./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh --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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:45:06,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:45:06,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 18:45:06,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:45:06,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:45:06,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:45:06,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:45:06,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:45:06,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:45:06,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:45:06,763 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:45:06,763 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:45:06,764 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:45:06,764 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:45:06,765 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:45:06,765 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:45:06,766 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:45:06,766 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:45:06,767 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:45:06,767 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:45:06,768 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:45:06,769 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:45:06,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:45:06,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:45:06,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:45:06,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:45:06,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:45:06,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:45:06,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:45:06,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:45:06,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:45:06,773 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 18:45:06,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:45:06,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:45:06,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:45:06,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:45:06,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:45:06,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:45:06,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:45:06,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:45:06,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:45:06,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:45:06,776 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:45:06,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:45:06,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:45:06,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:45:06,777 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:45:06,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:45:06,777 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_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-12-02 18:45:07,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:45:07,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:45:07,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:45:07,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:45:07,025 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:45:07,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-12-02 18:45:09,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:45:10,076 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:45:10,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-12-02 18:45:10,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/data/636eb8d8f/da25c0a3f25a41eab6029f45f73aaea6/FLAGbafee9694 [2023-12-02 18:45:10,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/data/636eb8d8f/da25c0a3f25a41eab6029f45f73aaea6 [2023-12-02 18:45:10,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:45:10,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:45:10,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:45:10,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:45:10,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:45:10,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff0c4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10, skipping insertion in model container [2023-12-02 18:45:10,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:45:10,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:45:10,608 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:45:10,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:45:10,732 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:45:10,732 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:45:10,738 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:45:10,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10 WrapperNode [2023-12-02 18:45:10,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:45:10,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:45:10,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:45:10,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:45:10,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,784 INFO L138 Inliner]: procedures = 324, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-12-02 18:45:10,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:45:10,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:45:10,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:45:10,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:45:10,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:45:10,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:45:10,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:45:10,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:45:10,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (1/1) ... [2023-12-02 18:45:10,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:45:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:45:10,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:45:10,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a92ddc0-1ccc-4a5e-813c-b0bb079354f5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:45:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 18:45:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:45:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:45:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 18:45:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:45:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-12-02 18:45:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-12-02 18:45:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 18:45:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 18:45:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 18:45:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 18:45:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 18:45:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 18:45:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:45:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:45:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:45:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:45:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:45:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:45:10,902 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 18:45:11,048 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:45:11,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:45:11,369 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:45:11,403 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:45:11,403 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 18:45:11,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:11 BoogieIcfgContainer [2023-12-02 18:45:11,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:45:11,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:45:11,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:45:11,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:45:11,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:45:10" (1/3) ... [2023-12-02 18:45:11,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18db374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:45:11, skipping insertion in model container [2023-12-02 18:45:11,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:10" (2/3) ... [2023-12-02 18:45:11,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18db374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:45:11, skipping insertion in model container [2023-12-02 18:45:11,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:11" (3/3) ... [2023-12-02 18:45:11,413 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-12-02 18:45:11,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 18:45:11,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:45:11,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-12-02 18:45:11,431 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 18:45:11,567 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-12-02 18:45:11,604 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 294 places, 286 transitions, 669 flow [2023-12-02 18:45:22,850 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 301471 states, 301060 states have (on average 5.057985119245333) internal successors, (1522757), 301470 states have internal predecessors, (1522757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:22,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:45:22,874 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;@911526a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:45:22,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-12-02 18:45:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 301471 states, 301060 states have (on average 5.057985119245333) internal successors, (1522757), 301470 states have internal predecessors, (1522757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:23,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 18:45:23,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:45:23,269 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] [2023-12-02 18:45:23,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:45:23,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:45:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash 801025672, now seen corresponding path program 1 times [2023-12-02 18:45:23,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:45:23,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646829401] [2023-12-02 18:45:23,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:45:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:45:23,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:45:23,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646829401] [2023-12-02 18:45:23,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646829401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:45:23,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:45:23,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:45:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212700555] [2023-12-02 18:45:23,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:23,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:45:23,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:45:23,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:45:23,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:45:24,425 INFO L87 Difference]: Start difference. First operand has 301471 states, 301060 states have (on average 5.057985119245333) internal successors, (1522757), 301470 states have internal predecessors, (1522757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2023-12-02 18:45:27,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:45:27,944 INFO L93 Difference]: Finished difference Result 128634 states and 606448 transitions. [2023-12-02 18:45:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:45:27,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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 [2023-12-02 18:45:27,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:45:28,900 INFO L225 Difference]: With dead ends: 128634 [2023-12-02 18:45:28,900 INFO L226 Difference]: Without dead ends: 128634 [2023-12-02 18:45:28,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:45:28,904 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 452 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:45:28,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 858 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 18:45:29,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128634 states. [2023-12-02 18:45:33,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128634 to 120272. [2023-12-02 18:45:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120272 states, 120256 states have (on average 4.775004989356041) internal successors, (574223), 120271 states have internal predecessors, (574223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120272 states to 120272 states and 574223 transitions. [2023-12-02 18:45:34,616 INFO L78 Accepts]: Start accepts. Automaton has 120272 states and 574223 transitions. Word has length 22 [2023-12-02 18:45:34,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:45:34,617 INFO L495 AbstractCegarLoop]: Abstraction has 120272 states and 574223 transitions. [2023-12-02 18:45:34,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2023-12-02 18:45:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 120272 states and 574223 transitions. [2023-12-02 18:45:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 18:45:34,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:45:34,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:45:34,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:45:34,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:45:34,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:45:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash 464122076, now seen corresponding path program 1 times [2023-12-02 18:45:34,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:45:34,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272727648] [2023-12-02 18:45:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:45:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:45:34,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:45:34,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272727648] [2023-12-02 18:45:34,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272727648] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:45:34,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:45:34,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:45:34,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158906092] [2023-12-02 