./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje --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 2775f713e378913186e8b7d26aeab9962af0cc62e93b6360bbda34aa29f8c3e8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:41:35,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:41:35,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 04:41:35,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:41:35,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:41:35,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:41:35,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:41:35,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:41:35,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:41:35,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:41:35,938 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:41:35,938 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:41:35,939 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:41:35,939 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:41:35,942 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:41:35,943 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:41:35,943 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:41:35,943 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:41:35,944 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:41:35,944 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:41:35,945 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:41:35,949 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:41:35,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:41:35,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:41:35,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:41:35,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:41:35,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:41:35,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:41:35,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:41:35,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:41:35,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:41:35,954 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 04:41:35,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:41:35,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:41:35,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:41:35,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:41:35,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:41:35,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:41:35,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:41:35,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:41:35,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:41:35,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:41:35,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:41:35,960 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:41:35,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:41:35,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:41:35,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:41:35,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:41:35,962 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2775f713e378913186e8b7d26aeab9962af0cc62e93b6360bbda34aa29f8c3e8 [2024-11-09 04:41:36,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:41:36,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:41:36,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:41:36,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:41:36,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:41:36,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer.i Unable to find full path for "g++" [2024-11-09 04:41:38,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:41:38,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:41:38,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer.i [2024-11-09 04:41:38,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/data/f27c57a22/2e26f370e8d84db7a96624cba9976e14/FLAG99459800b [2024-11-09 04:41:38,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/data/f27c57a22/2e26f370e8d84db7a96624cba9976e14 [2024-11-09 04:41:38,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:41:38,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:41:38,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:41:38,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:41:38,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:41:38,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:41:38" (1/1) ... [2024-11-09 04:41:38,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a92c53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:38, skipping insertion in model container [2024-11-09 04:41:38,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:41:38" (1/1) ... [2024-11-09 04:41:38,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:41:39,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:41:39,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:41:39,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:41:39,553 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:41:39,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39 WrapperNode [2024-11-09 04:41:39,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:41:39,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:41:39,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:41:39,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:41:39,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,615 INFO L138 Inliner]: procedures = 159, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 196 [2024-11-09 04:41:39,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:41:39,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:41:39,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:41:39,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:41:39,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:41:39,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:41:39,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:41:39,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:41:39,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (1/1) ... [2024-11-09 04:41:39,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:41:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:39,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:41:39,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:41:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 04:41:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:41:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:41:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-09 04:41:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-09 04:41:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 04:41:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:41:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:41:39,779 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 04:41:39,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:41:39,978 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:41:40,342 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:41:40,342 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:41:40,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:41:40,397 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:41:40,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:40 BoogieIcfgContainer [2024-11-09 04:41:40,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:41:40,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:41:40,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:41:40,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:41:40,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:41:38" (1/3) ... [2024-11-09 04:41:40,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2177bb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:41:40, skipping insertion in model container [2024-11-09 04:41:40,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:39" (2/3) ... [2024-11-09 04:41:40,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2177bb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:41:40, skipping insertion in model container [2024-11-09 04:41:40,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:40" (3/3) ... [2024-11-09 04:41:40,412 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-outer.i [2024-11-09 04:41:40,431 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:41:40,432 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-09 04:41:40,432 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:41:40,528 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 04:41:40,577 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 234 places, 235 transitions, 474 flow [2024-11-09 04:41:40,722 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1751 states, 1724 states have (on average 1.9338747099767981) internal successors, (3334), 1750 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:40,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:41:40,764 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;@6416e2cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:41:40,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-09 04:41:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 