/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_50-funptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 21:39:20,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 21:39:20,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 21:39:20,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 21:39:20,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 21:39:20,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 21:39:20,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 21:39:20,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 21:39:20,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 21:39:20,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 21:39:20,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 21:39:20,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 21:39:20,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 21:39:20,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 21:39:20,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 21:39:20,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 21:39:20,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 21:39:20,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 21:39:20,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 21:39:20,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 21:39:20,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 21:39:20,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 21:39:20,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 21:39:20,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 21:39:20,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 21:39:20,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 21:39:20,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 21:39:20,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 21:39:20,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 21:39:20,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 21:39:20,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 21:39:20,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 21:39:20,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 21:39:20,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 21:39:20,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 21:39:20,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 21:39:20,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 21:39:20,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 21:39:20,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 21:39:20,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 21:39:20,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 21:39:20,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf [2022-02-19 21:39:20,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 21:39:20,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 21:39:20,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 21:39:20,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 21:39:20,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 21:39:20,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 21:39:20,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 21:39:20,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 21:39:20,262 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 21:39:20,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 21:39:20,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 21:39:20,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 21:39:20,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 21:39:20,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 21:39:20,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:39:20,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 21:39:20,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 21:39:20,267 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 21:39:20,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 21:39:20,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 21:39:20,267 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 21:39:20,267 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 21:39:20,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 21:39:20,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 21:39:20,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 21:39:20,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 21:39:20,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 21:39:20,503 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 21:39:20,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2022-02-19 21:39:20,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ba449ec/54780ad3e65e4d0f9c7c06d63f6ca13c/FLAG25ab526ec [2022-02-19 21:39:20,920 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 21:39:20,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2022-02-19 21:39:20,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ba449ec/54780ad3e65e4d0f9c7c06d63f6ca13c/FLAG25ab526ec [2022-02-19 21:39:21,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ba449ec/54780ad3e65e4d0f9c7c06d63f6ca13c [2022-02-19 21:39:21,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 21:39:21,295 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 21:39:21,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 21:39:21,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 21:39:21,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 21:39:21,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b03e6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21, skipping insertion in model container [2022-02-19 21:39:21,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 21:39:21,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 21:39:21,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:39:21,738 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 21:39:21,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 21:39:21,816 INFO L208 MainTranslator]: Completed translation [2022-02-19 21:39:21,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21 WrapperNode [2022-02-19 21:39:21,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 21:39:21,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 21:39:21,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 21:39:21,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 21:39:21,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,858 INFO L137 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-02-19 21:39:21,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 21:39:21,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 21:39:21,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 21:39:21,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 21:39:21,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 21:39:21,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 21:39:21,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 21:39:21,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 21:39:21,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (1/1) ... [2022-02-19 21:39:21,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 21:39:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:39:21,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 21:39:21,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 21:39:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 21:39:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 21:39:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 21:39:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 21:39:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 21:39:21,964 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 21:39:22,084 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 21:39:22,086 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 21:39:22,238 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 21:39:22,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 21:39:22,244 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 21:39:22,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:39:22 BoogieIcfgContainer [2022-02-19 21:39:22,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 21:39:22,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 21:39:22,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 21:39:22,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 21:39:22,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:39:21" (1/3) ... [2022-02-19 21:39:22,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdd8141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:39:22, skipping insertion in model container [2022-02-19 21:39:22,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:39:21" (2/3) ... [2022-02-19 21:39:22,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdd8141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:39:22, skipping insertion in model container [2022-02-19 21:39:22,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:39:22" (3/3) ... [2022-02-19 21:39:22,252 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2022-02-19 21:39:22,256 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 21:39:22,256 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 21:39:22,256 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-19 21:39:22,256 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 21:39:22,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,289 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,289 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 21:39:22,293 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 21:39:22,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 21:39:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 21:39:22,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 21:39:22,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 21:39:22,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 21:39:22,356 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 21:39:22,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 21:39:22,415 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 41 transitions and produced 42 states. [2022-02-19 21:39:22,417 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-19 21:39:22,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:22,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2005149439, now seen corresponding path program 1 times [2022-02-19 21:39:22,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:22,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531595255] [2022-02-19 21:39:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:22,646 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:22,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531595255] [2022-02-19 21:39:22,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531595255] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:22,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:22,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:39:22,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502311845] [2022-02-19 21:39:22,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:22,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:39:22,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:39:22,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:39:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:22,670 