./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-10-racy.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_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/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_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/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_6451826b-7d4b-46cc-bc71-69a9f63010ba/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 38d4dff022ef4d2ea830e2718ea99215413d1e3f67567ac017eaf8275c303ef0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:37:03,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:37:03,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 05:37:03,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:37:03,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:37:04,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:37:04,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:37:04,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:37:04,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:37:04,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:37:04,021 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:37:04,022 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:37:04,022 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:37:04,022 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:37:04,022 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:37:04,022 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:37:04,023 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:37:04,024 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:37:04,025 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:37:04,025 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:37:04,025 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:37:04,025 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:37:04,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:37:04,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:37:04,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:37:04,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:37:04,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:37:04,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:37:04,028 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_6451826b-7d4b-46cc-bc71-69a9f63010ba/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 -> 38d4dff022ef4d2ea830e2718ea99215413d1e3f67567ac017eaf8275c303ef0 [2024-11-14 05:37:04,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:37:04,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:37:04,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:37:04,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:37:04,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:37:04,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread/fib_unsafe-10-racy.i Unable to find full path for "g++" [2024-11-14 05:37:06,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:37:06,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:37:06,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/sv-benchmarks/c/pthread/fib_unsafe-10-racy.i [2024-11-14 05:37:06,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/data/9ad683690/aa6771d9cb5e43a982ce129d320f9556/FLAG5ac3b41ff [2024-11-14 05:37:06,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/data/9ad683690/aa6771d9cb5e43a982ce129d320f9556 [2024-11-14 05:37:06,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:37:06,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:37:06,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:37:06,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:37:06,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:37:06,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:37:06" (1/1) ... [2024-11-14 05:37:06,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0bd5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:06, skipping insertion in model container [2024-11-14 05:37:06,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:37:06" (1/1) ... [2024-11-14 05:37:06,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:37:07,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:37:07,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:37:07,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:37:07,630 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:37:07,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07 WrapperNode [2024-11-14 05:37:07,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:37:07,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:37:07,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:37:07,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:37:07,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,694 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-14 05:37:07,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:37:07,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:37:07,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:37:07,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:37:07,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:37:07,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:37:07,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:37:07,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:37:07,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (1/1) ... [2024-11-14 05:37:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:37:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:37:07,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:37:07,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:37:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-14 05:37:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-14 05:37:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-14 05:37:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-14 05:37:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:37:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:37:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:37:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:37:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:37:07,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:37:07,815 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 05:37:08,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:37:08,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:37:08,440 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:37:08,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:37:08,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:37:08,505 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 05:37:08,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:37:08 BoogieIcfgContainer [2024-11-14 05:37:08,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:37:08,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:37:08,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:37:08,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:37:08,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:37:06" (1/3) ... [2024-11-14 05:37:08,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c9c0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:37:08, skipping insertion in model container [2024-11-14 05:37:08,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:37:07" (2/3) ... [2024-11-14 05:37:08,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c9c0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:37:08, skipping insertion in model container [2024-11-14 05:37:08,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:37:08" (3/3) ... [2024-11-14 05:37:08,518 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-10-racy.i [2024-11-14 05:37:08,535 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:37:08,536 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_unsafe-10-racy.i that has 3 procedures, 180 locations, 1 initial locations, 3 loop locations, and 30 error locations. [2024-11-14 05:37:08,537 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:37:08,642 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:37:08,719 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 186 places, 188 transitions, 384 flow [2024-11-14 05:37:12,576 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:12,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:37:12,645 