./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c --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_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/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_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/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_0c45603f-4040-4a6d-9f24-e3af1993a384/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 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:30:44,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:30:44,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:30:44,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:30:44,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:30:44,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:30:44,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:30:44,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:30:44,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:30:44,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:30:44,838 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:30:44,838 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:30:44,838 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:30:44,839 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:30:44,839 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:30:44,839 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:30:44,839 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:30:44,839 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:30:44,839 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:30:44,840 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:30:44,840 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:30:44,840 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:30:44,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:30:44,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:30:44,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:30:44,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:30:44,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:30:44,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:30:44,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:30:44,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:30:44,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:30:44,843 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:30:44,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:30:44,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:30:44,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:30:44,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:30:44,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:30:44,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:30:44,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:30:44,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:30:44,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:30:44,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:30:44,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:30:44,845 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:30:44,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:30:44,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:30:44,845 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:30:44,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:30:44,846 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_0c45603f-4040-4a6d-9f24-e3af1993a384/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 -> 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 [2024-11-14 04:30:45,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:30:45,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:30:45,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:30:45,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:30:45,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:30:45,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c Unable to find full path for "g++" [2024-11-14 04:30:47,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:30:48,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:30:48,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2024-11-14 04:30:48,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/data/6ca1d648a/4a530381718a41bcbec367521e66aaae/FLAG47aceab6c [2024-11-14 04:30:48,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/data/6ca1d648a/4a530381718a41bcbec367521e66aaae [2024-11-14 04:30:48,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:30:48,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:30:48,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:30:48,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:30:48,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:30:48,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565c44e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48, skipping insertion in model container [2024-11-14 04:30:48,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:30:48,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:30:48,762 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:30:48,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:30:48,884 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:30:48,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48 WrapperNode [2024-11-14 04:30:48,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:30:48,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:30:48,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:30:48,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:30:48,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,961 INFO L138 Inliner]: procedures = 23, calls = 32, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 396 [2024-11-14 04:30:48,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:30:48,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:30:48,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:30:48,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:30:48,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:48,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:49,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:49,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:49,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:49,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:49,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:30:49,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:30:49,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:30:49,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:30:49,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (1/1) ... [2024-11-14 04:30:49,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:30:49,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:30:49,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:30:49,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c45603f-4040-4a6d-9f24-e3af1993a384/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:30:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:30:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 04:30:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 04:30:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 04:30:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 04:30:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:30:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:30:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:30:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:30:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:30:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:30:49,161 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 04:30:49,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:30:49,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:30:50,572 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:30:50,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:30:50,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:30:50,625 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 04:30:50,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:30:50 BoogieIcfgContainer [2024-11-14 04:30:50,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:30:50,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:30:50,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:30:50,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:30:50,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:30:48" (1/3) ... [2024-11-14 04:30:50,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21381749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:30:50, skipping insertion in model container [2024-11-14 04:30:50,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:48" (2/3) ... [2024-11-14 04:30:50,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21381749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:30:50, skipping insertion in model container [2024-11-14 04:30:50,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:30:50" (3/3) ... [2024-11-14 04:30:50,681 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2024-11-14 04:30:50,705 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:30:50,707 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-4.wvr.c that has 3 procedures, 505 locations, 1 initial locations, 3 loop locations, and 69 error locations. [2024-11-14 04:30:50,708 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:30:51,038 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 04:30:51,097 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 511 places, 533 transitions, 1080 flow [2024-11-14 04:30:53,664 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50971 states, 50478 states have (on average 2.794722453346012) internal successors, (141072), 50970 states have internal predecessors, (141072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:30:53,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:30:53,771 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;@e6b7115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:30:53,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2024-11-14 04:30:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 50971 states, 50478 states have (on average 2.794722453346012) internal successors, (141072), 50970 states have internal predecessors, (141072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:30:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:30:53,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:30:53,916 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] [2024-11-14 04:30:53,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:30:53,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:30:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash -875526297, now seen corresponding path program 1 times [2024-11-14 04:30:53,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:30:53,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348133015] [2024-11-14 04:30:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:30:53,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:30:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:30:54,155 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 04:30:54,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:30:54,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348133015] [2024-11-14 04:30:54,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348133015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:30:54,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:30:54,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:30:54,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130536737] [2024-11-14 04:30:54,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:30:54,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:30:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:30:54,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:30:54,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:30:54,271 INFO L87 Difference]: Start difference. First operand has 50971 states, 50478 states have (on average 2.794722453346012) internal successors, (141072), 50970 states have internal predecessors, (141072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:30:56,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:30:56,555 INFO L93 Difference]: Finished difference Result 101902 states and 282103 transitions. [2024-11-14 04:30:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:30:56,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-14 04:30:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:30:57,434 INFO L225 Difference]: With dead ends: 101902 [2024-11-14 04:30:57,435 INFO L226 Difference]: Without dead ends: 50852 [2024-11-14 04:30:57,577 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 04:30:57,581 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:30:57,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 968 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:30:57,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50852 states. [2024-11-14 04:31:00,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50852 to 50852. [2024-11-14 04:31:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50852 states, 50251 states have (on average 2.7374380609341107) internal successors, (137559), 50851 states have internal predecessors, (137559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50852 states to 50852 states and 137559 transitions. [2024-11-14 04:31:02,084 INFO L78 Accepts]: Start accepts. Automaton has 50852 states and 137559 transitions. Word has length 20 [2024-11-14 04:31:02,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:02,085 INFO L471 AbstractCegarLoop]: Abstraction has 50852 states and 137559 transitions. [2024-11-14 04:31:02,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 50852 states and 137559 transitions. [2024-11-14 04:31:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 04:31:02,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:02,088 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] [2024-11-14 04:31:02,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:31:02,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:02,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:02,090 INFO L85 PathProgramCache]: Analyzing trace with hash 438775295, now seen corresponding path program 1 times [2024-11-14 04:31:02,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:02,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629915679] [2024-11-14 04:31:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:02,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:02,186 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 04:31:02,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:02,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629915679] [2024-11-14 04:31:02,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629915679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:02,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:02,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:02,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251295124] [2024-11-14 04:31:02,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:02,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:02,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:02,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:02,191 INFO L87 Difference]: Start difference. First operand 50852 states and 137559 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:03,301 INFO L93 Difference]: Finished difference Result 50852 states and 137559 transitions. [2024-11-14 04:31:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:03,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2024-11-14 04:31:03,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:03,845 INFO L225 Difference]: With dead ends: 50852 [2024-11-14 04:31:03,845 INFO L226 Difference]: Without dead ends: 50851 [2024-11-14 04:31:03,863 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 04:31:03,864 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 2 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:03,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 945 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:03,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50851 states. [2024-11-14 04:31:05,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50851 to 50851. [2024-11-14 04:31:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50851 states, 50251 states have (on average 2.7374181608326205) internal successors, (137558), 50850 states have internal predecessors, (137558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50851 states to 50851 states and 137558 transitions. [2024-11-14 04:31:06,345 INFO L78 Accepts]: Start accepts. Automaton has 50851 states and 137558 transitions. Word has length 28 [2024-11-14 04:31:06,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:06,346 INFO L471 AbstractCegarLoop]: Abstraction has 50851 states and 137558 transitions. [2024-11-14 04:31:06,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 50851 states and 137558 transitions. [2024-11-14 04:31:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 04:31:06,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:06,349 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 04:31:06,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:31:06,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:06,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash 952684761, now seen corresponding path program 1 times [2024-11-14 04:31:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587050236] [2024-11-14 04:31:06,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:06,460 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 04:31:06,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:06,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587050236] [2024-11-14 04:31:06,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587050236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:06,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:06,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:06,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201631165] [2024-11-14 04:31:06,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:06,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:06,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:06,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:06,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:06,467 INFO L87 Difference]: Start difference. First operand 50851 states and 137558 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 04:31:07,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:07,604 INFO L93 Difference]: Finished difference Result 50851 states and 137558 transitions. [2024-11-14 04:31:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:07,606 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 04:31:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:08,044 INFO L225 Difference]: With dead ends: 50851 [2024-11-14 04:31:08,044 INFO L226 Difference]: Without dead ends: 48799 [2024-11-14 04:31:08,073 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 04:31:08,076 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 445 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:08,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 499 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48799 states. [2024-11-14 04:31:09,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48799 to 48799. [2024-11-14 04:31:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48799 states, 48325 states have (on average 2.732478013450595) internal successors, (132047), 48798 states have internal predecessors, (132047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48799 states to 48799 states and 132047 transitions. [2024-11-14 04:31:10,073 INFO L78 Accepts]: Start accepts. Automaton has 48799 states and 132047 transitions. Word has length 32 [2024-11-14 04:31:10,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:10,074 INFO L471 AbstractCegarLoop]: Abstraction has 48799 states and 132047 transitions. [2024-11-14 04:31:10,074 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 04:31:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 48799 states and 132047 transitions. [2024-11-14 04:31:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 04:31:10,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:10,076 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] [2024-11-14 04:31:10,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:31:10,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:10,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash -509303896, now seen corresponding path program 1 times [2024-11-14 04:31:10,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:10,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836460830] [2024-11-14 04:31:10,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:10,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:11,861 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 04:31:11,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:11,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836460830] [2024-11-14 04:31:11,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836460830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:11,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:11,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:31:11,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491105985] [2024-11-14 04:31:11,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:11,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:31:11,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:11,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:31:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:31:11,865 INFO L87 Difference]: Start difference. First operand 48799 states and 132047 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:12,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:12,759 INFO L93 Difference]: Finished difference Result 48799 states and 132047 transitions. [2024-11-14 04:31:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:31:12,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-14 04:31:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:13,125 INFO L225 Difference]: With dead ends: 48799 [2024-11-14 04:31:13,125 INFO L226 Difference]: Without dead ends: 48798 [2024-11-14 04:31:13,152 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 04:31:13,153 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 2 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:13,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1715 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:31:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48798 states. [2024-11-14 04:31:14,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48798 to 48798. [2024-11-14 04:31:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48798 states, 48325 states have (on average 2.7324573202276254) internal successors, (132046), 48797 states have internal predecessors, (132046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48798 states to 48798 states and 132046 transitions. [2024-11-14 04:31:15,168 INFO L78 Accepts]: Start accepts. Automaton has 48798 states and 132046 transitions. Word has length 70 [2024-11-14 04:31:15,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:15,169 INFO L471 AbstractCegarLoop]: Abstraction has 48798 states and 132046 transitions. [2024-11-14 04:31:15,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 48798 states and 132046 transitions. [2024-11-14 04:31:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 04:31:15,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:15,171 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] [2024-11-14 04:31:15,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:31:15,172 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:15,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:15,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1432985068, now seen corresponding path program 1 times [2024-11-14 04:31:15,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:15,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41129708] [2024-11-14 04:31:15,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:15,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:15,276 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 04:31:15,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:15,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41129708] [2024-11-14 04:31:15,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41129708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:15,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:15,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:15,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536361336] [2024-11-14 04:31:15,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:15,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:15,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:15,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:15,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:15,280 INFO L87 Difference]: Start difference. First operand 48798 states and 132046 transitions. Second operand