/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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:47:00,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:47:00,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:47:00,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:47:00,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:47:00,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:47:00,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:47:00,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:47:00,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:47:00,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:47:00,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:47:00,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:47:00,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:47:00,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:47:00,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:47:00,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:47:00,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:47:00,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:47:00,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:47:00,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:47:00,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:47:00,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:47:00,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:47:00,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:47:00,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:47:00,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:47:00,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:47:00,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:47:00,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:47:00,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:47:00,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:47:00,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:47:00,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:47:00,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:47:00,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:47:00,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:47:00,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:47:00,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:47:00,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:47:00,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:47:00,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:47:00,984 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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:47:01,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:47:01,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:47:01,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:47:01,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:47:01,015 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:47:01,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:47:01,016 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:47:01,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:47:01,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:47:01,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:47:01,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:47:01,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:47:01,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:47:01,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:47:01,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:01,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:47:01,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:47:01,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:47:01,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:47:01,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:47:01,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:47:01,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:47:01,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:47:01,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:47:01,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:47:01,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:47:01,344 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:47:01,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2022-12-06 06:47:02,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:47:02,600 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:47:02,600 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2022-12-06 06:47:02,624 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc6c9ca2/6f4b5968f43243f88ab7b489d310fd84/FLAGe65f70e1e [2022-12-06 06:47:02,651 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc6c9ca2/6f4b5968f43243f88ab7b489d310fd84 [2022-12-06 06:47:02,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:47:02,655 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:47:02,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:02,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:47:02,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:47:02,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:02" (1/1) ... [2022-12-06 06:47:02,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d835124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:02, skipping insertion in model container [2022-12-06 06:47:02,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:02" (1/1) ... [2022-12-06 06:47:02,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:47:02,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:47:03,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i[76153,76166] [2022-12-06 06:47:03,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:03,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:03,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:03,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:03,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:03,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:03,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:03,300 