./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.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_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/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_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/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_e937b22f-973d-45fa-8b86-2b10493a0444/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 4d853145e48ada6aa212af657ef21b1dd6bc82cb156511f71c23f87b45f2510e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:38:35,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:38:35,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 03:38:35,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:38:35,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:38:35,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:38:35,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:38:35,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:38:35,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:38:35,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:38:35,432 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:38:35,432 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:38:35,432 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:38:35,433 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:38:35,433 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:38:35,433 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:38:35,433 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:38:35,433 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:38:35,433 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:38:35,433 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:38:35,434 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:38:35,434 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:38:35,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:38:35,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:38:35,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 03:38:35,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:38:35,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:38:35,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:38:35,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:38:35,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:38:35,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:38:35,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:38:35,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:38:35,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:38:35,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:38:35,440 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_e937b22f-973d-45fa-8b86-2b10493a0444/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 -> 4d853145e48ada6aa212af657ef21b1dd6bc82cb156511f71c23f87b45f2510e [2024-11-14 03:38:35,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:38:35,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:38:35,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:38:35,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:38:35,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:38:35,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.i Unable to find full path for "g++" [2024-11-14 03:38:38,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:38:38,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:38:38,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/sv-benchmarks/c/goblint-regression/06-symbeq_04-funloop_hard1.i [2024-11-14 03:38:38,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/data/951dea37a/5230a2aedadd46509c34ed655c7222a3/FLAG89b260d7c [2024-11-14 03:38:38,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/data/951dea37a/5230a2aedadd46509c34ed655c7222a3 [2024-11-14 03:38:38,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:38:38,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:38:38,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:38:38,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:38:38,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:38:38,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:38:38" (1/1) ... [2024-11-14 03:38:38,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22984f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:38, skipping insertion in model container [2024-11-14 03:38:38,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:38:38" (1/1) ... [2024-11-14 03:38:38,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:38:39,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:38:39,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:38:39,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:38:39,373 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:38:39,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39 WrapperNode [2024-11-14 03:38:39,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:38:39,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:38:39,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:38:39,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:38:39,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,452 INFO L138 Inliner]: procedures = 266, calls = 104, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 206 [2024-11-14 03:38:39,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:38:39,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:38:39,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:38:39,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:38:39,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:38:39,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:38:39,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:38:39,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:38:39,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (1/1) ... [2024-11-14 03:38:39,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:38:39,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:39,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:38:39,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:38:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:38:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 03:38:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:38:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:38:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 03:38:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:38:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 03:38:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 03:38:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:38:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:38:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:38:39,592 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 03:38:39,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:38:39,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:38:40,290 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:38:40,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:38:40,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:38:40,319 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 03:38:40,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:38:40 BoogieIcfgContainer [2024-11-14 03:38:40,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:38:40,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:38:40,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:38:40,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:38:40,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:38:38" (1/3) ... [2024-11-14 03:38:40,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7345dda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:38:40, skipping insertion in model container [2024-11-14 03:38:40,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:39" (2/3) ... [2024-11-14 03:38:40,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7345dda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:38:40, skipping insertion in model container [2024-11-14 03:38:40,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:38:40" (3/3) ... [2024-11-14 03:38:40,332 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_04-funloop_hard1.i [2024-11-14 03:38:40,352 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:38:40,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_04-funloop_hard1.i that has 2 procedures, 210 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2024-11-14 03:38:40,354 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 03:38:40,465 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:38:40,518 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 213 places, 215 transitions, 434 flow [2024-11-14 03:38:40,722 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2473 states, 2459 states have (on average 2.00488003253355) internal successors, (4930), 2472 states have internal predecessors, (4930), 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 03:38:40,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:38:40,777 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;@2d07223b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:38:40,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-14 03:38:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 2473 states, 2459 states have (on average 2.00488003253355) internal successors, (4930), 2472 states have internal predecessors, (4930), 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 03:38:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 03:38:40,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:40,804 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, 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 03:38:40,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:40,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:40,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1540513216, now seen corresponding path program 1 times [2024-11-14 03:38:40,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:40,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131349877] [2024-11-14 03:38:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:40,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:41,454 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 03:38:41,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:41,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131349877] [2024-11-14 03:38:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131349877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:41,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:38:41,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:38:41,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090712576] [2024-11-14 03:38:41,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:41,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:38:41,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:41,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:38:41,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:38:41,491 INFO L87 Difference]: Start difference. First operand has 2473 states, 2459 states have (on average 2.00488003253355) internal successors, (4930), 2472 states have internal predecessors, (4930), 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 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 03:38:41,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:41,656 INFO L93 Difference]: Finished difference Result 4848 states and 9762 transitions. [2024-11-14 03:38:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:38:41,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 117 [2024-11-14 03:38:41,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:41,698 INFO L225 Difference]: With dead ends: 4848 [2024-11-14 03:38:41,698 INFO L226 Difference]: Without dead ends: 2477 [2024-11-14 03:38:41,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:38:41,711 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 3 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:41,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 396 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:38:41,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2024-11-14 03:38:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2474. [2024-11-14 03:38:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 2460 states have (on average 1.9670731707317073) internal successors, (4839), 2473 states have internal predecessors, (4839), 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 03:38:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 4839 transitions. [2024-11-14 03:38:42,007 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 4839 transitions. Word has length 117 [2024-11-14 03:38:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:42,008 INFO L471 AbstractCegarLoop]: Abstraction has 2474 states and 4839 transitions. [2024-11-14 03:38:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 03:38:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 4839 transitions. [2024-11-14 03:38:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-14 03:38:42,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:42,019 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, 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 03:38:42,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:38:42,019 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:42,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:42,020 INFO L85 PathProgramCache]: Analyzing trace with hash -748788315, now seen corresponding path program 1 times [2024-11-14 03:38:42,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:42,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547493844] [2024-11-14 03:38:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:42,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:42,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547493844] [2024-11-14 03:38:42,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547493844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:38:42,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510467145] [2024-11-14 03:38:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:42,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:42,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:38:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:42,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:38:42,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 03:38:42,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:38:42,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510467145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:42,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:38:42,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-14 03:38:42,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916978923] [2024-11-14 03:38:42,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:42,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:38:42,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:42,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:38:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:38:42,657 INFO L87 Difference]: Start difference. First operand 2474 states and 4839 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 03:38:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:42,810 INFO L93 Difference]: Finished difference Result 4686 states and 9263 transitions. [2024-11-14 03:38:42,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:38:42,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 122 [2024-11-14 03:38:42,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:42,836 INFO L225 Difference]: With dead ends: 4686 [2024-11-14 03:38:42,837 INFO L226 Difference]: Without dead ends: 3652 [2024-11-14 03:38:42,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:38:42,842 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 68 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:42,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 432 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:38:42,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-11-14 03:38:42,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 2512. [2024-11-14 03:38:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 2498 states have (on average 1.9675740592473978) internal successors, (4915), 2511 states have internal predecessors, (4915), 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 03:38:42,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 4915 transitions. [2024-11-14 03:38:42,978 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 4915 transitions. Word has length 122 [2024-11-14 03:38:42,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:42,980 INFO L471 AbstractCegarLoop]: Abstraction has 2512 states and 4915 transitions. [2024-11-14 03:38:42,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 03:38:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 4915 transitions. [2024-11-14 03:38:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 03:38:42,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:42,984 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, 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 03:38:43,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:38:43,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:43,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:43,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:43,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1943780044, now seen corresponding path program 1 times [2024-11-14 03:38:43,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:43,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972115794] [2024-11-14 03:38:43,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:43,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:43,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972115794] [2024-11-14 03:38:43,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972115794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:38:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270111989] [2024-11-14 03:38:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:43,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:43,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:43,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:38:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:43,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:38:43,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:43,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:38:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270111989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:38:43,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [873286793] [2024-11-14 03:38:43,900 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:38:43,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:38:43,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 03:38:43,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882242785] [2024-11-14 03:38:43,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:38:43,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:38:43,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:43,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:38:43,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:38:43,911 INFO L87 Difference]: Start difference. First operand 2512 states and 4915 transitions. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 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 03:38:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:44,184 INFO L93 Difference]: Finished difference Result 4931 states and 9738 transitions. [2024-11-14 03:38:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:38:44,185 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 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 125 [2024-11-14 03:38:44,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:44,239 INFO L225 Difference]: With dead ends: 4931 [2024-11-14 03:38:44,240 INFO L226 Difference]: Without dead ends: 2522 [2024-11-14 03:38:44,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:38:44,246 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 10 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:44,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1378 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:38:44,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2024-11-14 03:38:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2522. [2024-11-14 03:38:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2508 states have (on average 1.9637161084529506) internal successors, (4925), 2521 states have internal predecessors, (4925), 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 03:38:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4925 transitions. [2024-11-14 03:38:44,349 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 4925 transitions. Word has length 125 [2024-11-14 03:38:44,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:44,350 INFO L471 AbstractCegarLoop]: Abstraction has 2522 states and 4925 transitions. [2024-11-14 03:38:44,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 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 03:38:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4925 transitions. [2024-11-14 03:38:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 03:38:44,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:44,352 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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 03:38:44,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 03:38:44,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:44,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:44,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:44,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1736753644, now seen corresponding path program 2 times [2024-11-14 03:38:44,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:44,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890674215] [2024-11-14 03:38:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:44,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:44,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890674215] [2024-11-14 03:38:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890674215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:38:44,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456462309] [2024-11-14 03:38:44,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:38:44,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:44,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:44,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:44,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:38:45,130 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-14 03:38:45,131 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:38:45,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 03:38:45,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:45,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:38:45,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:38:45,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:38:45,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:38:45,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:38:45,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:38:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:38:45,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:38:45,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456462309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:45,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:38:45,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-14 03:38:45,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069772984] [2024-11-14 03:38:45,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:45,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:38:45,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:45,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:38:45,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:38:45,383 INFO L87 Difference]: Start difference. First operand 2522 states and 4925 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 03:38:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:45,918 INFO L93 Difference]: Finished difference Result 3062 states and 6005 transitions. [2024-11-14 03:38:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:38:45,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 135 [2024-11-14 03:38:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:45,941 INFO L225 Difference]: With dead ends: 3062 [2024-11-14 03:38:45,941 INFO L226 Difference]: Without dead ends: 2998 [2024-11-14 03:38:45,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:38:45,944 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 204 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:45,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 606 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:38:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2024-11-14 03:38:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2758. [2024-11-14 03:38:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2744 states have (on average 1.9668367346938775) internal successors, (5397), 2757 states have internal predecessors, (5397), 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 03:38:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 5397 transitions. [2024-11-14 03:38:46,076 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 5397 transitions. Word has length 135 [2024-11-14 03:38:46,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:46,077 INFO L471 AbstractCegarLoop]: Abstraction has 2758 states and 5397 transitions. [2024-11-14 03:38:46,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 03:38:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 5397 transitions. [2024-11-14 03:38:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 03:38:46,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:46,083 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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 03:38:46,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 03:38:46,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:46,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:46,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash -161773216, now seen corresponding path program 1 times [2024-11-14 03:38:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:46,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560255933] [2024-11-14 03:38:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:46,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:46,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560255933] [2024-11-14 03:38:46,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560255933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:38:46,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052667849] [2024-11-14 03:38:46,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:46,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:46,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:46,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:46,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:38:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:46,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:38:46,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:46,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:38:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:47,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052667849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:38:47,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1409694040] [2024-11-14 03:38:47,042 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:38:47,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:38:47,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 03:38:47,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498665668] [2024-11-14 03:38:47,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:38:47,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 03:38:47,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:47,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 03:38:47,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 03:38:47,045 INFO L87 Difference]: Start difference. First operand 2758 states and 5397 transitions. Second operand has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 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 03:38:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:47,451 INFO L93 Difference]: Finished difference Result 5423 states and 10704 transitions. [2024-11-14 03:38:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 03:38:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 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 135 [2024-11-14 03:38:47,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:47,473 INFO L225 Difference]: With dead ends: 5423 [2024-11-14 03:38:47,473 INFO L226 Difference]: Without dead ends: 2778 [2024-11-14 03:38:47,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2024-11-14 03:38:47,481 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 27 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:47,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1381 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:38:47,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2778 states. [2024-11-14 03:38:47,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2778 to 2778. [2024-11-14 03:38:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2764 states have (on average 1.9598408104196816) internal successors, (5417), 2777 states have internal predecessors, (5417), 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 03:38:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 5417 transitions. [2024-11-14 03:38:47,612 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 5417 transitions. Word has length 135 [2024-11-14 03:38:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:47,613 INFO L471 AbstractCegarLoop]: Abstraction has 2778 states and 5417 transitions. [2024-11-14 03:38:47,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 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 03:38:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 5417 transitions. [2024-11-14 03:38:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-14 03:38:47,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:47,619 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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 03:38:47,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 03:38:47,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:47,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:47,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1329356704, now seen corresponding path program 2 times [2024-11-14 03:38:47,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:47,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515319135] [2024-11-14 03:38:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:47,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:48,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:48,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515319135] [2024-11-14 03:38:48,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515319135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:38:48,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487267489] [2024-11-14 03:38:48,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:38:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:48,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:48,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:48,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:38:48,578 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-14 03:38:48,578 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:38:48,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 03:38:48,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:48,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:38:48,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:38:48,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:38:48,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:38:48,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:38:48,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:38:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 03:38:48,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:38:48,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487267489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:48,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:38:48,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-14 03:38:48,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246486239] [2024-11-14 03:38:48,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:48,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:38:48,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:48,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:38:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-14 03:38:48,788 INFO L87 Difference]: Start difference. First operand 2778 states and 5417 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 03:38:49,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:49,075 INFO L93 Difference]: Finished difference Result 3084 states and 6029 transitions. [2024-11-14 03:38:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:38:49,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 155 [2024-11-14 03:38:49,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:49,095 INFO L225 Difference]: With dead ends: 3084 [2024-11-14 03:38:49,095 INFO L226 Difference]: Without dead ends: 3042 [2024-11-14 03:38:49,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-14 03:38:49,097 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 136 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:49,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 529 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:38:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2024-11-14 03:38:49,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 2906. [2024-11-14 03:38:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2906 states, 2893 states have (on average 1.9609402004839267) internal successors, (5673), 2905 states have internal predecessors, (5673), 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 03:38:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 5673 transitions. [2024-11-14 03:38:49,205 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 5673 transitions. Word has length 155 [2024-11-14 03:38:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:49,205 INFO L471 AbstractCegarLoop]: Abstraction has 2906 states and 5673 transitions. [2024-11-14 03:38:49,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 03:38:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 5673 transitions. [2024-11-14 03:38:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-14 03:38:49,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:49,210 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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 03:38:49,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 03:38:49,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 03:38:49,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:49,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:49,412 INFO L85 PathProgramCache]: Analyzing trace with hash 485518641, now seen corresponding path program 1 times [2024-11-14 03:38:49,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:49,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056668525] [2024-11-14 03:38:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:49,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:50,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:50,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056668525] [2024-11-14 03:38:50,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056668525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:38:50,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058176726] [2024-11-14 03:38:50,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:50,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:50,081 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:50,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 03:38:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:50,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 03:38:50,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:38:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:50,367 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:38:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:38:50,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058176726] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:38:50,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1802923816] [2024-11-14 03:38:50,657 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:38:50,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:38:50,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-14 03:38:50,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046868199] [2024-11-14 03:38:50,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:38:50,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 03:38:50,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:50,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 03:38:50,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-14 03:38:50,660 INFO L87 Difference]: Start difference. First operand 2906 states and 5673 transitions. Second operand has 23 states, 23 states have (on average 7.826086956521739) internal successors, (180), 23 states have internal predecessors, (180), 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 03:38:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:51,166 INFO L93 Difference]: Finished difference Result 5694 states and 11230 transitions. [2024-11-14 03:38:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-14 03:38:51,167 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.826086956521739) internal successors, (180), 23 states have internal predecessors, (180), 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 163 [2024-11-14 03:38:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:51,195 INFO L225 Difference]: With dead ends: 5694 [2024-11-14 03:38:51,195 INFO L226 Difference]: Without dead ends: 2921 [2024-11-14 03:38:51,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 309 SyntacticMatches, 11 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2024-11-14 03:38:51,201 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 33 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:51,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2165 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:38:51,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2024-11-14 03:38:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2921. [2024-11-14 03:38:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2908 states have (on average 1.9559834938101788) internal successors, (5688), 2920 states have internal predecessors, (5688), 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 03:38:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5688 transitions. [2024-11-14 03:38:51,323 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5688 transitions. Word has length 163 [2024-11-14 03:38:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:51,324 INFO L471 AbstractCegarLoop]: Abstraction has 2921 states and 5688 transitions. [2024-11-14 03:38:51,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.826086956521739) internal successors, (180), 23 states have internal predecessors, (180), 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 03:38:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5688 transitions. [2024-11-14 03:38:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-14 03:38:51,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:51,330 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:38:51,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 03:38:51,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:51,535 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:51,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1039282486, now seen corresponding path program 2 times [2024-11-14 03:38:51,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136547919] [2024-11-14 03:38:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:38:52,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:52,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136547919] [2024-11-14 03:38:52,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136547919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:52,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:38:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:38:52,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359194604] [2024-11-14 03:38:52,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:52,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:38:52,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:52,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:38:52,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:38:52,511 INFO L87 Difference]: Start difference. First operand 2921 states and 5688 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 03:38:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:53,113 INFO L93 Difference]: Finished difference Result 3413 states and 6668 transitions. [2024-11-14 03:38:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:38:53,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 178 [2024-11-14 03:38:53,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:53,132 INFO L225 Difference]: With dead ends: 3413 [2024-11-14 03:38:53,132 INFO L226 Difference]: Without dead ends: 2985 [2024-11-14 03:38:53,134 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 03:38:53,135 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 191 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:53,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 836 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:38:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2024-11-14 03:38:53,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2826. [2024-11-14 03:38:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2813 states have (on average 1.9473871311766797) internal