./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-11-racy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91 --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 deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:36,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:36,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-25 00:01:36,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:36,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:36,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:36,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:36,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:36,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:36,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:36,831 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:36,832 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:36,833 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:36,833 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:36,834 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:36,834 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:36,835 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:36,835 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:36,836 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:36,836 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:36,837 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:36,838 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:36,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:36,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:36,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:36,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:36,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:36,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:36,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:36,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:36,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:36,857 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:01:36,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:01:36,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:36,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:36,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:36,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:36,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:36,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:36,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:36,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:36,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:36,863 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:36,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:36,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:36,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:36,864 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:36,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:36,865 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_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 [2023-11-25 00:01:37,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:37,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:37,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:37,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:37,248 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:37,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/fib_safe-11-racy.i [2023-11-25 00:01:40,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:40,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:40,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/sv-benchmarks/c/pthread/fib_safe-11-racy.i [2023-11-25 00:01:40,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/data/01d58c16e/0aef97d6676342fc80f94bff39bd88bb/FLAG63d47808e [2023-11-25 00:01:40,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/data/01d58c16e/0aef97d6676342fc80f94bff39bd88bb [2023-11-25 00:01:40,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:40,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:40,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:40,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:40,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:40,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e97c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40, skipping insertion in model container [2023-11-25 00:01:40,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:41,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:41,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:41,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:41,593 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:41,593 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:41,601 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:41,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41 WrapperNode [2023-11-25 00:01:41,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:41,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:41,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:41,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:41,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,675 INFO L138 Inliner]: procedures = 164, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123 [2023-11-25 00:01:41,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:41,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:41,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:41,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:41,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:41,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:41,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:41,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:41,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (1/1) ... [2023-11-25 00:01:41,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:41,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:41,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-25 00:01:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-25 00:01:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-25 00:01:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-25 00:01:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:01:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-25 00:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-25 00:01:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:41,809 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:01:41,966 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:41,969 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:42,407 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:42,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:42,490 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-25 00:01:42,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:42 BoogieIcfgContainer [2023-11-25 00:01:42,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:42,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:42,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:42,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:42,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:40" (1/3) ... [2023-11-25 00:01:42,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2221155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:42, skipping insertion in model container [2023-11-25 00:01:42,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:41" (2/3) ... [2023-11-25 00:01:42,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2221155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:42, skipping insertion in model container [2023-11-25 00:01:42,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:42" (3/3) ... [2023-11-25 00:01:42,507 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-11-racy.i [2023-11-25 00:01:42,517 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:01:42,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:42,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-25 00:01:42,529 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-25 00:01:42,633 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-25 00:01:42,687 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 191 places, 193 transitions, 394 flow [2023-11-25 00:01:45,497 