1751 states, 1724 states have (on average 1.9338747099767981) internal successors, (3334), 1750 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:41:40,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:40,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:40,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:40,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:40,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1300492222, now seen corresponding path program 1 times [2024-11-09 04:41:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:40,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265785799] [2024-11-09 04:41:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:41,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:41,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265785799] [2024-11-09 04:41:41,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265785799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:41,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:41,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:41,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430360595] [2024-11-09 04:41:41,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:41,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:41,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:41,404 INFO L87 Difference]: Start difference. First operand has 1751 states, 1724 states have (on average 1.9338747099767981) internal successors, (3334), 1750 states have internal predecessors, (3334), 0 states have call successors, (0), 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 77.5) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:41,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:41,661 INFO L93 Difference]: Finished difference Result 3494 states and 6910 transitions. [2024-11-09 04:41:41,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:41,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2024-11-09 04:41:41,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:41,707 INFO L225 Difference]: With dead ends: 3494 [2024-11-09 04:41:41,707 INFO L226 Difference]: Without dead ends: 1889 [2024-11-09 04:41:41,716 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 [2024-11-09 04:41:41,719 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 74 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:41,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 470 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:41,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2024-11-09 04:41:41,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1696. [2024-11-09 04:41:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1677 states have (on average 1.9010137149672033) internal successors, (3188), 1695 states have internal predecessors, (3188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 3188 transitions. [2024-11-09 04:41:41,895 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 3188 transitions. Word has length 155 [2024-11-09 04:41:41,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:41,898 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 3188 transitions. [2024-11-09 04:41:41,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 3188 transitions. [2024-11-09 04:41:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:41:41,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:41,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:41,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:41:41,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:41,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1316764520, now seen corresponding path program 1 times [2024-11-09 04:41:41,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:41,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411989133] [2024-11-09 04:41:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:41,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:42,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:42,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411989133] [2024-11-09 04:41:42,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411989133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:42,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:42,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773190244] [2024-11-09 04:41:42,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:42,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:42,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:42,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:42,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:42,228 INFO L87 Difference]: Start difference. First operand 1696 states and 3188 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:42,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:42,352 INFO L93 Difference]: Finished difference Result 1822 states and 3410 transitions. [2024-11-09 04:41:42,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:42,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-09 04:41:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:42,369 INFO L225 Difference]: With dead ends: 1822 [2024-11-09 04:41:42,369 INFO L226 Difference]: Without dead ends: 1694 [2024-11-09 04:41:42,374 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 [2024-11-09 04:41:42,375 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 34 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:42,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 459 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:42,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-09 04:41:42,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1614. [2024-11-09 04:41:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1596 states have (on average 1.8834586466165413) internal successors, (3006), 1613 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 3006 transitions. [2024-11-09 04:41:42,454 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 3006 transitions. Word has length 160 [2024-11-09 04:41:42,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:42,456 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 3006 transitions. [2024-11-09 04:41:42,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 3006 transitions. [2024-11-09 04:41:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:41:42,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:42,462 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:42,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:41:42,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:42,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:42,466 INFO L85 PathProgramCache]: Analyzing trace with hash 153281835, now seen corresponding path program 1 times [2024-11-09 04:41:42,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:42,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710511861] [2024-11-09 04:41:42,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:42,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:42,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:42,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710511861] [2024-11-09 04:41:42,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710511861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:42,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:42,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:42,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666202506] [2024-11-09 04:41:42,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:42,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:42,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:42,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:42,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:42,601 INFO L87 Difference]: Start difference. First operand 1614 states and 3006 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:42,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:42,701 INFO L93 Difference]: Finished difference Result 1669 states and 3111 transitions. [2024-11-09 04:41:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:42,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-09 04:41:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:42,714 INFO L225 Difference]: With dead ends: 1669 [2024-11-09 04:41:42,715 INFO L226 Difference]: Without dead ends: 1635 [2024-11-09 04:41:42,716 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 [2024-11-09 04:41:42,717 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 31 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:42,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 444 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:42,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-09 04:41:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1607. [2024-11-09 04:41:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1592 states have (on average 1.879396984924623) internal successors, (2992), 1606 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2992 transitions. [2024-11-09 04:41:42,774 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2992 transitions. Word has length 160 [2024-11-09 