] [2022-02-19 21:36:25,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:25,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:25,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:25,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:25,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:25,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:25,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:25,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 21:36:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:27,355 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3072 transitions and produced 1798 states. [2022-02-19 21:36:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 21:36:27,357 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:27,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:27,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2114729660, now seen corresponding path program 1 times [2022-02-19 21:36:27,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:27,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637940093] [2022-02-19 21:36:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:36:27,389 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 21:36:27,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:36:27,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637940093] [2022-02-19 21:36:27,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637940093] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:36:27,390 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:36:27,390 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 21:36:27,390 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956814732] [2022-02-19 21:36:27,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:36:27,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:36:27,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:36:27,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:36:27,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:36:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:27,391 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:36:27,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 21:36:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:36:28,321 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1672 transitions and produced 1006 states. [2022-02-19 21:36:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:36:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:36:28,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 21:36:28,322 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-19 21:36:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:36:28,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1138442598, now seen corresponding path program 1 times [2022-02-19 21:36:28,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:36:28,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016768597] [2022-02-19 21:36:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:36:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:36:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:36:28,353 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 21:36:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:36:28,395 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 21:36:28,395 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 21:36:28,398 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-02-19 21:36:28,400 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-02-19 21:36:28,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-02-19 21:36:28,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-02-19 21:36:28,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 13 remaining) [2022-02-19 21:36:28,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-02-19 21:36:28,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-02-19 21:36:28,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-02-19 21:36:28,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-02-19 21:36:28,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2022-02-19 21:36:28,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-02-19 21:36:28,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-02-19 21:36:28,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-02-19 21:36:28,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-19 21:36:28,414 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-02-19 21:36:28,417 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 21:36:28,417 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 21:36:28,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:36:28 BasicIcfg [2022-02-19 21:36:28,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 21:36:28,464 INFO L158 Benchmark]: Toolchain (without parser) took 4794.81ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 909.1MB). Free memory was 149.6MB in the beginning and 589.6MB in the end (delta: -440.0MB). Peak memory consumption was 470.6MB. Max. memory is 8.0GB. [2022-02-19 21:36:28,464 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 168.0MB in the beginning and 167.9MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 21:36:28,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.46ms. Allocated memory is still 202.4MB. Free memory was 149.4MB in the beginning and 160.5MB in the end (delta: -11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 21:36:28,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.79ms. Allocated memory is still 202.4MB. Free memory was 160.5MB in the beginning and 157.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:36:28,465 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 202.4MB. Free memory was 157.9MB in the beginning and 156.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 21:36:28,465 INFO L158 Benchmark]: RCFGBuilder took 388.61ms. Allocated memory is still 202.4MB. Free memory was 156.3MB in the beginning and 143.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 21:36:28,466 INFO L158 Benchmark]: TraceAbstraction took 3792.41ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 909.1MB). Free memory was 142.7MB in the beginning and 589.6MB in the end (delta: -446.9MB). Peak memory consumption was 463.2MB. Max. memory is 8.0GB. [2022-02-19 21:36:28,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 168.0MB in the beginning and 167.9MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 526.46ms. Allocated memory is still 202.4MB. Free memory was 149.4MB in the beginning and 160.5MB in the end (delta: -11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.79ms. Allocated memory is still 202.4MB. Free memory was 160.5MB in the beginning and 157.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 202.4MB. Free memory was 157.9MB in the beginning and 156.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 388.61ms. Allocated memory is still 202.4MB. Free memory was 156.3MB in the beginning and 143.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3792.41ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 909.1MB). Free memory was 142.7MB in the beginning and 589.6MB in the end (delta: -446.9MB). Peak memory consumption was 463.2MB. 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: 939]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int myglobal; VAL [myglobal=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L936] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0] [L937] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L930] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0] [L930] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L939] EXPR 0 myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L939] 0 myglobal=myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=2, myglobal=myglobal+1=25] [L932] CALL 1 fun() [L922] 1 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, i=0, mutex1={2:0}, mutex2={3:0}, myglobal=2] [L924] 1 myglobal+1 VAL [i=0, mutex1={2:0}, mutex2={3:0}, myglobal=2] [L939] 0 myglobal=myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=2, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [924] and C: myglobal=myglobal+1 [939] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 937]: 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: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: 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, 140 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 21:36:28,526 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 21:36:28,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...