has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:15,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:15,896 INFO L93 Difference]: Finished difference Result 48798 states and 132046 transitions. [2024-11-14 04:31:15,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:15,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-14 04:31:15,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:16,217 INFO L225 Difference]: With dead ends: 48798 [2024-11-14 04:31:16,217 INFO L226 Difference]: Without dead ends: 48797 [2024-11-14 04:31:16,249 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 04:31:16,250 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 2 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:16,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 927 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48797 states. [2024-11-14 04:31:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48797 to 48797. [2024-11-14 04:31:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48797 states, 48325 states have (on average 2.732436627004656) internal successors, (132045), 48796 states have internal predecessors, (132045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48797 states to 48797 states and 132045 transitions. [2024-11-14 04:31:18,160 INFO L78 Accepts]: Start accepts. Automaton has 48797 states and 132045 transitions. Word has length 70 [2024-11-14 04:31:18,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:18,162 INFO L471 AbstractCegarLoop]: Abstraction has 48797 states and 132045 transitions. [2024-11-14 04:31:18,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 48797 states and 132045 transitions. [2024-11-14 04:31:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 04:31:18,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:18,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:18,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:31:18,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:18,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:18,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1645825074, now seen corresponding path program 1 times [2024-11-14 04:31:18,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:18,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879190195] [2024-11-14 04:31:18,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:18,269 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 04:31:18,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879190195] [2024-11-14 04:31:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879190195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:18,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:18,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:18,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468896595] [2024-11-14 04:31:18,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:18,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:18,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:18,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:18,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:18,272 INFO L87 Difference]: Start difference. First operand 48797 states and 132045 transitions. Second operand has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:19,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:19,206 INFO L93 Difference]: Finished difference Result 48818 states and 132097 transitions. [2024-11-14 04:31:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:19,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-14 04:31:19,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:19,475 INFO L225 Difference]: With dead ends: 48818 [2024-11-14 04:31:19,475 INFO L226 Difference]: Without dead ends: 47263 [2024-11-14 04:31:19,504 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 04:31:19,504 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 382 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:19,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 581 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:31:19,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47263 states. [2024-11-14 04:31:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47263 to 47242. [2024-11-14 04:31:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47242 states, 46856 states have (on average 2.7288500939047293) internal successors, (127863), 47241 states have internal predecessors, (127863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47242 states to 47242 states and 127863 transitions. [2024-11-14 04:31:21,036 INFO L78 Accepts]: Start accepts. Automaton has 47242 states and 127863 transitions. Word has length 80 [2024-11-14 04:31:21,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:21,037 INFO L471 AbstractCegarLoop]: Abstraction has 47242 states and 127863 transitions. [2024-11-14 04:31:21,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 47242 states and 127863 transitions. [2024-11-14 04:31:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 04:31:21,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:21,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:21,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:31:21,039 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:21,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:21,039 INFO L85 PathProgramCache]: Analyzing trace with hash 573084089, now seen corresponding path program 1 times [2024-11-14 04:31:21,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:21,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855931529] [2024-11-14 04:31:21,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:21,091 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 04:31:21,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:21,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855931529] [2024-11-14 04:31:21,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855931529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:21,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:21,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:21,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153482523] [2024-11-14 04:31:21,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:21,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:21,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:21,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:21,093 INFO L87 Difference]: Start difference. First operand 47242 states and 127863 transitions. Second operand has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:21,449 INFO L93 Difference]: Finished difference Result 47242 states and 127863 transitions. [2024-11-14 04:31:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:21,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-14 04:31:21,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:22,196 INFO L225 Difference]: With dead ends: 47242 [2024-11-14 04:31:22,197 INFO L226 Difference]: Without dead ends: 44424 [2024-11-14 04:31:22,214 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 04:31:22,216 INFO L432 NwaCegarLoop]: 794 mSDtfsCounter, 361 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:22,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1225 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:31:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44424 states. [2024-11-14 04:31:23,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44424 to 44424. [2024-11-14 04:31:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44424 states, 44189 states have (on average 2.721763334766571) internal successors, (120272), 44423 states have internal predecessors, (120272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44424 states to 44424 states and 120272 transitions. [2024-11-14 04:31:23,723 INFO L78 Accepts]: Start accepts. Automaton has 44424 states and 120272 transitions. Word has length 83 [2024-11-14 04:31:23,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:23,724 INFO L471 AbstractCegarLoop]: Abstraction has 44424 states and 120272 transitions. [2024-11-14 04:31:23,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:23,724 INFO L276 IsEmpty]: Start isEmpty. Operand 44424 states and 120272 transitions. [2024-11-14 04:31:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 04:31:23,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:23,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:23,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:31:23,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:23,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1930192567, now