successors, (5478), 2825 states have internal predecessors, (5478), 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 03:38:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 5478 transitions. [2024-11-14 03:38:53,224 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 5478 transitions. Word has length 178 [2024-11-14 03:38:53,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:53,227 INFO L471 AbstractCegarLoop]: Abstraction has 2826 states and 5478 transitions. [2024-11-14 03:38:53,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 03:38:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 5478 transitions. [2024-11-14 03:38:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-14 03:38:53,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:53,230 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:38:53,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 03:38:53,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:53,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:53,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1810311648, now seen corresponding path program 1 times [2024-11-14 03:38:53,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:53,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550751243] [2024-11-14 03:38:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:38:54,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:54,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550751243] [2024-11-14 03:38:54,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550751243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:54,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:38:54,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:38:54,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280878955] [2024-11-14 03:38:54,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:54,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:38:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:54,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:38:54,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:38:54,002 INFO L87 Difference]: Start difference. First operand 2826 states and 5478 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 03:38:54,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:54,564 INFO L93 Difference]: Finished difference Result 3130 states and 6078 transitions. [2024-11-14 03:38:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:38:54,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 178 [2024-11-14 03:38:54,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:54,584 INFO L225 Difference]: With dead ends: 3130 [2024-11-14 03:38:54,585 INFO L226 Difference]: Without dead ends: 3084 [2024-11-14 03:38:54,586 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 03:38:54,587 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 123 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:54,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1084 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:38:54,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3084 states. [2024-11-14 03:38:54,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3084 to 2961. [2024-11-14 03:38:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2948 states have (on average 1.9497964721845318) internal successors, (5748), 2960 states have internal predecessors, (5748), 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 03:38:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 5748 transitions. [2024-11-14 03:38:54,710 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 5748 transitions. Word has length 178 [2024-11-14 03:38:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:54,711 INFO L471 AbstractCegarLoop]: Abstraction has 2961 states and 5748 transitions. [2024-11-14 03:38:54,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 03:38:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 5748 transitions. [2024-11-14 03:38:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:38:54,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:54,717 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:38:54,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:38:54,717 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:54,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:54,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1560952607, now seen corresponding path program 1 times [2024-11-14 03:38:54,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:54,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677050669] [2024-11-14 03:38:54,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:54,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:38:55,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:55,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677050669] [2024-11-14 03:38:55,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677050669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:55,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:38:55,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:38:55,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673419346] [2024-11-14 03:38:55,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:55,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:38:55,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:55,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:38:55,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:38:55,575 INFO L87 Difference]: Start difference. First operand 2961 states and 5748 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:38:56,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:56,894 INFO L93 Difference]: Finished difference Result 9966 states and 19766 transitions. [2024-11-14 03:38:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:38:56,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:38:56,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:56,933 INFO L225 Difference]: With dead ends: 9966 [2024-11-14 03:38:56,933 INFO L226 Difference]: Without dead ends: 7436 [2024-11-14 03:38:56,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:38:56,941 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 431 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:56,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1531 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 03:38:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2024-11-14 03:38:57,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 3123. [2024-11-14 03:38:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3110 states have (on average 1.9463022508038585) internal successors, (6053), 3122 states have internal predecessors, (6053), 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 03:38:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 6053 transitions. [2024-11-14 03:38:57,115 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 6053 transitions. Word has length 189 [2024-11-14 03:38:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:57,116 INFO L471 AbstractCegarLoop]: Abstraction has 3123 states and 6053 transitions. [2024-11-14 03:38:57,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:38:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 6053 transitions. [2024-11-14 03:38:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:38:57,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:57,121 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:38:57,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 03:38:57,121 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:57,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:57,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1906253041, now seen corresponding path program 2 times [2024-11-14 03:38:57,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:57,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549242604] [2024-11-14 03:38:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:57,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:38:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:38:57,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:38:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549242604] [2024-11-14 03:38:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549242604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:38:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:38:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:38:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922902323] [2024-11-14 03:38:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:38:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:38:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:38:57,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:38:57,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:38:57,967 INFO L87 Difference]: Start difference. First operand 3123 states and 6053 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:38:59,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:38:59,355 INFO L93 Difference]: Finished difference Result 10799 states and 21365 transitions. [2024-11-14 03:38:59,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:38:59,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:38:59,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:38:59,403 INFO L225 Difference]: With dead ends: 10799 [2024-11-14 03:38:59,403 INFO L226 Difference]: Without dead ends: 8281 [2024-11-14 03:38:59,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:38:59,412 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 468 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:38:59,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1783 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 03:38:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8281 states. [2024-11-14 03:38:59,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8281 to 3125. [2024-11-14 03:38:59,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 3112 states have (on average 1.9463367609254498) internal successors, (6057), 3124 states have internal predecessors, (6057), 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 03:38:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 6057 transitions. [2024-11-14 03:38:59,608 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 6057 transitions. Word has length 189 [2024-11-14 03:38:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:38:59,609 INFO L471 AbstractCegarLoop]: Abstraction has 3125 states and 6057 transitions. [2024-11-14 03:38:59,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:38:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 6057 transitions. [2024-11-14 03:38:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:38:59,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:59,615 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:38:59,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 03:38:59,618 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:38:59,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:59,619 INFO L85 PathProgramCache]: Analyzing trace with hash -254439019, now seen corresponding path program 3 times [2024-11-14 03:38:59,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:59,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345422826] [2024-11-14 03:38:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:00,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:00,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345422826] [2024-11-14 03:39:00,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345422826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:00,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:00,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:00,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659829860] [2024-11-14 03:39:00,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:00,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:00,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:00,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:00,403 INFO L87 Difference]: Start difference. First operand 3125 states and 6057 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:01,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:01,537 INFO L93 Difference]: Finished difference Result 10010 states and 19787 transitions. [2024-11-14 03:39:01,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:01,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:01,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:01,573 INFO L225 Difference]: With dead ends: 10010 [2024-11-14 03:39:01,574 INFO L226 Difference]: Without dead ends: 7492 [2024-11-14 03:39:01,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:01,582 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 496 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:01,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1376 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 03:39:01,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-11-14 03:39:01,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 3145. [2024-11-14 03:39:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3145 states, 3132 states have (on average 1.9406130268199233) internal successors, (6078), 3144 states have internal predecessors, (6078), 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 03:39:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 6078 transitions. [2024-11-14 03:39:01,725 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 6078 transitions. Word has length 189 [2024-11-14 03:39:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:01,726 INFO L471 AbstractCegarLoop]: Abstraction has 3145 states and 6078 transitions. [2024-11-14 03:39:01,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 6078 transitions. [2024-11-14 03:39:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:01,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:01,731 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:01,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 03:39:01,731 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:01,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:01,732 INFO L85 PathProgramCache]: Analyzing trace with hash 235182339, now seen corresponding path program 4 times [2024-11-14 03:39:01,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:01,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197092819] [2024-11-14 03:39:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:01,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:02,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:02,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197092819] [2024-11-14 03:39:02,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197092819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:02,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:02,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:02,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846883239] [2024-11-14 03:39:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:02,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:02,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:02,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:02,527 INFO L87 Difference]: Start difference. First operand 3145 states and 6078 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:03,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:03,678 INFO L93 Difference]: Finished difference Result 9889 states and 19526 transitions. [2024-11-14 03:39:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:03,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:03,715 INFO L225 Difference]: With dead ends: 9889 [2024-11-14 03:39:03,716 INFO L226 Difference]: Without dead ends: 7371 [2024-11-14 03:39:03,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:03,725 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 437 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:03,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1691 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 03:39:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7371 states. [2024-11-14 03:39:03,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7371 to 3151. [2024-11-14 03:39:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3138 states have (on average 1.9407265774378586) internal successors, (6090), 3150 states have internal predecessors, (6090), 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 03:39:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 6090 transitions. [2024-11-14 03:39:03,866 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 6090 transitions. Word has length 189 [2024-11-14 03:39:03,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:03,867 INFO L471 AbstractCegarLoop]: Abstraction has 3151 states and 6090 transitions. [2024-11-14 03:39:03,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 6090 transitions. [2024-11-14 03:39:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:03,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:03,872 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:03,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 03:39:03,872 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:03,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:03,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1886996361, now seen corresponding path program 5 times [2024-11-14 03:39:03,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:03,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269400087] [2024-11-14 03:39:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:03,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:04,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:04,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269400087] [2024-11-14 03:39:04,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269400087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:04,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:04,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:04,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668075165] [2024-11-14 03:39:04,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:04,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:04,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:04,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:04,624 INFO L87 Difference]: Start difference. First operand 3151 states and 6090 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:05,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:05,646 INFO L93 Difference]: Finished difference Result 9955 states and 19639 transitions. [2024-11-14 03:39:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:05,647 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:05,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:05,684 INFO L225 Difference]: With dead ends: 9955 [2024-11-14 03:39:05,685 INFO L226 Difference]: Without dead ends: 7437 [2024-11-14 03:39:05,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:05,694 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 479 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:05,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1559 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:39:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2024-11-14 03:39:05,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 3149. [2024-11-14 03:39:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3136 states have (on average 1.940688775510204) internal successors, (6086), 3148 states have internal predecessors, (6086), 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 03:39:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 6086 transitions. [2024-11-14 03:39:05,826 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 6086 transitions. Word has length 189 [2024-11-14 03:39:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:05,828 INFO L471 AbstractCegarLoop]: Abstraction has 3149 states and 6086 transitions. [2024-11-14 03:39:05,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 6086 transitions. [2024-11-14 03:39:05,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:05,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:05,833 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:05,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 03:39:05,833 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:05,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1991984607, now seen corresponding path program 6 times [2024-11-14 03:39:05,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:05,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451518160] [2024-11-14 03:39:05,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:07,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:07,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451518160] [2024-11-14 03:39:07,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451518160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:07,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:07,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:39:07,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402229156] [2024-11-14 03:39:07,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:07,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:39:07,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:07,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:39:07,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:39:07,678 INFO L87 Difference]: Start difference. First operand 3149 states and 6086 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:12,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:12,718 INFO L93 Difference]: Finished difference Result 8363 states and 16485 transitions. [2024-11-14 03:39:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:39:12,719 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:12,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:12,756 INFO L225 Difference]: With dead ends: 8363 [2024-11-14 03:39:12,756 INFO L226 Difference]: Without dead ends: 8300 [2024-11-14 03:39:12,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=890, Invalid=2190, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 03:39:12,761 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 1485 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 3243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:12,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 1951 Invalid, 3243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 3101 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-14 03:39:12,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2024-11-14 03:39:12,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 3248. [2024-11-14 03:39:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 3235 states have (on average 1.9425038639876353) internal successors, (6284), 3247 states have internal predecessors, (6284), 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 03:39:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 6284 transitions. [2024-11-14 03:39:12,898 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 6284 transitions. Word has length 189 [2024-11-14 03:39:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:12,899 INFO L471 AbstractCegarLoop]: Abstraction has 3248 states and 6284 transitions. [2024-11-14 03:39:12,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 6284 transitions. [2024-11-14 03:39:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:12,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:12,904 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:12,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 03:39:12,905 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:12,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:12,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1883905587, now seen corresponding path program 7 times [2024-11-14 03:39:12,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:12,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386211534] [2024-11-14 03:39:12,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:13,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:13,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386211534] [2024-11-14 03:39:13,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386211534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:13,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:13,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:13,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239008821] [2024-11-14 03:39:13,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:13,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:13,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:13,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:13,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:13,542 INFO L87 Difference]: Start difference. First operand 3248 states and 6284 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:14,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:14,387 INFO L93 Difference]: Finished difference Result 9080 states and 17908 transitions. [2024-11-14 03:39:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:14,388 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:14,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:14,418 INFO L225 Difference]: With dead ends: 9080 [2024-11-14 03:39:14,418 INFO L226 Difference]: Without dead ends: 6507 [2024-11-14 03:39:14,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:14,427 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 496 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:14,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1587 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:39:14,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6507 states. [2024-11-14 03:39:14,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6507 to 3189. [2024-11-14 03:39:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 3176 states have (on average 1.9414357682619647) internal successors, (6166), 3188 states have internal predecessors, (6166), 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 03:39:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 6166 transitions. [2024-11-14 03:39:14,552 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 6166 transitions. Word has length 189 [2024-11-14 03:39:14,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:14,553 INFO L471 AbstractCegarLoop]: Abstraction has 3189 states and 6166 transitions. [2024-11-14 03:39:14,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 6166 transitions. [2024-11-14 03:39:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:14,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:14,557 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:14,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 03:39:14,558 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:14,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:14,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1844462277, now seen corresponding path program 8 times [2024-11-14 03:39:14,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:14,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876355153] [2024-11-14 03:39:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:14,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:16,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876355153] [2024-11-14 03:39:16,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876355153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:16,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:16,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:39:16,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051764607] [2024-11-14 03:39:16,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:16,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:39:16,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:16,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:39:16,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:39:16,080 INFO L87 Difference]: Start difference. First operand 3189 states and 6166 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:19,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:19,978 INFO L93 Difference]: Finished difference Result 8419 states and 16578 transitions. [2024-11-14 03:39:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:39:19,978 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:19,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:20,011 INFO L225 Difference]: With dead ends: 8419 [2024-11-14 03:39:20,011 INFO L226 Difference]: Without dead ends: 8356 [2024-11-14 03:39:20,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=741, Invalid=1809, Unknown=0, NotChecked=0, Total=2550 [2024-11-14 03:39:20,017 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 1208 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 3346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:20,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 2026 Invalid, 3346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 03:39:20,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8356 states. [2024-11-14 03:39:20,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8356 to 3263. [2024-11-14 03:39:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3250 states have (on average 1.9427692307692308) internal successors, (6314), 3262 states have internal predecessors, (6314), 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 03:39:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 6314 transitions. [2024-11-14 03:39:20,160 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 6314 transitions. Word has length 189 [2024-11-14 03:39:20,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:20,161 INFO L471 AbstractCegarLoop]: Abstraction has 3263 states and 6314 transitions. [2024-11-14 03:39:20,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 6314 transitions. [2024-11-14 03:39:20,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:20,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:20,166 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:20,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 03:39:20,167 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:20,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1952541297, now seen corresponding path program 9 times [2024-11-14 03:39:20,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:20,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883512271] [2024-11-14 03:39:20,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:20,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:20,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:20,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883512271] [2024-11-14 03:39:20,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883512271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:20,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:20,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:20,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111403832] [2024-11-14 03:39:20,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:20,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:20,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:20,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:20,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:20,703 INFO L87 Difference]: Start difference. First operand 3263 states and 6314 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:21,565 INFO L93 Difference]: Finished difference Result 9146 states and 18021 transitions. [2024-11-14 03:39:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:21,565 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:21,586 INFO L225 Difference]: With dead ends: 9146 [2024-11-14 03:39:21,586 INFO L226 Difference]: Without dead ends: 6573 [2024-11-14 03:39:21,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:21,596 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 431 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:21,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1795 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:39:21,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2024-11-14 03:39:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 3189. [2024-11-14 03:39:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 3176 states have (on average 1.9414357682619647) internal successors, (6166), 3188 states have internal predecessors, (6166), 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 03:39:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 6166 transitions. [2024-11-14 03:39:21,724 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 6166 transitions. Word has length 189 [2024-11-14 03:39:21,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:21,725 INFO L471 AbstractCegarLoop]: Abstraction has 3189 states and 6166 transitions. [2024-11-14 03:39:21,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 6166 transitions. [2024-11-14 03:39:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:21,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:21,730 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:21,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 03:39:21,730 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:21,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:21,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1415448357, now seen corresponding path program 10 times [2024-11-14 03:39:21,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:21,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291596642] [2024-11-14 03:39:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:21,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:22,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:22,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291596642] [2024-11-14 03:39:22,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291596642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:22,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:22,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:22,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885290806] [2024-11-14 03:39:22,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:22,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:22,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:22,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:22,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:22,286 INFO L87 Difference]: Start difference. First operand 3189 states and 6166 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:23,407 INFO L93 Difference]: Finished difference Result 9772 states and 19292 transitions. [2024-11-14 03:39:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:23,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:23,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:23,430 INFO L225 Difference]: With dead ends: 9772 [2024-11-14 03:39:23,430 INFO L226 Difference]: Without dead ends: 7254 [2024-11-14 03:39:23,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:23,437 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 432 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:23,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1562 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 03:39:23,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2024-11-14 03:39:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 3194. [2024-11-14 03:39:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3181 states have (on average 1.9415278214397989) internal successors, (6176), 3193 states have internal predecessors, (6176), 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 03:39:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6176 transitions. [2024-11-14 03:39:23,593 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6176 transitions. Word has length 189 [2024-11-14 03:39:23,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:23,594 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 6176 transitions. [2024-11-14 03:39:23,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6176 transitions. [2024-11-14 03:39:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:23,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:23,598 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:23,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 03:39:23,598 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:23,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:23,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1760748791, now seen corresponding path program 11 times [2024-11-14 03:39:23,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:23,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360681755] [2024-11-14 03:39:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:24,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:24,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360681755] [2024-11-14 03:39:24,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360681755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:24,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:24,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128330095] [2024-11-14 03:39:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:24,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:24,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:24,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:24,150 INFO L87 Difference]: Start difference. First operand 3194 states and 6176 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:25,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:25,292 INFO L93 Difference]: Finished difference Result 9753 states and 19235 transitions. [2024-11-14 03:39:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:25,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:25,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:25,327 INFO L225 Difference]: With dead ends: 9753 [2024-11-14 03:39:25,327 INFO L226 Difference]: Without dead ends: 7235 [2024-11-14 03:39:25,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:25,337 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 464 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:25,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1487 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 03:39:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7235 states. [2024-11-14 03:39:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7235 to 3196. [2024-11-14 03:39:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3196 states, 3183 states have (on average 1.941564561734213) internal successors, (6180), 3195 states have internal predecessors, (6180), 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 03:39:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 6180 transitions. [2024-11-14 03:39:25,491 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 6180 transitions. Word has length 189 [2024-11-14 03:39:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:25,492 INFO L471 AbstractCegarLoop]: Abstraction has 3196 states and 6180 transitions. [2024-11-14 03:39:25,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 6180 transitions. [2024-11-14 03:39:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:25,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:25,496 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:25,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 03:39:25,496 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:25,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash -108934769, now seen corresponding path program 12 times [2024-11-14 03:39:25,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:25,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246687605] [2024-11-14 03:39:25,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:25,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:25,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246687605] [2024-11-14 03:39:25,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246687605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:25,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:25,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:25,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535689714] [2024-11-14 03:39:25,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:25,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:25,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:25,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:25,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:25,990 INFO L87 Difference]: Start difference. First operand 3196 states and 6180 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:27,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:27,023 INFO L93 Difference]: Finished difference Result 9090 states and 17909 transitions. [2024-11-14 03:39:27,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:27,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:27,039 INFO L225 Difference]: With dead ends: 9090 [2024-11-14 03:39:27,039 INFO L226 Difference]: Without dead ends: 6572 [2024-11-14 03:39:27,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:27,044 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 529 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:27,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1532 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 03:39:27,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2024-11-14 03:39:27,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 3192. [2024-11-14 03:39:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3179 states have (on average 1.9414910349166405) internal successors, (6172), 3191 states have internal predecessors, (6172), 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 03:39:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 6172 transitions. [2024-11-14 03:39:27,165 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 6172 transitions. Word has length 189 [2024-11-14 03:39:27,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:27,166 INFO L471 AbstractCegarLoop]: Abstraction has 3192 states and 6172 transitions. [2024-11-14 03:39:27,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 6172 transitions. [2024-11-14 03:39:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:27,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:27,169 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:27,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 03:39:27,169 