./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_2-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/reorder_2-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8118921f4e94a266cc060fbf2fdaa97ed8f96343f174115bf05a8f09a1b77a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:24:12,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:24:13,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:24:13,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:24:13,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:24:13,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:24:13,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:24:13,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:24:13,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:24:13,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:24:13,111 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:24:13,111 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:24:13,112 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:24:13,112 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:24:13,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:24:13,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:24:13,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:24:13,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:24:13,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:24:13,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:24:13,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:24:13,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:24:13,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:24:13,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:24:13,115 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:24:13,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:24:13,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:24:13,116 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:24:13,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:24:13,116 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8118921f4e94a266cc060fbf2fdaa97ed8f96343f174115bf05a8f09a1b77a8 [2024-11-14 04:24:13,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:24:13,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:24:13,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:24:13,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:24:13,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:24:13,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread/reorder_2-race.i Unable to find full path for "g++" [2024-11-14 04:24:15,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:24:15,709 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:24:15,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/sv-benchmarks/c/pthread/reorder_2-race.i [2024-11-14 04:24:15,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/data/32c913103/491ad0b349f6478287197e2f71227b37/FLAGf0eb8766c [2024-11-14 04:24:15,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/data/32c913103/491ad0b349f6478287197e2f71227b37 [2024-11-14 04:24:15,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:24:15,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:24:15,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:24:15,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:24:15,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:24:15,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:15" (1/1) ... [2024-11-14 04:24:15,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44080cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:15, skipping insertion in model container [2024-11-14 04:24:15,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:15" (1/1) ... [2024-11-14 04:24:15,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:24:16,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:24:16,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:24:16,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:24:16,672 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:24:16,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16 WrapperNode [2024-11-14 04:24:16,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:24:16,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:24:16,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:24:16,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:24:16,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,752 INFO L138 Inliner]: procedures = 370, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 221 [2024-11-14 04:24:16,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:24:16,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:24:16,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:24:16,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:24:16,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:24:16,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:24:16,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:24:16,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:24:16,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (1/1) ... [2024-11-14 04:24:16,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:24:16,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:16,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:24:16,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fbd694-5ee7-40e6-8c92-e01bfe940b56/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:24:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:24:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:24:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:24:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-14 04:24:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-14 04:24:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:24:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:24:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-14 04:24:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-14 04:24:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:24:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:24:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:24:16,879 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:24:17,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:24:17,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:24:17,663 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:24:17,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:24:17,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:24:17,688 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 04:24:17,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:17 BoogieIcfgContainer [2024-11-14 04:24:17,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:24:17,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:24:17,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:24:17,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:24:17,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:24:15" (1/3) ... [2024-11-14 04:24:17,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0eea2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:17, skipping insertion in model container [2024-11-14 04:24:17,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:16" (2/3) ... [2024-11-14 04:24:17,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0eea2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:17, skipping insertion in model container [2024-11-14 04:24:17,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:17" (3/3) ... [2024-11-14 04:24:17,704 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-race.i [2024-11-14 04:24:17,720 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:24:17,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_2-race.i that has 3 procedures, 257 locations, 1 initial locations, 4 loop locations, and 28 error locations. [2024-11-14 04:24:17,723 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:24:17,872 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 04:24:17,922 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 263 places, 279 transitions, 578 flow [2024-11-14 04:24:20,172 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52289 states, 51967 states have (on average 2.9835472511401466) internal successors, (155046), 52288 states have internal predecessors, (155046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:20,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:24:20,208 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56696ba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:24:20,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-14 04:24:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 52289 states, 51967 states have (on average 2.9835472511401466) internal successors, (155046), 52288 states have internal predecessors, (155046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 04:24:20,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:20,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:20,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:20,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:20,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1093985155, now seen corresponding path program 1 times [2024-11-14 04:24:20,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:20,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102132873] [2024-11-14 04:24:20,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:20,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:20,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102132873] [2024-11-14 04:24:20,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102132873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:20,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:20,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709054111] [2024-11-14 04:24:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:20,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:20,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:20,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:20,780 INFO L87 Difference]: Start difference. First operand has 52289 states, 51967 states have (on average 2.9835472511401466) internal successors, (155046), 52288 states have internal predecessors, (155046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:22,818 INFO L93 Difference]: Finished difference Result 101414 states and 301686 transitions. [2024-11-14 04:24:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:22,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2024-11-14 04:24:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:23,272 INFO L225 Difference]: With dead ends: 101414 [2024-11-14 04:24:23,272 INFO L226 Difference]: Without dead ends: 48453 [2024-11-14 04:24:23,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:23,501 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 206 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:23,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 299 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:23,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48453 states. [2024-11-14 04:24:25,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48453 to 48453. [2024-11-14 04:24:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48453 states, 48094 states have (on average 2.8855782426082257) internal successors, (138779), 48452 states have internal predecessors, (138779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48453 states to 48453 states and 138779 transitions. [2024-11-14 04:24:25,817 INFO L78 Accepts]: Start accepts. Automaton has 48453 states and 138779 transitions. Word has length 19 [2024-11-14 04:24:25,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:25,818 INFO L471 AbstractCegarLoop]: Abstraction has 48453 states and 138779 transitions. [2024-11-14 04:24:25,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 48453 states and 138779 transitions. [2024-11-14 04:24:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:24:25,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:25,822 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:25,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:24:25,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:25,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:25,823 INFO L85 PathProgramCache]: Analyzing trace with hash 446294375, now seen corresponding path program 1 times [2024-11-14 04:24:25,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:25,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843397018] [2024-11-14 04:24:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:25,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:25,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:25,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843397018] [2024-11-14 04:24:25,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843397018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:25,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:25,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:25,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230276114] [2024-11-14 04:24:25,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:25,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:25,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:25,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:25,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:25,969 INFO L87 Difference]: Start difference. First operand 48453 states and 138779 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:28,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:28,146 INFO L93 Difference]: Finished difference Result 96858 states and 277509 transitions. [2024-11-14 04:24:28,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:28,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-14 04:24:28,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:28,898 INFO L225 Difference]: With dead ends: 96858 [2024-11-14 04:24:28,899 INFO L226 Difference]: Without dead ends: 96857 [2024-11-14 04:24:28,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:28,933 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 231 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:28,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 673 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:29,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96857 states. [2024-11-14 04:24:31,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96857 to 48452. [2024-11-14 04:24:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48452 states, 48094 states have (on average 2.885557449993762) internal successors, (138778), 48451 states have internal predecessors, (138778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48452 states to 48452 states and 138778 transitions. [2024-11-14 04:24:31,564 INFO L78 Accepts]: Start accepts. Automaton has 48452 states and 138778 transitions. Word has length 20 [2024-11-14 04:24:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:31,564 INFO L471 AbstractCegarLoop]: Abstraction has 48452 states and 138778 transitions. [2024-11-14 04:24:31,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 48452 states and 138778 transitions. [2024-11-14 04:24:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 04:24:31,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:31,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:31,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:24:31,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:31,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash 950073627, now seen corresponding path program 1 times [2024-11-14 04:24:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:31,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553723522] [2024-11-14 04:24:31,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:31,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:31,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553723522] [2024-11-14 04:24:31,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553723522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:31,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:31,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:31,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481370651] [2024-11-14 04:24:31,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:31,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:31,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:31,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:31,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:31,651 INFO L87 Difference]: Start difference. First operand 48452 states and 138778 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:32,662 INFO L93 Difference]: Finished difference Result 48452 states and 138778 transitions. [2024-11-14 04:24:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:32,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2024-11-14 04:24:32,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:32,985 INFO L225 Difference]: With dead ends: 48452 [2024-11-14 04:24:32,986 INFO L226 Difference]: Without dead ends: 45101 [2024-11-14 04:24:33,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:33,012 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 146 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:33,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 601 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45101 states. [2024-11-14 04:24:34,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45101 to 45101. [2024-11-14 04:24:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45101 states, 44837 states have (on average 2.885407141423378) internal successors, (129373), 45100 states have internal predecessors, (129373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45101 states to 45101 states and 129373 transitions. [2024-11-14 04:24:35,145 INFO L78 Accepts]: Start accepts. Automaton has 45101 states and 129373 transitions. Word has length 21 [2024-11-14 04:24:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:35,145 INFO L471 AbstractCegarLoop]: Abstraction has 45101 states and 129373 transitions. [2024-11-14 04:24:35,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 45101 states and 129373 transitions. [2024-11-14 04:24:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:24:35,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:35,146 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:35,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:24:35,146 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:35,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:35,147 INFO L85 PathProgramCache]: Analyzing trace with hash -205765052, now seen corresponding path program 1 times [2024-11-14 04:24:35,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:35,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799900267] [2024-11-14 04:24:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:35,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:35,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:35,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799900267] [2024-11-14 04:24:35,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799900267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:35,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:35,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:35,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373084123] [2024-11-14 04:24:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:35,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:35,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:35,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:35,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:35,195 INFO L87 Difference]: Start difference. First operand 45101 states and 129373 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:35,640 INFO L93 Difference]: Finished difference Result 45107 states and 129379 transitions. [2024-11-14 04:24:35,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:35,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2024-11-14 04:24:35,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:35,922 INFO L225 Difference]: With dead ends: 45107 [2024-11-14 04:24:35,922 INFO L226 Difference]: Without dead ends: 43745 [2024-11-14 04:24:35,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:35,951 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 190 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:35,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 290 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:36,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43745 states. [2024-11-14 04:24:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43745 to 43739. [2024-11-14 04:24:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43739 states, 43533 states have (on average 2.8809638664920865) internal successors, (125417), 43738 states have internal predecessors, (125417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43739 states to 43739 states and 125417 transitions. [2024-11-14 04:24:37,531 INFO L78 Accepts]: Start accepts. Automaton has 43739 states and 125417 transitions. Word has length 23 [2024-11-14 04:24:37,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:37,531 INFO L471 AbstractCegarLoop]: Abstraction has 43739 states and 125417 transitions. [2024-11-14 04:24:37,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 43739 states and 125417 transitions. [2024-11-14 04:24:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:24:37,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:37,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:37,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:24:37,532 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:37,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash 111402037, now seen corresponding path program 1 times [2024-11-14 04:24:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203530474] [2024-11-14 04:24:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:37,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:37,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203530474] [2024-11-14 04:24:37,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203530474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:37,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:37,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:37,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274724744] [2024-11-14 04:24:37,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:37,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:37,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:37,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:37,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:37,594 INFO L87 Difference]: Start difference. First operand 43739 states and 125417 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:38,003 INFO L93 Difference]: Finished difference Result 43739 states and 125417 transitions. [2024-11-14 04:24:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2024-11-14 04:24:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:38,546 INFO L225 Difference]: With dead ends: 43739 [2024-11-14 04:24:38,547 INFO L226 Difference]: Without dead ends: 43738 [2024-11-14 04:24:38,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:38,561 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 3 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:38,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 455 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43738 states. [2024-11-14 04:24:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43738 to 43738. [2024-11-14 04:24:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43738 states, 43533 states have (on average 2.8809408954126754) internal successors, (125416), 43737 states have internal predecessors, (125416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43738 states to 43738 states and 125416 transitions. [2024-11-14 04:24:40,107 INFO L78 Accepts]: Start accepts. Automaton has 43738 states and 125416 transitions. Word has length 25 [2024-11-14 04:24:40,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:40,107 INFO L471 AbstractCegarLoop]: Abstraction has 43738 states and 125416 transitions. [2024-11-14 04:24:40,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 43738 states and 125416 transitions. [2024-11-14 04:24:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 04:24:40,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:40,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:40,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:24:40,109 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:40,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:40,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1477456377, now seen corresponding path