seen corresponding path program 1 times [2024-11-14 04:31:23,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:23,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102857430] [2024-11-14 04:31:23,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:24,248 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 04:31:24,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:24,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102857430] [2024-11-14 04:31:24,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102857430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:24,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:24,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:24,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292208726] [2024-11-14 04:31:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:24,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:24,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:24,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:24,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:24,252 INFO L87 Difference]: Start difference. First operand 44424 states and 120272 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:24,822 INFO L93 Difference]: Finished difference Result 44424 states and 120272 transitions. [2024-11-14 04:31:24,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:24,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-11-14 04:31:24,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:25,076 INFO L225 Difference]: With dead ends: 44424 [2024-11-14 04:31:25,076 INFO L226 Difference]: Without dead ends: 41357 [2024-11-14 04:31:25,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:25,108 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 254 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:25,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 679 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:31:25,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41357 states. [2024-11-14 04:31:26,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41357 to 41357. [2024-11-14 04:31:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41357 states, 41228 states have (on average 2.7177646259823423) internal successors, (112048), 41356 states have internal predecessors, (112048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41357 states to 41357 states and 112048 transitions. [2024-11-14 04:31:26,655 INFO L78 Accepts]: Start accepts. Automaton has 41357 states and 112048 transitions. Word has length 89 [2024-11-14 04:31:26,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:26,656 INFO L471 AbstractCegarLoop]: Abstraction has 41357 states and 112048 transitions. [2024-11-14 04:31:26,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 41357 states and 112048 transitions. [2024-11-14 04:31:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 04:31:26,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:26,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:26,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:31:26,661 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:26,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:26,662 INFO L85 PathProgramCache]: Analyzing trace with hash 912343514, now seen corresponding path program 1 times [2024-11-14 04:31:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:26,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182859190] [2024-11-14 04:31:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:26,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:26,744 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 04:31:26,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:26,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182859190] [2024-11-14 04:31:26,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182859190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:26,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:26,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:26,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043624082] [2024-11-14 04:31:26,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:26,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:26,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:26,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:26,747 INFO L87 Difference]: Start difference. First operand 41357 states and 112048 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:27,230 INFO L93 Difference]: Finished difference Result 48429 states and 131582 transitions. [2024-11-14 04:31:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:27,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-14 04:31:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:27,515 INFO L225 Difference]: With dead ends: 48429 [2024-11-14 04:31:27,515 INFO L226 Difference]: Without dead ends: 46580 [2024-11-14 04:31:27,547 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 04:31:27,548 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 341 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:27,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 772 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:27,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46580 states. [2024-11-14 04:31:29,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46580 to 39508. [2024-11-14 04:31:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39508 states, 39436 states have (on average 2.715158738208743) internal successors, (107075), 39507 states have internal predecessors, (107075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39508 states to 39508 states and 107075 transitions. [2024-11-14 04:31:29,271 INFO L78 Accepts]: Start accepts. Automaton has 39508 states and 107075 transitions. Word has length 94 [2024-11-14 04:31:29,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:29,271 INFO L471 AbstractCegarLoop]: Abstraction has 39508 states and 107075 transitions. [2024-11-14 04:31:29,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 39508 states and 107075 transitions. [2024-11-14 04:31:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-14 04:31:29,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:29,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:29,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:31:29,280 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:29,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1658182912, now seen corresponding path program 1 times [2024-11-14 04:31:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:29,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534270155] [2024-11-14 04:31:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:29,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:29,476 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 04:31:29,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:29,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534270155] [2024-11-14 04:31:29,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534270155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:29,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:29,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:31:29,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901025575] [2024-11-14 04:31:29,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:29,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:31:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:29,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:31:29,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:31:29,479 INFO L87 Difference]: Start difference. First operand 39508 states and 107075 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:31,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:31,284 INFO L93 Difference]: Finished difference Result 107229 states and 291065 transitions. [2024-11-14 04:31:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:31:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-11-14 04:31:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:31,603 INFO L225 Difference]: With dead ends: 107229 [2024-11-14 04:31:31,603 INFO L226 Difference]: Without dead ends: 69521 [2024-11-14 04:31:31,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:31:31,685 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 957 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:31,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1789 