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 77395 states, 76434 states have (on average 3.146662480048146) internal successors, (240512), 77394 states have internal predecessors, (240512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:45,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:45,543 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;@ea27a95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:45,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-11-25 00:01:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 77395 states, 76434 states have (on average 3.146662480048146) internal successors, (240512), 77394 states have internal predecessors, (240512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-25 00:01:45,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:45,780 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] [2023-11-25 00:01:45,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:01:45,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:45,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1678568219, now seen corresponding path program 1 times [2023-11-25 00:01:45,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:45,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207677406] [2023-11-25 00:01:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:45,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:01:46,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:46,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207677406] [2023-11-25 00:01:46,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207677406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:46,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-25 00:01:46,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256798338] [2023-11-25 00:01:46,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:46,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:01:46,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:46,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:01:46,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:46,261 INFO L87 Difference]: Start difference. First operand has 77395 states, 76434 states have (on average 3.146662480048146) internal successors, (240512), 77394 states have internal predecessors, (240512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:47,683 INFO L93 Difference]: Finished difference Result 60194 states and 181039 transitions. [2023-11-25 00:01:47,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:01:47,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-25 00:01:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:48,342 INFO L225 Difference]: With dead ends: 60194 [2023-11-25 00:01:48,343 INFO L226 Difference]: Without dead ends: 60194 [2023-11-25 00:01:48,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:48,352 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:48,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:01:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60194 states. [2023-11-25 00:01:50,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60194 to 60194. [2023-11-25 00:01:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60194 states, 59796 states have (on average 3.027610542511205) internal successors, (181039), 60193 states have internal predecessors, (181039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60194 states to 60194 states and 181039 transitions. [2023-11-25 00:01:51,465 INFO L78 Accepts]: Start accepts. Automaton has 60194 states and 181039 transitions. Word has length 22 [2023-11-25 00:01:51,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:51,466 INFO L495 AbstractCegarLoop]: Abstraction has 60194 states and 181039 transitions. [2023-11-25 00:01:51,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 60194 states and 181039 transitions. [2023-11-25 00:01:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-25 00:01:51,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:51,473 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] [2023-11-25 00:01:51,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:01:51,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:01:51,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:51,476 INFO L85 PathProgramCache]: Analyzing trace with hash -495615639, now seen corresponding path program 1 times [2023-11-25 00:01:51,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:51,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53458285] [2023-11-25 00:01:51,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:01:51,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:51,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53458285] [2023-11-25 00:01:51,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53458285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:51,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:51,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:01:51,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823514157] [2023-11-25 00:01:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:51,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:51,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:51,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:51,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:51,649 INFO L87 Difference]: Start difference. First operand 60194 states and 181039 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:52,465 INFO L93 Difference]: Finished difference Result 57874 states and 174059 transitions. [2023-11-25 00:01:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:52,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-25 00:01:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:52,752 INFO L225 Difference]: With dead ends: 57874 [2023-11-25 00:01:52,752 INFO L226 Difference]: Without dead ends: 57874 [2023-11-25 00:01:52,759 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 [2023-11-25 00:01:52,761 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 123 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:52,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 442 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:01:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57874 states. [2023-11-25 00:01:55,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57874 to 57874. [2023-11-25 00:01:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57874 states, 57556 states have (on average 3.02416776704427) internal successors, (174059), 57873 states have internal predecessors, (174059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57874 states to 57874 states and 174059 transitions. [2023-11-25 00:01:55,477 INFO L78 Accepts]: Start accepts. Automaton has 57874 states and 174059 transitions. Word has length 32 [2023-11-25 00:01:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:55,478 INFO L495 AbstractCegarLoop]: Abstraction has 57874 states and 174059 transitions. [2023-11-25 00:01:55,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 57874 states and 174059 transitions. [2023-11-25 00:01:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-25 00:01:55,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:55,481 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] [2023-11-25 00:01:55,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:01:55,482 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:01:55,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1212581605, now seen corresponding path program 1 times [2023-11-25 00:01:55,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:55,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259016084] [2023-11-25 00:01:55,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:01:55,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259016084] [2023-11-25 00:01:55,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259016084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:55,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:55,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:01:55,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251358151] [2023-11-25 00:01:55,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:55,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:55,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:55,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:55,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:55,587 INFO L87 Difference]: Start difference. First operand 57874 states and 174059 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:56,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:56,012 INFO L93 Difference]: Finished difference Result 53234 states and 160099 transitions. [2023-11-25 00:01:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:56,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-25 00:01:56,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:56,357 INFO L225 Difference]: With dead ends: 53234 [2023-11-25 00:01:56,358 INFO L226 Difference]: Without dead ends: 53234 [2023-11-25 00:01:56,358 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 [2023-11-25 00:01:56,367 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 132 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:56,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 434 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:01:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53234 states. [2023-11-25 00:01:58,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53234 to 53234. [2023-11-25 00:01:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53234 states, 53076 states have (on average 3.0164104303263244) internal successors, (160099), 53233 states have internal predecessors, (160099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53234 states to 53234 states and 160099 transitions. [2023-11-25 00:01:58,500 INFO L78 Accepts]: Start accepts. Automaton has 53234 states and 160099 transitions. Word has length 35 [2023-11-25 00:01:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:58,501 INFO L495 AbstractCegarLoop]: Abstraction has 53234 states and 160099 transitions. [2023-11-25 00:01:58,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 53234 states and 160099 transitions. [2023-11-25 00:01:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-25 00:01:58,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:58,504 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] [2023-11-25 00:01:58,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:01:58,505 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:01:58,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:58,505 INFO L85 PathProgramCache]: Analyzing trace with hash -87959945, now seen corresponding path program 1 times [2023-11-25 00:01:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550113527] [2023-11-25 00:01:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:01:58,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:58,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550113527] [2023-11-25 00:01:58,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550113527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:58,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:58,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:01:58,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457719064] [2023-11-25 00:01:58,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:58,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:58,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:58,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:58,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:58,605 INFO L87 Difference]: Start difference. First operand 53234 states and 160099 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:01:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:58,849 INFO L93 Difference]: Finished difference Result 51187 states and 153935 transitions. [2023-11-25 00:01:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:58,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-25 00:01:58,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:59,014 INFO L225 Difference]: With dead ends: 51187 [2023-11-25 00:01:59,015 INFO L226 Difference]: Without dead ends: 51187 [2023-11-25 00:01:59,015 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 [2023-11-25 00:01:59,016 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 114 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:59,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 428 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:01:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51187 states. [2023-11-25 00:02:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51187 to 51187. [2023-11-25 00:02:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51187 states, 51061 states have (on average 3.014727482814673) internal successors, (153935), 51186 states have internal predecessors, (153935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51187 states to 51187 states and 153935 transitions. [2023-11-25 00:02:01,135 INFO L78 Accepts]: Start accepts. Automaton has 51187 states and 153935 transitions. Word has length 38 [2023-11-25 00:02:01,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:01,136 INFO L495 AbstractCegarLoop]: Abstraction has 51187 states and 153935 transitions. [2023-11-25 00:02:01,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:01,136 INFO L276 IsEmpty]: Start isEmpty. Operand 51187 states and 153935 transitions. [2023-11-25 00:02:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-25 00:02:01,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:01,142 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] [2023-11-25 00:02:01,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:02:01,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:01,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:01,143 INFO L85 PathProgramCache]: Analyzing trace with hash 498936638, now seen corresponding path program 1 times [2023-11-25 00:02:01,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:01,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890647942] [2023-11-25 00:02:01,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:01,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:01,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:01,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890647942] [2023-11-25 00:02:01,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890647942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:01,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:01,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:01,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546613226] [2023-11-25 00:02:01,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:01,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:01,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:01,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:01,218 INFO L87 Difference]: Start difference. First operand 51187 states and 153935 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:01,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:01,608 INFO L93 Difference]: Finished difference Result 50612 states and 152210 transitions. [2023-11-25 00:02:01,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:01,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-25 00:02:01,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:01,798 INFO L225 Difference]: With dead ends: 50612 [2023-11-25 00:02:01,799 INFO L226 Difference]: Without dead ends: 50612 [2023-11-25 00:02:01,799 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 [2023-11-25 00:02:01,800 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 49 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:01,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 358 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:01,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50612 states. [2023-11-25 00:02:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50612 to 50612. [2023-11-25 00:02:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50612 states, 50494 states have (on average 3.014417554560938) internal successors, (152210), 50611 states have internal predecessors, (152210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50612 states to 50612 states and 152210 transitions. [2023-11-25 00:02:03,661 INFO L78 Accepts]: Start accepts. Automaton has 50612 states and 152210 transitions. Word has length 41 [2023-11-25 00:02:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:03,662 INFO L495 AbstractCegarLoop]: Abstraction