/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 21:38:09,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 21:38:09,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 21:38:09,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 21:38:09,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 21:38:09,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 21:38:09,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 21:38:09,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 21:38:09,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 21:38:09,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 21:38:09,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 21:38:09,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 21:38:09,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 21:38:09,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 21:38:09,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 21:38:09,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 21:38:09,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 21:38:09,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 21:38:09,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 21:38:09,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 21:38:09,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 21:38:09,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 21:38:09,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 21:38:09,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 21:38:09,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 21:38:09,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 21:38:09,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 21:38:09,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 21:38:09,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 21:38:09,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 21:38:09,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 21:38:09,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 21:38:09,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 21:38:09,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 21:38:09,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 21:38:09,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 21:38:09,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 21:38:09,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 21:38:09,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 21:38:09,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 21:38:09,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 21:38:09,270 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 21:38:09,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 21:38:09,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 21:38:09,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 21:38:09,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 21:38:09,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 21:38:09,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 21:38:09,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 21:38:09,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 21:38:09,293 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 21:38:09,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 21:38:09,293 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 21:38:09,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 21:38:09,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 21:38:09,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:38:09,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 21:38:09,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 21:38:09,296 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 21:38:09,296 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 21:38:09,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 21:38:09,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 21:38:09,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 21:38:09,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 21:38:09,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 21:38:09,515 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 21:38:09,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2022-02-19 21:38:09,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d4210855/e8924c472cb84d06a5e1e116d237cdc7/FLAGbb171d9d7 [2022-02-19 21:38:09,970 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 21:38:09,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2022-02-19 21:38:09,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d4210855/e8924c472cb84d06a5e1e116d237cdc7/FLAGbb171d9d7 [2022-02-19 21:38:10,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d4210855/e8924c472cb84d06a5e1e116d237cdc7 [2022-02-19 21:38:10,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 21:38:10,329 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 21:38:10,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 21:38:10,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 21:38:10,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 21:38:10,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d16bb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10, skipping insertion in model container [2022-02-19 21:38:10,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 21:38:10,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 21:38:10,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:38:10,698 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 21:38:10,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:38:10,794 INFO L208 MainTranslator]: Completed translation [2022-02-19 21:38:10,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10 WrapperNode [2022-02-19 21:38:10,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 21:38:10,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 21:38:10,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 21:38:10,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 21:38:10,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,850 INFO L137 Inliner]: procedures = 263, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-02-19 21:38:10,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 21:38:10,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 21:38:10,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 21:38:10,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 21:38:10,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 21:38:10,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 21:38:10,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 21:38:10,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 21:38:10,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (1/1) ... [2022-02-19 21:38:10,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:38:10,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:38:10,910 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 21:38:10,917 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 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 21:38:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 21:38:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 21:38:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 21:38:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 21:38:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 21:38:10,941 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 21:38:11,029 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 21:38:11,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 21:38:11,164 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 21:38:11,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 21:38:11,170 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 21:38:11,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:38:11 BoogieIcfgContainer [2022-02-19 21:38:11,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 21:38:11,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 21:38:11,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 21:38:11,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 21:38:11,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:38:10" (1/3) ... [2022-02-19 21:38:11,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1d280e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:38:11, skipping insertion in model container [2022-02-19 21:38:11,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:38:10" (2/3) ... [2022-02-19 21:38:11,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1d280e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:38:11, skipping insertion in model container [2022-02-19 21:38:11,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:38:11" (3/3) ... [2022-02-19 21:38:11,177 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2022-02-19 21:38:11,181 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 21:38:11,181 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 21:38:11,181 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-19 21:38:11,181 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 21:38:11,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,202 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,207 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,208 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:38:11,210 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 21:38:11,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 21:38:11,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:38:11,258 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 21:38:11,259 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 21:38:11,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 21:38:11,283 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 21:38:11,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-19 21:38:11,319 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-02-19 21:38:11,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-19 21:38:11,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:38:11,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1939051801, now seen corresponding path program 1 times [2022-02-19 21:38:11,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:38:11,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319714014] [2022-02-19 21:38:11,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:38:11,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:38:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:38:11,500 