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;@52095bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:37:12,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-14 05:37:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 05:37:12,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:12,828 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] [2024-11-14 05:37:12,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:12,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1312725550, now seen corresponding path program 1 times [2024-11-14 05:37:12,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:12,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806061869] [2024-11-14 05:37:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:13,057 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 05:37:13,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:13,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806061869] [2024-11-14 05:37:13,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806061869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:13,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:13,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:37:13,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261103184] [2024-11-14 05:37:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:13,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:37:13,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:37:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:37:13,204 INFO L87 Difference]: Start difference. First operand has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 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 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:16,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:16,110 INFO L93 Difference]: Finished difference Result 101501 states and 319117 transitions. [2024-11-14 05:37:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:37:16,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2024-11-14 05:37:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:17,529 INFO L225 Difference]: With dead ends: 101501 [2024-11-14 05:37:17,530 INFO L226 Difference]: Without dead ends: 57526 [2024-11-14 05:37:17,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:37:17,741 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:17,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:18,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57526 states. [2024-11-14 05:37:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57526 to 57526. [2024-11-14 05:37:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57526 states, 57128 states have (on average 3.028900014003641) internal successors, (173035), 57525 states have internal predecessors, (173035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57526 states to 57526 states and 173035 transitions. [2024-11-14 05:37:21,696 INFO L78 Accepts]: Start accepts. Automaton has 57526 states and 173035 transitions. Word has length 22 [2024-11-14 05:37:21,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:21,697 INFO L471 AbstractCegarLoop]: Abstraction has 57526 states and 173035 transitions. [2024-11-14 05:37:21,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 57526 states and 173035 transitions. [2024-11-14 05:37:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 05:37:21,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:21,699 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] [2024-11-14 05:37:21,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:37:21,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:21,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash 547883607, now seen corresponding path program 1 times [2024-11-14 05:37:21,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484849744] [2024-11-14 05:37:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:21,867 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 05:37:21,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:21,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484849744] [2024-11-14 05:37:21,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484849744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:21,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:21,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:21,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789068538] [2024-11-14 05:37:21,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:21,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:21,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:21,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:21,871 INFO L87 Difference]: Start difference. First operand 57526 states and 173035 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:23,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:23,002 INFO L93 Difference]: Finished difference Result 57526 states and 173035 transitions. [2024-11-14 05:37:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:23,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2024-11-14 05:37:23,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:23,423 INFO L225 Difference]: With dead ends: 57526 [2024-11-14 05:37:23,423 INFO L226 Difference]: Without dead ends: 55310 [2024-11-14 05:37:23,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:23,451 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 119 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:23,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 430 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55310 states. [2024-11-14 05:37:25,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55310 to 55310. [2024-11-14 05:37:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55310 states, 54992 states have (on average 3.0252945883037534) internal successors, (166367), 55309 states have internal predecessors, (166367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55310 states to 55310 states and 166367 transitions. [2024-11-14 05:37:25,687 INFO L78 Accepts]: Start accepts. Automaton has 55310 states and 166367 transitions. Word has length 32 [2024-11-14 05:37:25,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:25,688 INFO L471 AbstractCegarLoop]: Abstraction has 55310 states and 166367 transitions. [2024-11-14 05:37:25,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 55310 states and 166367 transitions. [2024-11-14 05:37:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 05:37:25,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:25,691 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] [2024-11-14 05:37:25,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:37:25,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:25,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:25,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1125317834, now seen corresponding path program 1 times [2024-11-14 05:37:25,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:25,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773227382] [2024-11-14 05:37:25,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:25,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:25,811 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 05:37:25,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:25,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773227382] [2024-11-14 05:37:25,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773227382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:25,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:25,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475618099] [2024-11-14 05:37:25,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:25,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:25,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:25,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:25,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:25,814 INFO L87 Difference]: Start difference. First operand 55310 states and 166367 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:26,540 INFO L93 Difference]: Finished difference Result 55310 states and 166367 transitions. [2024-11-14 05:37:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:26,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2024-11-14 05:37:26,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:27,391 INFO L225 Difference]: With dead ends: 55310 [2024-11-14 05:37:27,391 INFO L226 Difference]: Without dead ends: 50878 [2024-11-14 05:37:27,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:27,415 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 128 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:27,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 422 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:27,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50878 states. [2024-11-14 05:37:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50878 to 50878. [2024-11-14 05:37:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50878 states, 50720 states have (on average 3.0171727129337538) internal successors, (153031), 50877 states have internal predecessors, (153031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50878 states to 50878 states and 153031 transitions. [2024-11-14 05:37:29,143 INFO L78 Accepts]: Start accepts. Automaton has 50878 states and 153031 transitions. Word has length 35 [2024-11-14 05:37:29,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:29,144 INFO L471 AbstractCegarLoop]: Abstraction has 50878 states and 153031 transitions. [2024-11-14 05:37:29,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:29,144 INFO L276 IsEmpty]: Start isEmpty. Operand 50878 states and 153031 transitions. [2024-11-14 05:37:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-14 05:37:29,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:29,146 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] [2024-11-14 05:37:29,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:37:29,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:29,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:29,147 INFO L85 PathProgramCache]: Analyzing trace with hash -413067327, now seen corresponding path program 1 times [2024-11-14 05:37:29,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:29,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530714820] [2024-11-14 05:37:29,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:29,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:29,267 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 05:37:29,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:29,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530714820] [2024-11-14 05:37:29,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530714820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:29,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:29,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:29,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741289463] [2024-11-14 05:37:29,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:29,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:29,270 INFO L87 Difference]: Start difference. First operand 50878 states and 153031 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:30,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:30,089 INFO L93 Difference]: Finished difference Result 50878 states and 153031 transitions. [2024-11-14 05:37:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:30,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2024-11-14 05:37:30,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:30,378 INFO L225 Difference]: With dead ends: 50878 [2024-11-14 05:37:30,379 INFO L226 Difference]: Without dead ends: 48923 [2024-11-14 05:37:30,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:30,410 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 110 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:30,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 416 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:37:30,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48923 states. [2024-11-14 05:37:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48923 to 48923. [2024-11-14 05:37:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48923 states, 48797 states have (on average 3.015410783449802) internal successors, (147143), 48922 states have internal predecessors, (147143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48923 states to 48923 states and 147143 transitions. [2024-11-14 05:37:32,362 INFO L78 Accepts]: Start accepts. Automaton has 48923 states and 147143 transitions. Word has length 38 [2024-11-14 05:37:32,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:32,363 INFO L471 AbstractCegarLoop]: Abstraction has 48923 states and 147143 transitions. [2024-11-14 05:37:32,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 48923 states and 147143 transitions. [2024-11-14 05:37:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 05:37:32,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:32,367 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] [2024-11-14 05:37:32,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:37:32,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:32,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:32,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1987481941, now seen corresponding path program 1 times [2024-11-14 05:37:32,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:32,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244020973] [2024-11-14 05:37:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:32,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:32,427 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 05:37:32,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:32,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244020973] [2024-11-14 05:37:32,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244020973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:32,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:32,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:32,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901083354] [2024-11-14 05:37:32,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:32,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:32,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:32,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:32,429 INFO L87 Difference]: Start difference. First operand 48923 states and 147143 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:33,365 INFO L93 Difference]: Finished difference Result 48923 states and 147143 transitions. [2024-11-14 05:37:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:33,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2024-11-14 05:37:33,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:33,633 INFO L225 Difference]: With dead ends: 48923 [2024-11-14 05:37:33,633 INFO L226 Difference]: Without dead ends: 48348 [2024-11-14 05:37:33,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:33,659 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 49 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:33,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 350 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:37:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48348 states. [2024-11-14 05:37:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48348 to 48348. [2024-11-14 05:37:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48348 states, 48230 states have (on average 3.0150943396226415) internal successors, (145418), 48347 states have internal predecessors, (145418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48348 states to 48348 states and 145418 transitions. [2024-11-14 05:37:35,146 INFO L78 Accepts]: Start accepts. Automaton has 48348 states and 145418 transitions. Word has length 41 [2024-11-14 05:37:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:35,147 INFO L471 AbstractCegarLoop]: Abstraction has 48348 states and 145418 transitions. [2024-11-14 05:37:35,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 48348 states and 145418 transitions. [2024-11-14 05:37:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 05:37:35,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:35,149 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] [2024-11-14 05:37:35,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:37:35,149 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:35,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash -606899330, now seen corresponding path program 1 times [2024-11-14 05:37:35,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:35,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497909224] [2024-11-14 05:37:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:35,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:35,206 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 05:37:35,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:35,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497909224] [2024-11-14 05:37:35,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497909224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:35,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:35,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:35,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937158377] [2024-11-14 05:37:35,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:35,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:35,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:35,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:35,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:35,210 INFO L87 Difference]: Start difference. First operand 48348 states and 145418 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:35,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:35,580 INFO L93 Difference]: Finished difference Result 48348 states and 145418 transitions. [2024-11-14 05:37:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:35,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2024-11-14 05:37:35,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:35,781 INFO L225 Difference]: With dead ends: 48348 [2024-11-14 05:37:35,781 INFO L226 Difference]: Without dead ends: 44484 [2024-11-14 05:37:35,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:35,804 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 118 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:35,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 405 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:36,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44484 states. [2024-11-14 05:37:37,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44484 to 44484. [2024-11-14 05:37:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44484 states, 44426 states have (on average 3.011299689371089) internal successors, (133780), 44483 states have internal predecessors, (133780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44484 states to 44484 states and 133780 transitions. [2024-11-14 05:37:37,566 INFO L78 Accepts]: Start accepts. Automaton has 44484 states and 133780 transitions. Word has length 41 [2024-11-14 05:37:37,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:37,567 INFO L471 AbstractCegarLoop]: Abstraction has 44484 states and 133780 transitions. [2024-11-14 05:37:37,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 44484 states and 133780 transitions. [2024-11-14 05:37:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 05:37:37,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:37,569 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] [2024-11-14 05:37:37,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:37:37,569 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:37,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1344962317, now seen corresponding path program 1 times [2024-11-14 05:37:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:37,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995291451] [2024-11-14 05:37:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:37,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:37,642 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 05:37:37,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:37,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995291451] [2024-11-14 05:37:37,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995291451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:37,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:37,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:37,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843558528] [2024-11-14 05:37:37,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:37,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:37,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:37,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:37,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:37,645 INFO L87 Difference]: Start difference. First operand 44484 states and 133780 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:38,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:38,095 INFO L93 Difference]: Finished difference Result 44484 states and 133780 transitions. [2024-11-14 05:37:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:38,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-14 05:37:38,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:38,350 INFO L225 Difference]: With dead ends: 44484 [2024-11-14 05:37:38,350 INFO L226 Difference]: Without dead ends: 43426 [2024-11-14 05:37:38,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:38,368 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 113 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:38,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43426 states. [2024-11-14 05:37:39,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43426 to 43426. [2024-11-14 05:37:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43426 states, 43376 states have (on average 3.0110199188491333) internal successors, (130606), 43425 states have internal predecessors, (130606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43426 states to 43426 states and 130606 transitions. [2024-11-14 05:37:39,785 INFO L78 Accepts]: Start accepts. Automaton has 43426 states and 130606 transitions. Word has length 44 [2024-11-14 05:37:39,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:39,785 INFO L471 AbstractCegarLoop]: Abstraction has 43426 states and 130606 transitions. [2024-11-14 05:37:39,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 43426 states and 130606 transitions. [2024-11-14 05:37:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 05:37:39,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:39,787 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] [2024-11-14 05:37:39,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:37:39,788 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:39,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:39,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1572796447, now seen corresponding path program 1 times [2024-11-14 05:37:39,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:39,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409912351] [2024-11-14 05:37:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:39,851 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 05:37:39,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:39,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409912351] [2024-11-14 05:37:39,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409912351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:39,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837266340] [2024-11-14 05:37:39,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:39,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:39,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:39,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:39,853 INFO L87 Difference]: Start difference. First operand 43426 states and 130606 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:40,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:40,560 INFO L93 Difference]: Finished difference Result 43426 states and 130606 transitions. [2024-11-14 05:37:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:40,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-14 05:37:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:40,683 INFO L225 Difference]: With dead ends: 43426 [2024-11-14 05:37:40,683 INFO L226 Difference]: Without dead ends: 40793 [2024-11-14 05:37:40,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:40,692 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 114 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:40,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 408 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:40,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40793 states. [2024-11-14 05:37:41,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40793 to 