has 50612 states and 152210 transitions. [2023-11-25 00:02:03,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 50612 states and 152210 transitions. [2023-11-25 00:02:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-25 00:02:03,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:03,666 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] [2023-11-25 00:02:03,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-25 00:02:03,667 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:03,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash -484121739, now seen corresponding path program 1 times [2023-11-25 00:02:03,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:03,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815512458] [2023-11-25 00:02:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:03,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:03,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815512458] [2023-11-25 00:02:03,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815512458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:03,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:03,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:03,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056987872] [2023-11-25 00:02:03,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:03,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:03,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:03,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:03,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:03,730 INFO L87 Difference]: Start difference. First operand 50612 states and 152210 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:04,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:04,034 INFO L93 Difference]: Finished difference Result 46564 states and 140020 transitions. [2023-11-25 00:02:04,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:04,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-25 00:02:04,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:04,215 INFO L225 Difference]: With dead ends: 46564 [2023-11-25 00:02:04,215 INFO L226 Difference]: Without dead ends: 46564 [2023-11-25 00:02:04,215 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 [2023-11-25 00:02:04,216 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 122 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:04,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 417 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:05,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46564 states. [2023-11-25 00:02:05,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46564 to 46564. [2023-11-25 00:02:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46564 states, 46506 states have (on average 3.0107943061110394) internal successors, (140020), 46563 states have internal predecessors, (140020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46564 states to 46564 states and 140020 transitions. [2023-11-25 00:02:05,984 INFO L78 Accepts]: Start accepts. Automaton has 46564 states and 140020 transitions. Word has length 41 [2023-11-25 00:02:05,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:05,985 INFO L495 AbstractCegarLoop]: Abstraction has 46564 states and 140020 transitions. [2023-11-25 00:02:05,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 46564 states and 140020 transitions. [2023-11-25 00:02:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-25 00:02:05,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:05,988 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] [2023-11-25 00:02:05,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-25 00:02:05,989 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:05,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:05,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1246894669, now seen corresponding path program 1 times [2023-11-25 00:02:05,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:05,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433273778] [2023-11-25 00:02:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:05,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:06,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:06,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433273778] [2023-11-25 00:02:06,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433273778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:06,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:06,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:06,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464227198] [2023-11-25 00:02:06,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:06,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:06,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:06,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:06,056 INFO L87 Difference]: Start difference. First operand 46564 states and 140020 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:06,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:06,800 INFO L93 Difference]: Finished difference Result 44534 states and 133913 transitions. [2023-11-25 00:02:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:06,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-11-25 00:02:06,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:06,989 INFO L225 Difference]: With dead ends: 44534 [2023-11-25 00:02:06,989 INFO L226 Difference]: Without dead ends: 43565 [2023-11-25 00:02:06,990 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 [2023-11-25 00:02:06,990 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 120 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:06,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 426 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43565 states. [2023-11-25 00:02:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43565 to 43565. [2023-11-25 00:02:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43565 states, 43537 states have (on average 3.007763511495969) internal successors, (130949), 43564 states have internal predecessors, (130949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43565 states to 43565 states and 130949 transitions. [2023-11-25 00:02:08,538 INFO L78 Accepts]: Start accepts. Automaton has 43565 states and 130949 transitions. Word has length 44 [2023-11-25 00:02:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:08,538 INFO L495 AbstractCegarLoop]: Abstraction has 43565 states and 130949 transitions. [2023-11-25 00:02:08,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 43565 states and 130949 transitions. [2023-11-25 00:02:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-25 00:02:08,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:08,541 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] [2023-11-25 00:02:08,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-25 00:02:08,542 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:08,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:08,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1060095838, now seen corresponding path program 1 times [2023-11-25 00:02:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:08,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325510293] [2023-11-25 00:02:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:08,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325510293] [2023-11-25 00:02:08,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325510293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:08,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:08,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:08,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710968717] [2023-11-25 00:02:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:08,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:08,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:08,602 INFO L87 Difference]: Start difference. First operand 43565 states and 130949 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:08,932 INFO L93 Difference]: Finished difference Result 42553 states and 127913 transitions. [2023-11-25 00:02:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:08,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-11-25 00:02:08,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:09,089 INFO L225 Difference]: With dead ends: 42553 [2023-11-25 00:02:09,090 INFO L226 Difference]: Without dead ends: 42553 [2023-11-25 00:02:09,090 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 [2023-11-25 00:02:09,092 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 116 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:09,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 281 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:09,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42553 states. [2023-11-25 00:02:10,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42553 to 42553. [2023-11-25 00:02:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42553 states, 42529 states have (on average 3.0076653577558843) internal successors, (127913), 42552 states have internal predecessors, (127913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42553 states to 42553 states and 127913 transitions. [2023-11-25 00:02:10,848 INFO L78 Accepts]: Start accepts. Automaton has 42553 states and 127913 transitions. Word has length 44 [2023-11-25 00:02:10,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:10,848 INFO L495 AbstractCegarLoop]: Abstraction has 42553 states and 127913 transitions. [2023-11-25 00:02:10,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 42553 states and 127913 transitions. [2023-11-25 00:02:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-25 00:02:10,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:10,852 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] [2023-11-25 00:02:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-25 00:02:10,852 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:10,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash -420220774, now seen corresponding path program 1 times [2023-11-25 00:02:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:10,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322037160] [2023-11-25 00:02:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:10,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:10,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322037160] [2023-11-25 00:02:10,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322037160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:10,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:10,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:02:10,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684850621] [2023-11-25 00:02:10,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:10,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:10,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:10,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:10,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:10,967 INFO L87 Difference]: Start difference. First operand 42553 states and 127913 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:11,262 INFO L93 Difference]: Finished difference Result 61275 states and 184079 transitions. [2023-11-25 00:02:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:11,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-11-25 00:02:11,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:11,438 INFO L225 Difference]: With dead ends: 61275 [2023-11-25 00:02:11,438 INFO L226 Difference]: Without dead ends: 61275 [2023-11-25 00:02:11,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:11,439 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 101 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:11,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 288 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:11,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61275 states. [2023-11-25 00:02:13,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61275 to 44071. [2023-11-25 00:02:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44071 states, 44047 states have (on average 3.0074011850977365) internal successors, (132467), 44070 states have internal predecessors, (132467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44071 states to 44071 states and 132467 transitions. [2023-11-25 00:02:13,206 INFO L78 Accepts]: Start accepts. Automaton has 44071 states and 132467 transitions. Word has length 47 [2023-11-25 00:02:13,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:13,206 INFO L495 AbstractCegarLoop]: Abstraction has 44071 states and 132467 transitions. [2023-11-25 00:02:13,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:13,206 INFO L276 IsEmpty]: Start isEmpty. Operand 44071 states and 132467 transitions. [2023-11-25 00:02:13,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-25 00:02:13,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:13,210 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] [2023-11-25 00:02:13,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-25 00:02:13,211 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:13,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash -420221410, now seen corresponding path program 1 times [2023-11-25 00:02:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:13,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358755288] [2023-11-25 00:02:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:13,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358755288] [2023-11-25 00:02:13,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358755288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:13,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:13,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:13,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334144248] [2023-11-25 00:02:13,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:13,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:13,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:13,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:13,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:13,257 INFO L87 Difference]: Start difference. First operand 44071 states and 132467 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:13,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:13,520 INFO L93 Difference]: Finished difference Result 43059 states and 129431 transitions. [2023-11-25 00:02:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:13,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-11-25 00:02:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:13,682 INFO L225 Difference]: With dead ends: 43059 [2023-11-25 00:02:13,682 INFO L226 Difference]: Without dead ends: 43059 [2023-11-25 00:02:13,682 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 [2023-11-25 00:02:13,683 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 92 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:13,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 303 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:13,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43059 states. [2023-11-25 00:02:14,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43059 to 43059. [2023-11-25 00:02:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43059 states, 43039 states have (on average 3.007295708543414) internal successors, (129431), 43058 states have internal predecessors, (129431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43059 states to 43059 states and 129431 transitions. [2023-11-25 00:02:15,197 INFO L78 Accepts]: Start accepts. Automaton has 43059 states and 129431 transitions. Word has length 47 [2023-11-25 00:02:15,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:15,197 INFO L495 AbstractCegarLoop]: Abstraction has 43059 states and 129431 transitions. [2023-11-25 00:02:15,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 43059 states and 129431 transitions. [2023-11-25 00:02:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-25 00:02:15,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:15,202 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] [2023-11-25 00:02:15,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-25 00:02:15,202 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:15,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:15,203 INFO L85 PathProgramCache]: Analyzing trace with hash -105833620, now seen corresponding path program 1 times [2023-11-25 00:02:15,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:15,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103674984] [2023-11-25 00:02:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:15,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:15,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103674984] [2023-11-25 00:02:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103674984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:15,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:15,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:15,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720566950] [2023-11-25 00:02:15,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:15,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:15,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:15,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:15,250 INFO L87 Difference]: Start difference. First operand 43059 states and 129431 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:15,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:15,496 INFO L93 Difference]: Finished difference Result 42047 states and 126395 transitions. [2023-11-25 00:02:15,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:15,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-11-25 00:02:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:15,613 INFO L225 Difference]: With dead ends: 42047 [2023-11-25 00:02:15,613 INFO L226 Difference]: Without dead ends: 42047 [2023-11-25 00:02:15,614 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 [2023-11-25 00:02:15,614 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 64 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:15,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 327 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:15,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42047 states. [2023-11-25 00:02:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42047 to 42047. [2023-11-25 00:02:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42047 states, 42031 states have (on average 3.0071851728486116) internal successors, (126395), 42046 states have internal predecessors, (126395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42047 states to 42047 states and 126395 transitions. [2023-11-25 00:02:17,218 INFO L78 Accepts]: Start accepts. Automaton has 42047 states and 126395 transitions. Word has length 49 [2023-11-25 00:02:17,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:17,218 INFO L495 AbstractCegarLoop]: Abstraction has 42047 states and 126395 transitions. [2023-11-25 00:02:17,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:17,219 INFO L276 IsEmpty]: Start isEmpty. Operand 42047 states and 126395 transitions. [2023-11-25 00:02:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-25 00:02:17,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:17,225 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] [2023-11-25 00:02:17,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-25 00:02:17,226 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:17,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:17,227 INFO L85 PathProgramCache]: Analyzing trace with hash 919608385, now seen corresponding path program 1 times [2023-11-25 00:02:17,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:17,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127023994] [2023-11-25 00:02:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:17,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:17,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:17,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127023994] [2023-11-25 00:02:17,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127023994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:17,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:17,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:17,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292320014] [2023-11-25 00:02:17,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:17,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:17,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:17,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:17,310 INFO L87 Difference]: Start difference. First operand 42047 states and 126395 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:17,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:17,616 INFO L93 Difference]: Finished difference Result 40177 states and 120763 transitions. [2023-11-25 00:02:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:17,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2023-11-25 00:02:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:17,722 INFO L225 Difference]: With dead ends: 40177 [2023-11-25 00:02:17,723 INFO L226 Difference]: Without dead ends: 33071 [2023-11-25 00:02:17,723 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 [2023-11-25 00:02:17,724 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 107 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 400 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 [2023-11-25 00:02:17,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 400 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33071 states. [2023-11-25 00:02:19,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33071 to 33071. [2023-11-25 00:02:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33071 states, 33064 states have (on average 2.995009678199855) internal successors, (99027), 33070 states have internal predecessors, (99027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33071 states to 33071 states and 99027 transitions. [2023-11-25 00:02:19,140 INFO L78 Accepts]: Start accepts. Automaton has 33071 states and 99027 transitions. Word has length 50 [2023-11-25 00:02:19,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:19,141 INFO L495 AbstractCegarLoop]: Abstraction has 33071 states and 99027 transitions. [2023-11-25 00:02:19,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 33071 states and 99027 transitions. [2023-11-25 00:02:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-25 00:02:19,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:19,147 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] [2023-11-25 00:02:19,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-25 00:02:19,148 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:19,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1014768213, now seen corresponding path program 1 times [2023-11-25 00:02:19,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:19,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018904058] [2023-11-25 00:02:19,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:19,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018904058] [2023-11-25 00:02:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018904058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:19,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:19,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:19,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488102882] [2023-11-25 00:02:19,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:19,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:19,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:19,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:19,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:19,190 INFO L87 Difference]: Start difference. First operand 33071 states and 99027 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:19,356 INFO L93 Difference]: Finished difference Result 32587 states and 97575 transitions. [2023-11-25 00:02:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:19,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-11-25 00:02:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:19,427 INFO L225 Difference]: With dead ends: 32587 [2023-11-25 00:02:19,427 INFO L226 Difference]: Without dead ends: 32587 [2023-11-25 00:02:19,427 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 [2023-11-25 00:02:19,428 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 45 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:19,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 302 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:19,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32587 states. [2023-11-25 00:02:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32587 to 32587. [2023-11-25 00:02:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32587 states, 32581 states have (on average 2.994843620515024) internal successors, (97575), 32586 states have internal predecessors, (97575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32587 states to 32587 states and 97575 transitions. [2023-11-25 00:02:20,079 INFO L78 Accepts]: Start accepts. Automaton has 32587 states and 97575 transitions. Word has length 53 [2023-11-25 00:02:20,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:20,079 INFO L495 AbstractCegarLoop]: Abstraction has 32587 states and 97575 transitions. [2023-11-25 00:02:20,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32587 states and 97575 transitions. [2023-11-25 00:02:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-25 00:02:20,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:20,088 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] [2023-11-25 00:02:20,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-25 00:02:20,088 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:20,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:20,089 INFO L85 PathProgramCache]: Analyzing trace with hash -952634815, now seen corresponding path program 1 times [2023-11-25 00:02:20,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:20,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218914974] [2023-11-25 00:02:20,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:20,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218914974] [2023-11-25 00:02:20,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218914974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:20,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:20,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:20,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585969059] [2023-11-25 00:02:20,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:20,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:20,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:20,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:20,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:20,143 INFO L87 Difference]: Start difference. First operand 32587 states and 97575 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:20,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:20,816 INFO L93 Difference]: Finished difference Result 32103 states and 96123 transitions. [2023-11-25 00:02:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:20,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2023-11-25 00:02:20,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:20,896 INFO L225 Difference]: With dead ends: 32103 [2023-11-25 00:02:20,896 INFO L226 Difference]: Without dead ends: 32103 [2023-11-25 00:02:20,897 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 [2023-11-25 00:02:20,897 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 45 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:20,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 299 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:20,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32103 states. [2023-11-25 00:02:21,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32103 to 32103. [2023-11-25 00:02:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32103 states, 32098 states have (on average 2.994672565268864) internal successors, (96123), 32102 states have internal predecessors, (96123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32103 states to 32103 states and 96123 transitions. [2023-11-25 00:02:21,589 INFO L78 Accepts]: Start accepts. Automaton has 32103 states and 96123 transitions. Word has length 60 [2023-11-25 00:02:21,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:21,589 INFO L495 AbstractCegarLoop]: Abstraction has 32103 states and 96123 transitions. [2023-11-25 00:02:21,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32103 states and 96123 transitions. [2023-11-25 00:02:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-25 00:02:21,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:21,603 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] [2023-11-25 00:02:21,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-25 00:02:21,603 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:21,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:21,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1200574010, now seen corresponding path program 1 times [2023-11-25 00:02:21,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:21,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495918793] [2023-11-25 00:02:21,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:21,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:21,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:21,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495918793] [2023-11-25 00:02:21,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495918793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:21,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:21,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:21,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714320352] [2023-11-25 00:02:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:21,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:21,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:21,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:21,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:21,649 INFO L87 Difference]: Start difference. First operand 32103 states and 96123 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:21,859 INFO L93 Difference]: Finished difference Result 35007 states and 104835 transitions. [2023-11-25 00:02:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:21,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-25 00:02:21,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:21,943 INFO L225 Difference]: With dead ends: 35007 [2023-11-25 00:02:21,943 INFO L226 Difference]: Without dead ends: 35007 [2023-11-25 00:02:21,943 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 [2023-11-25 00:02:21,944 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:21,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35007 states. [2023-11-25 00:02:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35007 to 31619. [2023-11-25 00:02:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31619 states, 31615 states have (on average 2.9944962834097737) internal successors, (94671), 31618 states have internal predecessors, (94671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31619 states to 31619 states and 94671 transitions. [2023-11-25 00:02:23,160 INFO L78 Accepts]: Start accepts. Automaton has 31619 states and 94671 transitions. Word has length 63 [2023-11-25 00:02:23,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:23,161 INFO L495 AbstractCegarLoop]: Abstraction has 31619 states and 94671 transitions. [2023-11-25 00:02:23,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 31619 states and 94671 transitions. [2023-11-25 00:02:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-25 00:02:23,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:23,177 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] [2023-11-25 00:02:23,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-25 00:02:23,177 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:23,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:23,178 INFO L85 PathProgramCache]: Analyzing trace with hash 923132931, now seen corresponding path program 1 times [2023-11-25 00:02:23,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:23,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513681038] [2023-11-25 00:02:23,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:23,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:23,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:23,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513681038] [2023-11-25 00:02:23,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513681038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:23,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:23,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819761451] [2023-11-25 00:02:23,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:23,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:23,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:23,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:23,254 INFO L87 Difference]: Start difference. First operand 31619 states and 94671 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:23,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:23,425 INFO L93 Difference]: Finished difference Result 31135 states and 93219 transitions. [2023-11-25 00:02:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:23,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-25 00:02:23,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:23,496 INFO L225 Difference]: With dead ends: 31135 [2023-11-25 00:02:23,497 INFO L226 Difference]: Without dead ends: 31135 [2023-11-25 00:02:23,497 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 [2023-11-25 00:02:23,497 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:23,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31135 states. [2023-11-25 00:02:24,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31135 to 31135. [2023-11-25 00:02:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31135 states, 31132 states have (on average 2.994314531671592) internal successors, (93219), 31134 states have internal predecessors, (93219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31135 states to 31135 states and 93219 transitions. [2023-11-25 00:02:24,630 INFO L78 Accepts]: Start accepts. Automaton has 31135 states and 93219 transitions. Word has length 67 [2023-11-25 00:02:24,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:24,630 INFO L495 AbstractCegarLoop]: Abstraction has 31135 states and 93219 transitions. [2023-11-25 00:02:24,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 31135 states and 93219 transitions. [2023-11-25 00:02:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-25 00:02:24,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:24,662 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] [2023-11-25 00:02:24,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-25 00:02:24,662 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:24,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash -957748646, now seen corresponding path program 1 times [2023-11-25 00:02:24,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:24,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213333207] [2023-11-25 00:02:24,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:24,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:24,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213333207] [2023-11-25 00:02:24,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213333207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:24,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:24,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781954000] [2023-11-25 00:02:24,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:24,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:24,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:24,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:24,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:24,724 INFO L87 Difference]: Start difference. First operand 31135 states and 93219 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:24,947 INFO L93 Difference]: Finished difference Result 30651 states and 91767 transitions. [2023-11-25 00:02:24,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:24,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2023-11-25 00:02:24,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:25,040 INFO L225 Difference]: With dead ends: 30651 [2023-11-25 00:02:25,040 INFO L226 Difference]: Without dead ends: 30651 [2023-11-25 00:02:25,040 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 [2023-11-25 00:02:25,041 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:25,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 290 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:25,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30651 states. [2023-11-25 00:02:25,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30651 to 30651. [2023-11-25 00:02:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30651 states, 30649 states have (on average 2.994127051453555) internal successors, (91767), 30650 states have internal predecessors, (91767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30651 states to 30651 states and 91767 transitions. [2023-11-25 00:02:25,827 INFO L78 Accepts]: Start accepts. Automaton has 30651 states and 91767 transitions. Word has length 75 [2023-11-25 00:02:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:25,827 INFO L495 AbstractCegarLoop]: Abstraction has 30651 states and 91767 transitions. [2023-11-25 00:02:25,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 30651 states and 91767 transitions. [2023-11-25 00:02:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-25 00:02:25,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:25,874 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:25,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-25 00:02:25,874 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-25 00:02:25,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:25,874 INFO L85 PathProgramCache]: Analyzing trace with hash 227043692, now seen corresponding path program 1 times [2023-11-25 00:02:25,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:25,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252837975] [2023-11-25 00:02:25,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:25,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:26,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:26,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252837975] [2023-11-25 00:02:26,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252837975] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:02:26,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117564938] [2023-11-25 00:02:26,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:26,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:26,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:26,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:26,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0b68b9-1c27-45e4-80d5-69a979c2de2f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:02:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:26,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:26,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-25 00:02:26,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:26,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117564938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:26,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:02:26,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-25 00:02:26,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170984793] [2023-11-25 00:02:26,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:26,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:26,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:26,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:26,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:02:26,326 INFO L87 Difference]: Start difference. First operand 30651 states and 91767 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:02:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:26,873 INFO L93 Difference]: Finished difference Result 49575 states and 148229 transitions. [2023-11-25 00:02:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:26,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-11-25 00:02:26,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:26,999 INFO L225 Difference]: With dead ends: 49575 [2023-11-25 00:02:26,999 INFO L226 Difference]: Without dead ends: 49575 [2023-11-25 00:02:27,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:02:27,000 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 100 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:27,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 345 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:27,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49575 states. [2023-11-25 00:02:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49575 to 30871.