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:27,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:27,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1428199363, now seen corresponding path program 13 times [2024-11-14 03:39:27,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:27,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594989731] [2024-11-14 03:39:27,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:27,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:27,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:27,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594989731] [2024-11-14 03:39:27,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594989731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:27,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:27,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:27,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438948992] [2024-11-14 03:39:27,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:27,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:27,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:27,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:27,647 INFO L87 Difference]: Start difference. First operand 3192 states and 6172 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:28,552 INFO L93 Difference]: Finished difference Result 9394 states and 18506 transitions. [2024-11-14 03:39:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:28,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:28,571 INFO L225 Difference]: With dead ends: 9394 [2024-11-14 03:39:28,571 INFO L226 Difference]: Without dead ends: 6876 [2024-11-14 03:39:28,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:39:28,580 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 504 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:28,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1510 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:39:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6876 states. [2024-11-14 03:39:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6876 to 3249. [2024-11-14 03:39:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 3236 states have (on average 1.942521631644005) internal successors, (6286), 3248 states have internal predecessors, (6286), 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 03:39:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 6286 transitions. [2024-11-14 03:39:28,718 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 6286 transitions. Word has length 189 [2024-11-14 03:39:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:28,718 INFO L471 AbstractCegarLoop]: Abstraction has 3249 states and 6286 transitions. [2024-11-14 03:39:28,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 6286 transitions. [2024-11-14 03:39:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:28,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:28,722 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:28,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-14 03:39:28,722 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:28,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:28,723 INFO L85 PathProgramCache]: Analyzing trace with hash -645997603, now seen corresponding path program 14 times [2024-11-14 03:39:28,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:28,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598470273] [2024-11-14 03:39:28,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:28,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:29,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:29,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598470273] [2024-11-14 03:39:29,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598470273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:29,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:29,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:29,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410667583] [2024-11-14 03:39:29,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:29,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:29,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:29,226 INFO L87 Difference]: Start difference. First operand 3249 states and 6286 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:30,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:30,113 INFO L93 Difference]: Finished difference Result 9482 states and 18712 transitions. [2024-11-14 03:39:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:30,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:30,134 INFO L225 Difference]: With dead ends: 9482 [2024-11-14 03:39:30,134 INFO L226 Difference]: Without dead ends: 6964 [2024-11-14 03:39:30,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:30,140 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 431 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:30,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1489 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:39:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2024-11-14 03:39:30,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 3259. [2024-11-14 03:39:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3259 states, 3246 states have (on average 1.942698706099815) internal successors, (6306), 3258 states have internal predecessors, (6306), 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 03:39:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 6306 transitions. [2024-11-14 03:39:30,276 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 6306 transitions. Word has length 189 [2024-11-14 03:39:30,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:30,276 INFO L471 AbstractCegarLoop]: Abstraction has 3259 states and 6306 transitions. [2024-11-14 03:39:30,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 6306 transitions. [2024-11-14 03:39:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:30,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:30,279 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:30,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-14 03:39:30,280 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:30,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash -991298037, now seen corresponding path program 15 times [2024-11-14 03:39:30,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:30,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362343231] [2024-11-14 03:39:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:30,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:30,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:30,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362343231] [2024-11-14 03:39:30,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362343231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:30,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:30,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:30,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970591222] [2024-11-14 03:39:30,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:30,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:30,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:30,746 INFO L87 Difference]: Start difference. First operand 3259 states and 6306 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:31,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:31,702 INFO L93 Difference]: Finished difference Result 10327 states and 20383 transitions. [2024-11-14 03:39:31,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:31,703 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:31,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:31,721 INFO L225 Difference]: With dead ends: 10327 [2024-11-14 03:39:31,721 INFO L226 Difference]: Without dead ends: 7809 [2024-11-14 03:39:31,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:31,727 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 445 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:31,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 1741 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:39:31,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7809 states. [2024-11-14 03:39:31,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7809 to 3261. [2024-11-14 03:39:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3248 states have (on average 1.9427339901477831) internal successors, (6310), 3260 states have internal predecessors, (6310), 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 03:39:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 6310 transitions. [2024-11-14 03:39:31,823 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 6310 transitions. Word has length 189 [2024-11-14 03:39:31,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:31,824 INFO L471 AbstractCegarLoop]: Abstraction has 3261 states and 6310 transitions. [2024-11-14 03:39:31,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 6310 transitions. [2024-11-14 03:39:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:31,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:31,826 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:31,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-14 03:39:31,827 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:31,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:31,827 INFO L85 PathProgramCache]: Analyzing trace with hash 660515985, now seen corresponding path program 16 times [2024-11-14 03:39:31,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:31,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180470449] [2024-11-14 03:39:31,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:32,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:32,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180470449] [2024-11-14 03:39:32,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180470449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:32,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:32,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:32,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082990994] [2024-11-14 03:39:32,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:32,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:32,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:32,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:32,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:32,321 INFO L87 Difference]: Start difference. First operand 3261 states and 6310 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:33,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:33,222 INFO L93 Difference]: Finished difference Result 9538 states and 18805 transitions. [2024-11-14 03:39:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:33,222 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:33,241 INFO L225 Difference]: With dead ends: 9538 [2024-11-14 03:39:33,241 INFO L226 Difference]: Without dead ends: 7020 [2024-11-14 03:39:33,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:33,247 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 401 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:33,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 1568 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:39:33,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7020 states. [2024-11-14 03:39:33,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7020 to 3257. [2024-11-14 03:39:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 3244 states have (on average 1.9426633785450063) internal successors, (6302), 3256 states have internal predecessors, (6302), 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 03:39:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 6302 transitions. [2024-11-14 03:39:33,361 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 6302 transitions. Word has length 189 [2024-11-14 03:39:33,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:33,362 INFO L471 AbstractCegarLoop]: Abstraction has 3257 states and 6302 transitions. [2024-11-14 03:39:33,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 6302 transitions. [2024-11-14 03:39:33,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:33,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:33,364 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:33,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-14 03:39:33,364 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:33,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:33,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1150137343, now seen corresponding path program 17 times [2024-11-14 03:39:33,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:33,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900764672] [2024-11-14 03:39:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:33,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:33,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900764672] [2024-11-14 03:39:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900764672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:33,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:33,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:33,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874859424] [2024-11-14 03:39:33,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:33,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:33,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:33,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:33,995 INFO L87 Difference]: Start difference. First operand 3257 states and 6302 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:34,949 INFO L93 Difference]: Finished difference Result 10544 states and 20798 transitions. [2024-11-14 03:39:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:34,973 INFO L225 Difference]: With dead ends: 10544 [2024-11-14 03:39:34,973 INFO L226 Difference]: Without dead ends: 8026 [2024-11-14 03:39:34,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:34,981 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 407 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:34,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 2087 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:39:34,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8026 states. [2024-11-14 03:39:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8026 to 3263. [2024-11-14 03:39:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3250 states have (on average 1.9427692307692308) internal successors, (6314), 3262 states have internal predecessors, (6314), 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 03:39:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 6314 transitions. [2024-11-14 03:39:35,092 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 6314 transitions. Word has length 189 [2024-11-14 03:39:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:35,093 INFO L471 AbstractCegarLoop]: Abstraction has 3263 states and 6314 transitions. [2024-11-14 03:39:35,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 6314 transitions. [2024-11-14 03:39:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:35,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:35,095 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:35,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-14 03:39:35,095 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:35,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1493015931, now seen corresponding path program 18 times [2024-11-14 03:39:35,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:35,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169610922] [2024-11-14 03:39:35,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:35,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:35,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:35,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169610922] [2024-11-14 03:39:35,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169610922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:35,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:35,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:35,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312829689] [2024-11-14 03:39:35,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:35,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:35,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:35,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:35,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:35,570 INFO L87 Difference]: Start difference. First operand 3263 states and 6314 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:36,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:36,585 INFO L93 Difference]: Finished difference Result 10610 states and 20911 transitions. [2024-11-14 03:39:36,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:36,586 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:36,609 INFO L225 Difference]: With dead ends: 10610 [2024-11-14 03:39:36,609 INFO L226 Difference]: Without dead ends: 8092 [2024-11-14 03:39:36,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:36,615 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 454 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:36,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1857 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:39:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8092 states. [2024-11-14 03:39:36,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8092 to 3261. [2024-11-14 03:39:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3248 states have (on average 1.9427339901477831) internal successors, (6310), 3260 states have internal predecessors, (6310), 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 03:39:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 6310 transitions. [2024-11-14 03:39:36,733 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 6310 transitions. Word has length 189 [2024-11-14 03:39:36,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:36,733 INFO L471 AbstractCegarLoop]: Abstraction has 3261 states and 6310 transitions. [2024-11-14 03:39:36,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 6310 transitions. [2024-11-14 03:39:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:36,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:36,735 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:36,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-14 03:39:36,735 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:36,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:36,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1077029603, now seen corresponding path program 19 times [2024-11-14 03:39:36,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:36,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899724901] [2024-11-14 03:39:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:36,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:38,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:38,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899724901] [2024-11-14 03:39:38,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899724901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:38,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:38,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:39:38,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764907223] [2024-11-14 03:39:38,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:38,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:39:38,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:38,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:39:38,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:39:38,069 INFO L87 Difference]: Start difference. First operand 3261 states and 6310 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:43,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:43,390 INFO L93 Difference]: Finished difference Result 9792 states and 19305 transitions. [2024-11-14 03:39:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 03:39:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:43,417 INFO L225 Difference]: With dead ends: 9792 [2024-11-14 03:39:43,417 INFO L226 Difference]: Without dead ends: 9729 [2024-11-14 03:39:43,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=962, Invalid=2460, Unknown=0, NotChecked=0, Total=3422 [2024-11-14 03:39:43,421 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 1380 mSDsluCounter, 2482 mSDsCounter, 0 mSdLazyCounter, 4838 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 2810 SdHoareTripleChecker+Invalid, 4981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 4838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:43,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 2810 Invalid, 4981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 4838 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-14 03:39:43,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9729 states. [2024-11-14 03:39:43,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9729 to 3360. [2024-11-14 03:39:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3347 states have (on average 1.9444278458320885) internal successors, (6508), 3359 states have internal predecessors, (6508), 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 03:39:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 6508 transitions. [2024-11-14 03:39:43,572 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 6508 transitions. Word has length 189 [2024-11-14 03:39:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:43,572 INFO L471 AbstractCegarLoop]: Abstraction has 3360 states and 6508 transitions. [2024-11-14 03:39:43,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 6508 transitions. [2024-11-14 03:39:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:43,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:43,574 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:43,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-14 03:39:43,574 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:43,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash -968950583, now seen corresponding path program 20 times [2024-11-14 03:39:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:43,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631621443] [2024-11-14 03:39:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:44,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:44,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631621443] [2024-11-14 03:39:44,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631621443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:44,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:44,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876864384] [2024-11-14 03:39:44,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:44,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:44,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:44,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:44,139 INFO L87 Difference]: Start difference. First operand 3360 states and 6508 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:44,983 INFO L93 Difference]: Finished difference Result 10449 states and 20608 transitions. [2024-11-14 03:39:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:44,984 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:45,007 INFO L225 Difference]: With dead ends: 10449 [2024-11-14 03:39:45,007 INFO L226 Difference]: Without dead ends: 7876 [2024-11-14 03:39:45,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:45,014 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 474 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:45,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1651 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:39:45,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2024-11-14 03:39:45,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 3263. [2024-11-14 03:39:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3250 states have (on average 1.9427692307692308) internal successors, (6314), 3262 states have internal predecessors, (6314), 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 03:39:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 6314 transitions. [2024-11-14 03:39:45,133 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 6314 transitions. Word has length 189 [2024-11-14 03:39:45,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:45,133 INFO L471 AbstractCegarLoop]: Abstraction has 3263 states and 6314 transitions. [2024-11-14 03:39:45,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 6314 transitions. [2024-11-14 03:39:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:45,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:45,135 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:45,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-14 03:39:45,135 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:45,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:45,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1535550015, now seen corresponding path program 21 times [2024-11-14 03:39:45,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:45,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515302035] [2024-11-14 03:39:45,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:46,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:46,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515302035] [2024-11-14 03:39:46,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515302035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:46,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:46,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:39:46,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781917068] [2024-11-14 03:39:46,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:46,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:39:46,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:46,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:39:46,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:39:46,623 INFO L87 Difference]: Start difference. First operand 3263 states and 6314 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:50,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:50,812 INFO L93 Difference]: Finished difference Result 9088 states and 17878 transitions. [2024-11-14 03:39:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-14 03:39:50,812 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:50,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:50,839 INFO L225 Difference]: With dead ends: 9088 [2024-11-14 03:39:50,839 INFO L226 Difference]: Without dead ends: 9025 [2024-11-14 03:39:50,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=808, Invalid=2054, Unknown=0, NotChecked=0, Total=2862 [2024-11-14 03:39:50,843 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 1151 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 3797 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 3797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:50,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 2267 Invalid, 3925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 3797 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-14 03:39:50,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9025 states. [2024-11-14 03:39:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9025 to 3337. [2024-11-14 03:39:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3337 states, 3324 states have (on average 1.944043321299639) internal successors, (6462), 3336 states have internal predecessors, (6462), 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 03:39:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 3337 states and 6462 transitions. [2024-11-14 03:39:51,074 INFO L78 Accepts]: Start accepts. Automaton has 3337 states and 6462 transitions. Word has length 189 [2024-11-14 03:39:51,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:51,075 INFO L471 AbstractCegarLoop]: Abstraction has 3337 states and 6462 transitions. [2024-11-14 03:39:51,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:39:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 6462 transitions. [2024-11-14 03:39:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:51,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:51,078 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:51,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-14 03:39:51,079 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:51,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:51,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1427470995, now seen corresponding path program 22 times [2024-11-14 03:39:51,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:51,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552891985] [2024-11-14 03:39:51,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:51,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:51,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:51,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552891985] [2024-11-14 03:39:51,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552891985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:51,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:51,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885354266] [2024-11-14 03:39:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:51,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:51,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:51,559 INFO L87 Difference]: Start difference. First operand 3337 states and 6462 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:52,352 INFO L93 Difference]: Finished difference Result 9791 states and 19273 transitions. [2024-11-14 03:39:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:52,353 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:52,377 INFO L225 Difference]: With dead ends: 9791 [2024-11-14 03:39:52,378 INFO L226 Difference]: Without dead ends: 7218 [2024-11-14 03:39:52,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:52,384 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 429 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:52,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1620 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:39:52,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7218 states. [2024-11-14 03:39:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7218 to 3253. [2024-11-14 03:39:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 3240 states have (on average 1.9425925925925926) internal successors, (6294), 3252 states have internal predecessors, (6294), 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 03:39:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 6294 transitions. [2024-11-14 03:39:52,558 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 6294 transitions. Word has length 189 [2024-11-14 03:39:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:52,558 INFO L471 AbstractCegarLoop]: Abstraction has 3253 states and 6294 transitions. [2024-11-14 03:39:52,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 6294 transitions. [2024-11-14 03:39:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:52,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:52,561 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:52,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-14 03:39:52,562 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:52,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1132216515, now seen corresponding path program 23 times [2024-11-14 03:39:52,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588772309] [2024-11-14 03:39:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:53,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:53,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588772309] [2024-11-14 03:39:53,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588772309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:53,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:53,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:53,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069783713] [2024-11-14 03:39:53,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:53,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:53,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:53,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:53,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:53,039 INFO L87 Difference]: Start difference. First operand 3253 states and 6294 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:53,850 INFO L93 Difference]: Finished difference Result 9306 states and 18360 transitions. [2024-11-14 03:39:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:53,879 INFO L225 Difference]: With dead ends: 9306 [2024-11-14 03:39:53,879 INFO L226 Difference]: Without dead ends: 6788 [2024-11-14 03:39:53,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:53,886 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 438 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:53,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1829 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:39:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6788 states. [2024-11-14 03:39:54,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6788 to 3263. [2024-11-14 03:39:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3250 states have (on average 1.9427692307692308) internal successors, (6314), 3262 states have internal predecessors, (6314), 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 03:39:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 6314 transitions. [2024-11-14 03:39:54,119 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 6314 transitions. Word has length 189 [2024-11-14 03:39:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:54,119 INFO L471 AbstractCegarLoop]: Abstraction has 3263 states and 6314 transitions. [2024-11-14 03:39:54,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 6314 transitions. [2024-11-14 03:39:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:54,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:54,121 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:54,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-14 03:39:54,121 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:54,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:54,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1510936759, now seen corresponding path program 24 times [2024-11-14 03:39:54,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:54,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648665714] [2024-11-14 03:39:54,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:54,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:54,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:54,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648665714] [2024-11-14 03:39:54,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648665714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:54,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:54,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:39:54,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147209385] [2024-11-14 03:39:54,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:54,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:54,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:54,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:54,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:54,463 INFO L87 Difference]: Start difference. First operand 3263 states and 6314 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:55,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:55,251 INFO L93 Difference]: Finished difference Result 9372 states and 18473 transitions. [2024-11-14 03:39:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:39:55,252 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:39:55,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:55,277 INFO L225 Difference]: With dead ends: 9372 [2024-11-14 03:39:55,277 INFO L226 Difference]: Without dead ends: 6854 [2024-11-14 03:39:55,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:39:55,284 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 407 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:55,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1721 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:39:55,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2024-11-14 03:39:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 3261. [2024-11-14 03:39:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3248 states have (on average 1.9427339901477831) internal successors, (6310), 3260 states have internal predecessors, (6310), 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 03:39:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 6310 transitions. [2024-11-14 03:39:55,418 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 6310 transitions. Word has length 189 [2024-11-14 03:39:55,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:55,419 INFO L471 AbstractCegarLoop]: Abstraction has 3261 states and 6310 transitions. [2024-11-14 03:39:55,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:39:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 6310 transitions. [2024-11-14 03:39:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:39:55,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:55,421 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:39:55,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-14 03:39:55,421 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:39:55,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:55,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1094950431, now seen corresponding path program 25 times [2024-11-14 03:39:55,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:55,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162229226] [2024-11-14 03:39:55,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:55,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:39:56,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:56,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162229226] [2024-11-14 03:39:56,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162229226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:56,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:56,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:39:56,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733639444] [2024-11-14 03:39:56,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:56,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:39:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:39:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:39:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:39:56,536 INFO L87 Difference]: Start difference. First operand 3261 states and 6310 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:00,523 INFO L93 Difference]: Finished difference Result 9603 states and 18927 transitions. [2024-11-14 03:40:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 03:40:00,524 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:00,549 INFO L225 Difference]: With dead ends: 9603 [2024-11-14 03:40:00,549 INFO L226 Difference]: Without dead ends: 9540 [2024-11-14 03:40:00,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=963, Invalid=2459, Unknown=0, NotChecked=0, Total=3422 [2024-11-14 03:40:00,553 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 1412 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 3103 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 3261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:00,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 1941 Invalid, 3261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3103 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-14 03:40:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9540 states. [2024-11-14 03:40:00,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9540 to 3360. [2024-11-14 03:40:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3347 states have (on average 1.9444278458320885) internal successors, (6508), 3359 states have internal predecessors, (6508), 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 03:40:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 6508 transitions. [2024-11-14 03:40:00,674 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 6508 transitions. Word has length 189 [2024-11-14 03:40:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:00,674 INFO L471 AbstractCegarLoop]: Abstraction has 3360 states and 6508 transitions. [2024-11-14 03:40:00,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 6508 transitions. [2024-11-14 03:40:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:00,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:00,676 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:00,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-14 03:40:00,676 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:00,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash -986871411, now seen corresponding path program 26 times [2024-11-14 03:40:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:00,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105622745] [2024-11-14 03:40:00,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:00,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:01,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:01,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105622745] [2024-11-14 03:40:01,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105622745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:01,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:01,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:01,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535143174] [2024-11-14 03:40:01,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:01,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:01,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:01,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:01,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:01,126 INFO L87 Difference]: Start difference. First operand 3360 states and 6508 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:01,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:01,947 INFO L93 Difference]: Finished difference Result 10264 states and 20238 transitions. [2024-11-14 03:40:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:01,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:01,974 INFO L225 Difference]: With dead ends: 10264 [2024-11-14 03:40:01,974 INFO L226 Difference]: Without dead ends: 7691 [2024-11-14 03:40:01,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:01,981 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 418 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:01,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1791 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:40:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7691 states. [2024-11-14 03:40:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7691 to 3263. [2024-11-14 03:40:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3250 states have (on average 1.9427692307692308) internal successors, (6314), 3262 states have internal predecessors, (6314), 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 03:40:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 6314 transitions. [2024-11-14 03:40:02,110 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 6314 transitions. Word has length 189 [2024-11-14 03:40:02,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:02,110 INFO L471 AbstractCegarLoop]: Abstraction has 3263 states and 6314 transitions. [2024-11-14 03:40:02,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 6314 transitions. [2024-11-14 03:40:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:02,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:02,112 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:02,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-14 03:40:02,112 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:02,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1553470843, now seen corresponding path program 27 times [2024-11-14 03:40:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607112554] [2024-11-14 03:40:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:03,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:03,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607112554] [2024-11-14 03:40:03,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607112554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:03,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:03,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:03,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928008989] [2024-11-14 03:40:03,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:03,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:03,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:03,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:03,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:03,462 INFO L87 Difference]: Start difference. First operand 3263 states and 6314 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:07,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:07,592 INFO L93 Difference]: Finished difference Result 8899 states and 17500 transitions. [2024-11-14 03:40:07,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-14 03:40:07,593 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:07,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:07,621 INFO L225 Difference]: With dead ends: 8899 [2024-11-14 03:40:07,622 INFO L226 Difference]: Without dead ends: 8836 [2024-11-14 03:40:07,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=809, Invalid=2053, Unknown=0, NotChecked=0, Total=2862 [2024-11-14 03:40:07,627 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 1185 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 3526 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2153 SdHoareTripleChecker+Invalid, 3648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:07,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 2153 Invalid, 3648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3526 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 03:40:07,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8836 states. [2024-11-14 03:40:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8836 to 3337. [2024-11-14 03:40:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3337 states, 3324 states have (on average 1.944043321299639) internal successors, (6462), 3336 states have internal predecessors, (6462), 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 03:40:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 3337 states and 6462 transitions. [2024-11-14 03:40:07,763 INFO L78 Accepts]: Start accepts. Automaton has 3337 states and 6462 transitions. Word has length 189 [2024-11-14 03:40:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:07,764 INFO L471 AbstractCegarLoop]: Abstraction has 3337 states and 6462 transitions. [2024-11-14 03:40:07,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 6462 transitions. [2024-11-14 03:40:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:07,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:07,765 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:07,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-14 03:40:07,765 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:07,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:07,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1445391823, now seen corresponding path program 28 times [2024-11-14 03:40:07,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:07,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406640186] [2024-11-14 03:40:07,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:07,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:08,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:08,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406640186] [2024-11-14 03:40:08,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406640186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:08,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:08,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:08,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211334253] [2024-11-14 03:40:08,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:08,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:08,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:08,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:08,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:08,122 INFO L87 Difference]: Start difference. First operand 3337 states and 6462 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:08,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:08,794 INFO L93 Difference]: Finished difference Result 9616 states and 18923 transitions. [2024-11-14 03:40:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:08,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:08,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:08,821 INFO L225 Difference]: With dead ends: 9616 [2024-11-14 03:40:08,821 INFO L226 Difference]: Without dead ends: 7043 [2024-11-14 03:40:08,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:08,827 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 402 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:08,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1709 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:40:08,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7043 states. [2024-11-14 03:40:08,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7043 to 3257. [2024-11-14 03:40:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 3244 states have (on average 1.9426633785450063) internal successors, (6302), 3256 states have internal predecessors, (6302), 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 03:40:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 6302 transitions. [2024-11-14 03:40:08,953 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 6302 transitions. Word has length 189 [2024-11-14 03:40:08,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:08,953 INFO L471 AbstractCegarLoop]: Abstraction has 3257 states and 6302 transitions. [2024-11-14 03:40:08,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 6302 transitions. [2024-11-14 03:40:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:08,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:08,955 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:08,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-14 03:40:08,955 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:08,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash 519774965, now seen corresponding path program 29 times [2024-11-14 03:40:08,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:08,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378797565] [2024-11-14 03:40:08,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:08,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:10,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:10,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378797565] [2024-11-14 03:40:10,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378797565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:10,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:10,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:10,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406548584] [2024-11-14 03:40:10,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:10,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:10,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:10,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:10,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:10,005 INFO L87 Difference]: Start difference. First operand 3257 states and 6302 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:14,023 INFO L93 Difference]: Finished difference Result 8574 states and 16907 transitions. [2024-11-14 03:40:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:40:14,023 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:14,051 INFO L225 Difference]: With dead ends: 8574 [2024-11-14 03:40:14,051 INFO L226 Difference]: Without dead ends: 8511 [2024-11-14 03:40:14,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=809, Invalid=2161, Unknown=0, NotChecked=0, Total=2970 [2024-11-14 03:40:14,056 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 1458 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 3520 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 3520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:14,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 1989 Invalid, 3660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 3520 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 03:40:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8511 states. [2024-11-14 03:40:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8511 to 3384. [2024-11-14 03:40:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3384 states, 3371 states have (on average 1.9448234945120142) internal successors, (6556), 3383 states have internal predecessors, (6556), 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 03:40:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 6556 transitions. [2024-11-14 03:40:14,224 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 6556 transitions. Word has length 189 [2024-11-14 03:40:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:14,225 INFO L471 AbstractCegarLoop]: Abstraction has 3384 states and 6556 transitions. [2024-11-14 03:40:14,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 6556 transitions. [2024-11-14 03:40:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:14,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:14,226 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:14,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-14 03:40:14,227 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:14,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash 627853985, now seen corresponding path program 30 times [2024-11-14 03:40:14,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:14,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117179490] [2024-11-14 03:40:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:14,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:14,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:14,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117179490] [2024-11-14 03:40:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117179490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:14,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:14,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861253595] [2024-11-14 03:40:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:14,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:14,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:14,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:14,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:14,797 INFO L87 Difference]: Start difference. First operand 3384 states and 6556 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:16,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:16,110 INFO L93 Difference]: Finished difference Result 9252 states and 18252 transitions. [2024-11-14 03:40:16,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:16,110 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:16,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:16,151 INFO L225 Difference]: With dead ends: 9252 [2024-11-14 03:40:16,151 INFO L226 Difference]: Without dead ends: 6679 [2024-11-14 03:40:16,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:16,157 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 389 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:16,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1752 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 03:40:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2024-11-14 03:40:16,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 3297. [2024-11-14 03:40:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3297 states, 3284 states have (on average 1.943361753958587) internal successors, (6382), 3296 states have internal predecessors, (6382), 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 03:40:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 3297 states and 6382 transitions. [2024-11-14 03:40:16,300 INFO L78 Accepts]: Start accepts. Automaton has 3297 states and 6382 transitions. Word has length 189 [2024-11-14 03:40:16,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:16,301 INFO L471 AbstractCegarLoop]: Abstraction has 3297 states and 6382 transitions. [2024-11-14 03:40:16,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 6382 transitions. [2024-11-14 03:40:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:16,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:16,303 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:16,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-14 03:40:16,303 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:16,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:16,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1554922831, now seen corresponding path program 31 times [2024-11-14 03:40:16,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:16,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591380935] [2024-11-14 03:40:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:16,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:17,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:17,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591380935] [2024-11-14 03:40:17,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591380935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:17,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:17,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:17,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113014544] [2024-11-14 03:40:17,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:17,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:17,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:17,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:17,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:17,251 INFO L87 Difference]: Start difference. First operand 3297 states and 6382 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:22,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:22,049 INFO L93 Difference]: Finished difference Result 8626 states and 16992 transitions. [2024-11-14 03:40:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 03:40:22,050 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:22,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:22,079 INFO L225 Difference]: With dead ends: 8626 [2024-11-14 03:40:22,079 INFO L226 Difference]: Without dead ends: 8563 [2024-11-14 03:40:22,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=965, Invalid=2457, Unknown=0, NotChecked=0, Total=3422 [2024-11-14 03:40:22,082 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 1343 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 3972 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:22,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 2256 Invalid, 4104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3972 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-14 03:40:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8563 states. [2024-11-14 03:40:22,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8563 to 3396. [2024-11-14 03:40:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3396 states, 3383 states have (on average 1.945019213715637) internal successors, (6580), 3395 states have internal predecessors, (6580), 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 03:40:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 6580 transitions. [2024-11-14 03:40:22,227 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 6580 transitions. Word has length 189 [2024-11-14 03:40:22,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:22,227 INFO L471 AbstractCegarLoop]: Abstraction has 3396 states and 6580 transitions. [2024-11-14 03:40:22,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 6580 transitions. [2024-11-14 03:40:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:22,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:22,229 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:22,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-14 03:40:22,230 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:22,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:22,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1663001851, now seen corresponding path program 32 times [2024-11-14 03:40:22,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087053459] [2024-11-14 03:40:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:22,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:22,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:22,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087053459] [2024-11-14 03:40:22,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087053459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:22,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:22,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:22,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035238835] [2024-11-14 03:40:22,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:22,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:22,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:22,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:22,575 INFO L87 Difference]: Start difference. First operand 3396 states and 6580 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:23,515 INFO L93 Difference]: Finished difference Result 9343 states and 18415 transitions. [2024-11-14 03:40:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:23,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:23,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:23,542 INFO L225 Difference]: With dead ends: 9343 [2024-11-14 03:40:23,542 INFO L226 Difference]: Without dead ends: 6770 [2024-11-14 03:40:23,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:23,548 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 385 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:23,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1914 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:40:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2024-11-14 03:40:23,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 3299. [2024-11-14 03:40:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 3286 states have (on average 1.9433962264150944) internal successors, (6386), 3298 states have internal predecessors, (6386), 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 03:40:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 6386 transitions. [2024-11-14 03:40:23,706 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 6386 transitions. Word has length 189 [2024-11-14 03:40:23,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:23,706 INFO L471 AbstractCegarLoop]: Abstraction has 3299 states and 6386 transitions. [2024-11-14 03:40:23,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 6386 transitions. [2024-11-14 03:40:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:23,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:23,708 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:23,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-14 03:40:23,708 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:23,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash 520947393, now seen corresponding path program 33 times [2024-11-14 03:40:23,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:23,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992148719] [2024-11-14 03:40:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:23,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:24,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:24,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992148719] [2024-11-14 03:40:24,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992148719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:24,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:24,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:24,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319957155] [2024-11-14 03:40:24,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:24,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:24,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:24,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:24,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:24,901 INFO L87 Difference]: Start difference. First operand 3299 states and 6386 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:28,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:28,722 INFO L93 Difference]: Finished difference Result 7781 states and 15302 transitions. [2024-11-14 03:40:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:40:28,722 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:28,753 INFO L225 Difference]: With dead ends: 7781 [2024-11-14 03:40:28,753 INFO L226 Difference]: Without dead ends: 7718 [2024-11-14 03:40:28,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=681, Invalid=1769, Unknown=0, NotChecked=0, Total=2450 [2024-11-14 03:40:28,757 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 1157 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 3627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:28,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1996 Invalid, 3627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3515 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-14 03:40:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2024-11-14 03:40:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 3373. [2024-11-14 03:40:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3373 states, 3360 states have (on average 1.9446428571428571) internal successors, (6534), 3372 states have internal predecessors, (6534), 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 03:40:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3373 states to 3373 states and 6534 transitions. [2024-11-14 03:40:28,994 INFO L78 Accepts]: Start accepts. Automaton has 3373 states and 6534 transitions. Word has length 189 [2024-11-14 03:40:28,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:28,994 INFO L471 AbstractCegarLoop]: Abstraction has 3373 states and 6534 transitions. [2024-11-14 03:40:28,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 6534 transitions. [2024-11-14 03:40:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:28,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:28,996 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:28,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-14 03:40:28,996 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:28,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:28,996 INFO L85 PathProgramCache]: Analyzing trace with hash 629026413, now seen corresponding path program 34 times [2024-11-14 03:40:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:28,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612803896] [2024-11-14 03:40:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:29,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:29,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612803896] [2024-11-14 03:40:29,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612803896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:29,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:29,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:29,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942965444] [2024-11-14 03:40:29,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:29,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:29,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:29,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:29,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:29,421 INFO L87 Difference]: Start difference. First operand 3373 states and 6534 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:30,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:30,222 INFO L93 Difference]: Finished difference Result 8504 states and 16737 transitions. [2024-11-14 03:40:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:30,222 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:30,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:30,258 INFO L225 Difference]: With dead ends: 8504 [2024-11-14 03:40:30,259 INFO L226 Difference]: Without dead ends: 5931 [2024-11-14 03:40:30,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:30,264 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 368 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:30,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1548 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:40:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2024-11-14 03:40:30,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 3297. [2024-11-14 03:40:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3297 states, 3284 states have (on average 1.943361753958587) internal successors, (6382), 3296 states have internal predecessors, (6382), 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 03:40:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 3297 states and 6382 transitions. [2024-11-14 03:40:30,393 INFO L78 Accepts]: Start accepts. Automaton has 3297 states and 6382 transitions. Word has length 189 [2024-11-14 03:40:30,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:30,394 INFO L471 AbstractCegarLoop]: Abstraction has 3297 states and 6382 transitions. [2024-11-14 03:40:30,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 6382 transitions. [2024-11-14 03:40:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:30,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:30,396 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:30,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-14 03:40:30,396 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:30,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:30,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1037739589, now seen corresponding path program 35 times [2024-11-14 03:40:30,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:30,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132056684] [2024-11-14 03:40:30,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:30,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:30,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:30,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132056684] [2024-11-14 03:40:30,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132056684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:30,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:30,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:30,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138566221] [2024-11-14 03:40:30,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:30,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:30,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:30,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:30,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:30,754 INFO L87 Difference]: Start difference. First operand 3297 states and 6382 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:31,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:31,461 INFO L93 Difference]: Finished difference Result 8708 states and 17184 transitions. [2024-11-14 03:40:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:31,461 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:31,488 INFO L225 Difference]: With dead ends: 8708 [2024-11-14 03:40:31,488 INFO L226 Difference]: Without dead ends: 6190 [2024-11-14 03:40:31,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:31,494 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 406 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:31,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1338 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:40:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6190 states. [2024-11-14 03:40:31,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6190 to 3309. [2024-11-14 03:40:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3296 states have (on average 1.9435679611650485) internal successors, (6406), 3308 states have internal predecessors, (6406), 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 03:40:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 6406 transitions. [2024-11-14 03:40:31,629 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 6406 transitions. Word has length 189 [2024-11-14 03:40:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:31,629 INFO L471 AbstractCegarLoop]: Abstraction has 3309 states and 6406 transitions. [2024-11-14 03:40:31,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 6406 transitions. [2024-11-14 03:40:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:31,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:31,632 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:31,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-14 03:40:31,632 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:31,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:31,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1383040023, now seen corresponding path program 36 times [2024-11-14 03:40:31,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:31,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361598549] [2024-11-14 03:40:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:31,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:31,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:31,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361598549] [2024-11-14 03:40:31,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361598549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:31,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:31,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:31,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360517691] [2024-11-14 03:40:31,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:32,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:32,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:32,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:32,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:32,000 INFO L87 Difference]: Start difference. First operand 3309 states and 6406 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:32,746 INFO L93 Difference]: Finished difference Result 9553 states and 18855 transitions. [2024-11-14 03:40:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:32,777 INFO L225 Difference]: With dead ends: 9553 [2024-11-14 03:40:32,777 INFO L226 Difference]: Without dead ends: 7035 [2024-11-14 03:40:32,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:32,783 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 397 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:32,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1581 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:40:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7035 states. [2024-11-14 03:40:32,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7035 to 3311. [2024-11-14 03:40:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3298 states have (on average 1.9436021831412977) internal successors, (6410), 3310 states have internal predecessors, (6410), 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 03:40:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 6410 transitions. [2024-11-14 03:40:32,967 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 6410 transitions. Word has length 189 [2024-11-14 03:40:32,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:32,968 INFO L471 AbstractCegarLoop]: Abstraction has 3311 states and 6410 transitions. [2024-11-14 03:40:32,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 6410 transitions. [2024-11-14 03:40:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:32,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:32,969 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:32,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-14 03:40:32,970 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:32,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash 268773999, now seen corresponding path program 37 times [2024-11-14 03:40:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:32,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782313792] [2024-11-14 03:40:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:32,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:33,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782313792] [2024-11-14 03:40:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782313792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:33,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:33,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:33,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30460286] [2024-11-14 03:40:33,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:33,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:33,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:33,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:33,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:33,391 INFO L87 Difference]: Start difference. First operand 3311 states and 6410 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:34,267 INFO L93 Difference]: Finished difference Result 8764 states and 17277 transitions. [2024-11-14 03:40:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:34,296 INFO L225 Difference]: With dead ends: 8764 [2024-11-14 03:40:34,296 INFO L226 Difference]: Without dead ends: 6246 [2024-11-14 03:40:34,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:34,302 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 363 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:34,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1715 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:40:34,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6246 states. [2024-11-14 03:40:34,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6246 to 3307. [2024-11-14 03:40:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 3294 states have (on average 1.9435336976320583) internal successors, (6402), 3306 states have internal predecessors, (6402), 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 03:40:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 6402 transitions. [2024-11-14 03:40:34,465 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 6402 transitions. Word has length 189 [2024-11-14 03:40:34,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:34,465 INFO L471 AbstractCegarLoop]: Abstraction has 3307 states and 6402 transitions. [2024-11-14 03:40:34,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 6402 transitions. [2024-11-14 03:40:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:34,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:34,467 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:34,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-14 03:40:34,467 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:34,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:34,467 INFO L85 PathProgramCache]: Analyzing trace with hash 758395357, now seen corresponding path program 38 times [2024-11-14 03:40:34,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:34,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548094112] [2024-11-14 03:40:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:34,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:34,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:34,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548094112] [2024-11-14 03:40:34,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548094112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:34,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:34,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:34,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699373405] [2024-11-14 03:40:34,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:34,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:34,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:34,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:34,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:34,998 INFO L87 Difference]: Start difference. First operand 3307 states and 6402 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:36,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:36,108 INFO L93 Difference]: Finished difference Result 9770 states and 19270 transitions. [2024-11-14 03:40:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:36,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:36,139 INFO L225 Difference]: With dead ends: 9770 [2024-11-14 03:40:36,139 INFO L226 Difference]: Without dead ends: 7252 [2024-11-14 03:40:36,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:36,145 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 383 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 2029 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:36,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 2029 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:40:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7252 states. [2024-11-14 03:40:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7252 to 3313. [2024-11-14 03:40:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 3300 states have (on average 1.9436363636363636) internal successors, (6414), 3312 states have internal predecessors, (6414), 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 03:40:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 6414 transitions. [2024-11-14 03:40:36,316 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 6414 transitions. Word has length 189 [2024-11-14 03:40:36,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:36,316 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 6414 transitions. [2024-11-14 03:40:36,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 6414 transitions. [2024-11-14 03:40:36,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:36,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:36,318 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:36,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-14 03:40:36,318 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:36,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:36,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1884757917, now seen corresponding path program 39 times [2024-11-14 03:40:36,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:36,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236868560] [2024-11-14 03:40:36,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:36,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:36,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:36,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236868560] [2024-11-14 03:40:36,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236868560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:36,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:36,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:36,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741069503] [2024-11-14 03:40:36,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:36,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:36,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:36,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:36,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:36,790 INFO L87 Difference]: Start difference. First operand 3313 states and 6414 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:37,530 INFO L93 Difference]: Finished difference Result 9836 states and 19383 transitions. [2024-11-14 03:40:37,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:37,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:37,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:37,562 INFO L225 Difference]: With dead ends: 9836 [2024-11-14 03:40:37,563 INFO L226 Difference]: Without dead ends: 7318 [2024-11-14 03:40:37,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:37,568 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 418 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:37,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1493 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:40:37,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2024-11-14 03:40:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 3311. [2024-11-14 03:40:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3298 states have (on average 1.9436021831412977) internal successors, (6410), 3310 states have internal predecessors, (6410), 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 03:40:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 6410 transitions. [2024-11-14 03:40:37,710 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 6410 transitions. Word has length 189 [2024-11-14 03:40:37,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:37,710 INFO L471 AbstractCegarLoop]: Abstraction has 3311 states and 6410 transitions. [2024-11-14 03:40:37,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 6410 transitions. [2024-11-14 03:40:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:37,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:37,712 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:37,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-14 03:40:37,712 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:37,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:37,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1468771589, now seen corresponding path program 40 times [2024-11-14 03:40:37,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:37,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855346656] [2024-11-14 03:40:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:38,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:38,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855346656] [2024-11-14 03:40:38,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855346656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:38,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:38,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:38,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741861184] [2024-11-14 03:40:38,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:38,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:38,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:38,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:38,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:38,670 INFO L87 Difference]: Start difference. First operand 3311 states and 6410 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:42,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:42,608 INFO L93 Difference]: Finished difference Result 8878 states and 17497 transitions. [2024-11-14 03:40:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:40:42,609 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:42,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:42,640 INFO L225 Difference]: With dead ends: 8878 [2024-11-14 03:40:42,640 INFO L226 Difference]: Without dead ends: 8815 [2024-11-14 03:40:42,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=847, Invalid=2123, Unknown=0, NotChecked=0, Total=2970 [2024-11-14 03:40:42,644 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 1319 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 2691 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 2831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:42,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 1815 Invalid, 2831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2691 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-14 03:40:42,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8815 states. [2024-11-14 03:40:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8815 to 3410. [2024-11-14 03:40:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3397 states have (on average 1.9452458051221666) internal successors, (6608), 3409 states have internal predecessors, (6608), 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 03:40:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 6608 transitions. [2024-11-14 03:40:42,839 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 6608 transitions. Word has length 189 [2024-11-14 03:40:42,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:42,840 INFO L471 AbstractCegarLoop]: Abstraction has 3410 states and 6608 transitions. [2024-11-14 03:40:42,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:42,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 6608 transitions. [2024-11-14 03:40:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:42,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:42,841 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:42,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-14 03:40:42,842 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:42,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:42,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1360692569, now seen corresponding path program 41 times [2024-11-14 03:40:42,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:42,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075155427] [2024-11-14 03:40:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:42,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:43,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:43,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075155427] [2024-11-14 03:40:43,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075155427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:43,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:43,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:43,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293287868] [2024-11-14 03:40:43,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:43,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:43,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:43,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:43,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:43,293 INFO L87 Difference]: Start difference. First operand 3410 states and 6608 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:44,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:44,048 INFO L93 Difference]: Finished difference Result 9675 states and 19080 transitions. [2024-11-14 03:40:44,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:44,049 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:44,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:44,081 INFO L225 Difference]: With dead ends: 9675 [2024-11-14 03:40:44,081 INFO L226 Difference]: Without dead ends: 7102 [2024-11-14 03:40:44,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:44,087 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 414 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:44,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1691 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:40:44,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7102 states. [2024-11-14 03:40:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7102 to 3313. [2024-11-14 03:40:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 3300 states have (on average 1.9436363636363636) internal successors, (6414), 3312 states have internal predecessors, (6414), 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 03:40:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 6414 transitions. [2024-11-14 03:40:44,270 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 6414 transitions. Word has length 189 [2024-11-14 03:40:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:44,271 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 6414 transitions. [2024-11-14 03:40:44,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 6414 transitions. [2024-11-14 03:40:44,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:44,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:44,272 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:44,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-14 03:40:44,273 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:44,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:44,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1927292001, now seen corresponding path program 42 times [2024-11-14 03:40:44,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:44,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646747215] [2024-11-14 03:40:44,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:44,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:45,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:45,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646747215] [2024-11-14 03:40:45,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646747215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:45,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:45,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:45,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077381811] [2024-11-14 03:40:45,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:45,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:45,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:45,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:45,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:45,160 INFO L87 Difference]: Start difference. First operand 3313 states and 6414 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:49,139 INFO L93 Difference]: Finished difference Result 8174 states and 16070 transitions. [2024-11-14 03:40:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:40:49,139 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:49,178 INFO L225 Difference]: With dead ends: 8174 [2024-11-14 03:40:49,178 INFO L226 Difference]: Without dead ends: 8111 [2024-11-14 03:40:49,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=703, Invalid=1747, Unknown=0, NotChecked=0, Total=2450 [2024-11-14 03:40:49,182 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 1072 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 3590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:49,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2175 Invalid, 3590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 3481 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 03:40:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8111 states. [2024-11-14 03:40:49,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8111 to 3387. [2024-11-14 03:40:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3374 states have (on average 1.944872554831061) internal successors, (6562), 3386 states have internal predecessors, (6562), 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 03:40:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 6562 transitions. [2024-11-14 03:40:49,342 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 6562 transitions. Word has length 189 [2024-11-14 03:40:49,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:49,342 INFO L471 AbstractCegarLoop]: Abstraction has 3387 states and 6562 transitions. [2024-11-14 03:40:49,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 6562 transitions. [2024-11-14 03:40:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:49,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:49,344 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:49,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-14 03:40:49,345 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:49,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:49,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1819212981, now seen corresponding path program 43 times [2024-11-14 03:40:49,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:49,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602064600] [2024-11-14 03:40:49,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:49,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602064600] [2024-11-14 03:40:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602064600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:49,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:49,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63960902] [2024-11-14 03:40:49,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:49,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:49,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:49,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:49,708 INFO L87 Difference]: Start difference. First operand 3387 states and 6562 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:50,595 INFO L93 Difference]: Finished difference Result 9017 states and 17745 transitions. [2024-11-14 03:40:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:50,596 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:50,626 INFO L225 Difference]: With dead ends: 9017 [2024-11-14 03:40:50,626 INFO L226 Difference]: Without dead ends: 6444 [2024-11-14 03:40:50,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:50,631 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 375 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:50,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1558 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:40:50,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6444 states. [2024-11-14 03:40:50,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6444 to 3303. [2024-11-14 03:40:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 3290 states have (on average 1.9434650455927052) internal successors, (6394), 3302 states have internal predecessors, (6394), 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 03:40:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 6394 transitions. [2024-11-14 03:40:50,774 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 6394 transitions. Word has length 189 [2024-11-14 03:40:50,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:50,774 INFO L471 AbstractCegarLoop]: Abstraction has 3303 states and 6394 transitions. [2024-11-14 03:40:50,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 6394 transitions. [2024-11-14 03:40:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:50,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:50,775 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:50,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-14 03:40:50,776 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:50,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash 740474529, now seen corresponding path program 44 times [2024-11-14 03:40:50,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:50,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928304360] [2024-11-14 03:40:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:51,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:51,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928304360] [2024-11-14 03:40:51,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928304360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:51,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:51,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:51,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197974126] [2024-11-14 03:40:51,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:51,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:51,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:51,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:51,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:51,141 INFO L87 Difference]: Start difference. First operand 3303 states and 6394 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:52,106 INFO L93 Difference]: Finished difference Result 9965 states and 19660 transitions. [2024-11-14 03:40:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:52,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:52,141 INFO L225 Difference]: With dead ends: 9965 [2024-11-14 03:40:52,141 INFO L226 Difference]: Without dead ends: 7447 [2024-11-14 03:40:52,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:52,147 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 426 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:52,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1790 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:40:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2024-11-14 03:40:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 3313. [2024-11-14 03:40:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 3300 states have (on average 1.9436363636363636) internal successors, (6414), 3312 states have internal predecessors, (6414), 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 03:40:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 6414 transitions. [2024-11-14 03:40:52,305 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 6414 transitions. Word has length 189 [2024-11-14 03:40:52,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:52,306 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 6414 transitions. [2024-11-14 03:40:52,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 6414 transitions. [2024-11-14 03:40:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:52,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:52,308 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:52,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-14 03:40:52,308 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:52,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1902678745, now seen corresponding path program 45 times [2024-11-14 03:40:52,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:52,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600145761] [2024-11-14 03:40:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:52,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:52,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600145761] [2024-11-14 03:40:52,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600145761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:52,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:52,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:40:52,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875313232] [2024-11-14 03:40:52,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:52,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:40:52,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:52,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:40:52,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:40:52,770 INFO L87 Difference]: Start difference. First operand 3313 states and 6414 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:53,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:53,804 INFO L93 Difference]: Finished difference Result 10031 states and 19773 transitions. [2024-11-14 03:40:53,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:40:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:53,842 INFO L225 Difference]: With dead ends: 10031 [2024-11-14 03:40:53,842 INFO L226 Difference]: Without dead ends: 7513 [2024-11-14 03:40:53,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:40:53,848 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 400 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:53,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1811 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:40:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7513 states. [2024-11-14 03:40:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7513 to 3311. [2024-11-14 03:40:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3298 states have (on average 1.9436021831412977) internal successors, (6410), 3310 states have internal predecessors, (6410), 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 03:40:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 6410 transitions. [2024-11-14 03:40:54,008 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 6410 transitions. Word has length 189 [2024-11-14 03:40:54,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:54,008 INFO L471 AbstractCegarLoop]: Abstraction has 3311 states and 6410 transitions. [2024-11-14 03:40:54,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:40:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 6410 transitions. [2024-11-14 03:40:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:40:54,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:54,010 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:40:54,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-14 03:40:54,010 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:40:54,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1486692417, now seen corresponding path program 46 times [2024-11-14 03:40:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043134804] [2024-11-14 03:40:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:40:55,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:40:55,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043134804] [2024-11-14 03:40:55,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043134804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:55,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:55,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:40:55,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187057418] [2024-11-14 03:40:55,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:55,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:40:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:55,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:40:55,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:40:55,023 INFO L87 Difference]: Start difference. First operand 3311 states and 6410 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:40:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:59,775 INFO L93 Difference]: Finished difference Result 10182 states and 20067 transitions. [2024-11-14 03:40:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 03:40:59,776 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:40:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:59,815 INFO L225 Difference]: With dead ends: 10182 [2024-11-14 03:40:59,815 INFO L226 Difference]: Without dead ends: 10119 [2024-11-14 03:40:59,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=962, Invalid=2460, Unknown=0, NotChecked=0, Total=3422 [2024-11-14 03:40:59,819 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 1314 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 3770 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 2401 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 3770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:59,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 2401 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 3770 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-14 03:40:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10119 states. [2024-11-14 03:41:00,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10119 to 3410. [2024-11-14 03:41:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3397 states have (on average 1.9452458051221666) internal successors, (6608), 3409 states have internal predecessors, (6608), 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 03:41:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 6608 transitions. [2024-11-14 03:41:00,053 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 6608 transitions. Word has length 189 [2024-11-14 03:41:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:00,053 INFO L471 AbstractCegarLoop]: Abstraction has 3410 states and 6608 transitions. [2024-11-14 03:41:00,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 6608 transitions. [2024-11-14 03:41:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:00,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:00,056 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:00,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-14 03:41:00,056 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:00,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1378613397, now seen corresponding path program 47 times [2024-11-14 03:41:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:00,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318100605] [2024-11-14 03:41:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:00,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:00,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:00,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318100605] [2024-11-14 03:41:00,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318100605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:00,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:00,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:00,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718779577] [2024-11-14 03:41:00,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:00,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:00,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:00,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:00,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:00,550 INFO L87 Difference]: Start difference. First operand 3410 states and 6608 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:01,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:01,483 INFO L93 Difference]: Finished difference Result 10923 states and 21538 transitions. [2024-11-14 03:41:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:01,484 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:01,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:01,522 INFO L225 Difference]: With dead ends: 10923 [2024-11-14 03:41:01,522 INFO L226 Difference]: Without dead ends: 8350 [2024-11-14 03:41:01,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:41:01,528 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 431 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:01,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1656 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:41:01,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8350 states. [2024-11-14 03:41:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8350 to 3313. [2024-11-14 03:41:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 3300 states have (on average 1.9436363636363636) internal successors, (6414), 3312 states have internal predecessors, (6414), 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 03:41:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 6414 transitions. [2024-11-14 03:41:01,688 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 6414 transitions. Word has length 189 [2024-11-14 03:41:01,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:01,689 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 6414 transitions. [2024-11-14 03:41:01,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 6414 transitions. [2024-11-14 03:41:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:01,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:01,690 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:01,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-14 03:41:01,691 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:01,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:01,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1945212829, now seen corresponding path program 48 times [2024-11-14 03:41:01,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:01,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846687930] [2024-11-14 03:41:01,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:01,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:02,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:02,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846687930] [2024-11-14 03:41:02,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846687930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:02,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:02,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:02,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066003036] [2024-11-14 03:41:02,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:02,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:02,660 INFO L87 Difference]: Start difference. First operand 3313 states and 6414 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:06,984 INFO L93 Difference]: Finished difference Result 9478 states and 18640 transitions. [2024-11-14 03:41:06,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-14 03:41:06,984 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:06,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:07,025 INFO L225 Difference]: With dead ends: 9478 [2024-11-14 03:41:07,025 INFO L226 Difference]: Without dead ends: 9415 [2024-11-14 03:41:07,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=808, Invalid=2054, Unknown=0, NotChecked=0, Total=2862 [2024-11-14 03:41:07,030 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 1129 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 3850 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:07,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 2372 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3850 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-14 03:41:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9415 states. [2024-11-14 03:41:07,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9415 to 3387. [2024-11-14 03:41:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3374 states have (on average 1.944872554831061) internal successors, (6562), 3386 states have internal predecessors, (6562), 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 03:41:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 6562 transitions. [2024-11-14 03:41:07,215 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 6562 transitions. Word has length 189 [2024-11-14 03:41:07,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:07,215 INFO L471 AbstractCegarLoop]: Abstraction has 3387 states and 6562 transitions. [2024-11-14 03:41:07,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:07,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 6562 transitions. [2024-11-14 03:41:07,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:07,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:07,217 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:07,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-14 03:41:07,217 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:07,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:07,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1837133809, now seen corresponding path program 49 times [2024-11-14 03:41:07,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:07,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179864044] [2024-11-14 03:41:07,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:07,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:07,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:07,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179864044] [2024-11-14 03:41:07,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179864044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:07,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:07,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:07,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956833027] [2024-11-14 03:41:07,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:07,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:07,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:07,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:07,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:07,598 INFO L87 Difference]: Start difference. First operand 3387 states and 6562 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:08,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:08,585 INFO L93 Difference]: Finished difference Result 10275 states and 20223 transitions. [2024-11-14 03:41:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:08,586 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:08,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:08,624 INFO L225 Difference]: With dead ends: 10275 [2024-11-14 03:41:08,624 INFO L226 Difference]: Without dead ends: 7702 [2024-11-14 03:41:08,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:41:08,630 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 384 mSDsluCounter, 1640 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:08,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 2026 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:41:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7702 states. [2024-11-14 03:41:08,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7702 to 3307. [2024-11-14 03:41:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 3294 states have (on average 1.9435336976320583) internal successors, (6402), 3306 states have internal predecessors, (6402), 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 03:41:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 6402 transitions. [2024-11-14 03:41:08,794 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 6402 transitions. Word has length 189 [2024-11-14 03:41:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:08,795 INFO L471 AbstractCegarLoop]: Abstraction has 3307 states and 6402 transitions. [2024-11-14 03:41:08,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 6402 transitions. [2024-11-14 03:41:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:08,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:08,796 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:08,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-14 03:41:08,796 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:08,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:08,797 INFO L85 PathProgramCache]: Analyzing trace with hash 128032979, now seen corresponding path program 50 times [2024-11-14 03:41:08,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:08,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555472792] [2024-11-14 03:41:08,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:08,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:09,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:09,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555472792] [2024-11-14 03:41:09,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555472792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:09,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:09,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:09,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593208505] [2024-11-14 03:41:09,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:09,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:09,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:09,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:09,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:09,744 INFO L87 Difference]: Start difference. First operand 3307 states and 6402 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:14,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:14,557 INFO L93 Difference]: Finished difference Result 9153 states and 18047 transitions. [2024-11-14 03:41:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:41:14,558 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:14,598 INFO L225 Difference]: With dead ends: 9153 [2024-11-14 03:41:14,598 INFO L226 Difference]: Without dead ends: 9090 [2024-11-14 03:41:14,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=806, Invalid=2164, Unknown=0, NotChecked=0, Total=2970 [2024-11-14 03:41:14,601 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 1264 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 4556 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 2616 SdHoareTripleChecker+Invalid, 4689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 4556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:14,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 2616 Invalid, 4689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 4556 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-14 03:41:14,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9090 states. [2024-11-14 03:41:14,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9090 to 3434. [2024-11-14 03:41:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 3421 states have (on average 1.9456299327681965) internal successors, (6656), 3433 states have internal predecessors, (6656), 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 03:41:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 6656 transitions. [2024-11-14 03:41:14,780 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 6656 transitions. Word has length 189 [2024-11-14 03:41:14,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:14,780 INFO L471 AbstractCegarLoop]: Abstraction has 3434 states and 6656 transitions. [2024-11-14 03:41:14,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 6656 transitions. [2024-11-14 03:41:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:14,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:14,782 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:14,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-14 03:41:14,782 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:14,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:14,782 INFO L85 PathProgramCache]: Analyzing trace with hash 236111999, now seen corresponding path program 51 times [2024-11-14 03:41:14,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:14,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364134320] [2024-11-14 03:41:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:14,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:15,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:15,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364134320] [2024-11-14 03:41:15,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364134320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:15,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:15,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:15,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923185719] [2024-11-14 03:41:15,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:15,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:15,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:15,095 INFO L87 Difference]: Start difference. First operand 3434 states and 6656 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:16,047 INFO L93 Difference]: Finished difference Result 9911 states and 19552 transitions. [2024-11-14 03:41:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:16,048 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:16,085 INFO L225 Difference]: With dead ends: 9911 [2024-11-14 03:41:16,085 INFO L226 Difference]: Without dead ends: 7338 [2024-11-14 03:41:16,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:41:16,091 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 388 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:16,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1654 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:41:16,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7338 states. [2024-11-14 03:41:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7338 to 3309. [2024-11-14 03:41:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3296 states have (on average 1.9435679611650485) internal successors, (6406), 3308 states have internal predecessors, (6406), 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 03:41:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 6406 transitions. [2024-11-14 03:41:16,257 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 6406 transitions. Word has length 189 [2024-11-14 03:41:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:16,257 INFO L471 AbstractCegarLoop]: Abstraction has 3309 states and 6406 transitions. [2024-11-14 03:41:16,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 6406 transitions. [2024-11-14 03:41:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:16,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:16,259 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:16,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-14 03:41:16,259 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:16,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1163180845, now seen corresponding path program 52 times [2024-11-14 03:41:16,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:16,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436981073] [2024-11-14 03:41:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:16,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:17,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:17,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436981073] [2024-11-14 03:41:17,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436981073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:17,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:17,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10958294] [2024-11-14 03:41:17,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:17,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:17,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:17,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:17,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:17,148 INFO L87 Difference]: Start difference. First operand 3309 states and 6406 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:21,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:21,806 INFO L93 Difference]: Finished difference Result 9205 states and 18132 transitions. [2024-11-14 03:41:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 03:41:21,806 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:21,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:21,847 INFO L225 Difference]: With dead ends: 9205 [2024-11-14 03:41:21,847 INFO L226 Difference]: Without dead ends: 9142 [2024-11-14 03:41:21,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=963, Invalid=2459, Unknown=0, NotChecked=0, Total=3422 [2024-11-14 03:41:21,851 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 1348 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 3802 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 3939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:21,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1348 Valid, 2283 Invalid, 3939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 3802 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-14 03:41:21,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9142 states. [2024-11-14 03:41:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9142 to 3408. [2024-11-14 03:41:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3408 states, 3395 states have (on average 1.9452135493372607) internal successors, (6604), 3407 states have internal predecessors, (6604), 