18:45:34,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:34,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:45:34,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:45:34,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:45:34,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:45:34,690 INFO L87 Difference]: Start difference. First operand 120272 states and 574223 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:45:36,352 INFO L93 Difference]: Finished difference Result 120182 states and 573972 transitions. [2023-12-02 18:45:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:45:36,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-12-02 18:45:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:45:37,109 INFO L225 Difference]: With dead ends: 120182 [2023-12-02 18:45:37,109 INFO L226 Difference]: Without dead ends: 120182 [2023-12-02 18:45:37,109 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 [2023-12-02 18:45:37,111 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 19 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:45:37,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 291 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:45:37,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120182 states. [2023-12-02 18:45:40,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120182 to 120182. [2023-12-02 18:45:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120182 states, 120168 states have (on average 4.776413021769523) internal successors, (573972), 120181 states have internal predecessors, (573972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120182 states to 120182 states and 573972 transitions. [2023-12-02 18:45:41,959 INFO L78 Accepts]: Start accepts. Automaton has 120182 states and 573972 transitions. Word has length 30 [2023-12-02 18:45:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:45:41,960 INFO L495 AbstractCegarLoop]: Abstraction has 120182 states and 573972 transitions. [2023-12-02 18:45:41,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 120182 states and 573972 transitions. [2023-12-02 18:45:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 18:45:41,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:45:41,964 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] [2023-12-02 18:45:41,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:45:41,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:45:41,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:45:41,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1911541757, now seen corresponding path program 1 times [2023-12-02 18:45:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:45:41,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194263367] [2023-12-02 18:45:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:45:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:45:42,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:45:42,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194263367] [2023-12-02 18:45:42,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194263367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:45:42,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:45:42,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:45:42,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374468239] [2023-12-02 18:45:42,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:42,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:45:42,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:45:42,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:45:42,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:45:42,368 INFO L87 Difference]: Start difference. First operand 120182 states and 573972 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:45:44,381 INFO L93 Difference]: Finished difference Result 120083 states and 573695 transitions. [2023-12-02 18:45:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:45:44,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-12-02 18:45:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:45:45,267 INFO L225 Difference]: With dead ends: 120083 [2023-12-02 18:45:45,268 INFO L226 Difference]: Without dead ends: 120083 [2023-12-02 18:45:45,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:45:45,269 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 126 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:45:45,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 422 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 18:45:45,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120083 states. [2023-12-02 18:45:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120083 to 120083. [2023-12-02 18:45:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120083 states, 120070 states have (on average 4.77800449737653) internal successors, (573695), 120082 states have internal predecessors, (573695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120083 states to 120083 states and 573695 transitions. [2023-12-02 18:45:50,127 INFO L78 Accepts]: Start accepts. Automaton has 120083 states and 573695 transitions. Word has length 32 [2023-12-02 18:45:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:45:50,128 INFO L495 AbstractCegarLoop]: Abstraction has 120083 states and 573695 transitions. [2023-12-02 18:45:50,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 120083 states and 573695 transitions. [2023-12-02 18:45:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:45:50,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:45:50,133 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] [2023-12-02 18:45:50,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:45:50,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:45:50,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:45:50,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1325414735, now seen corresponding path program 1 times [2023-12-02 18:45:50,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:45:50,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428785802] [2023-12-02 18:45:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:50,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:45:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:45:51,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:45:51,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428785802] [2023-12-02 18:45:51,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428785802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:45:51,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:45:51,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:45:51,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605384503] [2023-12-02 18:45:51,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:51,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:45:51,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:45:51,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:45:51,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:45:51,631 INFO L87 Difference]: Start difference. First operand 120083 states and 573695 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:45:54,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:45:54,274 INFO L93 Difference]: Finished difference Result 147246 states and 687977 transitions. [2023-12-02 18:45:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 18:45:54,275 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:45:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:45:55,488 INFO L225 Difference]: With dead ends: 147246 [2023-12-02 18:45:55,489 INFO L226 Difference]: Without dead ends: 147246 [2023-12-02 18:45:55,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2023-12-02 18:45:55,490 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 1014 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:45:55,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1041 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 18:45:55,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147246 states. [2023-12-02 18:45:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147246 to 127687. [2023-12-02 18:45:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127687 states, 127674 states have (on average 4.785563231354857) internal successors, (610992), 127686 states have internal predecessors, (610992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127687 states to 127687 states and 610992 transitions. [2023-12-02 18:46:00,567 INFO L78 Accepts]: Start accepts. Automaton has 127687 states and 610992 transitions. Word has length 58 [2023-12-02 18:46:00,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:46:00,568 INFO L495 AbstractCegarLoop]: Abstraction has 127687 states and 610992 transitions. [2023-12-02 18:46:00,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 127687 states and 610992 transitions. [2023-12-02 18:46:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:46:00,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:46:00,572 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] [2023-12-02 18:46:00,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 18:46:00,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:46:00,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:46:00,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1974429745, now seen corresponding path program 2 times [2023-12-02 18:46:00,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:46:00,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079624718] [2023-12-02 18:46:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:00,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:46:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:46:01,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:46:01,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079624718] [2023-12-02 18:46:01,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079624718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:46:01,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:46:01,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:46:01,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526134220] [2023-12-02 18:46:01,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:46:01,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:46:01,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:46:01,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:46:01,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:46:01,589 INFO L87 Difference]: Start difference. First operand 127687 states and 610992 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:46:05,463 INFO L93 Difference]: Finished difference Result 156038 states and 730385 transitions. [2023-12-02 18:46:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 18:46:05,464 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:46:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:46:06,353 INFO L225 Difference]: With dead ends: 156038 [2023-12-02 18:46:06,354 INFO L226 Difference]: Without dead ends: 156038 [2023-12-02 18:46:06,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:46:06,355 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 798 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:46:06,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 1661 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 18:46:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156038 states. [2023-12-02 18:46:10,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156038 to 127696. [2023-12-02 18:46:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127696 states, 127683 states have (on average 4.785429540346013) internal successors, (611018), 127695 states have internal predecessors, (611018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127696 states to 127696 states and 611018 transitions. [2023-12-02 18:46:12,200 INFO L78 Accepts]: Start accepts. Automaton has 127696 states and 611018 transitions. Word has length 58 [2023-12-02 18:46:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:46:12,200 INFO L495 AbstractCegarLoop]: Abstraction has 127696 states and 611018 transitions. [2023-12-02 18:46:12,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 127696 states and 611018 transitions. [2023-12-02 18:46:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:46:12,206 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:46:12,206 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] [2023-12-02 18:46:12,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 18:46:12,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:46:12,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:46:12,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1248008337, now seen corresponding path program 3 times [2023-12-02 18:46:12,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:46:12,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782707188] [2023-12-02 18:46:12,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:12,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:46:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:46:12,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:46:12,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782707188] [2023-12-02 18:46:12,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782707188] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:46:12,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:46:12,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:46:12,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346496000] [2023-12-02 18:46:12,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:46:12,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:46:12,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:46:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:46:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:46:12,915 INFO L87 Difference]: Start difference. First operand 127696 states and 611018 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:16,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:46:16,616 INFO L93 Difference]: Finished difference Result 164577 states and 772144 transitions. [2023-12-02 18:46:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 18:46:16,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:46:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:46:17,661 INFO L225 Difference]: With dead ends: 164577 [2023-12-02 18:46:17,661 INFO L226 Difference]: Without dead ends: 164577 [2023-12-02 18:46:17,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2023-12-02 18:46:17,663 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 953 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 1798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:46:17,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 1581 Invalid, 1798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 18:46:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164577 states. [2023-12-02 