./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:59:33,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:59:33,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:59:33,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:59:33,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:59:33,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:59:33,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:59:33,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:59:33,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:59:33,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:59:33,518 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:59:33,518 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:59:33,518 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:59:33,519 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:59:33,520 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:59:33,520 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:59:33,521 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:59:33,521 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:59:33,521 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:59:33,521 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:59:33,522 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:59:33,522 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:59:33,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:59:33,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:59:33,524 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:59:33,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:59:33,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:59:33,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:59:33,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:59:33,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:59:33,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:59:33,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:59:33,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:59:33,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:59:33,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:59:33,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:59:33,525 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:59:33,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:59:33,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:59:33,526 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:59:33,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:59:33,526 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2024-11-14 04:59:33,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:59:33,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:59:33,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:59:33,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:59:33,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:59:33,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i Unable to find full path for "g++" [2024-11-14 04:59:35,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:59:36,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:59:36,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-14 04:59:36,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/data/76e1a7db4/d37d612a491d4c209f014e26a84aea52/FLAG653812879 [2024-11-14 04:59:36,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/data/76e1a7db4/d37d612a491d4c209f014e26a84aea52 [2024-11-14 04:59:36,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:59:36,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:59:36,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:59:36,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:59:36,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:59:36,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:36,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330f55db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36, skipping insertion in model container [2024-11-14 04:59:36,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:36,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:59:36,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:59:36,860 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:59:36,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:59:36,971 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:59:36,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36 WrapperNode [2024-11-14 04:59:36,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:59:36,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:59:36,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:59:36,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:59:36,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,037 INFO L138 Inliner]: procedures = 174, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-11-14 04:59:37,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:59:37,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:59:37,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:59:37,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:59:37,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:59:37,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:59:37,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:59:37,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:59:37,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (1/1) ... [2024-11-14 04:59:37,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:59:37,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:59:37,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:59:37,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:59:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:59:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:59:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:59:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:59:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:59:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 04:59:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 04:59:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:59:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:59:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:59:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:59:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:59:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:59:37,167 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:59:37,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:59:37,349 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:59:37,772 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:59:37,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:59:37,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:59:37,813 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-14 04:59:37,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:37 BoogieIcfgContainer [2024-11-14 04:59:37,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:59:37,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:59:37,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:59:37,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:59:37,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:59:36" (1/3) ... [2024-11-14 04:59:37,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad983b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:59:37, skipping insertion in model container [2024-11-14 04:59:37,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:59:36" (2/3) ... [2024-11-14 04:59:37,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad983b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:59:37, skipping insertion in model container [2024-11-14 04:59:37,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:37" (3/3) ... [2024-11-14 04:59:37,825 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-11-14 04:59:37,841 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:59:37,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_45-escape_racing.i that has 2 procedures, 142 locations, 1 initial locations, 4 loop locations, and 5 error locations. [2024-11-14 04:59:37,844 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:59:37,973 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-14 04:59:38,008 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 151 transitions, 309 flow [2024-11-14 04:59:38,152 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1859 states, 1850 states have (on average 2.1605405405405405) internal successors, (3997), 1858 states have internal predecessors, (3997), 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) [2024-11-14 04:59:38,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:59:38,188 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@43cbac44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:59:38,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-14 04:59:38,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 1859 states, 1850 states have (on average 2.1605405405405405) internal successors, (3997), 1858 states have internal predecessors, (3997), 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) [2024-11-14 04:59:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-14 04:59:38,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:38,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:38,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 04:59:38,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:38,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1811887866, now seen corresponding path program 1 times [2024-11-14 04:59:38,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:38,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079835138] [2024-11-14 04:59:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:59:39,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:39,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079835138] [2024-11-14 04:59:39,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079835138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:39,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:39,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:59:39,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999706199] [2024-11-14 04:59:39,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:39,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:59:39,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:39,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:59:39,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:39,490 INFO L87 Difference]: Start difference. First operand has 1859 states, 1850 states have (on average 2.1605405405405405) internal successors, (3997), 1858 states have internal predecessors, (3997), 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) Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:59:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:40,561 INFO L93 Difference]: Finished difference Result 4326 states and 9444 transitions. [2024-11-14 04:59:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:59:40,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-14 04:59:40,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:40,589 INFO L225 Difference]: With dead ends: 4326 [2024-11-14 04:59:40,590 INFO L226 Difference]: Without dead ends: 2030 [2024-11-14 04:59:40,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:40,601 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 184 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:40,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 626 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 04:59:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2024-11-14 04:59:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 1566. [2024-11-14 04:59:40,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1554 states have (on average 1.9272844272844274) internal successors, (2995), 1565 states have internal predecessors, (2995), 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) [2024-11-14 04:59:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2995 transitions. [2024-11-14 04:59:40,744 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2995 transitions. Word has length 57 [2024-11-14 04:59:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:40,745 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2995 transitions. [2024-11-14 04:59:40,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:59:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2995 transitions. [2024-11-14 04:59:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 04:59:40,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:40,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:40,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:59:40,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 04:59:40,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:40,749 INFO L85 PathProgramCache]: Analyzing trace with hash -987945673, now seen corresponding path program 1 times [2024-11-14 04:59:40,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:40,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793280121] [2024-11-14 04:59:40,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:40,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:59:41,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:41,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793280121] [2024-11-14 04:59:41,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793280121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:41,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:41,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:59:41,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781968975] [2024-11-14 04:59:41,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:41,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:59:41,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:41,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:59:41,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:41,250 INFO L87 Difference]: Start difference. First operand 1566 states and 2995 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-11-14 04:59:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:41,635 INFO L93 Difference]: Finished difference Result 1566 states and 2995 transitions. [2024-11-14 04:59:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:59:41,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) Word has length 58 [2024-11-14 04:59:41,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:41,648 INFO L225 Difference]: With dead ends: 1566 [2024-11-14 04:59:41,648 INFO L226 Difference]: Without dead ends: 1505 [2024-11-14 04:59:41,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:41,650 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 104 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:41,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 529 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:59:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2024-11-14 04:59:41,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1505. [2024-11-14 04:59:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1498 states have (on average 1.9192256341789051) internal successors, (2875), 1504 states have internal predecessors, (2875), 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) [2024-11-14 04:59:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2875 transitions. [2024-11-14 04:59:41,736 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2875 transitions. Word has length 58 [2024-11-14 04:59:41,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:41,736 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 2875 transitions. [2024-11-14 04:59:41,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-11-14 04:59:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2875 transitions. [2024-11-14 04:59:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 04:59:41,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:41,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:41,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:59:41,740 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 04:59:41,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:41,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1742715328, now seen corresponding path program 1 times [2024-11-14 04:59:41,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:41,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361003696] [2024-11-14 04:59:41,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:41,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:59:42,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361003696] [2024-11-14 04:59:42,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361003696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:42,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:42,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:59:42,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145872168] [2024-11-14 04:59:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:42,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:59:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:42,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:59:42,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:42,203 INFO L87 Difference]: Start difference. First operand 1505 states and 2875 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-14 04:59:42,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:42,596 INFO L93 Difference]: Finished difference Result 1685 states and 3223 transitions. [2024-11-14 04:59:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:59:42,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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) Word has length 66 [2024-11-14 04:59:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:42,609 INFO L225 Difference]: With dead ends: 1685 [2024-11-14 04:59:42,609 INFO L226 Difference]: Without dead ends: 1652 [2024-11-14 04:59:42,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:42,611 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 99 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:42,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 524 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:59:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-11-14 04:59:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1580. [2024-11-14 04:59:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1573 states have (on average 1.9205340114431024) internal successors, (3021), 1579 states have internal predecessors, (3021), 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) [2024-11-14 04:59:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 3021 transitions. [2024-11-14 04:59:42,696 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 3021 transitions. Word has length 66 [2024-11-14 04:59:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:42,697 INFO L471 AbstractCegarLoop]: Abstraction has 1580 states and 3021 transitions. [2024-11-14 04:59:42,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-14 04:59:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 3021 transitions. [2024-11-14 04:59:42,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-14 04:59:42,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:42,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:42,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:59:42,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 04:59:42,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:42,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2691906, now seen corresponding path program 1 times [2024-11-14 04:59:42,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:42,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669870263] [2024-11-14 04:59:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:42,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:59:42,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:42,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669870263] [2024-11-14 04:59:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669870263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:42,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:42,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:59:42,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261480535] [2024-11-14 04:59:42,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:42,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:59:42,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:42,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:59:42,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:42,967 INFO L87 Difference]: Start difference. First operand 1580 states and 3021 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:59:43,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:43,126 INFO L93 Difference]: Finished difference Result 1894 states and 3569 transitions. [2024-11-14 04:59:43,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:59:43,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-14 04:59:43,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:43,137 INFO L225 Difference]: With dead ends: 1894 [2024-11-14 04:59:43,137 INFO L226 Difference]: Without dead ends: 690 [2024-11-14 04:59:43,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:59:43,143 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 348 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:43,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 189 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:59:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-14 04:59:43,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 620. [2024-11-14 04:59:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 618 states have (on average 1.7411003236245954) internal successors, (1076), 619 states have internal predecessors, (1076), 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) [2024-11-14 04:59:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 1076 transitions. [2024-11-14 04:59:43,195 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 1076 transitions. Word has length 74 [2024-11-14 04:59:43,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:43,195 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 1076 transitions. [2024-11-14 04:59:43,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:59:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1076 transitions. [2024-11-14 04:59:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-14 04:59:43,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:43,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:59:43,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:59:43,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 04:59:43,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:43,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2119085181, now seen corresponding path program 1 times [2024-11-14 04:59:43,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:43,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974921585] [2024-11-14 04:59:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:43,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:59:43,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:43,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974921585] [2024-11-14 04:59:43,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974921585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:43,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:43,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:59:43,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671379810] [2024-11-14 04:59:43,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:43,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:59:43,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:43,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:59:43,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:43,861 INFO L87 Difference]: Start difference. First operand 620 states and 1076 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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) [2024-11-14 04:59:43,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:43,999 INFO L93 Difference]: Finished difference Result 620 states and 1076 transitions. [2024-11-14 04:59:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:59:44,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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) Word has length 88 [2024-11-14 04:59:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:44,005 INFO L225 Difference]: With dead ends: 620 [2024-11-14 04:59:44,005 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:59:44,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:44,008 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 32 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:44,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 219 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:59:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:59:44,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:59:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-14 04:59:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:59:44,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2024-11-14 04:59:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:44,016 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:59:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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) [2024-11-14 04:59:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:59:44,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:59:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-14 04:59:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-11-14 04:59:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-14 04:59:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-14 04:59:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-14 04:59:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-14 04:59:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-14 04:59:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-14 04:59:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-14 04:59:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-14 04:59:44,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:59:44,026 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-14 04:59:44,033 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 04:59:44,033 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:59:44,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:59:44 BasicIcfg [2024-11-14 04:59:44,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:59:44,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:59:44,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:59:44,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:59:44,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:59:37" (3/4) ... [2024-11-14 04:59:44,045 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:59:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-14 04:59:44,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 04:59:44,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:59:44,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 04:59:44,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:59:44,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:59:44,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:59:44,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:59:44,150 INFO L158 Benchmark]: Toolchain (without parser) took 7747.89ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 91.2MB in the beginning and 88.5MB in the end (delta: 2.8MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-14 04:59:44,150 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:59:44,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.19ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 69.9MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:59:44,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.28ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:59:44,154 INFO L158 Benchmark]: Boogie Preprocessor took 51.01ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:59:44,154 INFO L158 Benchmark]: RCFGBuilder took 721.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 46.1MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:59:44,154 INFO L158 Benchmark]: TraceAbstraction took 6223.13ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 45.4MB in the beginning and 94.5MB in the end (delta: -49.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-14 04:59:44,154 INFO L158 Benchmark]: Witness Printer took 107.63ms. Allocated memory is still 184.5MB. Free memory was 94.5MB in the beginning and 88.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:59:44,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.19ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 69.9MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.28ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.01ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 721.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 46.1MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6223.13ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 45.4MB in the beginning and 94.5MB in the end (delta: -49.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 107.63ms. Allocated memory is still 184.5MB. Free memory was 94.5MB in the beginning and 88.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 202 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 767 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 767 mSDsluCounter, 2087 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1271 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1098 IncrementalHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 816 mSDtfsCounter, 1098 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1859occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 606 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 04:59:44,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98466b87-1ec3-451b-92ac-ac5882dcd625/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE