./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5 --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 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:47:25,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:47:25,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-21 19:47:25,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:47:25,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:47:25,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:47:25,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:47:25,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:47:25,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:47:25,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:47:25,587 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:47:25,588 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:47:25,588 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:47:25,589 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:47:25,589 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:47:25,590 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:47:25,590 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:47:25,591 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:47:25,591 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:47:25,592 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:47:25,592 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:47:25,593 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:47:25,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:47:25,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:47:25,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:47:25,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:47:25,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:47:25,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:47:25,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:47:25,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:47:25,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:47:25,598 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 19:47:25,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:47:25,598 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:47:25,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:47:25,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:47:25,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:47:25,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:47:25,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:25,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:47:25,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:47:25,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:47:25,601 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:47:25,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:47:25,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:47:25,602 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:47:25,602 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:47:25,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:47:25,602 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_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 [2023-11-21 19:47:25,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:47:25,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:47:25,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:47:25,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:47:25,922 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:47:25,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2023-11-21 19:47:28,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:47:29,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:47:29,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2023-11-21 19:47:29,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/data/27364675e/a6f38f6ccad54304a8f5b56f46934e42/FLAG279193442 [2023-11-21 19:47:29,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/data/27364675e/a6f38f6ccad54304a8f5b56f46934e42 [2023-11-21 19:47:29,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:47:29,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:47:29,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:29,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:47:29,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:47:29,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6926c995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29, skipping insertion in model container [2023-11-21 19:47:29,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:47:29,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:47:29,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:47:29,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:47:29,616 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:47:29,616 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:47:29,624 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:47:29,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29 WrapperNode [2023-11-21 19:47:29,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:29,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:47:29,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:47:29,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:47:29,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,714 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-21 19:47:29,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:47:29,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:47:29,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:47:29,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:47:29,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:47:29,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:47:29,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:47:29,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:47:29,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (1/1) ... [2023-11-21 19:47:29,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:47:29,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:47:29,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:47:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:47:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 19:47:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 19:47:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 19:47:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 19:47:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 19:47:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 19:47:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:47:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:47:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:47:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 19:47:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 19:47:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:47:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:47:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:47:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:47:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:47:29,898 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:47:30,027 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:47:30,029 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:47:30,620 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:47:30,918 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:47:30,918 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 19:47:30,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:47:30 BoogieIcfgContainer [2023-11-21 19:47:30,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:47:30,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:47:30,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:47:30,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:47:30,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:47:29" (1/3) ... [2023-11-21 19:47:30,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8eb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:47:30, skipping insertion in model container [2023-11-21 19:47:30,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:29" (2/3) ... [2023-11-21 19:47:30,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8eb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:47:30, skipping insertion in model container [2023-11-21 19:47:30,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:47:30" (3/3) ... [2023-11-21 19:47:30,933 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2023-11-21 19:47:30,942 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:47:30,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:47:30,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-21 19:47:30,951 