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:47:03,353 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i[76153,76166] [2022-12-06 06:47:03,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:03,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:03,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:03,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:03,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:03,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:03,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:03,458 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:47:03,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03 WrapperNode [2022-12-06 06:47:03,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:03,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:03,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:47:03,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:47:03,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,496 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2022-12-06 06:47:03,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:03,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:47:03,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:47:03,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:47:03,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:47:03,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:47:03,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:47:03,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:47:03,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (1/1) ... [2022-12-06 06:47:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:03,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:47:03,563 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) [2022-12-06 06:47:03,566 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 [2022-12-06 06:47:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:47:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:47:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 06:47:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 06:47:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:47:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:47:03,599 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:47:03,854 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:47:03,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:47:04,062 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:47:04,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:47:04,082 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:47:04,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:04 BoogieIcfgContainer [2022-12-06 06:47:04,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:47:04,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:47:04,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:47:04,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:47:04,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:47:02" (1/3) ... [2022-12-06 06:47:04,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cf8ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:04, skipping insertion in model container [2022-12-06 06:47:04,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:03" (2/3) ... [2022-12-06 06:47:04,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cf8ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:04, skipping insertion in model container [2022-12-06 06:47:04,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:04" (3/3) ... [2022-12-06 06:47:04,091 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2022-12-06 06:47:04,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:47:04,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-06 06:47:04,105 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:47:04,154 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 06:47:04,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 94 transitions, 196 flow [2022-12-06 06:47:04,232 INFO L130 PetriNetUnfolder]: 4/108 cut-off events. [2022-12-06 06:47:04,232 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:47:04,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 108 events. 4/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 149 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 65. Up to 3 conditions per place. [2022-12-06 06:47:04,235 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 94 transitions, 196 flow [2022-12-06 06:47:04,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 81 transitions, 168 flow [2022-12-06 06:47:04,239 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:47:04,257 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 81 transitions, 168 flow [2022-12-06 06:47:04,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 168 flow [2022-12-06 06:47:04,284 INFO L130 PetriNetUnfolder]: 2/91 cut-off events. [2022-12-06 06:47:04,284 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:47:04,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 2/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-12-06 06:47:04,287 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 81 transitions, 168 flow [2022-12-06 06:47:04,287 INFO L188 LiptonReduction]: Number of co-enabled transitions 182 [2022-12-06 06:47:05,987 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:05,988 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:05,992 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:05,993 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:06,699 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:06,700 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:06,702 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:06,702 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:07,218 INFO L203 LiptonReduction]: Total number of compositions: 70 [2022-12-06 06:47:07,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:47:07,232 INFO L357 