./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4b-container_of.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_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/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_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/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_3f48be45-ccc8-4442-bb20-2bf978746767/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 bc5e7f1bb9d797b9993cfb044bde836cb0311db6d5f44e269650954deb1b2eac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:06:57,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:06:57,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:06:57,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:06:57,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:06:57,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:06:57,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:06:57,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:06:57,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:06:57,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:06:57,743 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:06:57,743 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:06:57,743 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:06:57,745 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:06:57,746 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:06:57,746 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:06:57,746 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:06:57,746 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:06:57,746 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:06:57,747 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:06:57,747 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:06:57,747 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:06:57,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:06:57,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:06:57,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:06:57,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:06:57,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:06:57,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:06:57,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:06:57,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:06:57,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:06:57,750 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:06:57,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:06:57,750 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:06:57,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:06:57,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:06:57,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:06:57,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:06:57,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:06:57,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:06:57,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:06:57,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:06:57,753 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_3f48be45-ccc8-4442-bb20-2bf978746767/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 -> bc5e7f1bb9d797b9993cfb044bde836cb0311db6d5f44e269650954deb1b2eac [2024-11-14 04:06:58,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:06:58,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:06:58,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:06:58,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:06:58,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:06:58,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-races/race-2_4b-container_of.i Unable to find full path for "g++" [2024-11-14 04:07:00,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:07:00,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:07:00,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/sv-benchmarks/c/ldv-races/race-2_4b-container_of.i [2024-11-14 04:07:00,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/data/1b7929ceb/66c754d00d724edab3b8cf0e30c67285/FLAG788738a38 [2024-11-14 04:07:00,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/data/1b7929ceb/66c754d00d724edab3b8cf0e30c67285 [2024-11-14 04:07:00,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:07:00,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:07:00,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:07:00,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:07:00,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:07:00,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:07:00" (1/1) ... [2024-11-14 04:07:00,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6286514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:00, skipping insertion in model container [2024-11-14 04:07:00,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:07:00" (1/1) ... [2024-11-14 04:07:00,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:07:01,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:07:01,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:07:01,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:07:01,543 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:07:01,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01 WrapperNode [2024-11-14 04:07:01,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:07:01,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:07:01,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:07:01,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:07:01,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,605 INFO L138 Inliner]: procedures = 246, calls = 42, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 230 [2024-11-14 04:07:01,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:07:01,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:07:01,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:07:01,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:07:01,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:07:01,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:07:01,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:07:01,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:07:01,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (1/1) ... [2024-11-14 04:07:01,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:07:01,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:07:01,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:07:01,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f48be45-ccc8-4442-bb20-2bf978746767/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:07:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-14 04:07:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-14 04:07:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:07:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:07:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:07:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:07:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:07:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:07:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:07:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:07:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:07:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:07:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:07:01,753 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:07:02,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:07:02,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:07:02,779 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:07:02,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:07:02,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:07:02,801 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:07:02,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:07:02 BoogieIcfgContainer [2024-11-14 04:07:02,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:07:02,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:07:02,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:07:02,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:07:02,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:07:00" (1/3) ... [2024-11-14 04:07:02,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0a148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:07:02, skipping insertion in model container [2024-11-14 04:07:02,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:07:01" (2/3) ... [2024-11-14 04:07:02,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0a148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:07:02, skipping insertion in model container [2024-11-14 04:07:02,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:07:02" (3/3) ... [2024-11-14 04:07:02,812 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4b-container_of.i [2024-11-14 04:07:02,828 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:07:02,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_4b-container_of.i that has 2 procedures, 306 locations, 1 initial locations, 0 loop locations, and 19 error locations. [2024-11-14 04:07:02,830 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:07:02,939 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 04:07:02,988 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 353 places, 361 transitions, 736 flow [2024-11-14 04:07:09,361 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 244665 states, 244467 states have (on average 2.997226619543742) internal successors, (732723), 244664 states have internal predecessors, (732723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:09,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:07:09,408 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;@f5d2ec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:07:09,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-14 04:07:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 244665 states, 244467 states have (on average 2.997226619543742) internal successors, (732723), 244664 states have internal predecessors, (732723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 04:07:09,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:09,771 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 04:07:09,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-14 04:07:09,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:09,779 INFO L85 PathProgramCache]: Analyzing trace with hash -792760144, now seen corresponding path program 1 times [2024-11-14 04:07:09,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:09,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365242306] [2024-11-14 04:07:09,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:09,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:07:11,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:11,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365242306] [2024-11-14 