04:41:42,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:42,775 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2992 transitions. [2024-11-09 04:41:42,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2992 transitions. [2024-11-09 04:41:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 04:41:42,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:42,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:42,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:41:42,797 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:42,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:42,798 INFO L85 PathProgramCache]: Analyzing trace with hash 35075775, now seen corresponding path program 1 times [2024-11-09 04:41:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:42,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966980290] [2024-11-09 04:41:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:42,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:42,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:42,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966980290] [2024-11-09 04:41:42,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966980290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:42,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:42,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:42,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013684062] [2024-11-09 04:41:42,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:42,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:42,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:42,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:42,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:42,957 INFO L87 Difference]: Start difference. First operand 1607 states and 2992 transitions. Second operand has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:43,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:43,043 INFO L93 Difference]: Finished difference Result 1630 states and 3033 transitions. [2024-11-09 04:41:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:43,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2024-11-09 04:41:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:43,055 INFO L225 Difference]: With dead ends: 1630 [2024-11-09 04:41:43,055 INFO L226 Difference]: Without dead ends: 1582 [2024-11-09 04:41:43,056 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 [2024-11-09 04:41:43,059 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 49 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:43,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 472 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:43,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-09 04:41:43,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1570. [2024-11-09 04:41:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1557 states have (on average 1.872190109184329) internal successors, (2915), 1569 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2915 transitions. [2024-11-09 04:41:43,117 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2915 transitions. Word has length 178 [2024-11-09 04:41:43,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:43,118 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2915 transitions. [2024-11-09 04:41:43,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2915 transitions. [2024-11-09 04:41:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 04:41:43,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:43,125 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:43,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:41:43,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:43,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash 505322370, now seen corresponding path program 1 times [2024-11-09 04:41:43,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:43,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410581187] [2024-11-09 04:41:43,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:43,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:43,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410581187] [2024-11-09 04:41:43,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410581187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:43,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:43,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:43,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591250236] [2024-11-09 04:41:43,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:43,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:43,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:43,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:43,272 INFO L87 Difference]: Start difference. First operand 1570 states and 2915 transitions. Second operand has 3 states, 2 states have (on average 95.5) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:43,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:43,367 INFO L93 Difference]: Finished difference Result 1659 states and 3073 transitions. [2024-11-09 04:41:43,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:43,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 95.5) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2024-11-09 04:41:43,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:43,377 INFO L225 Difference]: With dead ends: 1659 [2024-11-09 04:41:43,378 INFO L226 Difference]: Without dead ends: 1443 [2024-11-09 04:41:43,379 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 [2024-11-09 04:41:43,380 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 50 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:43,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 461 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-11-09 04:41:43,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1411. [2024-11-09 04:41:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1402 states have (on average 1.8316690442225392) internal successors, (2568), 1410 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2568 transitions. [2024-11-09 04:41:43,450 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2568 transitions. Word has length 191 [2024-11-09 04:41:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:43,451 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2568 transitions. [2024-11-09 04:41:43,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 95.5) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2568 transitions. [2024-11-09 04:41:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 04:41:43,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:43,456 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:43,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:41:43,456 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:43,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2129463953, now seen corresponding path program 1 times [2024-11-09 04:41:43,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:43,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002866091] [2024-11-09 04:41:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:43,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:43,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002866091] [2024-11-09 04:41:43,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002866091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:41:43,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827440821] [2024-11-09 04:41:43,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:43,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:43,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:43,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:41:43,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:41:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:44,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:41:44,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:44,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:41:44,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827440821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:44,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:41:44,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 04:41:44,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919633762] [2024-11-09 04:41:44,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:44,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:41:44,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:44,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:41:44,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:41:44,683 INFO L87 Difference]: Start difference. First operand 1411 states and 2568 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:44,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:44,799 INFO L93 Difference]: Finished difference Result 1647 states and 3006 transitions. [2024-11-09 04:41:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:41:44,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 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 196 [2024-11-09 04:41:44,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:44,809 INFO L225 Difference]: With dead ends: 1647 [2024-11-09 04:41:44,809 INFO L226 Difference]: Without dead ends: 1558 [2024-11-09 04:41:44,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:41:44,814 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 132 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:44,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 692 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2024-11-09 04:41:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1322. [2024-11-09 04:41:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1315 states have (on average 1.8425855513307985) internal successors, (2423), 1321 states have internal predecessors, (2423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 2423 transitions. [2024-11-09 04:41:44,863 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 2423 transitions. Word has length 196 [2024-11-09 04:41:44,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:44,866 INFO L471 AbstractCegarLoop]: Abstraction has 1322 states and 2423 transitions. [2024-11-09 04:41:44,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 2423 transitions. [2024-11-09 04:41:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-09 04:41:44,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:44,870 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:44,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:41:45,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:45,074 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-09 04:41:45,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:45,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2003479360, now seen corresponding path program 1 times [2024-11-09 04:41:45,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:45,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467571492] [2024-11-09 04:41:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:41:45,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:41:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:41:45,256 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:41:45,257 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:41:45,258 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-11-09 04:41:45,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-09 04:41:45,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-09 04:41:45,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-09 04:41:45,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-09 04:41:45,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-09 04:41:45,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-09 04:41:45,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-09 04:41:45,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-09 04:41:45,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-09 04:41:45,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-09 04:41:45,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 04:41:45,267 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:45,269 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 04:41:45,270 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 04:41:45,306 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 04:41:45,313 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 268 places, 267 transitions, 544 flow [2024-11-09 04:41:47,776 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52674 states, 52556 states have (on average 2.949539538777685) internal successors, (155016), 52673 states have internal predecessors, (155016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:47,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:41:47,783 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;@6416e2cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:41:47,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-09 04:41:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 52674 states, 52556 states have (on average 2.949539538777685) internal successors, (155016), 52673 states have internal predecessors, (155016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:41:48,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:48,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:48,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:41:48,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:48,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1874455699, now seen corresponding path program 1 times [2024-11-09 04:41:48,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:48,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347205426] [2024-11-09 04:41:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:48,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347205426] [2024-11-09 04:41:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347205426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:48,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:48,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:48,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983105384] [2024-11-09 04:41:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:48,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:48,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:48,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:48,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:48,364 INFO L87 Difference]: Start difference. First operand has 52674 states, 52556 states have (on average 2.949539538777685) internal successors, (155016), 52673 states have internal predecessors, (155016), 0 states have call successors, (0), 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 77.5) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:50,828 INFO L93 Difference]: Finished difference Result 120015 states and 357494 transitions. [2024-11-09 04:41:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:50,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2024-11-09 04:41:50,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:51,661 INFO L225 Difference]: With dead ends: 120015 [2024-11-09 04:41:51,661 INFO L226 Difference]: Without dead ends: 67487 [2024-11-09 04:41:51,773 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 [2024-11-09 04:41:51,774 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 103 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:51,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 536 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:51,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67487 states. [2024-11-09 04:41:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67487 to 53415. [2024-11-09 04:41:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53415 states, 53317 states have (on average 2.9141549599564867) internal successors, (155374), 53414 states have internal predecessors, (155374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53415 states to 53415 states and 155374 transitions. [2024-11-09 04:41:55,046 INFO L78 Accepts]: Start accepts. Automaton has 53415 states and 155374 transitions. Word has length 155 [2024-11-09 04:41:55,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:55,047 INFO L471 AbstractCegarLoop]: Abstraction has 53415 states and 155374 transitions. [2024-11-09 04:41:55,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 53415 states and 155374 transitions. [2024-11-09 04:41:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:41:55,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:55,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:55,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 04:41:55,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:41:55,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:55,051 INFO L85 PathProgramCache]: Analyzing trace with hash -166958744, now seen corresponding path program 1 times [2024-11-09 04:41:55,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:55,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139633349] [2024-11-09 04:41:55,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:55,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:55,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:55,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139633349] [2024-11-09 04:41:55,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139633349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:55,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:55,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:55,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182057141] [2024-11-09 04:41:55,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:55,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:55,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:55,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:55,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:55,133 INFO L87 Difference]: Start difference. First operand 53415 states and 155374 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:55,651 INFO L93 Difference]: Finished difference Result 59925 states and 173241 transitions. [2024-11-09 04:41:55,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-09 04:41:55,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:56,690 INFO L225 Difference]: With dead ends: 59925 [2024-11-09 