program 1 times [2024-11-14 04:24:40,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:40,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580122855] [2024-11-14 04:24:40,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:40,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:40,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:40,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580122855] [2024-11-14 04:24:40,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580122855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:40,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:40,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:40,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500845668] [2024-11-14 04:24:40,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:40,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:40,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:40,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:40,269 INFO L87 Difference]: Start difference. First operand 43738 states and 125416 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:41,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:41,409 INFO L93 Difference]: Finished difference Result 87434 states and 250789 transitions. [2024-11-14 04:24:41,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:41,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2024-11-14 04:24:41,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:41,733 INFO L225 Difference]: With dead ends: 87434 [2024-11-14 04:24:41,733 INFO L226 Difference]: Without dead ends: 87433 [2024-11-14 04:24:41,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:41,761 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 210 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:41,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 648 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87433 states. [2024-11-14 04:24:43,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87433 to 43737. [2024-11-14 04:24:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43737 states, 43533 states have (on average 2.8809179243332643) internal successors, (125415), 43736 states have internal predecessors, (125415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43737 states to 43737 states and 125415 transitions. [2024-11-14 04:24:43,432 INFO L78 Accepts]: Start accepts. Automaton has 43737 states and 125415 transitions. Word has length 31 [2024-11-14 04:24:43,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:43,433 INFO L471 AbstractCegarLoop]: Abstraction has 43737 states and 125415 transitions. [2024-11-14 04:24:43,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 43737 states and 125415 transitions. [2024-11-14 04:24:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 04:24:43,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:43,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:43,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:24:43,435 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:43,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:43,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1549876720, now seen corresponding path program 1 times [2024-11-14 04:24:43,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:43,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590585669] [2024-11-14 04:24:43,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:43,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:43,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:43,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590585669] [2024-11-14 04:24:43,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590585669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:43,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:43,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:43,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042446459] [2024-11-14 04:24:43,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:43,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:43,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:43,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:43,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:43,482 INFO L87 Difference]: Start difference. First operand 43737 states and 125415 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:44,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:44,353 INFO L93 Difference]: Finished difference Result 43737 states and 125415 transitions. [2024-11-14 04:24:44,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:44,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2024-11-14 04:24:44,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:44,565 INFO L225 Difference]: With dead ends: 43737 [2024-11-14 04:24:44,566 INFO L226 Difference]: Without dead ends: 43736 [2024-11-14 04:24:44,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:44,589 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 3 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:44,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 451 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43736 states. [2024-11-14 04:24:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43736 to 43736. [2024-11-14 04:24:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43736 states, 43533 states have (on average 2.8808949532538533) internal successors, (125414), 43735 states have internal predecessors, (125414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43736 states to 43736 states and 125414 transitions. [2024-11-14 04:24:46,085 INFO L78 Accepts]: Start accepts. Automaton has 43736 states and 125414 transitions. Word has length 36 [2024-11-14 04:24:46,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:46,085 INFO L471 AbstractCegarLoop]: Abstraction has 43736 states and 125414 transitions. [2024-11-14 04:24:46,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43736 states and 125414 transitions. [2024-11-14 04:24:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 04:24:46,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:46,086 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:46,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:24:46,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:46,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:46,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1901818435, now seen corresponding path program 1 times [2024-11-14 04:24:46,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:46,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972213993] [2024-11-14 04:24:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:46,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:46,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:46,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972213993] [2024-11-14 04:24:46,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972213993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:46,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:46,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:24:46,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681909102] [2024-11-14 04:24:46,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:46,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:46,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:46,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:46,155 INFO L87 Difference]: Start difference. First operand 43736 states and 125414 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:47,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:47,231 INFO L93 Difference]: Finished difference Result 87425 states and 250779 transitions. [2024-11-14 04:24:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:47,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2024-11-14 04:24:47,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:47,411 INFO L225 Difference]: With dead ends: 87425 [2024-11-14 04:24:47,411 INFO L226 Difference]: Without dead ends: 43736 [2024-11-14 04:24:47,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:47,462 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:47,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 460 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:47,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43736 