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=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@114a9796, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:47:07,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 06:47:07,233 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 06:47:07,233 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:47:07,233 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:47:07,233 INFO L213 CegarLoopForPetriNet]: trace histogram [1] [2022-12-06 06:47:07,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-06 06:47:07,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:47:07,236 INFO L85 PathProgramCache]: Analyzing trace with hash 349, now seen corresponding path program 1 times [2022-12-06 06:47:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:47:07,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338966942] [2022-12-06 06:47:07,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:47:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:47:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:47:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:47:07,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:47:07,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338966942] [2022-12-06 06:47:07,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338966942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:47:07,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:47:07,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-06 06:47:07,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042488677] [2022-12-06 06:47:07,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:47:07,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:47:07,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:47:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:47:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:47:07,460 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 13 [2022-12-06 06:47:07,461 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 13 transitions, 32 flow. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-06 06:47:07,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:47:07,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 13 [2022-12-06 06:47:07,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:47:07,484 INFO L130 PetriNetUnfolder]: 3/14 cut-off events. [2022-12-06 06:47:07,485 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:47:07,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 14 events. 3/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 20 event pairs, 3 based on Foata normal form. 1/13 useless extension candidates. Maximal degree in co-relation 21. Up to 14 conditions per place. [2022-12-06 06:47:07,486 INFO L137 encePairwiseOnDemand]: 9/13 looper letters, 5 selfloop transitions, 0 changer transitions 2/8 dead transitions. [2022-12-06 06:47:07,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 8 transitions, 36 flow [2022-12-06 06:47:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:47:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:47:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-12-06 06:47:07,495 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:47:07,496 INFO L175 Difference]: Start difference. First operand has 16 places, 13 transitions, 32 flow. Second operand 2 states and 13 transitions. [2022-12-06 06:47:07,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 8 transitions, 36 flow [2022-12-06 06:47:07,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 8 transitions, 32 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:47:07,498 INFO L231 Difference]: Finished difference. Result has 11 places, 6 transitions, 13 flow [2022-12-06 06:47:07,500 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=13, PETRI_PLACES=11, PETRI_TRANSITIONS=6} [2022-12-06 06:47:07,504 INFO L294 CegarLoopForPetriNet]: 16 programPoint places, -5 predicate places. [2022-12-06 06:47:07,504 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:47:07,505 INFO L89 Accepts]: Start accepts. Operand has 11 places, 6 transitions, 13 flow [2022-12-06 06:47:07,506 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:47:07,507 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:47:07,507 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 11 places, 6 transitions, 13 flow [2022-12-06 06:47:07,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 8 places, 6 transitions, 13 flow [2022-12-06 06:47:07,519 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-06 06:47:07,519 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:47:07,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8 conditions, 6 events. 0/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 5 event pairs, 0 based on Foata normal form. 0/5 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 06:47:07,521 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 8 places, 6 transitions, 13 flow [2022-12-06 06:47:07,521 INFO L188 LiptonReduction]: Number of co-enabled transitions 8 [2022-12-06 06:47:07,531 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:47:07,537 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 33 [2022-12-06 06:47:07,538 INFO L495 AbstractCegarLoop]: Abstraction has has 8 places, 6 transitions, 13 flow [2022-12-06 06:47:07,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-06 06:47:07,538 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:47:07,538 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 06:47:07,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:47:07,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-06 06:47:07,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:47:07,539 INFO L85 PathProgramCache]: Analyzing trace with hash 11030101, now seen corresponding path program 1 times [2022-12-06 06:47:07,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:47:07,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114658752] [2022-12-06 