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:31,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69521 states. [2024-11-14 04:31:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69521 to 45493. [2024-11-14 04:31:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45493 states, 45421 states have (on average 2.7306091895819113) internal successors, (124027), 45492 states have internal predecessors, (124027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45493 states to 45493 states and 124027 transitions. [2024-11-14 04:31:33,895 INFO L78 Accepts]: Start accepts. Automaton has 45493 states and 124027 transitions. Word has length 102 [2024-11-14 04:31:33,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:33,895 INFO L471 AbstractCegarLoop]: Abstraction has 45493 states and 124027 transitions. [2024-11-14 04:31:33,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 45493 states and 124027 transitions. [2024-11-14 04:31:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 04:31:33,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:33,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:33,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 04:31:33,913 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:33,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1077821636, now seen corresponding path program 1 times [2024-11-14 04:31:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:33,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623104714] [2024-11-14 04:31:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:33,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:34,570 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 04:31:34,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:34,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623104714] [2024-11-14 04:31:34,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623104714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:34,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:34,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:31:34,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172899782] [2024-11-14 04:31:34,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:34,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:31:34,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:34,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:31:34,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:31:34,573 INFO L87 Difference]: Start difference. First operand 45493 states and 124027 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:37,117 INFO L93 Difference]: Finished difference Result 45493 states and 124027 transitions. [2024-11-14 04:31:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:31:37,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2024-11-14 04:31:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:37,398 INFO L225 Difference]: With dead ends: 45493 [2024-11-14 04:31:37,398 INFO L226 Difference]: Without dead ends: 44638 [2024-11-14 04:31:37,421 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 04:31:37,422 INFO L432 NwaCegarLoop]: 1436 mSDtfsCounter, 1093 mSDsluCounter, 2616 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 4052 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:37,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 4052 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-14 04:31:37,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44638 states. [2024-11-14 04:31:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44638 to 44638. [2024-11-14 04:31:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44638 states, 44588 states have (on average 2.7299049071499057) internal successors, (121721), 44637 states have internal predecessors, (121721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44638 states to 44638 states and 121721 transitions. [2024-11-14 04:31:39,047 INFO L78 Accepts]: Start accepts. Automaton has 44638 states and 121721 transitions. Word has length 107 [2024-11-14 04:31:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:39,048 INFO L471 AbstractCegarLoop]: Abstraction has 44638 states and 121721 transitions. [2024-11-14 04:31:39,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 44638 states and 121721 transitions. [2024-11-14 04:31:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 04:31:39,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:39,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:39,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 04:31:39,063 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:39,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:39,064 INFO L85 PathProgramCache]: Analyzing trace with hash 373268882, now seen corresponding path program 1 times [2024-11-14 04:31:39,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:39,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646974102] [2024-11-14 04:31:39,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:39,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:39,258 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 04:31:39,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:39,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646974102] [2024-11-14 04:31:39,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646974102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:39,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:39,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:31:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976107764] [2024-11-14 04:31:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:39,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:31:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:31:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:31:39,263 INFO L87 Difference]: Start difference. First operand 44638 states and 121721 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:41,050 INFO L93 Difference]: Finished difference Result 109036 states and 298251 transitions. [2024-11-14 04:31:41,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:31:41,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2024-11-14 04:31:41,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:41,373 INFO L225 Difference]: With dead ends: 109036 [2024-11-14 04:31:41,373 INFO L226 Difference]: Without dead ends: 65114 [2024-11-14 04:31:41,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:31:41,441 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 299 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:41,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1164 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:31:41,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65114 states. [2024-11-14 04:31:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65114 to 45737. [2024-11-14 04:31:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45737 states, 45687 states have (on average 2.73263729288419) internal successors, (124846), 45736 states have internal predecessors, (124846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45737 states to 45737 states and 124846 transitions. [2024-11-14 04:31:43,810 INFO L78 Accepts]: Start accepts. Automaton has 45737 states and 124846 transitions. Word has length 108 [2024-11-14 04:31:43,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:43,810 INFO L471 AbstractCegarLoop]: Abstraction has 45737 states and 124846 transitions. [2024-11-14 04:31:43,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 45737 states and 124846 transitions. [2024-11-14 04:31:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 04:31:43,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:43,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:43,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 04:31:43,822 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:43,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2076789497, now seen corresponding path program 1 times [2024-11-14 04:31:43,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:43,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443941763] [2024-11-14 04:31:43,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:43,897 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 04:31:43,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:43,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443941763] [2024-11-14 