states. [2024-11-14 04:24:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43736 to 43736. [2024-11-14 04:24:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43736 states, 43533 states have (on average 2.880871982174442) internal successors, (125413), 43735 states have internal predecessors, (125413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43736 states to 43736 states and 125413 transitions. [2024-11-14 04:24:48,681 INFO L78 Accepts]: Start accepts. Automaton has 43736 states and 125413 transitions. Word has length 42 [2024-11-14 04:24:48,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:48,681 INFO L471 AbstractCegarLoop]: Abstraction has 43736 states and 125413 transitions. [2024-11-14 04:24:48,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 43736 states and 125413 transitions. [2024-11-14 04:24:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-14 04:24:48,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:48,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:48,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:24:48,683 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:48,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash -690083629, now seen corresponding path program 1 times [2024-11-14 04:24:48,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:48,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282939596] [2024-11-14 04:24:48,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:49,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:49,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282939596] [2024-11-14 04:24:49,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282939596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:49,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:49,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:24:49,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160433845] [2024-11-14 04:24:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:49,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:24:49,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:24:49,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:49,375 INFO L87 Difference]: Start difference. First operand 43736 states and 125413 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:50,406 INFO L93 Difference]: Finished difference Result 43736 states and 125413 transitions. [2024-11-14 04:24:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:24:50,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2024-11-14 04:24:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:50,603 INFO L225 Difference]: With dead ends: 43736 [2024-11-14 04:24:50,603 INFO L226 Difference]: Without dead ends: 43719 [2024-11-14 04:24:50,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:50,614 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 91 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:50,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 628 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:24:50,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43719 states. [2024-11-14 04:24:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43719 to 43719. [2024-11-14 04:24:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43719 states, 43520 states have (on average 2.8809972426470587) internal successors, (125381), 43718 states have internal predecessors, (125381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43719 states to 43719 states and 125381 transitions. [2024-11-14 04:24:52,106 INFO L78 Accepts]: Start accepts. Automaton has 43719 states and 125381 transitions. Word has length 45 [2024-11-14 04:24:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:52,106 INFO L471 AbstractCegarLoop]: Abstraction has 43719 states and 125381 transitions. [2024-11-14 04:24:52,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 43719 states and 125381 transitions. [2024-11-14 04:24:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-14 04:24:52,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:52,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:52,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:24:52,108 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:52,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:52,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1463451063, now seen corresponding path program 1 times [2024-11-14 04:24:52,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:52,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183651769] [2024-11-14 04:24:52,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:52,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:52,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183651769] [2024-11-14 04:24:52,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183651769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:52,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:52,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:52,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458599596] [2024-11-14 04:24:52,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:52,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:52,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:52,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:52,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:24:52,223 INFO L87 Difference]: Start difference. First operand 43719 states and 125381 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:53,525 INFO L93 Difference]: Finished difference Result 89011 states and 253859 transitions. [2024-11-14 04:24:53,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:53,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-14 04:24:53,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:53,798 INFO L225 Difference]: With dead ends: 89011 [2024-11-14 04:24:53,798 INFO L226 Difference]: Without dead ends: 72987 [2024-11-14 04:24:53,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:24:53,831 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 442 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:53,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 535 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:24:53,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72987 states. [2024-11-14 04:24:55,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72987 to 53572. [2024-11-14 04:24:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53572 states, 53373 states have (on average 2.913757892567403) internal successors, (155516), 53571 states have internal predecessors, (155516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53572 states to 53572 states and 155516 transitions. [2024-11-14 04:24:55,492 INFO L78 Accepts]: Start accepts. Automaton has 53572 states and 155516 transitions. Word has length 49 [2024-11-14 04:24:55,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:55,493 INFO L471 AbstractCegarLoop]: Abstraction has 53572 states and 155516 transitions. [2024-11-14 04:24:55,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 53572 states and 155516 transitions. [2024-11-14 04:24:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-14 04:24:55,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:55,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:55,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 04:24:55,495 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting setThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:55,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:55,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1297146744, now seen corresponding path program 1 times [2024-11-14 04:24:55,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:55,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246832784] [2024-11-14 04:24:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:55,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:55,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:55,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246832784] [2024-11-14 04:24:55,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246832784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:55,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:55,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:55,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423447545] [2024-11-14 