04:41:56,691 INFO L226 Difference]: Without dead ends: 58190 [2024-11-09 04:41:56,707 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 [2024-11-09 04:41:56,708 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 65 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:56,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 536 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:41:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58190 states. [2024-11-09 04:41:58,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58190 to 53620. [2024-11-09 04:41:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53620 states, 53523 states have (on average 2.910617865216823) internal successors, (155785), 53619 states have internal predecessors, (155785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53620 states to 53620 states and 155785 transitions. [2024-11-09 04:41:59,154 INFO L78 Accepts]: Start accepts. Automaton has 53620 states and 155785 transitions. Word has length 160 [2024-11-09 04:41:59,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:59,155 INFO L471 AbstractCegarLoop]: Abstraction has 53620 states and 155785 transitions. [2024-11-09 04:41:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 53620 states and 155785 transitions. [2024-11-09 04:41:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:41:59,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:59,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:59,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 04:41:59,159 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:41:59,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1330441429, now seen corresponding path program 1 times [2024-11-09 04:41:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:59,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389526583] [2024-11-09 04:41:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:59,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:59,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389526583] [2024-11-09 04:41:59,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389526583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:59,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:59,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:59,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589309352] [2024-11-09 04:41:59,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:59,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:41:59,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:41:59,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:41:59,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:41:59,264 INFO L87 Difference]: Start difference. First operand 53620 states and 155785 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:59,887 INFO L93 Difference]: Finished difference Result 56492 states and 163986 transitions. [2024-11-09 04:41:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:41:59,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-09 04:41:59,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:00,281 INFO L225 Difference]: With dead ends: 56492 [2024-11-09 04:42:00,281 INFO L226 Difference]: Without dead ends: 55371 [2024-11-09 04:42:00,317 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 [2024-11-09 04:42:00,320 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 60 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:00,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 514 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:00,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55371 states. [2024-11-09 04:42:02,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55371 to 53907. [2024-11-09 04:42:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53907 states, 53817 states have (on average 2.909359496070015) internal successors, (156573), 53906 states have internal predecessors, (156573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53907 states to 53907 states and 156573 transitions. [2024-11-09 04:42:02,899 INFO L78 Accepts]: Start accepts. Automaton has 53907 states and 156573 transitions. Word has length 160 [2024-11-09 04:42:02,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:02,899 INFO L471 AbstractCegarLoop]: Abstraction has 53907 states and 156573 transitions. [2024-11-09 04:42:02,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 53907 states and 156573 transitions. [2024-11-09 04:42:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 04:42:02,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:02,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:02,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 04:42:02,904 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:02,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1527815200, now seen corresponding path program 1 times [2024-11-09 04:42:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:02,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686286938] [2024-11-09 04:42:02,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:02,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:42:03,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:03,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686286938] [2024-11-09 04:42:03,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686286938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:03,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:03,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:42:03,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17308976] [2024-11-09 04:42:03,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:03,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:42:03,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:03,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:42:03,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:42:03,005 INFO L87 Difference]: Start difference. First operand 53907 states and 156573 transitions. Second operand has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:03,501 INFO L93 Difference]: Finished difference Result 58847 states and 171171 transitions. [2024-11-09 04:42:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:42:03,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2024-11-09 04:42:03,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:03,837 INFO L225 Difference]: With dead ends: 58847 [2024-11-09 04:42:03,837 INFO L226 Difference]: Without dead ends: 57227 [2024-11-09 04:42:03,861 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 [2024-11-09 04:42:03,861 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 83 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:03,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 551 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:04,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57227 states. [2024-11-09 04:42:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57227 to 54741. [2024-11-09 04:42:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54741 states, 54652 states have (on average 2.9102503110590647) internal successors, (159051), 54740 states have internal predecessors, (159051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54741 states to 54741 states and 159051 transitions. [2024-11-09 04:42:06,382 INFO L78 Accepts]: Start accepts. Automaton has 54741 states and 159051 transitions. Word has length 178 [2024-11-09 04:42:06,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:06,383 INFO L471 AbstractCegarLoop]: Abstraction has 54741 states and 159051 transitions. [2024-11-09 04:42:06,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 54741 states and 159051 transitions. [2024-11-09 04:42:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 04:42:06,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:06,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:06,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 04:42:06,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:06,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash -830180148, now seen corresponding path program 1 times [2024-11-09 04:42:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:06,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688869938] [2024-11-09 04:42:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:06,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:06,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:42:06,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:06,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688869938] [2024-11-09 04:42:06,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688869938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:06,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:06,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:42:06,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475592783] [2024-11-09 04:42:06,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:06,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:42:06,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:06,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:42:06,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:42:06,509 INFO L87 Difference]: Start difference. First operand 54741 states and 159051 transitions. Second operand has 3 states, 2 states have (on average 95.5) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:07,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:07,279 INFO L93 Difference]: Finished difference Result 60812 states and 176665 transitions. [2024-11-09 04:42:07,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:42:07,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 95.5) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2024-11-09 04:42:07,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:07,580 INFO L225 Difference]: With dead ends: 60812 [2024-11-09 04:42:07,581 INFO L226 Difference]: Without dead ends: 57686 [2024-11-09 04:42:07,609 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 [2024-11-09 04:42:07,610 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 80 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:07,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 532 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57686 states. [2024-11-09 04:42:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57686 to 54722. [2024-11-09 04:42:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54722 states, 54644 states have (on average 2.9043627845692117) internal successors, (158706), 54721 states have internal predecessors, (158706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54722 states to 54722 states and 158706 transitions. [2024-11-09 04:42:10,457 INFO L78 Accepts]: Start accepts. Automaton has 54722 states and 158706 transitions. Word has length 191 [2024-11-09 04:42:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:10,458 INFO L471 AbstractCegarLoop]: Abstraction has 54722 states and 158706 transitions. [2024-11-09 04:42:10,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 95.5) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 54722 states and 158706 transitions. [2024-11-09 04:42:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 04:42:10,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:10,462 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:10,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 04:42:10,463 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:10,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:10,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2050932074, now seen corresponding path program 1 times [2024-11-09 04:42:10,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:10,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978353645] [2024-11-09 04:42:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:10,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:42:10,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:10,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978353645] [2024-11-09 04:42:10,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978353645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:42:10,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745143430] [2024-11-09 04:42:10,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:10,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:42:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:42:10,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:42:10,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:42:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:10,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:42:11,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:42:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:42:11,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:42:11,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745143430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:11,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:42:11,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 04:42:11,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214950902] [2024-11-09 04:42:11,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:11,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:42:11,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:11,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:42:11,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:42:11,410 INFO L87 Difference]: Start difference. First operand 54722 states and 158706 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:12,138 INFO L93 Difference]: Finished difference Result 80857 states and 233010 transitions. [2024-11-09 04:42:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:42:12,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 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 196 [2024-11-09 04:42:12,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:12,426 INFO L225 Difference]: With dead ends: 80857 [2024-11-09 04:42:12,426 INFO L226 Difference]: Without dead ends: 70745 [2024-11-09 04:42:12,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:42:12,468 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 335 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:12,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 955 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:42:12,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70745 states. [2024-11-09 04:42:14,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70745 to 54556. [2024-11-09 04:42:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54556 states, 54486 states have (on average 2.913188709026172) internal successors, (158728), 54555 states have internal predecessors, (158728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54556 states to 54556 states and 158728 transitions. [2024-11-09 04:42:14,912 INFO L78 Accepts]: Start accepts. Automaton has 54556 states and 158728 transitions. Word has length 196 [2024-11-09 04:42:14,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:14,912 INFO L471 AbstractCegarLoop]: Abstraction has 54556 states and 158728 transitions. [2024-11-09 04:42:14,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 54556 states and 158728 transitions. [2024-11-09 04:42:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-09 04:42:14,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:14,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:14,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 04:42:15,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 04:42:15,118 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:15,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:15,119 INFO L85 PathProgramCache]: Analyzing trace with hash 53469101, now seen corresponding path program 1 times [2024-11-09 04:42:15,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:15,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766523811] [2024-11-09 04:42:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:15,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:42:15,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:15,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766523811] [2024-11-09 04:42:15,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766523811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:15,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:15,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:42:15,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857990734] [2024-11-09 04:42:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:15,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:42:15,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:15,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:42:15,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:42:15,466 INFO L87 Difference]: Start difference. First operand 54556 states and 158728 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:16,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:16,570 INFO L93 Difference]: Finished difference Result 114088 states and 330122 transitions. [2024-11-09 04:42:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:42:16,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2024-11-09 04:42:16,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:17,503 INFO L225 Difference]: With dead ends: 114088 [2024-11-09 04:42:17,503 INFO L226 Difference]: Without dead ends: 71784 [2024-11-09 04:42:17,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:42:17,561 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 92 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:17,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 547 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71784 states. [2024-11-09 04:42:19,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71784 to 61293. [2024-11-09 04:42:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61293 states, 61204 states have (on average 2.8656623750081693) internal successors, (175390), 61292 states have internal predecessors, (175390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61293 states to 61293 states and 175390 transitions. [2024-11-09 04:42:19,358 INFO L78 Accepts]: Start accepts. Automaton has 61293 states and 175390 transitions. Word has length 204 [2024-11-09 04:42:19,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:19,359 INFO