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 03:41:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 6604 transitions. [2024-11-14 03:41:22,022 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 6604 transitions. Word has length 189 [2024-11-14 03:41:22,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:22,022 INFO L471 AbstractCegarLoop]: Abstraction has 3408 states and 6604 transitions. [2024-11-14 03:41:22,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 6604 transitions. [2024-11-14 03:41:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:22,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:22,024 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:22,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-14 03:41:22,024 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:22,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:22,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1271259865, now seen corresponding path program 53 times [2024-11-14 03:41:22,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:22,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634818370] [2024-11-14 03:41:22,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:22,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:22,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634818370] [2024-11-14 03:41:22,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634818370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:22,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:22,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:22,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881026652] [2024-11-14 03:41:22,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:22,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:22,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:22,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:22,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:22,325 INFO L87 Difference]: Start difference. First operand 3408 states and 6604 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:23,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:23,333 INFO L93 Difference]: Finished difference Result 10002 states and 19715 transitions. [2024-11-14 03:41:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:23,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:23,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:23,372 INFO L225 Difference]: With dead ends: 10002 [2024-11-14 03:41:23,373 INFO L226 Difference]: Without dead ends: 7429 [2024-11-14 03:41:23,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:41:23,378 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 384 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:23,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1674 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:41:23,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2024-11-14 03:41:23,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 3311. [2024-11-14 03:41:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3298 states have (on average 1.9436021831412977) internal successors, (6410), 3310 states have internal predecessors, (6410), 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 03:41:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 6410 transitions. [2024-11-14 03:41:23,549 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 6410 transitions. Word has length 189 [2024-11-14 03:41:23,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:23,549 INFO L471 AbstractCegarLoop]: Abstraction has 3311 states and 6410 transitions. [2024-11-14 03:41:23,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 6410 transitions. [2024-11-14 03:41:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:23,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:23,551 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:23,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-14 03:41:23,551 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:23,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:23,551 INFO L85 PathProgramCache]: Analyzing trace with hash 129205407, now seen corresponding path program 54 times [2024-11-14 03:41:23,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:23,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399710036] [2024-11-14 03:41:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:23,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:24,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:24,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399710036] [2024-11-14 03:41:24,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399710036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:24,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:24,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:24,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491465060] [2024-11-14 03:41:24,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:24,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:24,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:24,454 INFO L87 Difference]: Start difference. First operand 3311 states and 6410 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:28,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:28,389 INFO L93 Difference]: Finished difference Result 8360 states and 16442 transitions. [2024-11-14 03:41:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:41:28,389 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:28,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:28,428 INFO L225 Difference]: With dead ends: 8360 [2024-11-14 03:41:28,428 INFO L226 Difference]: Without dead ends: 8297 [2024-11-14 03:41:28,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=1771, Unknown=0, NotChecked=0, Total=2450 [2024-11-14 03:41:28,432 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 1102 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 3621 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:28,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 2149 Invalid, 3730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 3621 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-14 03:41:28,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8297 states. [2024-11-14 03:41:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8297 to 3385. [2024-11-14 03:41:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3385 states, 3372 states have (on average 1.9448398576512456) internal successors, (6558), 3384 states have internal predecessors, (6558), 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 03:41:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3385 states and 6558 transitions. [2024-11-14 03:41:28,608 INFO L78 Accepts]: Start accepts. Automaton has 3385 states and 6558 transitions. Word has length 189 [2024-11-14 03:41:28,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:28,608 INFO L471 AbstractCegarLoop]: Abstraction has 3385 states and 6558 transitions. [2024-11-14 03:41:28,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 6558 transitions. [2024-11-14 03:41:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:28,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:28,610 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:28,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-14 03:41:28,610 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:28,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:28,610 INFO L85 PathProgramCache]: Analyzing trace with hash 237284427, now seen corresponding path program 55 times [2024-11-14 03:41:28,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:28,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722085202] [2024-11-14 03:41:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:28,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:28,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722085202] [2024-11-14 03:41:28,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722085202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:28,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:28,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:28,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914200517] [2024-11-14 03:41:28,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:28,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:28,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:28,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:28,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:28,940 INFO L87 Difference]: Start difference. First operand 3385 states and 6558 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:30,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:30,014 INFO L93 Difference]: Finished difference Result 9183 states and 18077 transitions. [2024-11-14 03:41:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:30,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:30,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:30,053 INFO L225 Difference]: With dead ends: 9183 [2024-11-14 03:41:30,053 INFO L226 Difference]: Without dead ends: 6610 [2024-11-14 03:41:30,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:41:30,065 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 353 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:30,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 1668 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:41:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6610 states. [2024-11-14 03:41:30,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6610 to 3299. [2024-11-14 03:41:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 3286 states have (on average 1.9433962264150944) internal successors, (6386), 3298 states have internal predecessors, (6386), 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 03:41:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 6386 transitions. [2024-11-14 03:41:30,287 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 6386 transitions. Word has length 189 [2024-11-14 03:41:30,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:30,287 INFO L471 AbstractCegarLoop]: Abstraction has 3299 states and 6386 transitions. [2024-11-14 03:41:30,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 6386 transitions. [2024-11-14 03:41:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:30,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:30,289 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:30,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-14 03:41:30,289 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:30,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:30,289 INFO L85 PathProgramCache]: Analyzing trace with hash -425782333, now seen corresponding path program 56 times [2024-11-14 03:41:30,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:30,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354340827] [2024-11-14 03:41:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:30,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:30,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354340827] [2024-11-14 03:41:30,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354340827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:30,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:30,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:30,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257341831] [2024-11-14 03:41:30,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:30,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:30,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:30,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:30,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:30,734 INFO L87 Difference]: Start difference. First operand 3299 states and 6386 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:31,670 INFO L93 Difference]: Finished difference Result 8496 states and 16760 transitions. [2024-11-14 03:41:31,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:31,670 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:31,707 INFO L225 Difference]: With dead ends: 8496 [2024-11-14 03:41:31,708 INFO L226 Difference]: Without dead ends: 5978 [2024-11-14 03:41:31,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:41:31,713 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 410 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1911 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:31,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1911 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:41:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5978 states. [2024-11-14 03:41:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5978 to 3315. [2024-11-14 03:41:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 3302 states have (on average 1.943670502725621) internal successors, (6418), 3314 states have internal predecessors, (6418), 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 03:41:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 6418 transitions. [2024-11-14 03:41:31,878 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 6418 transitions. Word has length 189 [2024-11-14 03:41:31,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:31,878 INFO L471 AbstractCegarLoop]: Abstraction has 3315 states and 6418 transitions. [2024-11-14 03:41:31,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 6418 transitions. [2024-11-14 03:41:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:31,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:31,880 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:31,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-14 03:41:31,880 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:31,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:31,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1226031689, now seen corresponding path program 57 times [2024-11-14 03:41:31,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:31,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072606743] [2024-11-14 03:41:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:31,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:32,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:32,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072606743] [2024-11-14 03:41:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072606743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:32,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:32,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472656043] [2024-11-14 03:41:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:32,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:32,198 INFO L87 Difference]: Start difference. First operand 3315 states and 6418 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:32,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:32,973 INFO L93 Difference]: Finished difference Result 8562 states and 16873 transitions. [2024-11-14 03:41:32,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:32,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:32,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:33,011 INFO L225 Difference]: With dead ends: 8562 [2024-11-14 03:41:33,012 INFO L226 Difference]: Without dead ends: 6044 [2024-11-14 03:41:33,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:41:33,017 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 397 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:33,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1510 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:41:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6044 states. [2024-11-14 03:41:33,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6044 to 3313. [2024-11-14 03:41:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 3300 states have (on average 1.9436363636363636) internal successors, (6414), 3312 states have internal predecessors, (6414), 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 03:41:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 6414 transitions. [2024-11-14 03:41:33,211 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 6414 transitions. Word has length 189 [2024-11-14 03:41:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:33,211 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 6414 transitions. [2024-11-14 03:41:33,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 6414 transitions. [2024-11-14 03:41:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:33,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:33,213 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:33,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-14 03:41:33,213 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:33,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:33,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1642018017, now seen corresponding path program 58 times [2024-11-14 03:41:33,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:33,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901763833] [2024-11-14 03:41:33,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:34,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:34,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901763833] [2024-11-14 03:41:34,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901763833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:34,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:34,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:34,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664199031] [2024-11-14 03:41:34,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:34,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:34,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:34,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:34,160 INFO L87 Difference]: Start difference. First operand 3313 states and 6414 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:38,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:38,449 INFO L93 Difference]: Finished difference Result 8645 states and 17031 transitions. [2024-11-14 03:41:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:41:38,450 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:38,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:38,490 INFO L225 Difference]: With dead ends: 8645 [2024-11-14 03:41:38,490 INFO L226 Difference]: Without dead ends: 8582 [2024-11-14 03:41:38,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=874, Invalid=2206, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 03:41:38,493 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 1297 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 3497 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 3628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:38,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 2253 Invalid, 3628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3497 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 03:41:38,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8582 states. [2024-11-14 03:41:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8582 to 3412. [2024-11-14 03:41:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3412 states, 3399 states have (on average 1.9452780229479258) internal successors, (6612), 3411 states have internal predecessors, (6612), 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 03:41:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 6612 transitions. [2024-11-14 03:41:38,672 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 6612 transitions. Word has length 189 [2024-11-14 03:41:38,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:38,672 INFO L471 AbstractCegarLoop]: Abstraction has 3412 states and 6612 transitions. [2024-11-14 03:41:38,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 6612 transitions. [2024-11-14 03:41:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:38,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:38,674 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:38,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-14 03:41:38,675 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:38,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:38,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1750097037, now seen corresponding path program 59 times [2024-11-14 03:41:38,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:38,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668586604] [2024-11-14 03:41:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:38,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:38,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668586604] [2024-11-14 03:41:38,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668586604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:38,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:38,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:38,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4213605] [2024-11-14 03:41:38,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:38,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:38,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:38,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:38,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:38,966 INFO L87 Difference]: Start difference. First operand 3412 states and 6612 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:39,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:39,840 INFO L93 Difference]: Finished difference Result 9454 states and 18638 transitions. [2024-11-14 03:41:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:39,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:39,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:39,880 INFO L225 Difference]: With dead ends: 9454 [2024-11-14 03:41:39,880 INFO L226 Difference]: Without dead ends: 6881 [2024-11-14 03:41:39,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:41:39,886 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 410 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:39,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1579 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:41:39,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6881 states. [2024-11-14 03:41:40,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6881 to 3315. [2024-11-14 03:41:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 3302 states have (on average 1.943670502725621) internal successors, (6418), 3314 states have internal predecessors, (6418), 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 03:41:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 6418 transitions. [2024-11-14 03:41:40,081 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 6418 transitions. Word has length 189 [2024-11-14 03:41:40,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:40,082 INFO L471 AbstractCegarLoop]: Abstraction has 3315 states and 6418 transitions. [2024-11-14 03:41:40,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 6418 transitions. [2024-11-14 03:41:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:40,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:40,083 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:40,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-14 03:41:40,083 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:40,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1183497605, now seen corresponding path program 60 times [2024-11-14 03:41:40,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:40,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675886477] [2024-11-14 03:41:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:40,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:41,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675886477] [2024-11-14 03:41:41,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675886477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:41,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:41,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474149144] [2024-11-14 03:41:41,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:41,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:41,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:41,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:41,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:41,123 INFO L87 Difference]: Start difference. First operand 3315 states and 6418 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:45,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:45,548 INFO L93 Difference]: Finished difference Result 7941 states and 15604 transitions. [2024-11-14 03:41:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:41:45,549 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:45,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:45,591 INFO L225 Difference]: With dead ends: 7941 [2024-11-14 03:41:45,591 INFO L226 Difference]: Without dead ends: 7878 [2024-11-14 03:41:45,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=725, Invalid=1825, Unknown=0, NotChecked=0, Total=2550 [2024-11-14 03:41:45,594 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 1019 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 4285 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 2601 SdHoareTripleChecker+Invalid, 4390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 4285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:45,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 2601 Invalid, 4390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 4285 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-14 03:41:45,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7878 states. [2024-11-14 03:41:45,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7878 to 3389. [2024-11-14 03:41:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 3376 states have (on average 1.944905213270142) internal successors, (6566), 3388 states have internal predecessors, (6566), 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 03:41:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 6566 transitions. [2024-11-14 03:41:45,779 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 6566 transitions. Word has length 189 [2024-11-14 03:41:45,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:45,779 INFO L471 AbstractCegarLoop]: Abstraction has 3389 states and 6566 transitions. [2024-11-14 03:41:45,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 6566 transitions. [2024-11-14 03:41:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:45,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:45,781 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:45,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-14 03:41:45,781 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:45,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:45,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1291576625, now seen corresponding path program 61 times [2024-11-14 03:41:45,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959055671] [2024-11-14 03:41:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:45,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:46,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:46,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959055671] [2024-11-14 03:41:46,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959055671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:46,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:46,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:46,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220547252] [2024-11-14 03:41:46,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:46,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:46,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:46,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:46,157 INFO L87 Difference]: Start difference. First operand 3389 states and 6566 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:46,958 INFO L93 Difference]: Finished difference Result 8806 states and 17323 transitions. [2024-11-14 03:41:46,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:46,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:46,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:47,000 INFO L225 Difference]: With dead ends: 8806 [2024-11-14 03:41:47,001 INFO L226 Difference]: Without dead ends: 6233 [2024-11-14 03:41:47,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:41:47,006 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 390 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:47,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1550 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:41:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2024-11-14 03:41:47,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 3309. [2024-11-14 03:41:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3296 states have (on average 1.9435679611650485) internal successors, (6406), 3308 states have internal predecessors, (6406), 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 03:41:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 6406 transitions. [2024-11-14 03:41:47,184 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 6406 transitions. Word has length 189 [2024-11-14 03:41:47,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:47,184 INFO L471 AbstractCegarLoop]: Abstraction has 3309 states and 6406 transitions. [2024-11-14 03:41:47,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 6406 transitions. [2024-11-14 03:41:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:47,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:47,185 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:47,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-14 03:41:47,186 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:47,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1038223883, now seen corresponding path program 62 times [2024-11-14 03:41:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:47,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836596923] [2024-11-14 03:41:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:48,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:48,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836596923] [2024-11-14 03:41:48,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836596923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:48,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:48,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:48,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352301003] [2024-11-14 03:41:48,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:48,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:48,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:48,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:48,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:48,092 INFO L87 Difference]: Start difference. First operand 3309 states and 6406 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:52,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:52,366 INFO L93 Difference]: Finished difference Result 8908 states and 17557 transitions. [2024-11-14 03:41:52,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:41:52,366 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:52,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:52,411 INFO L225 Difference]: With dead ends: 8908 [2024-11-14 03:41:52,411 INFO L226 Difference]: Without dead ends: 8845 [2024-11-14 03:41:52,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=842, Invalid=2238, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 03:41:52,414 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 1315 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 3593 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:52,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 2203 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3593 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 03:41:52,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8845 states. [2024-11-14 03:41:52,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8845 to 3436. [2024-11-14 03:41:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3436 states, 3423 states have (on average 1.9456617002629273) internal successors, (6660), 3435 states have internal predecessors, (6660), 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 03:41:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 6660 transitions. [2024-11-14 03:41:52,651 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 6660 transitions. Word has length 189 [2024-11-14 03:41:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:52,651 INFO L471 AbstractCegarLoop]: Abstraction has 3436 states and 6660 transitions. [2024-11-14 03:41:52,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 6660 transitions. [2024-11-14 03:41:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:52,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:52,653 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:52,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-11-14 03:41:52,653 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:52,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash -930144863, now seen corresponding path program 63 times [2024-11-14 03:41:52,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:52,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011711587] [2024-11-14 03:41:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:52,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:52,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:52,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011711587] [2024-11-14 03:41:52,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011711587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:52,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:52,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:41:52,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757517415] [2024-11-14 03:41:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:52,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:41:52,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:52,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:41:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:41:52,967 INFO L87 Difference]: Start difference. First operand 3436 states and 6660 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:54,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:54,060 INFO L93 Difference]: Finished difference Result 9678 states and 19086 transitions. [2024-11-14 03:41:54,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:41:54,061 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:54,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:54,105 INFO L225 Difference]: With dead ends: 9678 [2024-11-14 03:41:54,105 INFO L226 Difference]: Without dead ends: 7105 [2024-11-14 03:41:54,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:41:54,112 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 351 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:54,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1725 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:41:54,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7105 states. [2024-11-14 03:41:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7105 to 3311. [2024-11-14 03:41:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3298 states have (on average 1.9436021831412977) internal successors, (6410), 3310 states have internal predecessors, (6410), 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 03:41:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 6410 transitions. [2024-11-14 03:41:54,296 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 6410 transitions. Word has length 189 [2024-11-14 03:41:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:54,297 INFO L471 AbstractCegarLoop]: Abstraction has 3311 states and 6410 transitions. [2024-11-14 03:41:54,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:41:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 6410 transitions. [2024-11-14 03:41:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:54,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:54,298 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:54,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-11-14 03:41:54,298 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:54,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:54,299 INFO L85 PathProgramCache]: Analyzing trace with hash -3076017, now seen corresponding path program 64 times [2024-11-14 03:41:54,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:54,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141166089] [2024-11-14 03:41:54,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:54,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:41:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:41:55,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:41:55,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141166089] [2024-11-14 03:41:55,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141166089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:41:55,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:41:55,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:41:55,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083250348] [2024-11-14 03:41:55,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:41:55,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:41:55,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:41:55,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:41:55,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:41:55,328 INFO L87 Difference]: Start difference. First operand 3311 states and 6410 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:41:59,690 INFO L93 Difference]: Finished difference Result 8960 states and 17642 transitions. [2024-11-14 03:41:59,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 03:41:59,690 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:41:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:41:59,736 INFO L225 Difference]: With dead ends: 8960 [2024-11-14 03:41:59,736 INFO L226 Difference]: Without dead ends: 8897 [2024-11-14 03:41:59,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1003, Invalid=2537, Unknown=0, NotChecked=0, Total=3540 [2024-11-14 03:41:59,740 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 1283 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 3498 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 3629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:41:59,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 2196 Invalid, 3629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3498 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-14 03:41:59,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8897 states. [2024-11-14 03:41:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8897 to 3410. [2024-11-14 03:41:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3397 states have (on average 1.9452458051221666) internal successors, (6608), 3409 states have internal predecessors, (6608), 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 03:41:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 6608 transitions. [2024-11-14 03:41:59,990 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 6608 transitions. Word has length 189 [2024-11-14 03:41:59,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:41:59,990 INFO L471 AbstractCegarLoop]: Abstraction has 3410 states and 6608 transitions. [2024-11-14 03:41:59,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:41:59,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 6608 transitions. [2024-11-14 03:41:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:41:59,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:59,992 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:41:59,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-14 03:41:59,992 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:41:59,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:59,993 INFO L85 PathProgramCache]: Analyzing trace with hash 105003003, now seen corresponding path program 65 times [2024-11-14 03:41:59,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:59,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10310509] [2024-11-14 03:41:59,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:59,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:00,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:00,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10310509] [2024-11-14 03:42:00,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10310509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:00,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:00,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:00,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042874298] [2024-11-14 03:42:00,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:00,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:42:00,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:42:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:00,297 INFO L87 Difference]: Start difference. First operand 3410 states and 6608 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:01,251 INFO L93 Difference]: Finished difference Result 9769 states and 19249 transitions. [2024-11-14 03:42:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:01,298 INFO L225 Difference]: With dead ends: 9769 [2024-11-14 03:42:01,298 INFO L226 Difference]: Without dead ends: 7196 [2024-11-14 03:42:01,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:01,309 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 393 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:01,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1498 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:42:01,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7196 states. [2024-11-14 03:42:01,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7196 to 3313. [2024-11-14 03:42:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 3300 states have (on average 1.9436363636363636) internal successors, (6414), 3312 states have internal predecessors, (6414), 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 03:42:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 6414 transitions. [2024-11-14 03:42:01,500 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 6414 transitions. Word has length 189 [2024-11-14 03:42:01,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:01,500 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 6414 transitions. [2024-11-14 03:42:01,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 6414 transitions. [2024-11-14 03:42:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:01,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:01,502 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:01,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-14 03:42:01,502 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:01,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:01,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1037051455, now seen corresponding path program 66 times [2024-11-14 03:42:01,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:01,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309702369] [2024-11-14 03:42:01,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:01,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:02,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:02,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309702369] [2024-11-14 03:42:02,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309702369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:02,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:02,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:42:02,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588228061] [2024-11-14 03:42:02,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:02,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:42:02,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:02,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:42:02,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:42:02,353 INFO L87 Difference]: Start difference. First operand 3313 states and 6414 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:06,314 INFO L93 Difference]: Finished difference Result 8115 states and 15952 transitions. [2024-11-14 03:42:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:42:06,315 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:06,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:06,358 INFO L225 Difference]: With dead ends: 8115 [2024-11-14 03:42:06,358 INFO L226 Difference]: Without dead ends: 8052 [2024-11-14 03:42:06,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=710, Invalid=1840, Unknown=0, NotChecked=0, Total=2550 [2024-11-14 03:42:06,362 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 1065 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 3445 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 2126 SdHoareTripleChecker+Invalid, 3546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:06,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 2126 Invalid, 3546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3445 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 03:42:06,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8052 states. [2024-11-14 03:42:06,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8052 to 3387. [2024-11-14 03:42:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3374 states have (on average 1.944872554831061) internal successors, (6562), 3386 states have internal predecessors, (6562), 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 03:42:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 6562 transitions. [2024-11-14 03:42:06,550 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 6562 transitions. Word has length 189 [2024-11-14 03:42:06,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:06,550 INFO L471 AbstractCegarLoop]: Abstraction has 3387 states and 6562 transitions. [2024-11-14 03:42:06,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 6562 transitions. [2024-11-14 03:42:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:06,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:06,552 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:06,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-14 03:42:06,552 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:06,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:06,552 INFO L85 PathProgramCache]: Analyzing trace with hash -928972435, now seen corresponding path program 67 times [2024-11-14 03:42:06,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:06,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349724585] [2024-11-14 03:42:06,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:06,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:06,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:06,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349724585] [2024-11-14 03:42:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349724585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:06,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:06,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:06,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904306471] [2024-11-14 03:42:06,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:06,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:42:06,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:06,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:42:06,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:06,880 INFO L87 Difference]: Start difference. First operand 3387 states and 6562 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:07,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:07,912 INFO L93 Difference]: Finished difference Result 8960 states and 17631 transitions. [2024-11-14 03:42:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:07,913 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:07,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:07,958 INFO L225 Difference]: With dead ends: 8960 [2024-11-14 03:42:07,958 INFO L226 Difference]: Without dead ends: 6387 [2024-11-14 03:42:07,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:07,964 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 358 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:07,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1757 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:42:07,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2024-11-14 03:42:08,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 3305. [2024-11-14 03:42:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3292 states have (on average 1.9434993924665858) internal successors, (6398), 3304 states have internal predecessors, (6398), 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 03:42:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 6398 transitions. [2024-11-14 03:42:08,143 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 6398 transitions. Word has length 189 [2024-11-14 03:42:08,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:08,143 INFO L471 AbstractCegarLoop]: Abstraction has 3305 states and 6398 transitions. [2024-11-14 03:42:08,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 6398 transitions. [2024-11-14 03:42:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:08,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:08,145 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:08,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-14 03:42:08,146 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:08,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:08,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2005220781, now seen corresponding path program 68 times [2024-11-14 03:42:08,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:08,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721065192] [2024-11-14 03:42:08,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:08,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:09,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:09,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721065192] [2024-11-14 03:42:09,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721065192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:09,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:09,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:42:09,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202042530] [2024-11-14 03:42:09,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:09,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:42:09,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:09,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:42:09,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:42:09,121 INFO L87 Difference]: Start difference. First operand 3305 states and 6398 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:13,559 INFO L93 Difference]: Finished difference Result 8468 states and 16715 transitions. [2024-11-14 03:42:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:42:13,560 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:13,606 INFO L225 Difference]: With dead ends: 8468 [2024-11-14 03:42:13,607 INFO L226 Difference]: Without dead ends: 8405 [2024-11-14 03:42:13,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=843, Invalid=2237, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 03:42:13,610 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1218 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:13,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 2169 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 3604 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-14 03:42:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8405 states. [2024-11-14 03:42:13,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8405 to 3435. [2024-11-14 03:42:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3435 states, 3422 states have (on average 1.945645821157218) internal successors, (6658), 3434 states have internal predecessors, (6658), 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 03:42:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 6658 transitions. [2024-11-14 03:42:13,820 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 6658 transitions. Word has length 189 [2024-11-14 03:42:13,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:13,821 INFO L471 AbstractCegarLoop]: Abstraction has 3435 states and 6658 transitions. [2024-11-14 03:42:13,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:13,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 6658 transitions. [2024-11-14 03:42:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:13,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:13,822 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:13,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-14 03:42:13,822 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:13,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:13,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1897141761, now seen corresponding path program 69 times [2024-11-14 03:42:13,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:13,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629851359] [2024-11-14 03:42:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:14,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:14,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629851359] [2024-11-14 03:42:14,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629851359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:14,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:14,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:14,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013286932] [2024-11-14 03:42:14,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:14,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:42:14,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:14,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:42:14,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:14,155 INFO L87 Difference]: Start difference. First operand 3435 states and 6658 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:15,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:15,211 INFO L93 Difference]: Finished difference Result 9250 states and 18268 transitions. [2024-11-14 03:42:15,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:15,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:15,256 INFO L225 Difference]: With dead ends: 9250 [2024-11-14 03:42:15,256 INFO L226 Difference]: Without dead ends: 6677 [2024-11-14 03:42:15,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:15,262 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 342 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:15,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1728 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 03:42:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2024-11-14 03:42:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 3310. [2024-11-14 03:42:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 3297 states have (on average 1.9435850773430392) internal successors, (6408), 3309 states have internal predecessors, (6408), 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 03:42:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 6408 transitions. [2024-11-14 03:42:15,453 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 6408 transitions. Word has length 189 [2024-11-14 03:42:15,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:15,453 INFO L471 AbstractCegarLoop]: Abstraction has 3310 states and 6408 transitions. [2024-11-14 03:42:15,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 6408 transitions. [2024-11-14 03:42:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:15,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:15,455 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:15,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-14 03:42:15,455 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:15,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:15,455 INFO L85 PathProgramCache]: Analyzing trace with hash -970072915, now seen corresponding path program 70 times [2024-11-14 03:42:15,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:15,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421812767] [2024-11-14 03:42:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:15,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:16,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:16,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421812767] [2024-11-14 03:42:16,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421812767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:16,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:16,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:42:16,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780202829] [2024-11-14 03:42:16,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:16,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:42:16,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:42:16,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:42:16,405 INFO L87 Difference]: Start difference. First operand 3310 states and 6408 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:21,019 INFO L93 Difference]: Finished difference Result 8410 states and 16580 transitions. [2024-11-14 03:42:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-14 03:42:21,020 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:21,066 INFO L225 Difference]: With dead ends: 8410 [2024-11-14 03:42:21,066 INFO L226 Difference]: Without dead ends: 8347 [2024-11-14 03:42:21,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=867, Invalid=2213, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 03:42:21,070 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 1289 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 3745 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:21,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 2234 Invalid, 3870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3745 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-14 03:42:21,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8347 states. [2024-11-14 03:42:21,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8347 to 3409. [2024-11-14 03:42:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3396 states have (on average 1.9452296819787986) internal successors, (6606), 3408 states have internal predecessors, (6606), 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 03:42:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 6606 transitions. [2024-11-14 03:42:21,269 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 6606 transitions. Word has length 189 [2024-11-14 03:42:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:21,269 INFO L471 AbstractCegarLoop]: Abstraction has 3409 states and 6606 transitions. [2024-11-14 03:42:21,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 6606 transitions. [2024-11-14 03:42:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:21,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:21,271 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:21,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-14 03:42:21,271 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:21,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:21,271 INFO L85 PathProgramCache]: Analyzing trace with hash -861993895, now seen corresponding path program 71 times [2024-11-14 03:42:21,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:21,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507070402] [2024-11-14 03:42:21,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:21,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:21,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:21,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507070402] [2024-11-14 03:42:21,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507070402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:21,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:21,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:21,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341549450] [2024-11-14 03:42:21,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:21,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:42:21,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:21,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:42:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:21,593 INFO L87 Difference]: Start difference. First operand 3409 states and 6606 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:22,542 INFO L93 Difference]: Finished difference Result 9231 states and 18211 transitions. [2024-11-14 03:42:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:22,542 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:22,586 INFO L225 Difference]: With dead ends: 9231 [2024-11-14 03:42:22,586 INFO L226 Difference]: Without dead ends: 6658 [2024-11-14 03:42:22,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:22,591 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 384 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:22,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1709 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:42:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6658 states. [2024-11-14 03:42:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6658 to 3312. [2024-11-14 03:42:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3299 states have (on average 1.9436192785692634) internal successors, (6412), 3311 states have internal predecessors, (6412), 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 03:42:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 6412 transitions. [2024-11-14 03:42:22,779 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 6412 transitions. Word has length 189 [2024-11-14 03:42:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:22,780 INFO L471 AbstractCegarLoop]: Abstraction has 3312 states and 6412 transitions. [2024-11-14 03:42:22,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 6412 transitions. [2024-11-14 03:42:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:22,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:22,781 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:22,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-14 03:42:22,782 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:22,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:22,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2004048353, now seen corresponding path program 72 times [2024-11-14 03:42:22,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:22,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664946346] [2024-11-14 03:42:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:22,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:23,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:23,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664946346] [2024-11-14 03:42:23,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664946346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:23,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:23,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:42:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554526623] [2024-11-14 03:42:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:23,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:42:23,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:23,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:42:23,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:42:23,666 INFO L87 Difference]: Start difference. First operand 3312 states and 6412 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:27,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:27,865 INFO L93 Difference]: Finished difference Result 7789 states and 15346 transitions. [2024-11-14 03:42:27,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:42:27,866 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:27,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:27,910 INFO L225 Difference]: With dead ends: 7789 [2024-11-14 03:42:27,910 INFO L226 Difference]: Without dead ends: 7726 [2024-11-14 03:42:27,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=726, Invalid=1824, Unknown=0, NotChecked=0, Total=2550 [2024-11-14 03:42:27,913 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 1268 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 3780 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 3894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:27,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 2224 Invalid, 3894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3780 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 03:42:27,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7726 states. [2024-11-14 03:42:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7726 to 3528. [2024-11-14 03:42:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3515 states have (on average 1.9470839260312944) internal successors, (6844), 3527 states have internal predecessors, (6844), 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 03:42:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 6844 transitions. [2024-11-14 03:42:28,117 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 6844 transitions. Word has length 189 [2024-11-14 03:42:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:28,118 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 6844 transitions. [2024-11-14 03:42:28,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 6844 transitions. [2024-11-14 03:42:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:28,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:28,119 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:28,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-14 03:42:28,119 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:28,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:28,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1895969333, now seen corresponding path program 73 times [2024-11-14 03:42:28,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:28,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221752246] [2024-11-14 03:42:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:28,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:28,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221752246] [2024-11-14 03:42:28,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221752246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:28,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:28,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:28,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582507546] [2024-11-14 03:42:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:28,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:42:28,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:28,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:42:28,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:28,475 INFO L87 Difference]: Start difference. First operand 3528 states and 6844 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:29,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:29,600 INFO L93 Difference]: Finished difference Result 8568 states and 16885 transitions. [2024-11-14 03:42:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:29,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:29,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:29,674 INFO L225 Difference]: With dead ends: 8568 [2024-11-14 03:42:29,674 INFO L226 Difference]: Without dead ends: 5995 [2024-11-14 03:42:29,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:29,682 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 485 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:29,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1364 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:42:29,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5995 states. [2024-11-14 03:42:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5995 to 3463. [2024-11-14 03:42:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3463 states, 3450 states have (on average 1.9460869565217391) internal successors, (6714), 3462 states have internal predecessors, (6714), 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 03:42:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 6714 transitions. [2024-11-14 03:42:29,997 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 6714 transitions. Word has length 189 [2024-11-14 03:42:29,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:29,997 INFO L471 AbstractCegarLoop]: Abstraction has 3463 states and 6714 transitions. [2024-11-14 03:42:29,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 6714 transitions. [2024-11-14 03:42:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:29,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:30,000 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:30,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-14 03:42:30,000 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:30,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash 515530677, now seen corresponding path program 74 times [2024-11-14 03:42:30,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:30,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736852494] [2024-11-14 03:42:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:30,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:30,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736852494] [2024-11-14 03:42:30,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736852494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:30,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:30,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-14 03:42:30,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888424134] [2024-11-14 03:42:30,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:30,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:42:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:30,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:42:30,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:42:30,880 INFO L87 Difference]: Start difference. First operand 3463 states and 6714 transitions. Second operand has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:34,753 INFO L93 Difference]: Finished difference Result 7588 states and 14910 transitions. [2024-11-14 03:42:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-14 03:42:34,753 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:34,800 INFO L225 Difference]: With dead ends: 7588 [2024-11-14 03:42:34,800 INFO L226 Difference]: Without dead ends: 7525 [2024-11-14 03:42:34,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=699, Invalid=1953, Unknown=0, NotChecked=0, Total=2652 [2024-11-14 03:42:34,804 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 1286 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 3333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:34,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 2034 Invalid, 3333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-14 03:42:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7525 states. [2024-11-14 03:42:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7525 to 3475. [2024-11-14 03:42:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3475 states, 3462 states have (on average 1.9462738301559792) internal successors, (6738), 3474 states have internal predecessors, (6738), 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 03:42:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 6738 transitions. [2024-11-14 03:42:35,025 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 6738 transitions. Word has length 189 [2024-11-14 03:42:35,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:35,025 INFO L471 AbstractCegarLoop]: Abstraction has 3475 states and 6738 transitions. [2024-11-14 03:42:35,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.6) internal successors, (144), 16 states have internal predecessors, (144), 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 03:42:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 6738 transitions. [2024-11-14 03:42:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 03:42:35,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:35,026 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:35,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-11-14 03:42:35,026 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:35,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:35,027 INFO L85 PathProgramCache]: Analyzing trace with hash 623609697, now seen corresponding path program 75 times [2024-11-14 03:42:35,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:35,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667223652] [2024-11-14 03:42:35,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:35,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:35,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667223652] [2024-11-14 03:42:35,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667223652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:35,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:35,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852783187] [2024-11-14 03:42:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:35,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:42:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:42:35,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:42:35,336 INFO L87 Difference]: Start difference. First operand 3475 states and 6738 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:36,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:36,296 INFO L93 Difference]: Finished difference Result 8392 states and 16552 transitions. [2024-11-14 03:42:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:36,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 189 [2024-11-14 03:42:36,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:36,341 INFO L225 Difference]: With dead ends: 8392 [2024-11-14 03:42:36,341 INFO L226 Difference]: Without dead ends: 5819 [2024-11-14 03:42:36,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:36,346 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 351 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:36,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1589 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:42:36,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5819 states. [2024-11-14 03:42:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5819 to 3365. [2024-11-14 03:42:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3365 states, 3352 states have (on average 1.944510739856802) internal successors, (6518), 3364 states have internal predecessors, (6518), 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 03:42:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3365 states and 6518 transitions. [2024-11-14 03:42:36,530 INFO L78 Accepts]: Start accepts. Automaton has 3365 states and 6518 transitions. Word has length 189 [2024-11-14 03:42:36,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:36,531 INFO L471 AbstractCegarLoop]: Abstraction has 3365 states and 6518 transitions. [2024-11-14 03:42:36,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 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 03:42:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 6518 transitions. [2024-11-14 03:42:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-14 03:42:36,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:36,532 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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 03:42:36,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-11-14 03:42:36,532 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:36,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:36,532 INFO L85 PathProgramCache]: Analyzing trace with hash -893745874, now seen corresponding path program 1 times [2024-11-14 03:42:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:36,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792986762] [2024-11-14 03:42:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:36,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:36,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:36,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792986762] [2024-11-14 03:42:36,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792986762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:42:36,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959289432] [2024-11-14 03:42:36,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:36,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:42:36,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:42:36,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:42:36,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 03:42:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:36,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:42:36,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:42:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:36,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:42:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:37,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959289432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:42:37,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1227589315] [2024-11-14 03:42:37,049 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:42:37,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:42:37,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 03:42:37,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745564335] [2024-11-14 03:42:37,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:42:37,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:42:37,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:37,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:42:37,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:42:37,052 INFO L87 Difference]: Start difference. First operand 3365 states and 6518 transitions. Second operand has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 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 03:42:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:37,476 INFO L93 Difference]: Finished difference Result 7637 states and 15089 transitions. [2024-11-14 03:42:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:42:37,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 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 197 [2024-11-14 03:42:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:37,532 INFO L225 Difference]: With dead ends: 7637 [2024-11-14 03:42:37,532 INFO L226 Difference]: Without dead ends: 6691 [2024-11-14 03:42:37,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:42:37,535 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 675 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:37,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1064 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:42:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2024-11-14 03:42:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6529. [2024-11-14 03:42:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6529 states, 6516 states have (on average 1.996316758747698) internal successors, (13008), 6528 states have internal predecessors, (13008), 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 03:42:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6529 states to 6529 states and 13008 transitions. [2024-11-14 03:42:37,825 INFO L78 Accepts]: Start accepts. Automaton has 6529 states and 13008 transitions. Word has length 197 [2024-11-14 03:42:37,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:37,825 INFO L471 AbstractCegarLoop]: Abstraction has 6529 states and 13008 transitions. [2024-11-14 03:42:37,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 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 03:42:37,825 INFO L276 IsEmpty]: Start isEmpty. Operand 6529 states and 13008 transitions. [2024-11-14 03:42:37,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-14 03:42:37,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:37,829 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:42:37,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 03:42:38,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:42:38,030 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:42:38,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:38,030 INFO L85 PathProgramCache]: Analyzing trace with hash -274536115, now seen corresponding path program 1 times [2024-11-14 03:42:38,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:38,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106086164] [2024-11-14 03:42:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:38,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:38,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:38,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106086164] [2024-11-14 03:42:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106086164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:42:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465757820] [2024-11-14 03:42:38,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:42:38,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:42:38,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:42:38,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 03:42:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:39,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 03:42:39,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:42:39,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:42:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:39,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:42:40,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-14 03:42:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:42:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:42:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:42:40,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2024-11-14 03:42:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:40,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:42:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:42:41,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465757820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:42:41,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [921344212] [2024-11-14 03:42:41,255 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:42:41,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:42:41,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 15] total 39 [2024-11-14 03:42:41,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407008242] [2024-11-14 03:42:41,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:42:41,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-14 03:42:41,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:41,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-14 03:42:41,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1393, Unknown=0, NotChecked=0, Total=1560 [2024-11-14 03:42:41,260 INFO L87 Difference]: Start difference. First operand 6529 states and 13008 transitions. Second operand has 40 states, 39 states have (on average 10.333333333333334) internal successors, (403), 40 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:42:56,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:42:58,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:09,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:11,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:13,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:15,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:17,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:19,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:21,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:23,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:25,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:27,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:29,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:31,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:33,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:35,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:37,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:39,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:41,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:43,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:45,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:47,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:49,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:51,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:53,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:55,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:57,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:43:59,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:01,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:03,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:05,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:07,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:09,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:11,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:13,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:15,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:17,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:19,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:21,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:23,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:25,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:29,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:31,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:33,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:35,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:37,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:39,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:41,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:44,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:46,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:48,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:50,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:52,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:54,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:56,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:44:58,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:00,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:02,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:04,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:06,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:08,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:10,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:12,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:14,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:16,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:18,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:20,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:22,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:24,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:26,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:29,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:31,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:33,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:35,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:37,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:39,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:41,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:43,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:45,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:47,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:49,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:51,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:53,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:55,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:45:58,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:00,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:02,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:04,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:06,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:08,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:10,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:12,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:14,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:16,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:18,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:20,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:22,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:24,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:26,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:28,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:30,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:32,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:34,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:36,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:38,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:40,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:42,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:44,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:46,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:48,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:50,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:52,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:54,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:56,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:58,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:00,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:02,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:04,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:06,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:08,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:10,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:12,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:14,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:16,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:18,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:20,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:22,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:24,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:26,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:28,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:30,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:33,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:35,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:37,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:39,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:41,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:43,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:45,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:47,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:49,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:51,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:47:51,245 INFO L93 Difference]: Finished difference Result 16904 states and 33766 transitions. [2024-11-14 03:47:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-14 03:47:51,245 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 10.333333333333334) internal successors, (403), 40 states have internal predecessors, (403), 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 219 [2024-11-14 03:47:51,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:47:51,308 INFO L225 Difference]: With dead ends: 16904 [2024-11-14 03:47:51,309 INFO L226 Difference]: Without dead ends: 16796 [2024-11-14 03:47:51,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2478 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=1459, Invalid=7274, Unknown=9, NotChecked=0, Total=8742 [2024-11-14 03:47:51,317 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 2813 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 7125 mSolverCounterSat, 169 mSolverCounterUnsat, 141 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 287.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 4141 SdHoareTripleChecker+Invalid, 7435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 7125 IncrementalHoareTripleChecker+Invalid, 141 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 288.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:47:51,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 4141 Invalid, 7435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [169 Valid, 7125 Invalid, 141 Unknown, 0 Unchecked, 288.6s Time] [2024-11-14 03:47:51,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16796 states. [2024-11-14 03:47:51,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16796 to 7383. [2024-11-14 03:47:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7383 states, 7370 states have (on average 2.0042062415196744) internal successors, (14771), 7382 states have internal predecessors, (14771), 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 03:47:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7383 states to 7383 states and 14771 transitions. [2024-11-14 03:47:51,751 INFO L78 Accepts]: Start accepts. Automaton has 7383 states and 14771 transitions. Word has length 219 [2024-11-14 03:47:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:47:51,751 INFO L471 AbstractCegarLoop]: Abstraction has 7383 states and 14771 transitions. [2024-11-14 03:47:51,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 10.333333333333334) internal successors, (403), 40 states have internal predecessors, (403), 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 03:47:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 7383 states and 14771 transitions. [2024-11-14 03:47:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-14 03:47:51,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:47:51,754 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:47:51,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-14 03:47:51,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:47:51,955 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:47:51,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:47:51,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1612227584, now seen corresponding path program 1 times [2024-11-14 03:47:51,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:47:51,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124089280] [2024-11-14 03:47:51,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:47:51,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:47:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:47:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:47:53,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:47:53,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124089280] [2024-11-14 03:47:53,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124089280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:47:53,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206206566] [2024-11-14 03:47:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:47:53,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:47:53,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:47:53,437 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:47:53,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 03:47:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:47:53,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-14 03:47:53,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:47:54,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:47:54,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:47:54,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:47:54,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-11-14 03:47:54,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-11-14 03:47:54,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2024-11-14 03:47:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2024-11-14 03:47:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:54,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 78 [2024-11-14 03:47:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:47:55,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 74 [2024-11-14 03:47:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:47:59,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:48:04,868 INFO L349 Elim1Store]: treesize reduction 95, result has 37.5 percent of original size [2024-11-14 03:48:04,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 140 treesize of output 148 [2024-11-14 03:48:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:48:04,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2024-11-14 03:48:04,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:48:04,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 13 [2024-11-14 03:48:04,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:48:04,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3128 treesize of output 3054 [2024-11-14 03:48:05,034 INFO L349 Elim1Store]: treesize reduction 95, result has 37.5 percent of original size [2024-11-14 03:48:05,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 140 treesize of output 148 [2024-11-14 03:48:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:48:05,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2024-11-14 03:48:05,051 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,052 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,053 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 32 [2024-11-14 03:48:05,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-14 03:48:05,153 INFO L349 Elim1Store]: treesize reduction 87, result has 42.8 percent of original size [2024-11-14 03:48:05,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 140 treesize of output 156 [2024-11-14 03:48:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:48:05,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 59 [2024-11-14 03:48:05,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-14 03:48:05,183 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,184 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,185 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,189 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,190 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,191 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:48:05,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-11-14 03:48:05,231 INFO L349 Elim1Store]: treesize reduction 151, result has 0.7 percent of original size [2024-11-14 03:48:05,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 136 treesize of output 1 [2024-11-14 03:48:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:48:05,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206206566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:48:05,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [934666854] [2024-11-14 03:48:05,972 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:48:05,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:48:05,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 19] total 48 [2024-11-14 03:48:05,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466071114] [2024-11-14 03:48:05,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:48:05,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-14 03:48:05,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:48:05,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-14 03:48:05,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=2102, Unknown=2, NotChecked=0, Total=2352 [2024-11-14 03:48:05,975 INFO L87 Difference]: Start difference. First operand 7383 states and 14771 transitions. Second operand has 49 states, 48 states have (on average 8.458333333333334) internal successors, (406), 49 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:48:15,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:20,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:22,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:24,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:26,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:28,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:31,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:36,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:38,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:40,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:43,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:47,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:49,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:53,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:55,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:48:57,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:00,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:04,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:06,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:10,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:12,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:14,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:17,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:19,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:23,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:25,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:27,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:29,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:31,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:33,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:35,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:37,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:42,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:44,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:46,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:48,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:50,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:52,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:55,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:57,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:59,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:01,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:03,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:05,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:07,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:12,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:14,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:17,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:22,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:24,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:26,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:28,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:31,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:33,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:35,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:38,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:40,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:51,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:53,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:55,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:57,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:59,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:01,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:04,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:06,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:08,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:10,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:12,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:14,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:16,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:18,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:23,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:25,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:27,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:29,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:31,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:33,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:35,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:51:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:51:38,097 INFO L93 Difference]: Finished difference Result 16767 states and 33559 transitions. [2024-11-14 03:51:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-14 03:51:38,097 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 8.458333333333334) internal successors, (406), 49 states have internal predecessors, (406), 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 219 [2024-11-14 03:51:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:51:38,162 INFO L225 Difference]: With dead ends: 16767 [2024-11-14 03:51:38,162 INFO L226 Difference]: Without dead ends: 16729 [2024-11-14 03:51:38,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 407 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1678 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=1058, Invalid=5247, Unknown=15, NotChecked=0, Total=6320 [2024-11-14 03:51:38,165 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 1957 mSDsluCounter, 4799 mSDsCounter, 0 mSdLazyCounter, 7543 mSolverCounterSat, 117 mSolverCounterUnsat, 78 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 180.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 5108 SdHoareTripleChecker+Invalid, 7738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 7543 IncrementalHoareTripleChecker+Invalid, 78 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 182.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:51:38,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 5108 Invalid, 7738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 7543 Invalid, 78 Unknown, 0 Unchecked, 182.1s Time] [2024-11-14 03:51:38,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16729 states. [2024-11-14 03:51:38,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16729 to 7462. [2024-11-14 03:51:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7462 states, 7449 states have (on average 2.0042958786414284) internal successors, (14930), 7461 states have internal predecessors, (14930), 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 03:51:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7462 states to 7462 states and 14930 transitions. [2024-11-14 03:51:38,606 INFO L78 Accepts]: Start accepts. Automaton has 7462 states and 14930 transitions. Word has length 219 [2024-11-14 03:51:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:51:38,606 INFO L471 AbstractCegarLoop]: Abstraction has 7462 states and 14930 transitions. [2024-11-14 03:51:38,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 8.458333333333334) internal successors, (406), 49 states have internal predecessors, (406), 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 03:51:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 7462 states and 14930 transitions. [2024-11-14 03:51:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-14 03:51:38,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:51:38,609 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:51:38,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 03:51:38,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:38,810 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:51:38,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:51:38,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1395794592, now seen corresponding path program 1 times [2024-11-14 03:51:38,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:51:38,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783717374] [2024-11-14 03:51:38,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:38,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:51:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:51:40,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:51:40,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783717374] [2024-11-14 03:51:40,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783717374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:40,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578292847] [2024-11-14 03:51:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:40,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:40,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:51:40,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 03:51:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:40,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 03:51:40,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:51:41,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:51:41,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:51:41,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:51:41,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:51:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:51:41,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:51:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:51:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:51:41,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-11-14 03:51:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:51:41,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:51:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:51:43,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578292847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:51:43,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1079295022] [2024-11-14 03:51:43,310 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:51:43,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:51:43,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 14] total 42 [2024-11-14 03:51:43,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701947547] [2024-11-14 03:51:43,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:51:43,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-14 03:51:43,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:51:43,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-14 03:51:43,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1592, Unknown=0, NotChecked=0, Total=1806 [2024-11-14 03:51:43,314 INFO L87 Difference]: Start difference. First operand 7462 states and 14930 transitions. Second operand has 43 states, 42 states have (on average 9.666666666666666) internal successors, (406), 43 states have internal predecessors, (406), 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 03:51:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:51:56,842 INFO L93 Difference]: Finished difference Result 17947 states and 35964 transitions. [2024-11-14 03:51:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-14 03:51:56,842 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 9.666666666666666) internal successors, (406), 43 states have internal predecessors, (406), 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 219 [2024-11-14 03:51:56,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:51:56,910 INFO L225 Difference]: With dead ends: 17947 [2024-11-14 03:51:56,911 INFO L226 Difference]: Without dead ends: 17909 [2024-11-14 03:51:56,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2391 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1220, Invalid=6970, Unknown=0, NotChecked=0, Total=8190 [2024-11-14 03:51:56,915 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 2299 mSDsluCounter, 4076 mSDsCounter, 0 mSdLazyCounter, 7086 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2299 SdHoareTripleChecker+Valid, 4383 SdHoareTripleChecker+Invalid, 7277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 7086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:51:56,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2299 Valid, 4383 Invalid, 7277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [191 Valid, 7086 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-14 03:51:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17909 states. [2024-11-14 03:51:57,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17909 to 7548. [2024-11-14 03:51:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7548 states, 7535 states have (on average 2.004777704047777) internal successors, (15106), 7547 states have internal predecessors, (15106), 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 03:51:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7548 states to 7548 states and 15106 transitions. [2024-11-14 03:51:57,384 INFO L78 Accepts]: Start accepts. Automaton has 7548 states and 15106 transitions. Word has length 219 [2024-11-14 03:51:57,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:51:57,385 INFO L471 AbstractCegarLoop]: Abstraction has 7548 states and 15106 transitions. [2024-11-14 03:51:57,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 9.666666666666666) internal successors, (406), 43 states have internal predecessors, (406), 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 03:51:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7548 states and 15106 transitions. [2024-11-14 03:51:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-14 03:51:57,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:51:57,388 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:51:57,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 03:51:57,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:57,589 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:51:57,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:51:57,589 INFO L85 PathProgramCache]: Analyzing trace with hash 69637476, now seen corresponding path program 2 times [2024-11-14 03:51:57,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:51:57,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028654353] [2024-11-14 03:51:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:57,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:51:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:51:58,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:51:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028654353] [2024-11-14 03:51:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028654353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768972429] [2024-11-14 03:51:58,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:51:58,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:58,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:58,664 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:51:58,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 03:51:59,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 03:51:59,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:51:59,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 03:51:59,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:52:00,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:52:00,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:52:00,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:52:00,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:52:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:00,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:00,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-11-14 03:52:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:52:00,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:52:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:52:06,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768972429] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:52:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [715659739] [2024-11-14 03:52:06,633 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:52:06,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:52:06,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2024-11-14 03:52:06,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152565461] [2024-11-14 03:52:06,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:52:06,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-14 03:52:06,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:52:06,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-14 03:52:06,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1444, Unknown=1, NotChecked=0, Total=1640 [2024-11-14 03:52:06,635 INFO L87 Difference]: Start difference. First operand 7548 states and 15106 transitions. Second operand has 41 states, 40 states have (on average 10.15) internal successors, (406), 41 states have internal predecessors, (406), 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 03:52:26,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:52:26,396 INFO L93 Difference]: Finished difference Result 16909 states and 33845 transitions. [2024-11-14 03:52:26,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:52:26,396 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 10.15) internal successors, (406), 41 states have internal predecessors, (406), 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 219 [2024-11-14 03:52:26,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:52:26,465 INFO L225 Difference]: With dead ends: 16909 [2024-11-14 03:52:26,465 INFO L226 Difference]: Without dead ends: 16876 [2024-11-14 03:52:26,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1402 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=893, Invalid=4656, Unknown=1, NotChecked=0, Total=5550 [2024-11-14 03:52:26,470 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 2140 mSDsluCounter, 4305 mSDsCounter, 0 mSdLazyCounter, 6796 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 6796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:52:26,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 4630 Invalid, 6858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 6796 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2024-11-14 03:52:26,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16876 states. [2024-11-14 03:52:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16876 to 7561. [2024-11-14 03:52:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7561 states, 7548 states have (on average 2.0047694753577106) internal successors, (15132), 7560 states have internal predecessors, (15132), 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 03:52:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7561 states to 7561 states and 15132 transitions. [2024-11-14 03:52:26,937 INFO L78 Accepts]: Start accepts. Automaton has 7561 states and 15132 transitions. Word has length 219 [2024-11-14 03:52:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:52:26,937 INFO L471 AbstractCegarLoop]: Abstraction has 7561 states and 15132 transitions. [2024-11-14 03:52:26,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 10.15) internal successors, (406), 41 states have internal predecessors, (406), 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 03:52:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7561 states and 15132 transitions. [2024-11-14 03:52:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-14 03:52:26,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:52:26,940 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:52:26,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 03:52:27,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:52:27,141 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:52:27,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:52:27,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1651084814, now seen corresponding path program 3 times [2024-11-14 03:52:27,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:52:27,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349853150] [2024-11-14 03:52:27,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:27,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:52:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:52:28,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:52:28,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349853150] [2024-11-14 03:52:28,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349853150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:52:28,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067519402] [2024-11-14 03:52:28,305 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 03:52:28,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:52:28,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:52:28,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:52:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-14 03:52:29,048 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 03:52:29,049 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:52:29,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 03:52:29,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:52:29,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:52:29,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:52:29,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:52:29,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:52:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:52:29,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:52:29,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 54 [2024-11-14 03:52:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:52:29,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:52:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:52:32,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067519402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:52:32,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1141027707] [2024-11-14 03:52:32,718 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:52:32,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:52:32,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2024-11-14 03:52:32,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339222219] [2024-11-14 03:52:32,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:52:32,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-14 03:52:32,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:52:32,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-14 03:52:32,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1059, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 03:52:32,720 INFO L87 Difference]: Start difference. First operand 7561 states and 15132 transitions. Second operand has 35 states, 34 states have (on average 8.176470588235293) internal successors, (278), 35 states have internal predecessors, (278), 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 03:52:45,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:52:45,361 INFO L93 Difference]: Finished difference Result 16981 states and 33996 transitions. [2024-11-14 03:52:45,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 03:52:45,362 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 8.176470588235293) internal successors, (278), 35 states have internal predecessors, (278), 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 219 [2024-11-14 03:52:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:52:45,429 INFO L225 Difference]: With dead ends: 16981 [2024-11-14 03:52:45,429 INFO L226 Difference]: Without dead ends: 16943 [2024-11-14 03:52:45,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 416 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=717, Invalid=3564, Unknown=9, NotChecked=0, Total=4290 [2024-11-14 03:52:45,436 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 1838 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 4113 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 4745 SdHoareTripleChecker+Invalid, 4209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 4113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:52:45,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 4745 Invalid, 4209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [96 Valid, 4113 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-14 03:52:45,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16943 states. [2024-11-14 03:52:45,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16943 to 7584. [2024-11-14 03:52:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7584 states, 7571 states have (on average 2.0047549861312906) internal successors, (15178), 7583 states have internal predecessors, (15178), 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 03:52:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7584 states to 7584 states and 15178 transitions. [2024-11-14 03:52:45,911 INFO L78 Accepts]: Start accepts. Automaton has 7584 states and 15178 transitions. Word has length 219 [2024-11-14 03:52:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:52:45,911 INFO L471 AbstractCegarLoop]: Abstraction has 7584 states and 15178 transitions. [2024-11-14 03:52:45,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 8.176470588235293) internal successors, (278), 35 states have internal predecessors, (278), 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 03:52:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 7584 states and 15178 transitions. [2024-11-14 03:52:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-14 03:52:45,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:52:45,914 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:52:45,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-14 03:52:46,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2024-11-14 03:52:46,115 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 03:52:46,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:52:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2109295728, now seen corresponding path program 4 times [2024-11-14 03:52:46,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:52:46,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383729529] [2024-11-14 03:52:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:46,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:52:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 03:52:47,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:52:47,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383729529] [2024-11-14 03:52:47,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383729529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:52:47,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944939219] [2024-11-14 03:52:47,074 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 03:52:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:52:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:52:47,076 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:52:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e937b22f-973d-45fa-8b86-2b10493a0444/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 03:52:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:47,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 03:52:47,507 INFO L278 TraceCheckSpWp]: Computing forward predicates...