04:07:11,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365242306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:11,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:11,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:07:11,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539350397] [2024-11-14 04:07:11,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:11,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:07:11,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:11,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:07:11,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:07:11,940 INFO L87 Difference]: Start difference. First operand has 244665 states, 244467 states have (on average 2.997226619543742) internal successors, (732723), 244664 states have internal predecessors, (732723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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 04:07:16,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:07:16,132 INFO L93 Difference]: Finished difference Result 332431 states and 994658 transitions. [2024-11-14 04:07:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:07:16,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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 04:07:16,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:07:17,967 INFO L225 Difference]: With dead ends: 332431 [2024-11-14 04:07:17,968 INFO L226 Difference]: Without dead ends: 223138 [2024-11-14 04:07:18,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:07:18,282 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:07:18,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 924 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 04:07:18,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223138 states. [2024-11-14 04:07:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223138 to 223138. [2024-11-14 04:07:25,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223138 states, 222883 states have (on average 2.942045826734206) internal successors, (655732), 223137 states have internal predecessors, (655732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223138 states to 223138 states and 655732 transitions. [2024-11-14 04:07:27,764 INFO L78 Accepts]: Start accepts. Automaton has 223138 states and 655732 transitions. Word has length 32 [2024-11-14 04:07:27,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:07:27,765 INFO L471 AbstractCegarLoop]: Abstraction has 223138 states and 655732 transitions. [2024-11-14 04:07:27,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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 04:07:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 223138 states and 655732 transitions. [2024-11-14 04:07:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 04:07:27,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:27,769 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] [2024-11-14 04:07:27,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:07:27,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-14 04:07:27,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2113123501, now seen corresponding path program 1 times [2024-11-14 04:07:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347140806] [2024-11-14 04:07:27,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:07:28,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:28,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347140806] [2024-11-14 04:07:28,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347140806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:28,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:28,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:07:28,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523764652] [2024-11-14 04:07:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:28,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:07:28,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:28,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:07:28,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:07:28,507 INFO L87 Difference]: Start difference. First operand 223138 states and 655732 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:07:31,368 INFO L93 Difference]: Finished difference Result 223138 states and 655732 transitions. [2024-11-14 04:07:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:07:31,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2024-11-14 04:07:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:07:33,058 INFO L225 Difference]: With dead ends: 223138 [2024-11-14 04:07:33,058 INFO L226 Difference]: Without dead ends: 223137 [2024-11-14 04:07:33,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:07:33,116 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 2 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:07:33,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 702 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:07:33,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223137 states. [2024-11-14 04:07:38,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223137 to 223137. [2024-11-14 04:07:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223137 states, 222883 states have (on average 2.9420413400752863) internal successors, (655731), 223136 states have internal predecessors, (655731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223137 states to 223137 states and 655731 transitions. [2024-11-14 04:07:40,036 INFO L78 Accepts]: Start accepts. Automaton has 223137 states and 655731 transitions. Word has length 40 [2024-11-14 04:07:40,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:07:40,037 INFO L471 AbstractCegarLoop]: Abstraction has 223137 states and 655731 transitions. [2024-11-14 04:07:40,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 223137 states and 655731 transitions. [2024-11-14 04:07:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 04:07:40,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:40,039 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] [2024-11-14 04:07:40,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:07:40,039 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-14 04:07:40,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:40,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1334544615, now seen corresponding path program 1 times [2024-11-14 04:07:40,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:40,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897293740] [2024-11-14 04:07:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:40,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:07:40,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:40,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897293740] [2024-11-14 04:07:40,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897293740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:40,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:40,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:07:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474538493] [2024-11-14 04:07:40,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:40,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:07:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:07:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:07:40,154 INFO L87 Difference]: Start difference. First operand 223137 states and 655731 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:07:41,933 INFO L93 Difference]: Finished difference Result 223137 states and 655731 transitions. [2024-11-14 04:07:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:07:41,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-14 04:07:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:07:43,165 INFO L225 Difference]: With dead ends: 223137 [2024-11-14 04:07:43,165 INFO L226 Difference]: Without dead ends: 223136 [2024-11-14 04:07:43,238 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 04:07:43,239 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 43 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 611 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 04:07:43,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 611 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:07:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223136 states. [2024-11-14 04:07:47,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223136 to 223136. [2024-11-14 04:07:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223136 states, 222883 states have (on average 2.9420368534163663) internal successors, (655730), 223135 states have internal predecessors, (655730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223136 states to 223136 states and 655730 transitions. [2024-11-14 04:07:50,103 INFO L78 Accepts]: Start accepts. Automaton has 223136 states and 655730 transitions. Word has length 52 [2024-11-14 04:07:50,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:07:50,104 INFO L471 AbstractCegarLoop]: Abstraction has 223136 states and 655730 transitions. [2024-11-14 04:07:50,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:07:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 223136 states and 655730 transitions. [2024-11-14 04:07:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 04:07:50,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:50,106 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] [2024-11-14 04:07:50,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:07:50,106 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-14 04:07:50,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:50,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1954126006, now seen corresponding path program 1 times [2024-11-14 04:07:50,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:50,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67806378] [2024-11-14 04:07:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:50,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:07:50,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:50,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67806378] [2024-11-14 04:07:50,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67806378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:50,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:50,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:07:50,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481193869] [2024-11-14 04:07:50,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:50,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:07:50,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:50,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:07:50,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:07:50,215 INFO L87 Difference]: Start difference. First operand 223136 states and 655730 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)