06:47:07,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:47:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:47:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:47:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:47:07,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:47:07,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114658752] [2022-12-06 06:47:07,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114658752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:47:07,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:47:07,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:47:07,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266121467] [2022-12-06 06:47:07,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:47:07,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:47:07,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:47:07,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:47:07,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:47:07,755 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 6 [2022-12-06 06:47:07,755 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 8 places, 6 transitions, 13 flow. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-06 06:47:07,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:47:07,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 6 [2022-12-06 06:47:07,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:47:07,768 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-06 06:47:07,768 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:47:07,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 8 events. 0/8 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 6 event pairs, 0 based on Foata normal form. 2/10 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2022-12-06 06:47:07,769 INFO L137 encePairwiseOnDemand]: 3/6 looper letters, 3 selfloop transitions, 2 changer transitions 2/7 dead transitions. [2022-12-06 06:47:07,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 7 transitions, 27 flow [2022-12-06 06:47:07,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:47:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:47:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-12-06 06:47:07,770 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-06 06:47:07,770 INFO L175 Difference]: Start difference. First operand has 8 places, 6 transitions, 13 flow. Second operand 3 states and 10 transitions. [2022-12-06 06:47:07,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 7 transitions, 27 flow [2022-12-06 06:47:07,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 7 transitions, 27 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:47:07,771 INFO L231 Difference]: Finished difference. Result has 11 places, 5 transitions, 19 flow [2022-12-06 06:47:07,771 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=6, PETRI_DIFFERENCE_MINUEND_FLOW=13, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=19, PETRI_PLACES=11, PETRI_TRANSITIONS=5} [2022-12-06 06:47:07,772 INFO L294 CegarLoopForPetriNet]: 16 programPoint places, -5 predicate places. [2022-12-06 06:47:07,772 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:47:07,772 INFO L89 Accepts]: Start accepts. Operand has 11 places, 5 transitions, 19 flow [2022-12-06 06:47:07,772 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:47:07,772 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:47:07,773 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 11 places, 5 transitions, 19 flow [2022-12-06 06:47:07,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 10 places, 5 transitions, 19 flow [2022-12-06 06:47:07,776 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-06 06:47:07,776 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:47:07,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 5 events. 0/5 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/5 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:47:07,776 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 10 places, 5 transitions, 19 flow [2022-12-06 06:47:07,776 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 06:47:07,780 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [326] L1712-4-->L1724: Formula: (and (= 0 |v_ULTIMATE.start_module_init_#res#1_45|) (= (store |v_#valid_53| |v_ULTIMATE.start_module_exit_~#status~0#1.base_26| 1) |v_#valid_52|) (= v_~pdev~0_93 4) (= |v_#length_47| (store |v_#length_48| |v_ULTIMATE.start_module_exit_~#status~0#1.base_26| 4)) (= |v_ULTIMATE.start_module_exit_~#status~0#1.offset_26| 0) (not (= |v_ULTIMATE.start_module_exit_~#status~0#1.base_26| 0)) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_module_exit_~#status~0#1.base_26|) (= (select |v_#valid_53| |v_ULTIMATE.start_module_exit_~#status~0#1.base_26|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_27|, #valid=|v_#valid_53|, #length=|v_#length_48|} OutVars{ULTIMATE.start_module_exit_#t~nondet36#1.base=|v_ULTIMATE.start_module_exit_#t~nondet36#1.base_28|, ULTIMATE.start_module_init_#t~pre33#1=|v_ULTIMATE.start_module_init_#t~pre33#1_35|, ULTIMATE.start_main_#t~ret37#1=|v_ULTIMATE.start_main_#t~ret37#1_72|, ULTIMATE.start_module_exit_~#status~0#1.base=|v_ULTIMATE.start_module_exit_~#status~0#1.base_26|, ULTIMATE.start_module_exit_~#status~0#1.offset=|v_ULTIMATE.start_module_exit_~#status~0#1.offset_26|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, ULTIMATE.start_module_exit_#t~mem35#1=|v_ULTIMATE.start_module_exit_#t~mem35#1_28|, ~pdev~0=v_~pdev~0_93, #valid=|v_#valid_52|, ULTIMATE.start_module_exit_#t~nondet36#1.offset=|v_ULTIMATE.start_module_exit_#t~nondet36#1.offset_28|, ULTIMATE.start_module_init_#t~nondet34#1=|v_ULTIMATE.start_module_init_#t~nondet34#1_25|, #length=|v_#length_47|, ULTIMATE.start_module_init_#res#1=|v_ULTIMATE.start_module_init_#res#1_45|} AuxVars[] AssignedVars[ULTIMATE.start_module_exit_#t~mem35#1, ULTIMATE.start_module_exit_#t~nondet36#1.base, ~pdev~0, ULTIMATE.start_module_init_#t~pre33#1, #valid, ULTIMATE.start_main_#t~ret37#1, ULTIMATE.start_module_exit_#t~nondet36#1.offset, ULTIMATE.start_module_init_#t~nondet34#1, ULTIMATE.start_module_exit_~#status~0#1.base, #length, ULTIMATE.start_module_exit_~#status~0#1.offset, ULTIMATE.start_module_init_#res#1] and [327] $Ultimate##0-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_70| |v_~#mutex~0.base_56|))) (and (= (select .cse0 |v_~#mutex~0.offset_56|) 0) (= 6 v_~pdev~0_95) (= |v_#pthreadsMutex_69| (store |v_#pthreadsMutex_70| |v_~#mutex~0.base_56| (store .cse0 |v_~#mutex~0.offset_56| 0))) (= |v_thread1Thread1of1ForFork0_#res.offset_13| 0) (= |v_thread1Thread1of1ForFork0_#in~arg.base_5| v_thread1Thread1of1ForFork0_~arg.base_5) (= |v_thread1Thread1of1ForFork0_#res.base_13| 0) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_5| v_thread1Thread1of1ForFork0_~arg.offset_5))) InVars {#pthreadsMutex=|v_#pthreadsMutex_70|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, ~#mutex~0.base=|v_~#mutex~0.base_56|, ~#mutex~0.offset=|v_~#mutex~0.offset_56|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_69|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_13|, ~#mutex~0.base=|v_~#mutex~0.base_56|, ~pdev~0=v_~pdev~0_95, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_5, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_5, ~#mutex~0.offset=|v_~#mutex~0.offset_56|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_13|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, thread1Thread1of1ForFork0_#t~nondet31=|v_thread1Thread1of1ForFork0_#t~nondet31_21|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#t~nondet31] [2022-12-06 06:47:07,867 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [334] L1712-4-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_98| |v_~#mutex~0.base_70|))) (and (= 6 v_~pdev~0_120) (not (= |v_ULTIMATE.start_module_exit_~#status~0#1.base_38| 0)) (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#mutex~0.base_70| (store .cse0 |v_~#mutex~0.offset_70| 0))) (= (store |v_#length_66| |v_ULTIMATE.start_module_exit_~#status~0#1.base_38| 4) |v_#length_65|) (= (select |v_#valid_71| |v_ULTIMATE.start_module_exit_~#status~0#1.base_38|) 0) (= |v_thread1Thread1of1ForFork0_#res.base_21| 0) (= |v_thread1Thread1of1ForFork0_#res.offset_21| 0) (= |v_ULTIMATE.start_module_exit_~#status~0#1.offset_38| 0) (< |v_#StackHeapBarrier_39| |v_ULTIMATE.start_module_exit_~#status~0#1.base_38|) (= (store |v_#valid_71| |v_ULTIMATE.start_module_exit_~#status~0#1.base_38| 1) |v_#valid_70|) (= 0 |v_ULTIMATE.start_module_init_#res#1_57|) (= |v_thread1Thread1of1ForFork0_#in~arg.base_13| v_thread1Thread1of1ForFork0_~arg.base_13) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_13| v_thread1Thread1of1ForFork0_~arg.offset_13) (= 0 (select .cse0 |v_~#mutex~0.offset_70|)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, #StackHeapBarrier=|v_#StackHeapBarrier_39|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_13|, ~#mutex~0.base=|v_~#mutex~0.base_70|, #valid=|v_#valid_71|, ~#mutex~0.offset=|v_~#mutex~0.offset_70|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_13|, #length=|v_#length_66|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_13|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_21|, ~#mutex~0.base=|v_~#mutex~0.base_70|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_13, ULTIMATE.start_module_exit_#t~nondet36#1.base=|v_ULTIMATE.start_module_exit_#t~nondet36#1.base_38|, ULTIMATE.start_module_init_#t~pre33#1=|v_ULTIMATE.start_module_init_#t~pre33#1_47|, ~#mutex~0.offset=|v_~#mutex~0.offset_70|, ULTIMATE.start_main_#t~ret37#1=|v_ULTIMATE.start_main_#t~ret37#1_84|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_21|, ULTIMATE.start_module_exit_~#status~0#1.base=|v_ULTIMATE.start_module_exit_~#status~0#1.base_38|, ULTIMATE.start_module_exit_~#status~0#1.offset=|v_ULTIMATE.start_module_exit_~#status~0#1.offset_38|, #StackHeapBarrier=|v_#StackHeapBarrier_39|, ULTIMATE.start_module_exit_#t~mem35#1=|v_ULTIMATE.start_module_exit_#t~mem35#1_36|, ~pdev~0=v_~pdev~0_120, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_13, #valid=|v_#valid_70|, ULTIMATE.start_module_exit_#t~nondet36#1.offset=|v_ULTIMATE.start_module_exit_#t~nondet36#1.offset_38|, ULTIMATE.start_module_init_#t~nondet34#1=|v_ULTIMATE.start_module_init_#t~nondet34#1_35|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_13|, #length=|v_#length_65|, thread1Thread1of1ForFork0_#t~nondet31=|v_thread1Thread1of1ForFork0_#t~nondet31_29|, ULTIMATE.start_module_init_#res#1=|v_ULTIMATE.start_module_init_#res#1_57|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, ULTIMATE.start_module_exit_#t~nondet36#1.base, ULTIMATE.start_module_init_#t~pre33#1, ULTIMATE.start_main_#t~ret37#1, thread1Thread1of1ForFork0_#res.offset, ULTIMATE.start_module_exit_~#status~0#1.base, ULTIMATE.start_module_exit_~#status~0#1.offset, ULTIMATE.start_module_exit_#t~mem35#1, ~pdev~0, thread1Thread1of1ForFork0_~arg.base, #valid, ULTIMATE.start_module_exit_#t~nondet36#1.offset, ULTIMATE.start_module_init_#t~nondet34#1, #length, thread1Thread1of1ForFork0_#t~nondet31, ULTIMATE.start_module_init_#res#1] and [208] L1724-->ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_ULTIMATE.start_ldv_assert_~expression#1_29| 0) (= |v_ULTIMATE.start_ldv_assert_~expression#1_29| |v_ULTIMATE.start_ldv_assert_#in~expression#1_13|) (= (ite (= v_~pdev~0_13 4) 1 0) |v_ULTIMATE.start_ldv_assert_#in~expression#1_13|)) InVars {~pdev~0=v_~pdev~0_13} OutVars{ULTIMATE.start_ldv_assert_~expression#1=|v_ULTIMATE.start_ldv_assert_~expression#1_29|, ~pdev~0=v_~pdev~0_13, ULTIMATE.start_ldv_assert_#in~expression#1=|v_ULTIMATE.start_ldv_assert_#in~expression#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression#1, ULTIMATE.start_ldv_assert_#in~expression#1] [2022-12-06 06:47:08,001 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:47:08,002 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 230 [2022-12-06 06:47:08,003 INFO L495 AbstractCegarLoop]: Abstraction has has 8 places, 3 transitions, 13 flow [2022-12-06 06:47:08,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-06 06:47:08,003 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:47:08,003 