04:24:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:55,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:55,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:55,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:55,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:55,541 INFO L87 Difference]: Start difference. First operand 53572 states and 155516 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:56,549 INFO L93 Difference]: Finished difference Result 62623 states and 183092 transitions. [2024-11-14 04:24:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:56,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-14 04:24:56,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:56,823 INFO L225 Difference]: With dead ends: 62623 [2024-11-14 04:24:56,823 INFO L226 Difference]: Without dead ends: 59371 [2024-11-14 04:24:56,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:56,853 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 162 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:56,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 608 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59371 states. [2024-11-14 04:24:58,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59371 to 56354. [2024-11-14 04:24:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56354 states, 56158 states have (on average 2.921596210691264) internal successors, (164071), 56353 states have internal predecessors, (164071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56354 states to 56354 states and 164071 transitions. [2024-11-14 04:24:58,627 INFO L78 Accepts]: Start accepts. Automaton has 56354 states and 164071 transitions. Word has length 51 [2024-11-14 04:24:58,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:58,627 INFO L471 AbstractCegarLoop]: Abstraction has 56354 states and 164071 transitions. [2024-11-14 04:24:58,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:58,627 INFO L276 IsEmpty]: Start isEmpty. Operand 56354 states and 164071 transitions. [2024-11-14 04:24:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 04:24:58,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:58,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:58,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 04:24:58,629 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting setThreadErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:24:58,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:58,629 INFO L85 PathProgramCache]: Analyzing trace with hash -741151188, now seen corresponding path program 1 times [2024-11-14 04:24:58,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:58,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334460681] [2024-11-14 04:24:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:58,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:24:58,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:58,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334460681] [2024-11-14 04:24:58,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334460681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:58,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:58,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:58,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475130792] [2024-11-14 04:24:58,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:58,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:58,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:58,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:58,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:58,677 INFO L87 Difference]: Start difference. First operand 56354 states and 164071 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:24:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:59,812 INFO L93 Difference]: Finished difference Result 63841 states and 186303 transitions. [2024-11-14 04:24:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:59,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-14 04:24:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:25:00,055 INFO L225 Difference]: With dead ends: 63841 [2024-11-14 04:25:00,055 INFO L226 Difference]: Without dead ends: 56869 [2024-11-14 04:25:00,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:25:00,090 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 162 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:25:00,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 608 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:25:00,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56869 states. [2024-11-14 04:25:01,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56869 to 54616. [2024-11-14 04:25:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54616 states, 54431 states have (on average 2.907901747166137) internal successors, (158280), 54615 states have internal predecessors, (158280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:25:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54616 states to 54616 states and 158280 transitions. [2024-11-14 04:25:01,976 INFO L78 Accepts]: Start accepts. Automaton has 54616 states and 158280 transitions. Word has length 56 [2024-11-14 04:25:01,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:25:01,977 INFO L471 AbstractCegarLoop]: Abstraction has 54616 states and 158280 transitions. [2024-11-14 04:25:01,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:25:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 54616 states and 158280 transitions. [2024-11-14 04:25:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:25:01,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:25:01,978 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:01,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 04:25:01,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-14 04:25:01,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:25:01,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1506837608, now seen corresponding path program 1 times [2024-11-14 04:25:01,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:25:01,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166319930] [2024-11-14 04:25:01,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:25:01,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:25:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:25:02,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:25:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:25:02,082 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:25:02,083 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:25:02,084 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2024-11-14 04:25:02,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-14 04:25:02,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-14 04:25:02,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-14 04:25:02,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-14 04:25:02,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-14 04:25:02,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-14 04:25:02,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr4ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-14 04:25:02,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-14 04:25:02,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-14 04:25:02,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-14 04:25:02,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-14 04:25:02,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-14 04:25:02,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2024-11-14 04:25:02,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-14 04:25:02,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr4ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-14 04:25:02,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 04:25:02,094 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:02,096 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 04:25:02,096 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-14 04:25:02,160 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-14 04:25:02,169 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 325 places, 346 transitions, 736 flow