40793. [2024-11-14 05:37:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40793 states, 40769 states have (on average 3.0079962716770097) internal successors, (122633), 40792 states have internal predecessors, (122633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40793 states to 40793 states and 122633 transitions. [2024-11-14 05:37:41,849 INFO L78 Accepts]: Start accepts. Automaton has 40793 states and 122633 transitions. Word has length 44 [2024-11-14 05:37:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:41,849 INFO L471 AbstractCegarLoop]: Abstraction has 40793 states and 122633 transitions. [2024-11-14 05:37:41,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 40793 states and 122633 transitions. [2024-11-14 05:37:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 05:37:41,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:41,853 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] [2024-11-14 05:37:41,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:37:41,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:41,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:41,854 INFO L85 PathProgramCache]: Analyzing trace with hash 22835821, now seen corresponding path program 1 times [2024-11-14 05:37:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:41,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937159537] [2024-11-14 05:37:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:41,913 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 05:37:41,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:41,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937159537] [2024-11-14 05:37:41,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937159537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:41,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:41,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:37:41,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750314564] [2024-11-14 05:37:41,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:41,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:41,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:41,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:41,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:41,915 INFO L87 Difference]: Start difference. First operand 40793 states and 122633 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:42,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:42,407 INFO L93 Difference]: Finished difference Result 73837 states and 222205 transitions. [2024-11-14 05:37:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:42,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-14 05:37:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:42,630 INFO L225 Difference]: With dead ends: 73837 [2024-11-14 05:37:42,630 INFO L226 Difference]: Without dead ends: 59515 [2024-11-14 05:37:42,667 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 05:37:42,668 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 101 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:42,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 280 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:42,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59515 states. [2024-11-14 05:37:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59515 to 42311. [2024-11-14 05:37:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42311 states, 42287 states have (on average 3.0077092250573463) internal successors, (127187), 42310 states have internal predecessors, (127187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42311 states to 42311 states and 127187 transitions. [2024-11-14 05:37:44,551 INFO L78 Accepts]: Start accepts. Automaton has 42311 states and 127187 transitions. Word has length 47 [2024-11-14 05:37:44,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:44,552 INFO L471 AbstractCegarLoop]: Abstraction has 42311 states and 127187 transitions. [2024-11-14 05:37:44,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 42311 states and 127187 transitions. [2024-11-14 05:37:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 05:37:44,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:44,556 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] [2024-11-14 05:37:44,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:37:44,556 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:44,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:44,556 INFO L85 PathProgramCache]: Analyzing trace with hash 22835276, now seen corresponding path program 1 times [2024-11-14 05:37:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:44,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877139213] [2024-11-14 05:37:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:44,617 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 05:37:44,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:44,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877139213] [2024-11-14 05:37:44,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877139213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:44,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:44,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:44,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259619266] [2024-11-14 05:37:44,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:44,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:44,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:44,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:44,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:44,620 INFO L87 Difference]: Start difference. First operand 42311 states and 127187 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:45,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:45,288 INFO L93 Difference]: Finished difference Result 42311 states and 127187 transitions. [2024-11-14 05:37:45,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:45,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-14 05:37:45,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:45,470 INFO L225 Difference]: With dead ends: 42311 [2024-11-14 05:37:45,470 INFO L226 Difference]: Without dead ends: 41299 [2024-11-14 05:37:45,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:45,484 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 88 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:45,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 299 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41299 states. [2024-11-14 05:37:46,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41299 to 41299. [2024-11-14 05:37:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41299 states, 41279 states have (on average 3.007606773419899) internal successors, (124151), 41298 states have internal predecessors, (124151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41299 states to 41299 states and 124151 transitions. [2024-11-14 05:37:46,683 INFO L78 Accepts]: Start accepts. Automaton has 41299 states and 124151 transitions. Word has length 47 [2024-11-14 05:37:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:46,683 INFO L471 AbstractCegarLoop]: Abstraction has 41299 states and 124151 transitions. [2024-11-14 05:37:46,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 41299 states and 124151 transitions. [2024-11-14 05:37:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-14 05:37:46,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:46,687 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] [2024-11-14 05:37:46,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:37:46,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:46,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:46,688 INFO L85 PathProgramCache]: Analyzing trace with hash 469878906, now seen corresponding path program 1 times [2024-11-14 05:37:46,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:46,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955521609] [2024-11-14 05:37:46,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:46,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:46,720 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 05:37:46,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:46,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955521609] [2024-11-14 05:37:46,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955521609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:46,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:46,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:46,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506931080] [2024-11-14 05:37:46,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:46,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:46,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:46,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:46,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:46,722 INFO L87 Difference]: Start difference. First operand 41299 states and 124151 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:47,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:47,063 INFO L93 Difference]: Finished difference Result 41299 states and 124151 transitions. [2024-11-14 05:37:47,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:47,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-14 05:37:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:47,205 INFO L225 Difference]: With dead ends: 41299 [2024-11-14 05:37:47,205 INFO L226 Difference]: Without dead ends: 40287 [2024-11-14 05:37:47,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:47,220 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 64 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:47,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 319 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:47,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40287 states. [2024-11-14 05:37:48,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40287 to 40287. [2024-11-14 05:37:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40287 states, 40271 states have (on average 3.0074991929676442) internal successors, (121115), 40286 states have internal predecessors, (121115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40287 states to 40287 states and 121115 transitions. [2024-11-14 05:37:48,416 INFO L78 Accepts]: Start accepts. Automaton has 40287 states and 121115 transitions. Word has length 49 [2024-11-14 05:37:48,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:48,416 INFO L471 AbstractCegarLoop]: Abstraction has 40287 states and 121115 transitions. [2024-11-14 05:37:48,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 40287 states and 121115 transitions. [2024-11-14 05:37:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 05:37:48,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:48,420 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] [2024-11-14 05:37:48,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:37:48,420 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:48,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:48,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1938967755, now seen corresponding path program 1 times [2024-11-14 05:37:48,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:48,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025357158] [2024-11-14 05:37:48,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:48,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:48,466 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 05:37:48,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:48,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025357158] [2024-11-14 05:37:48,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025357158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:48,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:48,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:48,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380902687] [2024-11-14 05:37:48,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:48,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:48,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:48,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:48,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:48,468 INFO L87 Difference]: Start difference. First operand 40287 states and 121115 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:49,216 INFO L93 Difference]: Finished difference Result 40287 states and 121115 transitions. [2024-11-14 05:37:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:49,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-14 05:37:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:49,344 INFO L225 Difference]: With dead ends: 40287 [2024-11-14 05:37:49,344 INFO L226 Difference]: Without dead ends: 33071 [2024-11-14 05:37:49,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:49,362 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 103 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:49,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 388 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33071 states. [2024-11-14 05:37:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33071 to 33071. [2024-11-14 05:37:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33071 states, 33064 states have (on average 2.995009678199855) internal successors, (99027), 33070 states have internal predecessors, (99027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33071 states to 33071 states and 99027 transitions. [2024-11-14 05:37:50,687 INFO L78 Accepts]: Start accepts. Automaton has 33071 states and 99027 transitions. Word has length 50 [2024-11-14 05:37:50,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:50,687 INFO L471 AbstractCegarLoop]: Abstraction has 33071 states and 99027 transitions. [2024-11-14 05:37:50,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 33071 states and 99027 transitions. [2024-11-14 05:37:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 05:37:50,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:50,693 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] [2024-11-14 05:37:50,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:37:50,693 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:50,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:50,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1030585671, now seen corresponding path program 1 times [2024-11-14 05:37:50,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:50,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780298841] [2024-11-14 05:37:50,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:50,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:50,733 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 05:37:50,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780298841] [2024-11-14 05:37:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780298841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049275651] [2024-11-14 05:37:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:50,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:50,735 INFO L87 Difference]: Start difference. First operand 33071 states and 99027 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:51,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:51,040 INFO L93 Difference]: Finished difference Result 33071 states and 99027 transitions. [2024-11-14 05:37:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:51,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-14 05:37:51,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:51,151 INFO L225 Difference]: With dead ends: 33071 [2024-11-14 05:37:51,151 INFO L226 Difference]: Without dead ends: 32587 [2024-11-14 05:37:51,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:51,162 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 45 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:51,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 302 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32587 states. [2024-11-14 05:37:51,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32587 to 32587. [2024-11-14 05:37:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32587 states, 32581 states have (on average 2.994843620515024) internal successors, (97575), 32586 states have internal predecessors, (97575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32587 states to 32587 states and 97575 transitions. [2024-11-14 05:37:52,136 INFO L78 Accepts]: Start accepts. Automaton has 32587 states and 97575 transitions. Word has length 53 [2024-11-14 05:37:52,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:52,136 INFO L471 AbstractCegarLoop]: Abstraction has 32587 states and 97575 transitions. [2024-11-14 05:37:52,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 32587 states and 97575 transitions. [2024-11-14 05:37:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 05:37:52,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:52,147 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] [2024-11-14 05:37:52,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:37:52,147 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:52,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:52,148 INFO L85 PathProgramCache]: Analyzing trace with hash -684023188, now seen corresponding path program 1 times [2024-11-14 05:37:52,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:52,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509707766] [2024-11-14 05:37:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:52,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:52,189 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 05:37:52,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:52,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509707766] [2024-11-14 05:37:52,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509707766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:52,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:52,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:52,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390189973] [2024-11-14 05:37:52,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:52,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:52,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:52,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:52,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:52,191 INFO L87 Difference]: Start difference. First operand 32587 states and 97575 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:52,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:52,472 INFO L93 Difference]: Finished difference Result 32587 states and 97575 transitions. [2024-11-14 05:37:52,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:52,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-14 05:37:52,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:52,593 INFO L225 Difference]: With dead ends: 32587 [2024-11-14 05:37:52,593 INFO L226 Difference]: Without dead ends: 32103 [2024-11-14 05:37:52,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:52,605 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 45 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:52,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 299 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:52,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32103 states. [2024-11-14 05:37:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32103 to 32103. [2024-11-14 05:37:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32103 states, 32098 states have (on average 2.994672565268864) internal successors, (96123), 32102 states have internal predecessors, (96123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32103 states to 32103 states and 96123 transitions. [2024-11-14 05:37:53,572 INFO L78 Accepts]: Start accepts. Automaton has 32103 states and 96123 transitions. Word has length 60 [2024-11-14 05:37:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:53,572 INFO L471 AbstractCegarLoop]: Abstraction has 32103 states and 96123 transitions. [2024-11-14 05:37:53,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32103 states and 96123 transitions. [2024-11-14 05:37:53,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 05:37:53,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:53,582 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] [2024-11-14 05:37:53,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:37:53,582 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:53,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:53,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1885469575, now seen corresponding path program 1 times [2024-11-14 05:37:53,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:53,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524697689] [2024-11-14 05:37:53,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:53,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:53,617 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 05:37:53,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:53,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524697689] [2024-11-14 05:37:53,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524697689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:53,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:53,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:53,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344861207] [2024-11-14 05:37:53,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:53,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:53,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:53,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:53,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:53,618 INFO L87 Difference]: Start difference. First operand 32103 states and 96123 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:53,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:53,920 INFO L93 Difference]: Finished difference Result 35491 states and 106287 transitions. [2024-11-14 05:37:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:53,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-14 05:37:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:54,028 INFO L225 Difference]: With dead ends: 35491 [2024-11-14 05:37:54,028 INFO L226 Difference]: Without dead ends: 35007 [2024-11-14 05:37:54,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:54,040 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:54,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35007 states. [2024-11-14 05:37:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35007 to 31619. [2024-11-14 05:37:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31619 states, 31615 states have (on average 2.9944962834097737) internal successors, (94671), 31618 states have internal predecessors, (94671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31619 states to 31619 states and 94671 transitions. [2024-11-14 05:37:55,158 INFO L78 Accepts]: Start accepts. Automaton has 31619 states and 94671 transitions. Word has length 63 [2024-11-14 05:37:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:55,158 INFO L471 AbstractCegarLoop]: Abstraction has 31619 states and 94671 transitions. [2024-11-14 05:37:55,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 31619 states and 94671 transitions. [2024-11-14 05:37:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 05:37:55,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:55,174 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] [2024-11-14 05:37:55,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 05:37:55,174 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:55,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:55,175 INFO L85 PathProgramCache]: Analyzing trace with hash 821221772, now seen corresponding path program 1 times [2024-11-14 05:37:55,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:55,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191343492] [2024-11-14 05:37:55,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:55,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:55,238 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 05:37:55,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:55,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191343492] [2024-11-14 05:37:55,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191343492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:55,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:55,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:55,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738230521] [2024-11-14 05:37:55,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:55,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:55,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:55,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:55,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:55,242 INFO L87 Difference]: Start difference. First operand 31619 states