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:22,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 21:39:22,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:22,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 97 transitions and produced 98 states. [2022-02-19 21:39:22,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:22,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 21:39:22,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-19 21:39:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:22,706 INFO L85 PathProgramCache]: Analyzing trace with hash -916016930, now seen corresponding path program 1 times [2022-02-19 21:39:22,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:22,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085480314] [2022-02-19 21:39:22,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:22,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:22,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:22,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:22,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085480314] [2022-02-19 21:39:22,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085480314] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:22,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:22,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 21:39:22,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060492640] [2022-02-19 21:39:22,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:22,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 21:39:22,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:22,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 21:39:22,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 21:39:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:22,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:22,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 21:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:22,873 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 97 transitions and produced 98 states. [2022-02-19 21:39:22,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 21:39:22,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 21:39:22,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-19 21:39:22,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1419369447, now seen corresponding path program 1 times [2022-02-19 21:39:22,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:22,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593924899] [2022-02-19 21:39:22,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:23,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:23,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593924899] [2022-02-19 21:39:23,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593924899] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:23,076 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:23,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 21:39:23,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779216402] [2022-02-19 21:39:23,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:23,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 21:39:23,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:23,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 21:39:23,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 21:39:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:23,078 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:23,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 21:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 21:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:23,148 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 104 transitions and produced 105 states. [2022-02-19 21:39:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 21:39:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:39:23,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 21:39:23,151 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-19 21:39:23,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:23,151 INFO L85 PathProgramCache]: Analyzing trace with hash -680823768, now seen corresponding path program 1 times [2022-02-19 21:39:23,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:23,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591820322] [2022-02-19 21:39:23,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:23,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 21:39:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 21:39:23,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 21:39:23,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591820322] [2022-02-19 21:39:23,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591820322] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 21:39:23,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 21:39:23,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 21:39:23,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728170190] [2022-02-19 21:39:23,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 21:39:23,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 21:39:23,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 21:39:23,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 21:39:23,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 21:39:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:23,245 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 21:39:23,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 21:39:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 21:39:23,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:39:23,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 21:39:23,493 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1726 transitions and produced 974 states. [2022-02-19 21:39:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 21:39:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 21:39:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 21:39:23,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 21:39:23,494 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-19 21:39:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 21:39:23,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1945059970, now seen corresponding path program 1 times [2022-02-19 21:39:23,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 21:39:23,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165139061] [2022-02-19 21:39:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 21:39:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 21:39:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:39:23,509 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 21:39:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 21:39:23,534 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 21:39:23,534 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 21:39:23,535 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-02-19 21:39:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-02-19 21:39:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-02-19 21:39:23,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-02-19 21:39:23,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-02-19 21:39:23,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 21:39:23,541 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-19 21:39:23,545 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 21:39:23,545 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 21:39:23,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:39:23 BasicIcfg [2022-02-19 21:39:23,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 21:39:23,566 INFO L158 Benchmark]: Toolchain (without parser) took 2270.28ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 154.7MB in the beginning and 103.2MB in the end (delta: 51.5MB). Peak memory consumption was 93.9MB. Max. memory is 8.0GB. [2022-02-19 21:39:23,566 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 207.6MB. Free memory was 172.5MB in the beginning and 172.5MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 21:39:23,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.11ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 154.5MB in the beginning and 209.9MB in the end (delta: -55.5MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-19 21:39:23,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.45ms. Allocated memory is still 249.6MB. Free memory was 209.4MB in the beginning and 207.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 21:39:23,567 INFO L158 Benchmark]: Boogie Preprocessor took 18.22ms. Allocated memory is still 249.6MB. Free memory was 207.3MB in the beginning and 205.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 21:39:23,568 INFO L158 Benchmark]: RCFGBuilder took 367.74ms. Allocated memory is still 249.6MB. Free memory was 205.7MB in the beginning and 192.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-19 21:39:23,568 INFO L158 Benchmark]: TraceAbstraction took 1318.61ms. Allocated memory is still 249.6MB. Free memory was 192.1MB in the beginning and 103.2MB in the end (delta: 88.9MB). Peak memory consumption was 90.0MB. Max. memory is 8.0GB. [2022-02-19 21:39:23,570 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 207.6MB. Free memory was 172.5MB in the beginning and 172.5MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 518.11ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 154.5MB in the beginning and 209.9MB in the end (delta: -55.5MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.45ms. Allocated memory is still 249.6MB. Free memory was 209.4MB in the beginning and 207.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.22ms. Allocated memory is still 249.6MB. Free memory was 207.3MB in the beginning and 205.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 367.74ms. Allocated memory is still 249.6MB. Free memory was 205.7MB in the beginning and 192.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1318.61ms. Allocated memory is still 249.6MB. Free memory was 192.1MB in the beginning and 103.2MB in the end (delta: 88.9MB). Peak memory consumption was 90.0MB. 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: 932]: Data race detected Data race detected The following path leads to a data race: [L919] 0 int (*fp)() = f1; VAL [={-1:0}] [L920] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, mutex1={1:0}] [L921] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, mutex1={1:0}, mutex2={2:0}] [L929] 0 pthread_t id; VAL [={-1:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L924] 1 fp = f2 VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, mutex1={1:0}, mutex2={2:0}] [L932] 0 fp() VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, id={3:0}, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~fp~0 between C: fp = f2 [924] and C: fp() [932] - 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: 930]: 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: 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, 106 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, 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: 17, 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, 0.4s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-19 21:39:23,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 21:39:23,845 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...