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 21:38:11,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:38:11,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319714014] [2022-02-19 21:38:11,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319714014] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:38:11,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:38:11,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:38:11,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572122244] [2022-02-19 21:38:11,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:38:11,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:38:11,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:38:11,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:38:11,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:38:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:38:11,529 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:38:11,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 21:38:11,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:38:11,583 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 97 transitions and produced 98 states. [2022-02-19 21:38:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:38:11,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 21:38:11,585 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-19 21:38:11,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:38:11,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1484727409, now seen corresponding path program 1 times [2022-02-19 21:38:11,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:38:11,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793737493] [2022-02-19 21:38:11,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:38:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:38:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:38:11,808 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 21:38:11,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:38:11,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793737493] [2022-02-19 21:38:11,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793737493] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:38:11,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:38:11,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 21:38:11,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139132602] [2022-02-19 21:38:11,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:38:11,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 21:38:11,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:38:11,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 21:38:11,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 21:38:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:38:11,812 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:38:11,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 21:38:11,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:38:11,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:38:11,854 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states. [2022-02-19 21:38:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:38:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:38:11,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 21:38:11,855 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-19 21:38:11,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:38:11,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1804631314, now seen corresponding path program 1 times [2022-02-19 21:38:11,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:38:11,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657225043] [2022-02-19 21:38:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:38:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:38:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:38:11,946 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 21:38:11,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:38:11,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657225043] [2022-02-19 21:38:11,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657225043] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:38:11,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:38:11,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:38:11,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106373438] [2022-02-19 21:38:11,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:38:11,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:38:11,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:38:11,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:38:11,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:38:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:38:11,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:38:11,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 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 21:38:11,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:38:11,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:38:11,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:38:12,190 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1745 transitions and produced 1021 states. [2022-02-19 21:38:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:38:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:38:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:38:12,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 21:38:12,191 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-19 21:38:12,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:38:12,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1987494670, now seen corresponding path program 1 times [2022-02-19 21:38:12,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:38:12,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367058885] [2022-02-19 21:38:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:38:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:38:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:38:12,215 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 21:38:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:38:12,258 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 21:38:12,258 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 21:38:12,259 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-19 21:38:12,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-19 21:38:12,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-19 21:38:12,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-02-19 21:38:12,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-19 21:38:12,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-19 21:38:12,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-19 21:38:12,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-19 21:38:12,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 21:38:12,266 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 21:38:12,269 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 21:38:12,270 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 21:38:12,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:38:12 BasicIcfg [2022-02-19 21:38:12,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 21:38:12,302 INFO L158 Benchmark]: Toolchain (without parser) took 1972.91ms. Allocated memory was 209.7MB in the beginning and 265.3MB in the end (delta: 55.6MB). Free memory was 157.1MB in the beginning and 94.8MB in the end (delta: 62.3MB). Peak memory consumption was 118.2MB. Max. memory is 8.0GB. [2022-02-19 21:38:12,303 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 21:38:12,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.64ms. Allocated memory is still 209.7MB. Free memory was 156.9MB in the beginning and 167.2MB in the end (delta: -10.3MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-02-19 21:38:12,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.70ms. Allocated memory is still 209.7MB. Free memory was 167.2MB in the beginning and 165.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:38:12,304 INFO L158 Benchmark]: Boogie Preprocessor took 30.55ms. Allocated memory is still 209.7MB. Free memory was 165.1MB in the beginning and 163.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 21:38:12,304 INFO L158 Benchmark]: RCFGBuilder took 288.71ms. Allocated memory is still 209.7MB. Free memory was 163.6MB in the beginning and 149.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-19 21:38:12,305 INFO L158 Benchmark]: TraceAbstraction took 1129.19ms. Allocated memory was 209.7MB in the beginning and 265.3MB in the end (delta: 55.6MB). Free memory was 149.4MB in the beginning and 94.8MB in the end (delta: 54.6MB). Peak memory consumption was 110.7MB. Max. memory is 8.0GB. [2022-02-19 21:38:12,307 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 209.7MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.64ms. Allocated memory is still 209.7MB. Free memory was 156.9MB in the beginning and 167.2MB in the end (delta: -10.3MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.70ms. Allocated memory is still 209.7MB. Free memory was 167.2MB in the beginning and 165.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.55ms. Allocated memory is still 209.7MB. Free memory was 165.1MB in the beginning and 163.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 288.71ms. Allocated memory is still 209.7MB. Free memory was 163.6MB in the beginning and 149.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1129.19ms. Allocated memory was 209.7MB in the beginning and 265.3MB in the end (delta: 55.6MB). Free memory was 149.4MB in the beginning and 94.8MB in the end (delta: 54.6MB). Peak memory consumption was 110.7MB. 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: 937]: 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={2:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L931] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] [L937] 0 add1(myglobal) VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: add1(myglobal) [937] - 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: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 21:38:12,429 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 21:38:12,639 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...