18:46:22,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164577 to 136232. [2023-12-02 18:46:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136232 states, 136219 states have (on average 4.7913653748742835) internal successors, (652675), 136231 states have internal predecessors, (652675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136232 states to 136232 states and 652675 transitions. [2023-12-02 18:46:24,084 INFO L78 Accepts]: Start accepts. Automaton has 136232 states and 652675 transitions. Word has length 58 [2023-12-02 18:46:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:46:24,084 INFO L495 AbstractCegarLoop]: Abstraction has 136232 states and 652675 transitions. [2023-12-02 18:46:24,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 136232 states and 652675 transitions. [2023-12-02 18:46:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:46:24,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:46:24,091 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] [2023-12-02 18:46:24,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 18:46:24,091 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:46:24,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:46:24,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1504921905, now seen corresponding path program 4 times [2023-12-02 18:46:24,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:46:24,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324275366] [2023-12-02 18:46:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:24,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:46:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:46:24,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:46:24,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324275366] [2023-12-02 18:46:24,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324275366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:46:24,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:46:24,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:46:24,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375464803] [2023-12-02 18:46:25,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:46:25,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:46:25,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:46:25,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:46:25,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:46:25,589 INFO L87 Difference]: Start difference. First operand 136232 states and 652675 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:46:30,542 INFO L93 Difference]: Finished difference Result 207603 states and 981076 transitions. [2023-12-02 18:46:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 18:46:30,542 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:46:30,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:46:32,443 INFO L225 Difference]: With dead ends: 207603 [2023-12-02 18:46:32,443 INFO L226 Difference]: Without dead ends: 207603 [2023-12-02 18:46:32,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2023-12-02 18:46:32,445 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 1056 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:46:32,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1748 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1697 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 18:46:32,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207603 states. [2023-12-02 18:46:38,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207603 to 150563. [2023-12-02 18:46:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150563 states, 150550 states have (on average 4.808894055131185) internal successors, (723979), 150562 states have internal predecessors, (723979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150563 states to 150563 states and 723979 transitions. [2023-12-02 18:46:39,926 INFO L78 Accepts]: Start accepts. Automaton has 150563 states and 723979 transitions. Word has length 58 [2023-12-02 18:46:39,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:46:39,927 INFO L495 AbstractCegarLoop]: Abstraction has 150563 states and 723979 transitions. [2023-12-02 18:46:39,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 150563 states and 723979 transitions. [2023-12-02 18:46:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:46:39,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:46:39,933 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] [2023-12-02 18:46:39,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 18:46:39,933 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:46:39,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:46:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1498891299, now seen corresponding path program 5 times [2023-12-02 18:46:39,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:46:39,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371928857] [2023-12-02 18:46:39,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:39,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:46:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:46:40,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:46:40,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371928857] [2023-12-02 18:46:40,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371928857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:46:40,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:46:40,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:46:40,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798339913] [2023-12-02 18:46:40,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:46:40,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:46:40,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:46:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:46:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:46:40,578 INFO L87 Difference]: Start difference. First operand 150563 states and 723979 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:44,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:46:44,145 INFO L93 Difference]: Finished difference Result 181830 states and 856408 transitions. [2023-12-02 18:46:44,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 18:46:44,145 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:46:44,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:46:45,157 INFO L225 Difference]: With dead ends: 181830 [2023-12-02 18:46:45,157 INFO L226 Difference]: Without dead ends: 181830 [2023-12-02 18:46:45,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:46:45,158 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 698 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1655 SdHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:46:45,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1655 Invalid, 1759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 18:46:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181830 states. [2023-12-02 18:46:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181830 to 150572. [2023-12-02 18:46:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150572 states, 150559 states have (on average 4.808779282540399) internal successors, (724005), 150571 states have internal predecessors, (724005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150572 states to 150572 states and 724005 transitions. [2023-12-02 18:46:51,515 INFO L78 Accepts]: Start accepts. Automaton has 150572 states and 724005 transitions. Word has length 58 [2023-12-02 18:46:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:46:51,515 INFO L495 AbstractCegarLoop]: Abstraction has 150572 states and 724005 transitions. [2023-12-02 18:46:51,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 150572 states and 724005 transitions. [2023-12-02 18:46:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:46:51,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:46:51,519 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] [2023-12-02 18:46:51,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 18:46:51,520 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:46:51,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:46:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1534698875, now seen corresponding path program 6 times [2023-12-02 18:46:51,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:46:51,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041893832] [2023-12-02 18:46:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:46:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:46:52,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:46:52,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041893832] [2023-12-02 18:46:52,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041893832] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:46:52,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:46:52,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:46:52,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755504654] [2023-12-02 18:46:52,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:46:52,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:46:52,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:46:52,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:46:52,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:46:52,507 INFO L87 Difference]: Start difference. First operand 150572 states and 724005 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:46:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:46:55,969 INFO L93 Difference]: Finished difference Result 198805 states and 938937 transitions. [2023-12-02 18:46:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 18:46:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:46:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:46:57,631 INFO L225 Difference]: With dead ends: 198805 [2023-12-02 18:46:57,631 INFO L226 Difference]: Without dead ends: 198805 [2023-12-02 18:46:57,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2023-12-02 18:46:57,632 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 799 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:46:57,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1875 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1830 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 18:46:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198805 states. [2023-12-02 18:47:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198805 to 150572. [2023-12-02 18:47:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150572 states, 150559 states have (on average 4.808779282540399) internal successors, (724005), 150571 states have internal predecessors, (724005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150572 states to 150572 states and 724005 transitions. [2023-12-02 18:47:03,945 INFO L78 Accepts]: Start accepts. Automaton has 150572 states and 724005 transitions. Word has length 58 [2023-12-02 18:47:03,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:47:03,946 INFO L495 AbstractCegarLoop]: Abstraction has 150572 states and 724005 transitions. [2023-12-02 18:47:03,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:03,946 INFO L276 IsEmpty]: Start isEmpty. Operand 150572 states and 724005 transitions. [2023-12-02 18:47:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:47:03,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:47:03,949 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] [2023-12-02 18:47:03,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 18:47:03,949 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:47:03,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:47:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash 2117284847, now seen corresponding path program 7 times [2023-12-02 18:47:03,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:47:03,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686361285] [2023-12-02 18:47:03,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:47:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:47:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:47:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:47:04,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:47:04,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686361285] [2023-12-02 18:47:04,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686361285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:47:04,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:47:04,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:47:04,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468366482] [2023-12-02 18:47:04,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:47:04,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:47:04,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:47:04,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:47:04,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:47:04,488 INFO L87 Difference]: Start difference. First operand 150572 states and 724005 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:10,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:47:10,409 INFO L93 Difference]: Finished difference Result 241514 states and 1146350 transitions. [2023-12-02 18:47:10,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 18:47:10,409 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:47:10,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:47:12,636 INFO L225 Difference]: With dead ends: 241514 [2023-12-02 18:47:12,636 INFO L226 Difference]: Without dead ends: 241514 [2023-12-02 18:47:12,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2023-12-02 18:47:12,638 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 976 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 1827 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 1827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:47:12,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 1925 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 1827 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 18:47:13,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241514 states. [2023-12-02 18:47:18,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241514 to 158072. [2023-12-02 18:47:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158072 states, 158059 states have (on average 4.8148476201924595) internal successors, (761030), 158071 states have internal predecessors, (761030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158072 states to 158072 states and 761030 transitions. [2023-12-02 18:47:20,223 INFO L78 Accepts]: Start accepts. Automaton has 158072 states and 761030 transitions. Word has length 58 [2023-12-02 18:47:20,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:47:20,224 INFO L495 AbstractCegarLoop]: Abstraction has 158072 states and 761030 transitions. [2023-12-02 18:47:20,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 158072 states and 761030 transitions. [2023-12-02 18:47:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:47:20,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:47:20,229 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] [2023-12-02 18:47:20,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 18:47:20,229 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:47:20,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:47:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash -422178581, now seen corresponding path program 8 times [2023-12-02 18:47:20,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:47:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090773981] [2023-12-02 18:47:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:47:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:47:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:47:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:47:20,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:47:20,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090773981] [2023-12-02 18:47:20,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090773981] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:47:20,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:47:20,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:47:20,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227229610] [2023-12-02 18:47:20,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:47:20,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:47:20,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:47:20,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:47:20,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:47:20,757 INFO L87 Difference]: Start difference. First operand 158072 states and 761030 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:25,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:47:25,098 INFO L93 Difference]: Finished difference Result 232952 states and 1104574 transitions. [2023-12-02 18:47:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 18:47:25,098 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:47:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:47:27,001 INFO L225 Difference]: With dead ends: 232952 [2023-12-02 18:47:27,001 INFO L226 Difference]: Without dead ends: 232952 [2023-12-02 18:47:27,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2023-12-02 18:47:27,002 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 727 mSDsluCounter, 2049 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 2486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:47:27,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 2414 Invalid, 2486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2320 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 18:47:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232952 states. [2023-12-02 18:47:32,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232952 to 158081. [2023-12-02 18:47:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158081 states, 158068 states have (on average 4.814737960877597) internal successors, (761056), 158080 states have internal predecessors, (761056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158081 states to 158081 states and 761056 transitions. [2023-12-02 18:47:34,054 INFO L78 Accepts]: Start accepts. Automaton has 158081 states and 761056 transitions. Word has length 58 [2023-12-02 18:47:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:47:34,054 INFO L495 AbstractCegarLoop]: Abstraction has 158081 states and 761056 transitions. [2023-12-02 18:47:34,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 158081 states and 761056 transitions. [2023-12-02 18:47:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:47:34,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:47:34,058 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] [2023-12-02 18:47:34,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 18:47:34,058 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:47:34,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:47:34,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1472535681, now seen corresponding path program 9 times [2023-12-02 18:47:34,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:47:34,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638922112] [2023-12-02 18:47:34,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:47:34,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:47:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:47:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:47:34,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:47:34,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638922112] [2023-12-02 18:47:34,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638922112] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:47:34,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:47:34,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:47:34,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132726210] [2023-12-02 18:47:34,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:47:34,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:47:34,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:47:34,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:47:34,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:47:34,494 INFO L87 Difference]: Start difference. First operand 158081 states and 761056 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:47:37,635 INFO L93 Difference]: Finished difference Result 190585 states and 898755 transitions. [2023-12-02 18:47:37,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 18:47:37,636 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:47:37,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:47:38,715 INFO L225 Difference]: With dead ends: 190585 [2023-12-02 18:47:38,716 INFO L226 Difference]: Without dead ends: 190585 [2023-12-02 18:47:38,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:47:38,717 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 622 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:47:38,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 925 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 18:47:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190585 states. [2023-12-02 18:47:43,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190585 to 158090. [2023-12-02 18:47:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158090 states, 158077 states have (on average 4.814628314049482) internal successors, (761082), 158089 states have internal predecessors, (761082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158090 states to 158090 states and 761082 transitions. [2023-12-02 18:47:45,073 INFO L78 Accepts]: Start accepts. Automaton has 158090 states and 761082 transitions. Word has length 58 [2023-12-02 18:47:45,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:47:45,073 INFO L495 AbstractCegarLoop]: Abstraction has 158090 states and 761082 transitions. [2023-12-02 18:47:45,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 158090 states and 761082 transitions. [2023-12-02 18:47:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:47:45,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:47:45,077 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] [2023-12-02 18:47:45,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 18:47:45,077 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:47:45,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:47:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1436728105, now seen corresponding path program 10 times [2023-12-02 18:47:45,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:47:45,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229169224] [2023-12-02 18:47:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:47:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:47:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:47:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:47:45,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:47:45,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229169224] [2023-12-02 18:47:45,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229169224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:47:45,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:47:45,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:47:45,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473259295] [2023-12-02 18:47:45,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:47:45,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:47:45,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:47:45,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:47:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:47:45,518 INFO L87 Difference]: Start difference. First operand 158090 states and 761082 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:49,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:47:49,598 INFO L93 Difference]: Finished difference Result 207560 states and 981284 transitions. [2023-12-02 18:47:49,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 18:47:49,598 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:47:49,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:47:51,360 INFO L225 Difference]: With dead ends: 207560 [2023-12-02 18:47:51,360 INFO L226 Difference]: Without dead ends: 207560 [2023-12-02 18:47:51,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2023-12-02 18:47:51,361 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 664 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 2151 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:47:51,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 2151 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 18:47:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207560 states. [2023-12-02 18:47:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207560 to 158072. [2023-12-02 18:47:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158072 states, 158059 states have (on average 4.8148476201924595) internal successors, (761030), 158071 states have internal predecessors, (761030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158072 states to 158072 states and 761030 transitions. [2023-12-02 18:47:58,127 INFO L78 Accepts]: Start accepts. Automaton has 158072 states and 761030 transitions. Word has length 58 [2023-12-02 18:47:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:47:58,127 INFO L495 AbstractCegarLoop]: Abstraction has 158072 states and 761030 transitions. [2023-12-02 18:47:58,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:47:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 158072 states and 761030 transitions. [2023-12-02 18:47:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:47:58,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:47:58,132 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] [2023-12-02 18:47:58,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 18:47:58,132 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:47:58,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:47:58,133 INFO L85 PathProgramCache]: Analyzing trace with hash -932509751, now seen corresponding path program 11 times [2023-12-02 18:47:58,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:47:58,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754116899] [2023-12-02 18:47:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:47:58,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:47:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:47:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:47:58,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:47:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754116899] [2023-12-02 18:47:58,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754116899] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:47:58,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:47:58,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:47:58,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75348062] [2023-12-02 18:47:58,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:47:58,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:47:58,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:47:58,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:47:58,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:47:58,534 INFO L87 Difference]: Start difference. First operand 158072 states and 761030 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:01,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:01,522 INFO L93 Difference]: Finished difference Result 197436 states and 949674 transitions. [2023-12-02 18:48:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 18:48:01,522 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:48:01,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:03,298 INFO L225 Difference]: With dead ends: 197436 [2023-12-02 18:48:03,298 INFO L226 Difference]: Without dead ends: 197436 [2023-12-02 18:48:03,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:48:03,299 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 761 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:03,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 1391 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 18:48:03,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197436 states. [2023-12-02 18:48:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197436 to 129392. [2023-12-02 18:48:07,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129392 states, 129379 states have (on average 4.785490690142914) internal successors, (619142), 129391 states have internal predecessors, (619142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129392 states to 129392 states and 619142 transitions. [2023-12-02 18:48:08,513 INFO L78 Accepts]: Start accepts. Automaton has 129392 states and 619142 transitions. Word has length 58 [2023-12-02 18:48:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:08,513 INFO L495 AbstractCegarLoop]: Abstraction has 129392 states and 619142 transitions. [2023-12-02 18:48:08,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 129392 states and 619142 transitions. [2023-12-02 18:48:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:48:08,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:08,517 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] [2023-12-02 18:48:08,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 18:48:08,518 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:48:08,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:08,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1159382663, now seen corresponding path program 12 times [2023-12-02 18:48:08,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:08,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759256500] [2023-12-02 18:48:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:08,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:48:09,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:48:09,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759256500] [2023-12-02 18:48:09,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759256500] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:09,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:09,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:48:09,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834765158] [2023-12-02 18:48:09,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:09,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:48:09,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:48:09,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:48:09,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:48:09,292 INFO L87 Difference]: Start difference. First operand 129392 states and 619142 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:12,267 INFO L93 Difference]: Finished difference Result 215624 states and 1020431 transitions. [2023-12-02 18:48:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 18:48:12,268 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:48:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:13,912 INFO L225 Difference]: With dead ends: 215624 [2023-12-02 18:48:13,912 INFO L226 Difference]: Without dead ends: 215624 [2023-12-02 18:48:13,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2023-12-02 18:48:13,913 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 753 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:13,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1943 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 18:48:14,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215624 states. [2023-12-02 18:48:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215624 to 129401. [2023-12-02 18:48:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129401 states, 129388 states have (on average 4.785358765882462) internal successors, (619168), 129400 states have internal predecessors, (619168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129401 states to 129401 states and 619168 transitions. [2023-12-02 18:48:19,259 INFO L78 Accepts]: Start accepts. Automaton has 129401 states and 619168 transitions. Word has length 58 [2023-12-02 18:48:19,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:19,259 INFO L495 AbstractCegarLoop]: Abstraction has 129401 states and 619168 transitions. [2023-12-02 18:48:19,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 129401 states and 619168 transitions. [2023-12-02 18:48:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:48:19,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:19,262 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] [2023-12-02 18:48:19,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 18:48:19,262 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:48:19,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1713229037, now seen corresponding path program 13 times [2023-12-02 18:48:19,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:19,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148793988] [2023-12-02 18:48:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:19,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:48:20,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:48:20,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148793988] [2023-12-02 18:48:20,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148793988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:20,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:20,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:48:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978582378] [2023-12-02 18:48:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:20,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:48:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:48:20,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:48:20,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:48:20,066 INFO L87 Difference]: Start difference. First operand 129401 states and 619168 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:22,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:22,641 INFO L93 Difference]: Finished difference Result 198292 states and 936271 transitions. [2023-12-02 18:48:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 18:48:22,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:48:22,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:24,176 INFO L225 Difference]: With dead ends: 198292 [2023-12-02 18:48:24,176 INFO L226 Difference]: Without dead ends: 198292 [2023-12-02 18:48:24,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2023-12-02 18:48:24,177 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 674 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:24,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 1150 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 18:48:24,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198292 states. [2023-12-02 18:48:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198292 to 129410. [2023-12-02 18:48:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129410 states, 129397 states have (on average 4.7852268599735694) internal successors, (619194), 129409 states have internal predecessors, (619194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129410 states to 129410 states and 619194 transitions. [2023-12-02 18:48:29,696 INFO L78 Accepts]: Start accepts. Automaton has 129410 states and 619194 transitions. Word has length 58 [2023-12-02 18:48:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:29,696 INFO L495 AbstractCegarLoop]: Abstraction has 129410 states and 619194 transitions. [2023-12-02 18:48:29,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 129410 states and 619194 transitions. [2023-12-02 18:48:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:48:29,700 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:29,700 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] [2023-12-02 18:48:29,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 18:48:29,700 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:48:29,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1531381159, now seen corresponding path program 14 times [2023-12-02 18:48:29,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:29,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924125721] [2023-12-02 18:48:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:48:30,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:48:30,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924125721] [2023-12-02 18:48:30,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924125721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:30,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:30,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:48:30,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448856152] [2023-12-02 18:48:30,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:30,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:48:30,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:48:30,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:48:30,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:48:30,159 INFO L87 Difference]: Start difference. First operand 129410 states and 619194 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:32,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:32,422 INFO L93 Difference]: Finished difference Result 155925 states and 730452 transitions. [2023-12-02 18:48:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 18:48:32,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:48:32,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:33,716 INFO L225 Difference]: With dead ends: 155925 [2023-12-02 18:48:33,716 INFO L226 Difference]: Without dead ends: 155925 [2023-12-02 18:48:33,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2023-12-02 18:48:33,718 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 400 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:33,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1009 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 18:48:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155925 states. [2023-12-02 18:48:37,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155925 to 129419. [2023-12-02 18:48:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129419 states, 129406 states have (on average 4.785094972412407) internal successors, (619220), 129418 states have internal predecessors, (619220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129419 states to 129419 states and 619220 transitions. [2023-12-02 18:48:38,641 INFO L78 Accepts]: Start accepts. Automaton has 129419 states and 619220 transitions. Word has length 58 [2023-12-02 18:48:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:38,641 INFO L495 AbstractCegarLoop]: Abstraction has 129419 states and 619220 transitions. [2023-12-02 18:48:38,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 129419 states and 619220 transitions. [2023-12-02 18:48:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:48:38,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:38,646 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] [2023-12-02 18:48:38,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 18:48:38,647 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:48:38,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:38,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1567188735, now seen corresponding path program 15 times [2023-12-02 18:48:38,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:38,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291990994] [2023-12-02 18:48:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:38,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:48:39,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:48:39,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291990994] [2023-12-02 18:48:39,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291990994] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:39,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:39,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:48:39,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333541385] [2023-12-02 18:48:39,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:39,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:48:39,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:48:39,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:48:39,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:48:39,008 INFO L87 Difference]: Start difference. First operand 129419 states and 619220 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:41,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:41,536 INFO L93 Difference]: Finished difference Result 172900 states and 812981 transitions. [2023-12-02 18:48:41,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 18:48:41,536 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:48:41,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:42,840 INFO L225 Difference]: With dead ends: 172900 [2023-12-02 18:48:42,840 INFO L226 Difference]: Without dead ends: 172900 [2023-12-02 18:48:42,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2023-12-02 18:48:42,841 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 499 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:42,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1300 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 18:48:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172900 states. [2023-12-02 18:48:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172900 to 129392. [2023-12-02 18:48:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129392 states, 129379 states have (on average 4.785490690142914) internal successors, (619142), 129391 states have internal predecessors, (619142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129392 states to 129392 states and 619142 transitions. [2023-12-02 18:48:47,790 INFO L78 Accepts]: Start accepts. Automaton has 129392 states and 619142 transitions. Word has length 58 [2023-12-02 18:48:47,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:47,791 INFO L495 AbstractCegarLoop]: Abstraction has 129392 states and 619142 transitions. [2023-12-02 18:48:47,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 129392 states and 619142 transitions. [2023-12-02 18:48:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:48:47,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:47,794 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] [2023-12-02 18:48:47,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 18:48:47,794 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:48:47,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:47,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1977830477, now seen corresponding path program 16 times [2023-12-02 18:48:47,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:47,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592107074] [2023-12-02 18:48:47,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:48:48,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:48:48,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592107074] [2023-12-02 18:48:48,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592107074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:48,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:48,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:48:48,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500816835] [2023-12-02 18:48:48,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:48,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:48:48,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:48:48,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:48:48,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:48:48,279 INFO L87 Difference]: Start difference. First operand 129392 states and 619142 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:51,898 INFO L93 Difference]: Finished difference Result 189881 states and 895177 transitions. [2023-12-02 18:48:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 18:48:51,898 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:48:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:52,902 INFO L225 Difference]: With dead ends: 189881 [2023-12-02 18:48:52,902 INFO L226 Difference]: Without dead ends: 189881 [2023-12-02 18:48:52,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2023-12-02 18:48:52,903 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 805 