and 94671 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:56,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:56,066 INFO L93 Difference]: Finished difference Result 31619 states and 94671 transitions. [2024-11-14 05:37:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:56,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-14 05:37:56,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:56,190 INFO L225 Difference]: With dead ends: 31619 [2024-11-14 05:37:56,190 INFO L226 Difference]: Without dead ends: 31135 [2024-11-14 05:37:56,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:56,199 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:56,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:56,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31135 states. [2024-11-14 05:37:56,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31135 to 31135. [2024-11-14 05:37:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31135 states, 31132 states have (on average 2.994314531671592) internal successors, (93219), 31134 states have internal predecessors, (93219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31135 states to 31135 states and 93219 transitions. [2024-11-14 05:37:56,865 INFO L78 Accepts]: Start accepts. Automaton has 31135 states and 93219 transitions. Word has length 67 [2024-11-14 05:37:56,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:56,865 INFO L471 AbstractCegarLoop]: Abstraction has 31135 states and 93219 transitions. [2024-11-14 05:37:56,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 31135 states and 93219 transitions. [2024-11-14 05:37:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 05:37:56,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:56,883 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] [2024-11-14 05:37:56,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 05:37:56,883 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:56,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:56,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1486328027, now seen corresponding path program 1 times [2024-11-14 05:37:56,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:56,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167353595] [2024-11-14 05:37:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:56,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:56,920 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 05:37:56,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:56,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167353595] [2024-11-14 05:37:56,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167353595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:56,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:56,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:37:56,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864906414] [2024-11-14 05:37:56,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:56,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:56,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:56,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:56,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:56,922 INFO L87 Difference]: Start difference. First operand 31135 states and 93219 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:57,363 INFO L93 Difference]: Finished difference Result 31135 states and 93219 transitions. [2024-11-14 05:37:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:57,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-14 05:37:57,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:57,463 INFO L225 Difference]: With dead ends: 31135 [2024-11-14 05:37:57,464 INFO L226 Difference]: Without dead ends: 30651 [2024-11-14 05:37:57,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:37:57,473 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:57,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 290 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:37:57,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30651 states. [2024-11-14 05:37:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30651 to 30651. [2024-11-14 05:37:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30651 states, 30649 states have (on average 2.994127051453555) internal successors, (91767), 30650 states have internal predecessors, (91767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30651 states to 30651 states and 91767 transitions. [2024-11-14 05:37:58,122 INFO L78 Accepts]: Start accepts. Automaton has 30651 states and 91767 transitions. Word has length 75 [2024-11-14 05:37:58,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:58,122 INFO L471 AbstractCegarLoop]: Abstraction has 30651 states and 91767 transitions. [2024-11-14 05:37:58,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:58,123 INFO L276 IsEmpty]: Start isEmpty. Operand 30651 states and 91767 transitions. [2024-11-14 05:37:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 05:37:58,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:58,149 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:37:58,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 05:37:58,149 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:37:58,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:58,149 INFO L85 PathProgramCache]: Analyzing trace with hash 850859623, now seen corresponding path program 1 times [2024-11-14 05:37:58,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:58,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505108011] [2024-11-14 05:37:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:58,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:37:58,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:58,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505108011] [2024-11-14 05:37:58,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505108011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:37:58,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504478249] [2024-11-14 05:37:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:58,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:37:58,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:37:58,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:37:58,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6451826b-7d4b-46cc-bc71-69a9f63010ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:37:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:58,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:37:58,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:37:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:37:58,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:37:58,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504478249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:58,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:37:58,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 05:37:58,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227846543] [2024-11-14 05:37:58,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:58,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:58,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:58,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:58,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:37:58,569 INFO L87 Difference]: Start difference. First operand 30651 states and 91767 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:37:59,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:59,184 INFO L93 Difference]: Finished difference Result 50059 states and 149681 transitions. [2024-11-14 05:37:59,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:59,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-14 05:37:59,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:59,338 INFO L225 Difference]: With dead ends: 50059 [2024-11-14 05:37:59,338 INFO L226 Difference]: Without dead ends: 49575 [2024-11-14 05:37:59,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 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 05:37:59,358 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 100 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:59,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 345 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:37:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49575 states.