04:31:43,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443941763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:43,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:43,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:43,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192769730] [2024-11-14 04:31:43,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:43,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:43,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:43,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:43,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:43,902 INFO L87 Difference]: Start difference. First operand 45737 states and 124846 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:44,461 INFO L93 Difference]: Finished difference Result 45737 states and 124846 transitions. [2024-11-14 04:31:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:44,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-11-14 04:31:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:44,775 INFO L225 Difference]: With dead ends: 45737 [2024-11-14 04:31:44,775 INFO L226 Difference]: Without dead ends: 42746 [2024-11-14 04:31:44,806 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 04:31:44,808 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 303 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:44,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1158 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:31:44,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42746 states. [2024-11-14 04:31:46,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42746 to 42746. [2024-11-14 04:31:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42746 states, 42718 states have (on average 2.730816049440517) internal successors, (116655), 42745 states have internal predecessors, (116655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42746 states to 42746 states and 116655 transitions. [2024-11-14 04:31:46,378 INFO L78 Accepts]: Start accepts. Automaton has 42746 states and 116655 transitions. Word has length 111 [2024-11-14 04:31:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:46,378 INFO L471 AbstractCegarLoop]: Abstraction has 42746 states and 116655 transitions. [2024-11-14 04:31:46,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 42746 states and 116655 transitions. [2024-11-14 04:31:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 04:31:46,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:46,388 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:46,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 04:31:46,388 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:46,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:46,389 INFO L85 PathProgramCache]: Analyzing trace with hash -542734946, now seen corresponding path program 1 times [2024-11-14 04:31:46,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:46,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199243233] [2024-11-14 04:31:46,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:46,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:46,573 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 04:31:46,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:46,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199243233] [2024-11-14 04:31:46,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199243233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:46,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:46,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:31:46,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471922249] [2024-11-14 04:31:46,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:46,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:31:46,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:46,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:31:46,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:31:46,575 INFO L87 Difference]: Start difference. First operand 42746 states and 116655 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:48,015 INFO L93 Difference]: Finished difference Result 76626 states and 209253 transitions. [2024-11-14 04:31:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:31:48,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-11-14 04:31:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:48,278 INFO L225 Difference]: With dead ends: 76626 [2024-11-14 04:31:48,278 INFO L226 Difference]: Without dead ends: 60764 [2024-11-14 04:31:48,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:31:48,307 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 285 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:48,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1111 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:31:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60764 states. [2024-11-14 04:31:49,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60764 to 43824. [2024-11-14 04:31:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43824 states, 43796 states have (on average 2.7336058087496573) internal successors, (119721), 43823 states have internal predecessors, (119721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43824 states to 43824 states and 119721 transitions. [2024-11-14 04:31:50,078 INFO L78 Accepts]: Start accepts. Automaton has 43824 states and 119721 transitions. Word has length 111 [2024-11-14 04:31:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:50,078 INFO L471 AbstractCegarLoop]: Abstraction has 43824 states and 119721 transitions. [2024-11-14 04:31:50,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 43824 states and 119721 transitions. [2024-11-14 04:31:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 04:31:50,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:50,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:50,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 04:31:50,091 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:50,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:50,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1540323362, now seen corresponding path program 1 times [2024-11-14 04:31:50,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:50,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772394184] [2024-11-14 04:31:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:50,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:50,832 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 04:31:50,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:50,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772394184] [2024-11-14 04:31:50,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772394184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:50,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:50,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:31:50,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598091721] [2024-11-14 04:31:50,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:50,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:31:50,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:31:50,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:31:50,835 INFO L87 Difference]: Start difference. First operand 43824 states and 119721 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:52,169 INFO L93 Difference]: Finished difference Result 43824 states and 119721 transitions. [2024-11-14 04:31:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:31:52,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2024-11-14 04:31:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:52,423 INFO L225 Difference]: With dead ends: 43824 [2024-11-14 04:31:52,423 INFO L226 Difference]: Without dead ends: 42746 [2024-11-14 04:31:52,446 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 04:31:52,447 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 190 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:52,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1129 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:31:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42746 states. [2024-11-14 04:31:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42746 to 42746. [2024-11-14 04:31:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42746 states, 42732 states have (on average 2.733525226996162) internal successors, (116809), 42745 states have internal predecessors, (116809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42746 states to 42746 states and 116809 transitions. [2024-11-14 04:31:54,010 INFO L78 Accepts]: Start accepts. Automaton has 42746 states and 116809 transitions. Word has length 113 [2024-11-14 04:31:54,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:54,011 INFO L471 AbstractCegarLoop]: Abstraction has 42746 states and 116809 transitions. [2024-11-14 04:31:54,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 42746 states and 116809 transitions. [2024-11-14 04:31:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:31:54,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:54,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:54,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 04:31:54,026 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:54,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:54,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2077106796, now seen corresponding path program 1 times [2024-11-14 04:31:54,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584939293] [2024-11-14 04:31:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:54,089 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 04:31:54,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584939293] [2024-11-14 04:31:54,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584939293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:54,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:54,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810524953] [2024-11-14 04:31:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:54,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:54,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:54,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:54,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:54,096 INFO L87 Difference]: Start difference. First operand 42746 states and 116809 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:55,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:55,228 INFO L93 Difference]: Finished difference Result 42746 states and 116809 transitions. [2024-11-14 04:31:55,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:55,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-14 04:31:55,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:55,421 INFO L225 Difference]: With dead ends: 42746 [2024-11-14 04:31:55,421 INFO L226 Difference]: Without dead ends: 42592 [2024-11-14 04:31:55,432 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 04:31:55,433 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 50 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:55,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 804 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42592 states. [2024-11-14 04:31:56,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42592 to 42592. [2024-11-14 04:31:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42592 states, 42580 states have (on average 2.733513386566463) internal successors, (116393), 42591 states have internal predecessors, (116393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42592 states to 42592 states and 116393 transitions. [2024-11-14 04:31:56,994 INFO L78 Accepts]: Start accepts. Automaton has 42592 states and 116393 transitions. Word has length 117 [2024-11-14 04:31:56,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:56,994 INFO L471 AbstractCegarLoop]: Abstraction has 42592 states and 116393 transitions. [2024-11-14 04:31:56,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 42592 states and 116393 transitions. [2024-11-14 04:31:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:31:57,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:57,008 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:57,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 04:31:57,008 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err44ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:57,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1093324512, now seen corresponding path program 1 times [2024-11-14 04:31:57,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:57,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946367759] [2024-11-14 04:31:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:57,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:57,066 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 04:31:57,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:57,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946367759] [2024-11-14 04:31:57,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946367759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:57,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:57,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:57,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699688828] [2024-11-14 04:31:57,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:57,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:57,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:57,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:57,068 INFO L87 Difference]: Start difference. First operand 42592 states and 116393 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:57,651 INFO L93 Difference]: Finished difference Result 42592 states and 116393 transitions. [2024-11-14 04:31:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:57,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2024-11-14 04:31:57,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:57,871 INFO L225 Difference]: With dead ends: 42592 [2024-11-14 04:31:57,871 INFO L226 Difference]: Without dead ends: 42438 [2024-11-14 04:31:57,888 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 04:31:57,889 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 50 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:57,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 803 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:57,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42438 states. [2024-11-14 04:31:59,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42438 to 42438. [2024-11-14 04:31:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42438 states, 42428 states have (on average 2.733501461299142) internal successors, (115977), 42437 states have internal predecessors, (115977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42438 states to 42438 states and 115977 transitions. [2024-11-14 04:31:59,515 INFO L78 Accepts]: Start accepts. Automaton has 42438 states and 115977 transitions. Word has length 118 [2024-11-14 04:31:59,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:59,515 INFO L471 AbstractCegarLoop]: Abstraction has 42438 states and 115977 transitions. [2024-11-14 04:31:59,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 42438 states and 115977 transitions. [2024-11-14 04:31:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-14 04:31:59,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:59,544 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:31:59,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 04:31:59,544 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-14 04:31:59,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:59,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1975603559, now seen corresponding path program 1 times [2024-11-14 04:31:59,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:59,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981580058] [2024-11-14 04:31:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:59,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:59,644 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 04:31:59,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981580058] [2024-11-14 04:31:59,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981580058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:59,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:59,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:59,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377689926] [2024-11-14 04:31:59,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:59,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:59,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:59,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:59,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:59,647 INFO L87 Difference]: Start difference. First operand 42438 states and 115977 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)