L471 AbstractCegarLoop]: Abstraction has 61293 states and 175390 transitions. [2024-11-09 04:42:19,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:19,359 INFO L276 IsEmpty]: Start isEmpty. Operand 61293 states and 175390 transitions. [2024-11-09 04:42:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-09 04:42:19,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:19,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:19,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 04:42:19,362 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:19,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1880876641, now seen corresponding path program 1 times [2024-11-09 04:42:19,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:19,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150074700] [2024-11-09 04:42:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:19,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:42:19,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:19,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150074700] [2024-11-09 04:42:19,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150074700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:19,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:19,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:42:19,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652102966] [2024-11-09 04:42:19,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:19,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:42:19,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:19,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:42:19,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:42:19,838 INFO L87 Difference]: Start difference. First operand 61293 states and 175390 transitions. Second operand has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:20,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:20,484 INFO L93 Difference]: Finished difference Result 71180 states and 202328 transitions. [2024-11-09 04:42:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:42:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2024-11-09 04:42:20,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:21,304 INFO L225 Difference]: With dead ends: 71180 [2024-11-09 04:42:21,305 INFO L226 Difference]: Without dead ends: 26738 [2024-11-09 04:42:21,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:42:21,356 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 377 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:21,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 612 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:21,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26738 states. [2024-11-09 04:42:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26738 to 24616. [2024-11-09 04:42:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24616 states, 24594 states have (on average 2.7907619744653167) internal successors, (68636), 24615 states have internal predecessors, (68636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24616 states to 24616 states and 68636 transitions. [2024-11-09 04:42:21,966 INFO L78 Accepts]: Start accepts. Automaton has 24616 states and 68636 transitions. Word has length 204 [2024-11-09 04:42:21,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:21,967 INFO L471 AbstractCegarLoop]: Abstraction has 24616 states and 68636 transitions. [2024-11-09 04:42:21,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 24616 states and 68636 transitions. [2024-11-09 04:42:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-09 04:42:21,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:21,972 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:21,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 04:42:21,972 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:21,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:21,973 INFO L85 PathProgramCache]: Analyzing trace with hash 578606933, now seen corresponding path program 1 times [2024-11-09 04:42:21,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:21,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842517830] [2024-11-09 04:42:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:21,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:42:22,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:22,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842517830] [2024-11-09 04:42:22,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842517830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:22,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:22,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:42:22,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672838290] [2024-11-09 04:42:22,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:22,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:42:22,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:22,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:42:22,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:42:22,094 INFO L87 Difference]: Start difference. First operand 24616 states and 68636 transitions. Second operand has 3 states, 2 states have (on average 93.5) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:22,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:22,483 INFO L93 Difference]: Finished difference Result 27123 states and 75820 transitions. [2024-11-09 04:42:22,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:42:22,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 93.5) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 206 [2024-11-09 04:42:22,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:22,728 INFO L225 Difference]: With dead ends: 27123 [2024-11-09 04:42:22,728 INFO L226 Difference]: Without dead ends: 26108 [2024-11-09 04:42:22,747 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 [2024-11-09 04:42:22,748 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 77 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:22,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 534 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26108 states. [2024-11-09 04:42:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26108 to 24834. [2024-11-09 04:42:23,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24834 states, 24814 states have (on average 2.7890706859031194) internal successors, (69208), 24833 states have internal predecessors, (69208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24834 states to 24834 states and 69208 transitions. [2024-11-09 04:42:24,122 INFO L78 Accepts]: Start accepts. Automaton has 24834 states and 69208 transitions. Word has length 206 [2024-11-09 04:42:24,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:24,122 INFO L471 AbstractCegarLoop]: Abstraction has 24834 states and 69208 transitions. [2024-11-09 04:42:24,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 93.5) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24834 states and 69208 transitions. [2024-11-09 04:42:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-09 04:42:24,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:24,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:24,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 04:42:24,130 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:24,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:24,131 INFO L85 PathProgramCache]: Analyzing trace with hash -831291405, now seen corresponding path program 1 times [2024-11-09 04:42:24,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:24,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782404583] [2024-11-09 04:42:24,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:24,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:42:24,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:24,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782404583] [2024-11-09 04:42:24,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782404583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:42:24,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671272305] [2024-11-09 04:42:24,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:24,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:42:24,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:42:24,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:42:24,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:42:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:25,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:42:25,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:42:25,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 04:42:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:42:25,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 04:42:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:42:25,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 04:42:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:42:25,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:42:26,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:42:26,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-11-09 04:42:26,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-09 04:42:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:42:26,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671272305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:42:26,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [420518620] [2024-11-09 04:42:26,433 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 04:42:26,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:42:26,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-09 04:42:26,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095213992] [2024-11-09 04:42:26,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:42:26,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 04:42:26,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:26,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 04:42:26,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-09 04:42:26,446 INFO L87 Difference]: Start difference. First operand 24834 states and 69208 transitions. Second operand has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 12 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:27,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:27,363 INFO L93 Difference]: Finished difference Result 39065 states and 108162 transitions. [2024-11-09 04:42:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:42:27,364 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 12 states have internal predecessors, (431), 0 states have call successors, (0), 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 214 [2024-11-09 04:42:27,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:27,571 INFO L225 Difference]: With dead ends: 39065 [2024-11-09 04:42:27,571 INFO L226 Difference]: Without dead ends: 18677 [2024-11-09 04:42:27,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 422 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=122, Unknown=1, NotChecked=0, Total=182 [2024-11-09 04:42:27,641 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 354 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:27,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1187 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:42:27,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18677 states. [2024-11-09 04:42:28,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18677 to 18677. [2024-11-09 04:42:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18677 states, 18663 states have (on average 2.690403472110593) internal successors, (50211), 18676 states have internal predecessors, (50211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18677 states to 18677 states and 50211 transitions. [2024-11-09 04:42:28,281 INFO L78 Accepts]: Start accepts. Automaton has 18677 states and 50211 transitions. Word has length 214 [2024-11-09 04:42:28,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:28,281 INFO L471 AbstractCegarLoop]: Abstraction has 18677 states and 50211 transitions. [2024-11-09 04:42:28,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 12 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 18677 states and 50211 transitions. [2024-11-09 04:42:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 04:42:28,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:28,289 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:28,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 04:42:28,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c51c4ef-e313-49da-996a-9cd294f9b398/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 04:42:28,490 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:28,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:28,491 INFO L85 PathProgramCache]: Analyzing trace with hash -300490666, now seen corresponding path program 1 times [2024-11-09 04:42:28,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:28,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995768112] [2024-11-09 04:42:28,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:28,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:42:28,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:28,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995768112] [2024-11-09 04:42:28,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995768112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:28,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:28,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:42:28,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544014581] [2024-11-09 04:42:28,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:28,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:42:28,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:42:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:42:28,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:42:28,580 INFO L87 Difference]: Start difference. First operand 18677 states and 50211 transitions. Second operand has 3 states, 2 states have (on average 100.0) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:28,824 INFO L93 Difference]: Finished difference Result 18677 states and 50211 transitions. [2024-11-09 04:42:28,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:42:28,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 100.0) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2024-11-09 04:42:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:28,964 INFO L225 Difference]: With dead ends: 18677 [2024-11-09 04:42:28,964 INFO L226 Difference]: Without dead ends: 16974 [2024-11-09 04:42:28,972 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 [2024-11-09 04:42:28,972 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 45 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:28,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 505 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:42:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16974 states. [2024-11-09 04:42:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16974 to 16974. [2024-11-09 04:42:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16974 states, 16970 states have (on average 2.672539776075427) internal successors, (45353), 16973 states have internal predecessors, (45353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16974 states to 16974 states and 45353 transitions. [2024-11-09 04:42:29,596 INFO L78 Accepts]: Start accepts. Automaton has 16974 states and 45353 transitions. Word has length 219 [2024-11-09 04:42:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:29,597 INFO L471 AbstractCegarLoop]: Abstraction has 16974 states and 45353 transitions. [2024-11-09 04:42:29,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 100.0) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:42:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 16974 states and 45353 transitions. [2024-11-09 04:42:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-09 04:42:29,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:29,609 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:29,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 04:42:29,610 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-09 04:42:29,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:29,610 INFO L85 PathProgramCache]: Analyzing trace with hash 899193907, now seen corresponding path program 1 times [2024-11-09 04:42:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:29,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238120982] [2024-11-09 04:42:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:29,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:42:29,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:42:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:42:29,768 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:42:29,768 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:42:29,768 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining) [2024-11-09 04:42:29,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2024-11-09 04:42:29,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2024-11-09 04:42:29,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2024-11-09 04:42:29,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2024-11-09 04:42:29,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2024-11-09 04:42:29,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2024-11-09 04:42:29,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2024-11-09 04:42:29,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2024-11-09 04:42:29,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2024-11-09 04:42:29,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2024-11-09 04:42:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2024-11-09 04:42:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2024-11-09 04:42:29,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2024-11-09 04:42:29,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 04:42:29,772 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:29,772 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 04:42:29,772 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-09 04:42:29,801 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 04:42:29,805 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 302 places, 299 transitions, 616 flow