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 06:47:08,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:47:08,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-06 06:47:08,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:47:08,004 INFO L85 PathProgramCache]: Analyzing trace with hash 355812, now seen corresponding path program 1 times [2022-12-06 06:47:08,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:47:08,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89771440] [2022-12-06 06:47:08,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:47:08,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:47:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:47:08,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 06:47:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:47:08,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 06:47:08,083 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 06:47:08,083 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 06:47:08,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 06:47:08,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-12-06 06:47:08,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-12-06 06:47:08,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-06 06:47:08,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:47:08,085 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 06:47:08,090 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:47:08,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:47:08,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:47:08 BasicIcfg [2022-12-06 06:47:08,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:47:08,111 INFO L158 Benchmark]: Toolchain (without parser) took 5454.33ms. Allocated memory was 216.0MB in the beginning and 304.1MB in the end (delta: 88.1MB). Free memory was 189.8MB in the beginning and 185.7MB in the end (delta: 4.1MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. [2022-12-06 06:47:08,113 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 216.0MB. Free memory is still 192.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:47:08,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.37ms. Allocated memory is still 216.0MB. Free memory was 189.4MB in the beginning and 133.3MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-12-06 06:47:08,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 216.0MB. Free memory was 133.3MB in the beginning and 130.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:47:08,115 INFO L158 Benchmark]: Boogie Preprocessor took 24.99ms. Allocated memory is still 216.0MB. Free memory was 130.2MB in the beginning and 127.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:47:08,116 INFO L158 Benchmark]: RCFGBuilder took 560.58ms. Allocated memory is still 216.0MB. Free memory was 127.6MB in the beginning and 187.6MB in the end (delta: -60.0MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB. [2022-12-06 06:47:08,117 INFO L158 Benchmark]: TraceAbstraction took 4023.25ms. Allocated memory was 216.0MB in the beginning and 304.1MB in the end (delta: 88.1MB). Free memory was 187.1MB in the beginning and 185.7MB in the end (delta: 1.4MB). Peak memory consumption was 89.4MB. Max. memory is 8.0GB. [2022-12-06 06:47:08,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 216.0MB. Free memory is still 192.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 803.37ms. Allocated memory is still 216.0MB. Free memory was 189.4MB in the beginning and 133.3MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 216.0MB. Free memory was 133.3MB in the beginning and 130.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.99ms. Allocated memory is still 216.0MB. Free memory was 130.2MB in the beginning and 127.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 560.58ms. Allocated memory is still 216.0MB. Free memory was 127.6MB in the beginning and 187.6MB in the end (delta: -60.0MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB. * TraceAbstraction took 4023.25ms. Allocated memory was 216.0MB in the beginning and 304.1MB in the end (delta: 88.1MB). Free memory was 187.1MB in the beginning and 185.7MB in the end (delta: 1.4MB). Peak memory consumption was 89.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 82 PlacesBefore, 16 PlacesAfterwards, 81 TransitionsBefore, 13 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 52 TrivialYvCompositions, 16 ConcurrentYvCompositions, 2 ChoiceCompositions, 70 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 110, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 117, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 107, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 107, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 107, unknown conditional: 0, unknown unconditional: 107] , Statistics on independence cache: Total cache size (in pairs): 175, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 8 PlacesBefore, 8 PlacesAfterwards, 6 TransitionsBefore, 6 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 10 PlacesBefore, 8 PlacesAfterwards, 5 TransitionsBefore, 3 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; [L1697] 0 pthread_mutex_t mutex; [L1698] 0 int pdev; [L1734] CALL, EXPR 0 module_init() [L1709] 0 pdev = 1 [L1710] CALL 0 ldv_assert(pdev==1) [L1695] COND FALSE 0 !(!expression) [L1710] RET 0 ldv_assert(pdev==1) [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1713] 0 return 0; [L1734] RET, EXPR 0 module_init() [L1734] COND FALSE 0 !(module_init()!=0) [L1735] CALL 0 module_exit() [L1721] 0 void *status; [L1723] 0 pdev = 4 [L1702] 0 pdev = 6 [L1705] 0 return 0; [L1726] CALL 0 ldv_assert(pdev==4) [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, arg={0:0}, arg={0:0}, expression=0, mutex={4:0}, pdev=6, t1={3:0}] - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1712]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! [2022-12-06 06:47:08,140 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...