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 19:47:31,055 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 19:47:31,100 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 252 places, 255 transitions, 531 flow [2023-11-21 19:47:35,015 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 98985 states, 97743 states have (on average 4.021157525347084) internal successors, (393040), 98984 states have internal predecessors, (393040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:35,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:47:35,054 INFO L357 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, mHoare=true, 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;@42b34c27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:47:35,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-21 19:47:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 98985 states, 97743 states have (on average 4.021157525347084) internal successors, (393040), 98984 states have internal predecessors, (393040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 19:47:35,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:35,315 INFO L195 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] [2023-11-21 19:47:35,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:35,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:35,321 INFO L85 PathProgramCache]: Analyzing trace with hash 324532946, now seen corresponding path program 1 times [2023-11-21 19:47:35,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:35,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118906315] [2023-11-21 19:47:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:35,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:35,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118906315] [2023-11-21 19:47:35,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118906315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:35,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:35,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:47:35,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822605999] [2023-11-21 19:47:35,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:35,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:47:35,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:35,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:47:35,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:47:36,025 INFO L87 Difference]: Start difference. First operand has 98985 states, 97743 states have (on average 4.021157525347084) internal successors, (393040), 98984 states have internal predecessors, (393040), 0 states have call successors, (0), 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 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:37,514 INFO L93 Difference]: Finished difference Result 36992 states and 140495 transitions. [2023-11-21 19:47:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:47:37,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-21 19:47:37,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:37,983 INFO L225 Difference]: With dead ends: 36992 [2023-11-21 19:47:37,983 INFO L226 Difference]: Without dead ends: 36989 [2023-11-21 19:47:37,985 INFO L412 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 [2023-11-21 19:47:37,989 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 2 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:37,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 369 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:47:38,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36989 states. [2023-11-21 19:47:40,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36989 to 36989. [2023-11-21 19:47:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36989 states, 36948 states have (on average 3.802425029771571) internal successors, (140492), 36988 states have internal predecessors, (140492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36989 states to 36989 states and 140492 transitions. [2023-11-21 19:47:40,521 INFO L78 Accepts]: Start accepts. Automaton has 36989 states and 140492 transitions. Word has length 22 [2023-11-21 19:47:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:40,522 INFO L495 AbstractCegarLoop]: Abstraction has 36989 states and 140492 transitions. [2023-11-21 19:47:40,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 36989 states and 140492 transitions. [2023-11-21 19:47:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 19:47:40,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:40,524 INFO L195 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] [2023-11-21 19:47:40,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:47:40,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:40,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:40,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1719453302, now seen corresponding path program 1 times [2023-11-21 19:47:40,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:40,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818903386] [2023-11-21 19:47:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:40,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818903386] [2023-11-21 19:47:40,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818903386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:40,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:47:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642644630] [2023-11-21 19:47:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:40,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:47:40,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:40,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:47:40,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:47:40,609 INFO L87 Difference]: Start difference. First operand 36989 states and 140492 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:41,169 INFO L93 Difference]: Finished difference Result 36988 states and 140491 transitions. [2023-11-21 19:47:41,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:47:41,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2023-11-21 19:47:41,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:42,239 INFO L225 Difference]: With dead ends: 36988 [2023-11-21 19:47:42,240 INFO L226 Difference]: Without dead ends: 36988 [2023-11-21 19:47:42,245 INFO L412 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 [2023-11-21 19:47:42,247 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:42,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 361 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:47:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36988 states. [2023-11-21 19:47:43,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36988 to 36988. [2023-11-21 19:47:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36988 states, 36948 states have (on average 3.802397964707156) internal successors, (140491), 36987 states have internal predecessors, (140491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36988 states to 36988 states and 140491 transitions. [2023-11-21 19:47:43,903 INFO L78 Accepts]: Start accepts. Automaton has 36988 states and 140491 transitions. Word has length 30 [2023-11-21 19:47:43,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:43,903 INFO L495 AbstractCegarLoop]: Abstraction has 36988 states and 140491 transitions. [2023-11-21 19:47:43,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 36988 states and 140491 transitions. [2023-11-21 19:47:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 19:47:43,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:43,905 INFO L195 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] [2023-11-21 19:47:43,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:47:43,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:43,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:43,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1231106825, now seen corresponding path program 1 times [2023-11-21 19:47:43,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:43,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631256266] [2023-11-21 19:47:43,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:43,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:43,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:43,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631256266] [2023-11-21 19:47:43,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631256266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:43,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:43,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:47:43,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990277223] [2023-11-21 