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:52,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 2168 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 18:48:53,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189881 states. [2023-12-02 18:48:57,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189881 to 129444. [2023-12-02 18:48:57,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129444 states, 129431 states have (on average 4.784618831655477) internal successors, (619278), 129443 states have internal predecessors, (619278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129444 states to 129444 states and 619278 transitions. [2023-12-02 18:48:58,224 INFO L78 Accepts]: Start accepts. Automaton has 129444 states and 619278 transitions. Word has length 58 [2023-12-02 18:48:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:58,225 INFO L495 AbstractCegarLoop]: Abstraction has 129444 states and 619278 transitions. [2023-12-02 18:48:58,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:48:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 129444 states and 619278 transitions. [2023-12-02 18:48:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:48:58,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:58,228 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] [2023-12-02 18:48:58,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 18:48:58,228 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:48:58,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash 982707661, now seen corresponding path program 17 times [2023-12-02 18:48:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569766337] [2023-12-02 18:48:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:48:58,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:48:58,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569766337] [2023-12-02 18:48:58,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569766337] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:58,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:58,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:48:58,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059588127] [2023-12-02 18:48:58,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:58,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:48:58,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:48:58,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:48:58,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:48:58,710 INFO L87 Difference]: Start difference. First operand 129444 states and 619278 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:02,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:49:02,705 INFO L93 Difference]: Finished difference Result 198673 states and 937585 transitions. [2023-12-02 18:49:02,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 18:49:02,705 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:49:02,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:49:03,880 INFO L225 Difference]: With dead ends: 198673 [2023-12-02 18:49:03,880 INFO L226 Difference]: Without dead ends: 198673 [2023-12-02 18:49:03,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2023-12-02 18:49:03,881 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 764 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:49:03,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 2165 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 18:49:04,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198673 states. [2023-12-02 18:49:08,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198673 to 129453. [2023-12-02 18:49:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129453 states, 129440 states have (on average 4.7844870210135975) internal successors, (619304), 129452 states have internal predecessors, (619304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129453 states to 129453 states and 619304 transitions. [2023-12-02 18:49:09,574 INFO L78 Accepts]: Start accepts. Automaton has 129453 states and 619304 transitions. Word has length 58 [2023-12-02 18:49:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:49:09,574 INFO L495 AbstractCegarLoop]: Abstraction has 129453 states and 619304 transitions. [2023-12-02 18:49:09,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 129453 states and 619304 transitions. [2023-12-02 18:49:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:49:09,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:49:09,577 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] [2023-12-02 18:49:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 18:49:09,578 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:49:09,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:49:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash 256286253, now seen corresponding path program 18 times [2023-12-02 18:49:09,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:49:09,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816882618] [2023-12-02 18:49:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:49:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:49:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:49:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:49:10,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:49:10,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816882618] [2023-12-02 18:49:10,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816882618] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:49:10,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:49:10,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:49:10,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963368568] [2023-12-02 18:49:10,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:49:10,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:49:10,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:49:10,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:49:10,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:49:10,643 INFO L87 Difference]: Start difference. First operand 129453 states and 619304 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:14,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:49:14,573 INFO L93 Difference]: Finished difference Result 207216 states and 979351 transitions. [2023-12-02 18:49:14,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 18:49:14,573 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:49:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:49:15,672 INFO L225 Difference]: With dead ends: 207216 [2023-12-02 18:49:15,672 INFO L226 Difference]: Without dead ends: 207216 [2023-12-02 18:49:15,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-12-02 18:49:15,673 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 897 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:49:15,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2202 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 18:49:16,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207216 states. [2023-12-02 18:49:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207216 to 129418. [2023-12-02 18:49:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129418 states, 129405 states have (on average 4.785054673312469) internal successors, (619210), 129417 states have internal predecessors, (619210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129418 states to 129418 states and 619210 transitions. [2023-12-02 18:49:21,678 INFO L78 Accepts]: Start accepts. Automaton has 129418 states and 619210 transitions. Word has length 58 [2023-12-02 18:49:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:49:21,679 INFO L495 AbstractCegarLoop]: Abstraction has 129418 states and 619210 transitions. [2023-12-02 18:49:21,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 129418 states and 619210 transitions. [2023-12-02 18:49:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:49:21,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:49:21,708 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] [2023-12-02 18:49:21,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 18:49:21,708 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:49:21,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:49:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 513199821, now seen corresponding path program 19 times [2023-12-02 18:49:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:49:21,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122827898] [2023-12-02 18:49:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:49:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:49:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:49:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:49:22,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:49:22,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122827898] [2023-12-02 18:49:22,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122827898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:49:22,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:49:22,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:49:22,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244681880] [2023-12-02 18:49:22,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:49:22,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:49:22,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:49:22,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:49:22,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:49:22,170 INFO L87 Difference]: Start difference. First operand 129418 states and 619210 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:49:26,553 INFO L93 Difference]: Finished difference Result 250248 states and 1188295 transitions. [2023-12-02 18:49:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 18:49:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:49:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:49:28,377 INFO L225 Difference]: With dead ends: 250248 [2023-12-02 18:49:28,378 INFO L226 Difference]: Without dead ends: 250248 [2023-12-02 18:49:28,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2023-12-02 18:49:28,380 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 892 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:49:28,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 2671 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 2442 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 18:49:28,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250248 states. [2023-12-02 18:49:32,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250248 to 129427. [2023-12-02 18:49:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129427 states, 129414 states have (on average 4.784922805878807) internal successors, (619236), 129426 states have internal predecessors, (619236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129427 states to 129427 states and 619236 transitions. [2023-12-02 18:49:33,956 INFO L78 Accepts]: Start accepts. Automaton has 129427 states and 619236 transitions. Word has length 58 [2023-12-02 18:49:33,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:49:33,956 INFO L495 AbstractCegarLoop]: Abstraction has 129427 states and 619236 transitions. [2023-12-02 18:49:33,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 129427 states and 619236 transitions. [2023-12-02 18:49:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:49:33,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:49:33,960 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] [2023-12-02 18:49:33,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 18:49:33,960 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:49:33,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:49:33,960 INFO L85 PathProgramCache]: Analyzing trace with hash 507169215, now seen corresponding path program 20 times [2023-12-02 18:49:33,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:49:33,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116441059] [2023-12-02 18:49:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:49:33,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:49:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:49:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:49:34,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:49:34,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116441059] [2023-12-02 18:49:34,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116441059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:49:34,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:49:34,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:49:34,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996511772] [2023-12-02 18:49:34,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:49:34,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:49:34,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:49:34,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:49:34,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:49:34,827 INFO L87 Difference]: Start difference. First operand 129427 states and 619236 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:49:37,818 INFO L93 Difference]: Finished difference Result 200565 states and 937958 transitions. [2023-12-02 18:49:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 18:49:37,819 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:49:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:49:39,336 INFO L225 Difference]: With dead ends: 200565 [2023-12-02 18:49:39,336 INFO L226 Difference]: Without dead ends: 200565 [2023-12-02 18:49:39,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2023-12-02 18:49:39,337 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 841 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:49:39,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 1392 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 18:49:39,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200565 states. [2023-12-02 18:49:43,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200565 to 129436. [2023-12-02 18:49:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129436 states, 129423 states have (on average 4.784790956785115) internal successors, (619262), 129435 states have internal predecessors, (619262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129436 states to 129436 states and 619262 transitions. [2023-12-02 18:49:44,559 INFO L78 Accepts]: Start accepts. Automaton has 129436 states and 619262 transitions. Word has length 58 [2023-12-02 18:49:44,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:49:44,560 INFO L495 AbstractCegarLoop]: Abstraction has 129436 states and 619262 transitions. [2023-12-02 18:49:44,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 129436 states and 619262 transitions. [2023-12-02 18:49:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:49:44,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:49:44,563 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] [2023-12-02 18:49:44,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 18:49:44,563 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:49:44,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:49:44,563 INFO L85 PathProgramCache]: Analyzing trace with hash 542976791, now seen corresponding path program 21 times [2023-12-02 18:49:44,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:49:44,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137594233] [2023-12-02 18:49:44,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:49:44,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:49:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:49:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:49:45,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:49:45,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137594233] [2023-12-02 18:49:45,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137594233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:49:45,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:49:45,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:49:45,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38473941] [2023-12-02 18:49:45,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:49:45,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:49:45,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:49:45,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:49:45,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:49:45,012 INFO L87 Difference]: Start difference. First operand 129436 states and 619262 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:49,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:49:49,616 INFO L93 Difference]: Finished difference Result 217540 states and 1020487 transitions. [2023-12-02 18:49:49,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 18:49:49,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:49:49,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:49:51,017 INFO L225 Difference]: With dead ends: 217540 [2023-12-02 18:49:51,017 INFO L226 Difference]: Without dead ends: 217540 [2023-12-02 18:49:51,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2023-12-02 18:49:51,018 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 982 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:49:51,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 2355 Invalid, 2477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 18:49:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217540 states. [2023-12-02 18:49:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217540 to 129392. [2023-12-02 18:49:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129392 states, 129379 states have (on average 4.785490690142914) internal successors, (619142), 129391 states have internal predecessors, (619142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129392 states to 129392 states and 619142 transitions. [2023-12-02 18:49:57,327 INFO L78 Accepts]: Start accepts. Automaton has 129392 states and 619142 transitions. Word has length 58 [2023-12-02 18:49:57,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:49:57,327 INFO L495 AbstractCegarLoop]: Abstraction has 129392 states and 619142 transitions. [2023-12-02 18:49:57,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:49:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 129392 states and 619142 transitions. [2023-12-02 18:49:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:49:57,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:49:57,332 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] [2023-12-02 18:49:57,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 18:49:57,332 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:49:57,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:49:57,333 INFO L85 PathProgramCache]: Analyzing trace with hash 505715241, now seen corresponding path program 22 times [2023-12-02 18:49:57,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:49:57,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954927685] [2023-12-02 18:49:57,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:49:57,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:49:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:49:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:49:57,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:49:57,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954927685] [2023-12-02 18:49:57,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954927685] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:49:57,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:49:57,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:49:57,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399371634] [2023-12-02 18:49:57,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:49:57,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:49:57,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:49:57,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:49:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:49:57,743 INFO L87 Difference]: Start difference. First operand 129392 states and 619142 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:02,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:02,036 INFO L93 Difference]: Finished difference Result 239824 states and 1138767 transitions. [2023-12-02 18:50:02,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 18:50:02,036 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:50:02,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:50:03,378 INFO L225 Difference]: With dead ends: 239824 [2023-12-02 18:50:03,378 INFO L226 Difference]: Without dead ends: 239824 [2023-12-02 18:50:03,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=579, Unknown=0, NotChecked=0, Total=812 [2023-12-02 18:50:03,379 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 863 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:50:03,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [863 Valid, 2493 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 18:50:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239824 states. [2023-12-02 18:50:07,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239824 to 120726. [2023-12-02 18:50:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120726 states, 120713 states have (on average 4.78044618226703) internal successors, (577062), 120725 states have internal predecessors, (577062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120726 states to 120726 states and 577062 transitions. [2023-12-02 18:50:09,022 INFO L78 Accepts]: Start accepts. Automaton has 120726 states and 577062 transitions. Word has length 58 [2023-12-02 18:50:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:50:09,022 INFO L495 AbstractCegarLoop]: Abstraction has 120726 states and 577062 transitions. [2023-12-02 18:50:09,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 120726 states and 577062 transitions. [2023-12-02 18:50:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:50:09,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:09,025 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] [2023-12-02 18:50:09,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 18:50:09,026 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:50:09,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:09,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2033748187, now seen corresponding path program 23 times [2023-12-02 18:50:09,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:09,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805256250] [2023-12-02 18:50:09,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:09,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:50:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:50:09,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:50:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805256250] [2023-12-02 18:50:09,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805256250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:50:09,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:50:09,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:50:09,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038968555] [2023-12-02 18:50:09,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:50:09,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:50:09,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:50:09,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:50:09,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:50:09,416 INFO L87 Difference]: Start difference. First operand 120726 states and 577062 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:15,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:15,187 INFO L93 Difference]: Finished difference Result 277323 states and 1310118 transitions. [2023-12-02 18:50:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 18:50:15,188 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:50:15,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:50:16,737 INFO L225 Difference]: With dead ends: 277323 [2023-12-02 18:50:16,737 INFO L226 Difference]: Without dead ends: 277323 [2023-12-02 18:50:16,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=778, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 18:50:16,738 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 823 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 3472 SdHoareTripleChecker+Invalid, 3619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:50:16,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 3472 Invalid, 3619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 3385 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 18:50:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277323 states. [2023-12-02 18:50:21,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277323 to 120735. [2023-12-02 18:50:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120735 states, 120722 states have (on average 4.780305163930352) internal successors, (577088), 120734 states have internal predecessors, (577088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120735 states to 120735 states and 577088 transitions. [2023-12-02 18:50:23,014 INFO L78 Accepts]: Start accepts. Automaton has 120735 states and 577088 transitions. Word has length 58 [2023-12-02 18:50:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:50:23,014 INFO L495 AbstractCegarLoop]: Abstraction has 120735 states and 577088 transitions. [2023-12-02 18:50:23,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 120735 states and 577088 transitions. [2023-12-02 18:50:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:50:23,017 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:23,017 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] [2023-12-02 18:50:23,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 18:50:23,017 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:50:23,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1210862009, now seen corresponding path program 24 times [2023-12-02 18:50:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929578815] [2023-12-02 18:50:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:23,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:50:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:50:23,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:50:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929578815] [2023-12-02 18:50:23,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929578815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:50:23,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:50:23,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:50:23,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241403702] [2023-12-02 18:50:23,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:50:23,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:50:23,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:50:23,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:50:23,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:50:23,401 INFO L87 Difference]: Start difference. First operand 120735 states and 577088 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:27,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:27,022 INFO L93 Difference]: Finished difference Result 200577 states and 937402 transitions. [2023-12-02 18:50:27,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 18:50:27,022 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:50:27,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:50:28,094 INFO L225 Difference]: With dead ends: 200577 [2023-12-02 18:50:28,094 INFO L226 Difference]: Without dead ends: 200577 [2023-12-02 18:50:28,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2023-12-02 18:50:28,095 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 585 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:50:28,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1915 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1829 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 18:50:28,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200577 states. [2023-12-02 18:50:32,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200577 to 120744. [2023-12-02 18:50:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120744 states, 120731 states have (on average 4.78016416661835) internal successors, (577114), 120743 states have internal predecessors, (577114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120744 states to 120744 states and 577114 transitions. [2023-12-02 18:50:33,767 INFO L78 Accepts]: Start accepts. Automaton has 120744 states and 577114 transitions. Word has length 58 [2023-12-02 18:50:33,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:50:33,768 INFO L495 AbstractCegarLoop]: Abstraction has 120744 states and 577114 transitions. [2023-12-02 18:50:33,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 120744 states and 577114 transitions. [2023-12-02 18:50:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:50:33,772 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:33,772 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] [2023-12-02 18:50:33,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 18:50:33,772 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:50:33,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:33,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1246669585, now seen corresponding path program 25 times [2023-12-02 18:50:33,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:33,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89869949] [2023-12-02 18:50:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:33,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:50:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:50:34,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:50:34,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89869949] [2023-12-02 18:50:34,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89869949] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:50:34,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:50:34,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:50:34,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147939402] [2023-12-02 18:50:34,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:50:34,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:50:34,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:50:34,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:50:34,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:50:34,246 INFO L87 Difference]: Start difference. First operand 120744 states and 577114 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:38,779 INFO L93 Difference]: Finished difference Result 226209 states and 1061994 transitions. [2023-12-02 18:50:38,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 18:50:38,779 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:50:38,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:50:40,017 INFO L225 Difference]: With dead ends: 226209 [2023-12-02 18:50:40,017 INFO L226 Difference]: Without dead ends: 226209 [2023-12-02 18:50:40,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930 [2023-12-02 18:50:40,018 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 690 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:50:40,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2146 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 18:50:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226209 states. [2023-12-02 18:50:44,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226209 to 120691. [2023-12-02 18:50:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120691 states, 120678 states have (on average 4.781053713187159) internal successors, (576968), 120690 states have internal predecessors, (576968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120691 states to 120691 states and 576968 transitions. [2023-12-02 18:50:46,106 INFO L78 Accepts]: Start accepts. Automaton has 120691 states and 576968 transitions. Word has length 58 [2023-12-02 18:50:46,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:50:46,106 INFO L495 AbstractCegarLoop]: Abstraction has 120691 states and 576968 transitions. [2023-12-02 18:50:46,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 120691 states and 576968 transitions. [2023-12-02 18:50:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:50:46,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:46,109 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] [2023-12-02 18:50:46,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 18:50:46,110 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:50:46,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:46,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1854053713, now seen corresponding path program 26 times [2023-12-02 18:50:46,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:46,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648296559] [2023-12-02 18:50:46,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:46,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:50:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:50:46,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:50:46,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648296559] [2023-12-02 18:50:46,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648296559] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:50:46,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:50:46,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:50:46,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814244412] [2023-12-02 18:50:46,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:50:46,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:50:46,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:50:46,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:50:46,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:50:46,580 INFO L87 Difference]: Start difference. First operand 120691 states and 576968 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:50,168 INFO L93 Difference]: Finished difference Result 180824 states and 851382 transitions. [2023-12-02 18:50:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 18:50:50,168 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:50:50,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:50:51,081 INFO L225 Difference]: With dead ends: 180824 [2023-12-02 18:50:51,081 INFO L226 Difference]: Without dead ends: 180824 [2023-12-02 18:50:51,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2023-12-02 18:50:51,082 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 802 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:50:51,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 2320 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 18:50:51,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180824 states. [2023-12-02 18:50:55,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180824 to 120717. [2023-12-02 18:50:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120717 states, 120704 states have (on average 4.780587221633086) internal successors, (577036), 120716 states have internal predecessors, (577036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120717 states to 120717 states and 577036 transitions. [2023-12-02 18:50:55,853 INFO L78 Accepts]: Start accepts. Automaton has 120717 states and 577036 transitions. Word has length 58 [2023-12-02 18:50:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:50:55,853 INFO L495 AbstractCegarLoop]: Abstraction has 120717 states and 577036 transitions. [2023-12-02 18:50:55,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 120717 states and 577036 transitions. [2023-12-02 18:50:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:50:55,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:55,856 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] [2023-12-02 18:50:55,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 18:50:55,857 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:50:55,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:55,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1445790767, now seen corresponding path program 27 times [2023-12-02 18:50:55,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:55,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078677096] [2023-12-02 18:50:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:55,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:50:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:50:56,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:50:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078677096] [2023-12-02 18:50:56,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078677096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:50:56,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:50:56,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:50:56,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045690465] [2023-12-02 18:50:56,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:50:56,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:50:56,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:50:56,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:50:56,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:50:56,725 INFO L87 Difference]: Start difference. First operand 120717 states and 577036 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:50:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:59,770 INFO L93 Difference]: Finished difference Result 189616 states and 893790 transitions. [2023-12-02 18:50:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 18:50:59,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:50:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:01,138 INFO L225 Difference]: With dead ends: 189616 [2023-12-02 18:51:01,138 INFO L226 Difference]: Without dead ends: 189616 [2023-12-02 18:51:01,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2023-12-02 18:51:01,139 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 814 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:01,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1943 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 18:51:01,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189616 states. [2023-12-02 18:51:04,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189616 to 120726. [2023-12-02 18:51:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120726 states, 120713 states have (on average 4.78044618226703) internal successors, (577062), 120725 states have internal predecessors, (577062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:51:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120726 states to 120726 states and 577062 transitions. [2023-12-02 18:51:05,908 INFO L78 Accepts]: Start accepts. Automaton has 120726 states and 577062 transitions. Word has length 58 [2023-12-02 18:51:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:05,908 INFO L495 AbstractCegarLoop]: Abstraction has 120726 states and 577062 transitions. [2023-12-02 18:51:05,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:51:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 120726 states and 577062 transitions. [2023-12-02 18:51:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:51:05,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:05,912 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] [2023-12-02 18:51:05,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 18:51:05,912 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:51:05,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:05,913 INFO L85 PathProgramCache]: Analyzing trace with hash 719369359, now seen corresponding path program 28 times [2023-12-02 18:51:05,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:05,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480774598] [2023-12-02 18:51:05,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:05,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:51:06,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:06,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480774598] [2023-12-02 18:51:06,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480774598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:06,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:51:06,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:51:06,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245998743] [2023-12-02 18:51:06,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:06,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:51:06,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:51:06,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:51:06,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:51:06,371 INFO L87 Difference]: Start difference. First operand 120726 states and 577062 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:51:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:51:10,644 INFO L93 Difference]: Finished difference Result 198159 states and 935556 transitions. [2023-12-02 18:51:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 18:51:10,645 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-02 18:51:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:11,650 INFO L225 Difference]: With dead ends: 198159 [2023-12-02 18:51:11,650 INFO L226 Difference]: Without dead ends: 198159 [2023-12-02 18:51:11,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:51:11,651 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 917 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 2318 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 2438 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 2318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:11,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 2438 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 2318 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 18:51:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198159 states. [2023-12-02 18:51:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198159 to 120691. [2023-12-02 18:51:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120691 states, 120678 states have (on average 4.781053713187159) internal successors, (576968), 120690 states have internal predecessors, (576968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:51:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120691 states to 120691 states and 576968 transitions. [2023-12-02 18:51:17,201 INFO L78 Accepts]: Start accepts. Automaton has 120691 states and 576968 transitions. Word has length 58 [2023-12-02 18:51:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:17,201 INFO L495 AbstractCegarLoop]: Abstraction has 120691 states and 576968 transitions. [2023-12-02 18:51:17,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:51:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 120691 states and 576968 transitions. [2023-12-02 18:51:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 18:51:17,204 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:17,205 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] [2023-12-02 18:51:17,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 18:51:17,205 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-12-02 18:51:17,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash 976282927, now seen corresponding path program 29 times [2023-12-02 18:51:17,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:17,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830981991] [2023-12-02 18:51:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:51:17,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:51:17,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830981991] [2023-12-02 18:51:17,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830981991] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:17,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:51:17,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:51:17,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234065356] [2023-12-02 18:51:17,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:17,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:51:17,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:51:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:51:17,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:51:17,613 INFO L87 Difference]: Start difference. First operand 120691 states and 576968 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)