19:47:43,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:43,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:47:43,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:47:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:47:43,961 INFO L87 Difference]: Start difference. First operand 36988 states and 140491 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:44,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:44,837 INFO L93 Difference]: Finished difference Result 32561 states and 123449 transitions. [2023-11-21 19:47:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:47:44,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2023-11-21 19:47:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:45,150 INFO L225 Difference]: With dead ends: 32561 [2023-11-21 19:47:45,150 INFO L226 Difference]: Without dead ends: 32561 [2023-11-21 19:47:45,151 INFO L412 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 [2023-11-21 19:47:45,159 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 159 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:45,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 212 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:47:45,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32561 states. [2023-11-21 19:47:46,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32561 to 32561. [2023-11-21 19:47:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32561 states, 32542 states have (on average 3.79352836334583) internal successors, (123449), 32560 states have internal predecessors, (123449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32561 states to 32561 states and 123449 transitions. [2023-11-21 19:47:46,491 INFO L78 Accepts]: Start accepts. Automaton has 32561 states and 123449 transitions. Word has length 34 [2023-11-21 19:47:46,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:46,491 INFO L495 AbstractCegarLoop]: Abstraction has 32561 states and 123449 transitions. [2023-11-21 19:47:46,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32561 states and 123449 transitions. [2023-11-21 19:47:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 19:47:46,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:46,495 INFO L195 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] [2023-11-21 19:47:46,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:47:46,495 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:46,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash 272872926, now seen corresponding path program 1 times [2023-11-21 19:47:46,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:46,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720761104] [2023-11-21 19:47:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:46,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:47,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:47,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720761104] [2023-11-21 19:47:47,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720761104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:47,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:47,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:47:47,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642596310] [2023-11-21 19:47:47,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:47,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:47:47,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:47,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:47:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:47:47,312 INFO L87 Difference]: Start difference. First operand 32561 states and 123449 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:47,774 INFO L93 Difference]: Finished difference Result 32560 states and 123448 transitions. [2023-11-21 19:47:47,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:47:47,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2023-11-21 19:47:47,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:47,986 INFO L225 Difference]: With dead ends: 32560 [2023-11-21 19:47:47,986 INFO L226 Difference]: Without dead ends: 32560 [2023-11-21 19:47:47,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:47:47,994 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 6 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:47,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 329 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:47:48,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32560 states. [2023-11-21 19:47:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32560 to 32560. [2023-11-21 19:47:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32560 states, 32542 states have (on average 3.7934976338270543) internal successors, (123448), 32559 states have internal predecessors, (123448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32560 states to 32560 states and 123448 transitions. [2023-11-21 19:47:49,443 INFO L78 Accepts]: Start accepts. Automaton has 32560 states and 123448 transitions. Word has length 64 [2023-11-21 19:47:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:49,444 INFO L495 AbstractCegarLoop]: Abstraction has 32560 states and 123448 transitions. [2023-11-21 19:47:49,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32560 states and 123448 transitions. [2023-11-21 19:47:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 19:47:49,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:49,446 INFO L195 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] [2023-11-21 19:47:49,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 19:47:49,447 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:49,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash -61399772, now seen corresponding path program 1 times [2023-11-21 19:47:49,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:49,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675236792] [2023-11-21 19:47:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:49,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:49,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675236792] [2023-11-21 19:47:49,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675236792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:49,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:49,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:47:49,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969773423] [2023-11-21 19:47:49,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:49,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:47:49,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:49,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:47:49,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:47:49,512 INFO L87 Difference]: Start difference. First operand 32560 states and 123448 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:50,264 INFO L93 Difference]: Finished difference Result 32559 states and 123447 transitions. [2023-11-21 19:47:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:47:50,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2023-11-21 19:47:50,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:50,429 INFO L225 Difference]: With dead ends: 32559 [2023-11-21 19:47:50,429 INFO L226 Difference]: Without dead ends: 32559 [2023-11-21 19:47:50,430 INFO L412 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 [2023-11-21 19:47:50,430 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 2 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:50,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 361 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:47:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32559 states. [2023-11-21 19:47:51,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32559 to 32559. [2023-11-21 19:47:51,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32559 states, 32542 states have (on average 3.7934669043082785) internal successors, (123447), 32558 states have internal predecessors, (123447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32559 states to 32559 states and 123447 transitions. [2023-11-21 19:47:51,950 INFO L78 Accepts]: Start accepts. Automaton has 32559 states and 123447 transitions. Word has length 64 [2023-11-21 19:47:51,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:51,951 INFO L495 AbstractCegarLoop]: Abstraction has 32559 states and 123447 transitions. [2023-11-21 19:47:51,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32559 states and 123447 transitions. [2023-11-21 19:47:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 19:47:51,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:51,953 INFO L195 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] [2023-11-21 19:47:51,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 19:47:51,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:51,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1796568989, now seen corresponding path program 1 times [2023-11-21 19:47:51,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:51,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303283233] [2023-11-21 19:47:51,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:52,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:52,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303283233] [2023-11-21 19:47:52,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303283233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:52,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:52,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:47:52,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093984117] [2023-11-21 19:47:52,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:52,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:47:52,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:52,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:47:52,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:47:52,025 INFO L87 Difference]: Start difference. First operand 32559 states and 123447 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:52,257 INFO L93 Difference]: Finished difference Result 28439 states and 107707 transitions. [2023-11-21 19:47:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:47:52,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2023-11-21 19:47:52,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:52,365 INFO L225 Difference]: With dead ends: 28439 [2023-11-21 19:47:52,365 INFO L226 Difference]: Without dead ends: 28439 [2023-11-21 19:47:52,366 INFO L412 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 [2023-11-21 19:47:52,366 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 104 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:52,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 255 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:47:52,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28439 states. [2023-11-21 19:47:53,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28439 to 28439. [2023-11-21 19:47:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28439 states, 28434 states have (on average 3.787965112189632) internal successors, (107707), 28438 states have internal predecessors, (107707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28439 states to 28439 states and 107707 transitions. [2023-11-21 19:47:53,968 INFO L78 Accepts]: Start accepts. Automaton has 28439 states and 107707 transitions. Word has length 68 [2023-11-21 19:47:53,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:53,969 INFO L495 AbstractCegarLoop]: Abstraction has 28439 states and 107707 transitions. [2023-11-21 19:47:53,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 28439 states and 107707 transitions. [2023-11-21 19:47:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 19:47:53,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:53,980 INFO L195 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] [2023-11-21 19:47:53,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 19:47:53,980 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:53,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:53,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1643369405, now seen corresponding path program 1 times [2023-11-21 19:47:53,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:53,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053559860] [2023-11-21 19:47:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:53,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:54,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:54,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053559860] [2023-11-21 19:47:54,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053559860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:54,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:54,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:47:54,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487193504] [2023-11-21 19:47:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:54,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:47:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:47:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:47:54,839 INFO L87 Difference]: Start difference. First operand 28439 states and 107707 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:55,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:55,384 INFO L93 Difference]: Finished difference Result 25904 states and 97567 transitions. [2023-11-21 19:47:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:47:55,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2023-11-21 19:47:55,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:55,527 INFO L225 Difference]: With dead ends: 25904 [2023-11-21 19:47:55,527 INFO L226 Difference]: Without dead ends: 25904 [2023-11-21 19:47:55,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:47:55,528 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 206 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:55,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 610 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 19:47:55,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25904 states. [2023-11-21 19:47:56,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25904 to 25904. [2023-11-21 19:47:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25904 states, 25900 states have (on average 3.7670656370656372) internal successors, (97567), 25903 states have internal predecessors, (97567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25904 states to 25904 states and 97567 transitions. [2023-11-21 19:47:56,857 INFO L78 Accepts]: Start accepts. Automaton has 25904 states and 97567 transitions. Word has length 101 [2023-11-21 19:47:56,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:56,858 INFO L495 AbstractCegarLoop]: Abstraction has 25904 states and 97567 transitions. [2023-11-21 19:47:56,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 25904 states and 97567 transitions. [2023-11-21 19:47:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 19:47:56,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:56,950 INFO L195 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] [2023-11-21 19:47:56,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 19:47:56,950 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:56,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:56,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1852674955, now seen corresponding path program 1 times [2023-11-21 19:47:56,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:56,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090144603] [2023-11-21 19:47:56,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:56,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:47:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:47:57,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:47:57,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090144603] [2023-11-21 19:47:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090144603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:47:57,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:47:57,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:47:57,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399566559] [2023-11-21 19:47:57,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:47:57,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:47:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:47:57,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:47:57,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:47:57,592 INFO L87 Difference]: Start difference. First operand 25904 states and 97567 transitions. Second operand has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:47:58,438 INFO L93 Difference]: Finished difference Result 25709 states and 96982 transitions. [2023-11-21 19:47:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:47:58,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-11-21 19:47:58,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:47:58,558 INFO L225 Difference]: With dead ends: 25709 [2023-11-21 19:47:58,558 INFO L226 Difference]: Without dead ends: 25709 [2023-11-21 19:47:58,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:47:58,560 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 143 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:47:58,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 521 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 19:47:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25709 states. [2023-11-21 19:47:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25709 to 25709. [2023-11-21 19:47:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25709 states, 25706 states have (on average 3.7727378822064885) internal successors, (96982), 25708 states have internal predecessors, (96982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25709 states to 25709 states and 96982 transitions. [2023-11-21 19:47:59,227 INFO L78 Accepts]: Start accepts. Automaton has 25709 states and 96982 transitions. Word has length 117 [2023-11-21 19:47:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:47:59,228 INFO L495 AbstractCegarLoop]: Abstraction has 25709 states and 96982 transitions. [2023-11-21 19:47:59,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:47:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 25709 states and 96982 transitions. [2023-11-21 19:47:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-21 19:47:59,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:59,307 INFO L195 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] [2023-11-21 19:47:59,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 19:47:59,308 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:47:59,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash -303690640, now seen corresponding path program 1 times [2023-11-21 19:47:59,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:59,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704890647] [2023-11-21 19:47:59,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:59,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:48:00,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:00,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704890647] [2023-11-21 19:48:00,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704890647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:00,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:00,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:48:00,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529799899] [2023-11-21 19:48:00,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:00,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:48:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:00,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:48:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:48:00,491 INFO L87 Difference]: Start difference. First operand 25709 states and 96982 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:00,790 INFO L93 Difference]: Finished difference Result 25694 states and 96952 transitions. [2023-11-21 19:48:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:48:00,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2023-11-21 19:48:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:00,894 INFO L225 Difference]: With dead ends: 25694 [2023-11-21 19:48:00,894 INFO L226 Difference]: Without dead ends: 25694 [2023-11-21 19:48:00,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:48:00,895 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 72 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:00,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 579 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:48:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25694 states. [2023-11-21 19:48:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25694 to 25694. [2023-11-21 19:48:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25694 states, 25692 states have (on average 3.7736260314494783) internal successors, (96952), 25693 states have internal predecessors, (96952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25694 states to 25694 states and 96952 transitions. [2023-11-21 19:48:01,987 INFO L78 Accepts]: Start accepts. Automaton has 25694 states and 96952 transitions. Word has length 133 [2023-11-21 19:48:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:01,988 INFO L495 AbstractCegarLoop]: Abstraction has 25694 states and 96952 transitions. [2023-11-21 19:48:01,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 25694 states and 96952 transitions. [2023-11-21 19:48:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-21 19:48:02,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:02,075 INFO L195 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] [2023-11-21 19:48:02,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 19:48:02,076 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:48:02,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1882659015, now seen corresponding path program 1 times [2023-11-21 19:48:02,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:48:02,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135259707] [2023-11-21 19:48:02,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:48:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:48:02,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:02,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135259707] [2023-11-21 19:48:02,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135259707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:02,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:02,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:48:02,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151607675] [2023-11-21 19:48:02,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:02,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:48:02,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:02,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:48:02,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:48:02,185 INFO L87 Difference]: Start difference. First operand 25694 states and 96952 transitions. Second operand has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:02,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:02,490 INFO L93 Difference]: Finished difference Result 25693 states and 96951 transitions. [2023-11-21 19:48:02,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:48:02,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2023-11-21 19:48:02,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:02,627 INFO L225 Difference]: With dead ends: 25693 [2023-11-21 19:48:02,627 INFO L226 Difference]: Without dead ends: 25693 [2023-11-21 19:48:02,627 INFO L412 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 [2023-11-21 19:48:02,628 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 3 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:02,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 347 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:48:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25693 states. [2023-11-21 19:48:03,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25693 to 25693. [2023-11-21 19:48:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25693 states, 25692 states have (on average 3.7735871088276505) internal successors, (96951), 25692 states have internal predecessors, (96951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25693 states to 25693 states and 96951 transitions. [2023-11-21 19:48:03,965 INFO L78 Accepts]: Start accepts. Automaton has 25693 states and 96951 transitions. Word has length 147 [2023-11-21 19:48:03,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:03,965 INFO L495 AbstractCegarLoop]: Abstraction has 25693 states and 96951 transitions. [2023-11-21 19:48:03,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 25693 states and 96951 transitions. [2023-11-21 19:48:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-21 19:48:04,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:04,024 INFO L195 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] [2023-11-21 19:48:04,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 19:48:04,025 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 19:48:04,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:04,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1054103695, now seen corresponding path program 1 times [2023-11-21 19:48:04,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:48:04,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405505488] [2023-11-21 19:48:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:04,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:48:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:48:04,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:04,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405505488] [2023-11-21 19:48:04,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405505488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:04,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:04,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:48:04,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780960438] [2023-11-21 19:48:04,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:04,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:48:04,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:04,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:48:04,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:48:04,105 INFO L87 Difference]: Start difference. First operand 25693 states and 96951 transitions. Second operand has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:04,365 INFO L93 Difference]: Finished difference Result 25692 states and 96950 transitions. [2023-11-21 19:48:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:48:04,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2023-11-21 19:48:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:04,366 INFO L225 Difference]: With dead ends: 25692 [2023-11-21 19:48:04,367 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:48:04,367 INFO L412 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 [2023-11-21 19:48:04,368 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:04,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:48:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:48:04,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:48:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:48:04,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2023-11-21 19:48:04,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:04,370 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:48:04,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:48:04,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:48:04,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-11-21 19:48:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-11-21 19:48:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-11-21 19:48:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-11-21 19:48:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-11-21 19:48:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-11-21 19:48:04,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-11-21 19:48:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-11-21 19:48:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-11-21 19:48:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-11-21 19:48:04,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-11-21 19:48:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-11-21 19:48:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-11-21 19:48:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-11-21 19:48:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-11-21 19:48:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-11-21 19:48:04,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-11-21 19:48:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-11-21 19:48:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-11-21 19:48:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-11-21 19:48:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-11-21 19:48:04,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-11-21 19:48:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-11-21 19:48:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-11-21 19:48:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-11-21 19:48:04,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-11-21 19:48:04,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-11-21 19:48:04,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2023-11-21 19:48:04,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-11-21 19:48:04,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-11-21 19:48:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-11-21 19:48:04,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-11-21 19:48:04,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-11-21 19:48:04,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-11-21 19:48:04,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-11-21 19:48:04,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-11-21 19:48:04,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-11-21 19:48:04,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 19:48:04,395 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:48:04,400 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 19:48:04,403 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:48:04,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:48:04 BasicIcfg [2023-11-21 19:48:04,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:48:04,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:48:04,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:48:04,409 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:48:04,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:47:30" (3/4) ... [2023-11-21 19:48:04,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:48:04,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 19:48:04,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 19:48:04,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 19:48:04,425 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 19:48:04,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 19:48:04,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 19:48:04,427 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:48:04,543 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:48:04,543 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:48:04,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:48:04,544 INFO L158 Benchmark]: Toolchain (without parser) took 35349.89ms. Allocated memory was 123.7MB in the beginning and 14.0GB in the end (delta: 13.9GB). Free memory was 82.3MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-11-21 19:48:04,545 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:48:04,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.50ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 69.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:48:04,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.17ms. Allocated memory is still 123.7MB. Free memory was 69.4MB in the beginning and 67.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:48:04,546 INFO L158 Benchmark]: Boogie Preprocessor took 70.68ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 64.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:48:04,547 INFO L158 Benchmark]: RCFGBuilder took 1127.03ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 64.6MB in the beginning and 83.9MB in the end (delta: -19.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 19:48:04,547 INFO L158 Benchmark]: TraceAbstraction took 33484.31ms. Allocated memory was 159.4MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 83.9MB in the beginning and 11.6GB in the end (delta: -11.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-11-21 19:48:04,548 INFO L158 Benchmark]: Witness Printer took 134.81ms. Allocated memory is still 14.0GB. Free memory was 11.6GB in the beginning and 11.6GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:48:04,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.50ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 69.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.17ms. Allocated memory is still 123.7MB. Free memory was 69.4MB in the beginning and 67.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.68ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 64.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.03ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 64.6MB in the beginning and 83.9MB in the end (delta: -19.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 33484.31ms. Allocated memory was 159.4MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 83.9MB in the beginning and 11.6GB in the end (delta: -11.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Witness Printer took 134.81ms. Allocated memory is still 14.0GB. Free memory was 11.6GB in the beginning and 11.6GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 309 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 33.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 699 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 699 mSDsluCounter, 4293 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2023 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 2270 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98985occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 14.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 19:48:04,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649e508c-3cb8-41aa-8142-8a9a069bf592/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE