./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/floating_read-10.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_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/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_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/floating_read-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/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_29165a73-afda-43ab-b57d-ea75612ebc76/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 8144e99ab74da6c65d7c38142aa4ddc1b99b688ea06937a7acd153b5a75ad731 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:00,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:00,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 02:42:00,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:00,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:00,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:00,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:00,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:00,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:00,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:00,373 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:00,373 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:00,374 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:00,374 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:00,374 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:00,374 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:00,375 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:00,375 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:00,375 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:00,375 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:00,375 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:00,376 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:00,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:00,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:00,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:42:00,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:00,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:42:00,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:00,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:00,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:00,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:00,377 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 02:42:00,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:00,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:42:00,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:42:00,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:00,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:00,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:00,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:00,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:00,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:00,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:00,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:00,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:00,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:00,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:00,381 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:00,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:00,381 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_29165a73-afda-43ab-b57d-ea75612ebc76/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 -> 8144e99ab74da6c65d7c38142aa4ddc1b99b688ea06937a7acd153b5a75ad731 [2024-11-14 02:42:00,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:00,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:00,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:00,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:00,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:00,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-deagle/floating_read-10.i Unable to find full path for "g++" [2024-11-14 02:42:02,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:03,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:03,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/sv-benchmarks/c/pthread-deagle/floating_read-10.i [2024-11-14 02:42:03,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/data/872eaac25/7b0aafa411f149419aac59ef26b1991c/FLAG62c9dc146 [2024-11-14 02:42:03,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/data/872eaac25/7b0aafa411f149419aac59ef26b1991c [2024-11-14 02:42:03,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:03,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:03,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:03,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:03,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:03,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:03" (1/1) ... [2024-11-14 02:42:03,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eee921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:03, skipping insertion in model container [2024-11-14 02:42:03,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:03" (1/1) ... [2024-11-14 02:42:03,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:04,096 WARN L1684 CHandler]: Possible shadowing of function thread [2024-11-14 02:42:04,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:04,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:04,195 WARN L1684 CHandler]: Possible shadowing of function thread [2024-11-14 02:42:04,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:04,251 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:04,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04 WrapperNode [2024-11-14 02:42:04,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:04,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:04,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:04,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:04,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,308 INFO L138 Inliner]: procedures = 162, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-14 02:42:04,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:04,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:04,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:04,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:04,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:04,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:04,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:04,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:04,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (1/1) ... [2024-11-14 02:42:04,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:04,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:04,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:04,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:42:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:42:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 02:42:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:42:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:42:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:42:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-14 02:42:04,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-14 02:42:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 02:42:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:04,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:04,433 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 02:42:04,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:04,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:04,846 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 02:42:04,846 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:04,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:04,876 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 02:42:04,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:04 BoogieIcfgContainer [2024-11-14 02:42:04,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:04,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:04,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:04,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:04,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:03" (1/3) ... [2024-11-14 02:42:04,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db2b87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:04, skipping insertion in model container [2024-11-14 02:42:04,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:04" (2/3) ... [2024-11-14 02:42:04,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db2b87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:04, skipping insertion in model container [2024-11-14 02:42:04,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:04" (3/3) ... [2024-11-14 02:42:04,886 INFO L112 eAbstractionObserver]: Analyzing ICFG floating_read-10.i [2024-11-14 02:42:04,900 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:04,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG floating_read-10.i that has 2 procedures, 70 locations, 1 initial locations, 2 loop locations, and 5 error locations. [2024-11-14 02:42:04,901 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 02:42:04,961 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-14 02:42:05,000 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 75 transitions, 157 flow [2024-11-14 02:42:05,056 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 366 states, 350 states have (on average 1.8885714285714286) internal successors, (661), 365 states have internal predecessors, (661), 0 states have call successors, (0), 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 02:42:05,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:05,091 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;@e5766a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:05,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-14 02:42:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 366 states, 350 states have (on average 1.8885714285714286) internal successors, (661), 365 states have internal predecessors, (661), 0 states have call successors, (0), 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 02:42:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 02:42:05,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:05,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:05,100 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-14 02:42:05,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash 740034059, now seen corresponding path program 1 times [2024-11-14 02:42:05,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386284612] [2024-11-14 02:42:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:05,305 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 02:42:05,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:05,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386284612] [2024-11-14 02:42:05,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386284612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:05,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:05,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 02:42:05,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472549693] [2024-11-14 02:42:05,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:05,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:42:05,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:05,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:42:05,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:05,341 INFO L87 Difference]: Start difference. First operand has 366 states, 350 states have (on average 1.8885714285714286) internal successors, (661), 365 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:05,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:05,382 INFO L93 Difference]: Finished difference Result 549 states and 1020 transitions. [2024-11-14 02:42:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:42:05,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2024-11-14 02:42:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:05,394 INFO L225 Difference]: With dead ends: 549 [2024-11-14 02:42:05,394 INFO L226 Difference]: Without dead ends: 230 [2024-11-14 02:42:05,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:05,401 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:05,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:05,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-14 02:42:05,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-14 02:42:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 223 states have (on average 1.704035874439462) internal successors, (380), 229 states have internal predecessors, (380), 0 states have call successors, (0), 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 02:42:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 380 transitions. [2024-11-14 02:42:05,449 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 380 transitions. Word has length 14 [2024-11-14 02:42:05,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:05,449 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 380 transitions. [2024-11-14 02:42:05,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 380 transitions. [2024-11-14 02:42:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 02:42:05,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:05,450 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 02:42:05,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:42:05,451 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-14 02:42:05,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1636154397, now seen corresponding path program 1 times [2024-11-14 02:42:05,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:05,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259390701] [2024-11-14 02:42:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:05,609 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 02:42:05,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:05,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259390701] [2024-11-14 02:42:05,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259390701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:05,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:05,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:05,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283635357] [2024-11-14 02:42:05,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:05,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:05,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:05,613 INFO L87 Difference]: Start difference. First operand 230 states and 380 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:05,707 INFO L93 Difference]: Finished difference Result 238 states and 387 transitions. [2024-11-14 02:42:05,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:05,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:05,713 INFO L225 Difference]: With dead ends: 238 [2024-11-14 02:42:05,713 INFO L226 Difference]: Without dead ends: 224 [2024-11-14 02:42:05,714 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 02:42:05,718 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:05,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 79 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-14 02:42:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-14 02:42:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 218 states have (on average 1.7110091743119267) internal successors, (373), 223 states have internal predecessors, (373), 0 states have call successors, (0), 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 02:42:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 373 transitions. [2024-11-14 02:42:05,743 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 373 transitions. Word has length 19 [2024-11-14 02:42:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:05,744 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 373 transitions. [2024-11-14 02:42:05,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 373 transitions. [2024-11-14 02:42:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 02:42:05,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:05,747 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 02:42:05,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:42:05,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-14 02:42:05,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash 589432965, now seen corresponding path program 1 times [2024-11-14 02:42:05,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:05,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100949963] [2024-11-14 02:42:05,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:06,470 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 02:42:06,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:06,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100949963] [2024-11-14 02:42:06,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100949963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:06,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:06,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:42:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115584437] [2024-11-14 02:42:06,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:06,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:42:06,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:06,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:42:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:06,476 INFO L87 Difference]: Start difference. First operand 224 states and 373 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:06,655 INFO L93 Difference]: Finished difference Result 224 states and 373 transitions. [2024-11-14 02:42:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:42:06,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:06,657 INFO L225 Difference]: With dead ends: 224 [2024-11-14 02:42:06,658 INFO L226 Difference]: Without dead ends: 217 [2024-11-14 02:42:06,658 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 02:42:06,659 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 42 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:06,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 111 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:06,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-14 02:42:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-14 02:42:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 213 states have (on average 1.6948356807511737) internal successors, (361), 216 states have internal predecessors, (361), 0 states have call successors, (0), 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 02:42:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 361 transitions. [2024-11-14 02:42:06,681 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 361 transitions. Word has length 25 [2024-11-14 02:42:06,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:06,682 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 361 transitions. [2024-11-14 02:42:06,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 361 transitions. [2024-11-14 02:42:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 02:42:06,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:06,684 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] [2024-11-14 02:42:06,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:42:06,684 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-14 02:42:06,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:06,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2027216122, now seen corresponding path program 1 times [2024-11-14 02:42:06,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:06,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26399644] [2024-11-14 02:42:06,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:06,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26399644] [2024-11-14 02:42:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26399644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986157504] [2024-11-14 02:42:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:06,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:06,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:06,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:42:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:06,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:42:06,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 02:42:06,935 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:06,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986157504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:06,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:42:06,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 02:42:06,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053150399] [2024-11-14 02:42:06,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:06,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:06,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:06,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:06,937 INFO L87 Difference]: Start difference. First operand 217 states and 361 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:06,960 INFO L93 Difference]: Finished difference Result 267 states and 434 transitions. [2024-11-14 02:42:06,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:06,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2024-11-14 02:42:06,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:06,963 INFO L225 Difference]: With dead ends: 267 [2024-11-14 02:42:06,963 INFO L226 Difference]: Without dead ends: 261 [2024-11-14 02:42:06,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:06,965 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 19 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:06,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 100 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-14 02:42:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 217. [2024-11-14 02:42:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 213 states have (on average 1.6901408450704225) internal successors, (360), 216 states have internal predecessors, (360), 0 states have call successors, (0), 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 02:42:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 360 transitions. [2024-11-14 02:42:06,982 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 360 transitions. Word has length 33 [2024-11-14 02:42:06,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:06,983 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 360 transitions. [2024-11-14 02:42:06,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 360 transitions. [2024-11-14 02:42:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 02:42:06,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:06,984 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 02:42:07,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:07,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-14 02:42:07,188 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-14 02:42:07,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:07,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2102785093, now seen corresponding path program 1 times [2024-11-14 02:42:07,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:07,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563440097] [2024-11-14 02:42:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:07,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:07,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563440097] [2024-11-14 02:42:07,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563440097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:07,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156079535] [2024-11-14 02:42:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:07,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:07,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:07,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 02:42:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:42:07,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:07,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:07,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156079535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:07,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [180893513] [2024-11-14 02:42:07,600 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:42:07,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:07,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 02:42:07,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700462370] [2024-11-14 02:42:07,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:07,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:42:07,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:07,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:42:07,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:42:07,605 INFO L87 Difference]: Start difference. First operand 217 states and 360 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 02:42:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:07,705 INFO L93 Difference]: Finished difference Result 217 states and 360 transitions. [2024-11-14 02:42:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:42:07,706 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 02:42:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:07,708 INFO L225 Difference]: With dead ends: 217 [2024-11-14 02:42:07,708 INFO L226 Difference]: Without dead ends: 116 [2024-11-14 02:42:07,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-14 02:42:07,710 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 72 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:07,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 90 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:07,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-14 02:42:07,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-14 02:42:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.608695652173913) internal successors, (185), 115 states have internal predecessors, (185), 0 states have call successors, (0), 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 02:42:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 185 transitions. [2024-11-14 02:42:07,717 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 185 transitions. Word has length 36 [2024-11-14 02:42:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:07,718 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 185 transitions. [2024-11-14 02:42:07,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 02:42:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2024-11-14 02:42:07,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 02:42:07,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:07,720 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 02:42:07,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 02:42:07,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:07,920 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-14 02:42:07,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:07,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1414743560, now seen corresponding path program 1 times [2024-11-14 02:42:07,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:07,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969388767] [2024-11-14 02:42:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:07,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:08,000 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:08,000 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:08,001 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-14 02:42:08,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-14 02:42:08,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-14 02:42:08,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-14 02:42:08,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-14 02:42:08,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-14 02:42:08,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-14 02:42:08,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 02:42:08,009 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-14 02:42:08,011 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 02:42:08,011 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-14 02:42:08,034 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 02:42:08,038 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 83 transitions, 182 flow [2024-11-14 02:42:08,179 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2732 states, 2692 states have (on average 2.6426448736998513) internal successors, (7114), 2731 states have internal predecessors, (7114), 0 states have call successors, (0), 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 02:42:08,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:08,182 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;@e5766a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:08,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-14 02:42:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 2732 states, 2692 states have (on average 2.6426448736998513) internal successors, (7114), 2731 states have internal predecessors, (7114), 0 states have call successors, (0), 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 02:42:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 02:42:08,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:08,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:08,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-14 02:42:08,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:08,194 INFO L85 PathProgramCache]: Analyzing trace with hash 759125675, now seen corresponding path program 1 times [2024-11-14 02:42:08,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:08,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247873080] [2024-11-14 02:42:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:08,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:08,213 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 02:42:08,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:08,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247873080] [2024-11-14 02:42:08,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247873080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:08,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:08,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 02:42:08,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042355583] [2024-11-14 02:42:08,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:08,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:42:08,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:08,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:42:08,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:08,224 INFO L87 Difference]: Start difference. First operand has 2732 states, 2692 states have (on average 2.6426448736998513) internal successors, (7114), 2731 states have internal predecessors, (7114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:08,308 INFO L93 Difference]: Finished difference Result 4031 states and 10762 transitions. [2024-11-14 02:42:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:42:08,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2024-11-14 02:42:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:08,325 INFO L225 Difference]: With dead ends: 4031 [2024-11-14 02:42:08,325 INFO L226 Difference]: Without dead ends: 1430 [2024-11-14 02:42:08,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:08,332 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:08,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-14 02:42:08,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-11-14 02:42:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1419 states have (on average 2.4573643410852712) internal successors, (3487), 1429 states have internal predecessors, (3487), 0 states have call successors, (0), 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 02:42:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 3487 transitions. [2024-11-14 02:42:08,400 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 3487 transitions. Word has length 14 [2024-11-14 02:42:08,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:08,400 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 3487 transitions. [2024-11-14 02:42:08,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 3487 transitions. [2024-11-14 02:42:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 02:42:08,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:08,401 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 02:42:08,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 02:42:08,401 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-14 02:42:08,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:08,403 INFO L85 PathProgramCache]: Analyzing trace with hash 934570768, now seen corresponding path program 1 times [2024-11-14 02:42:08,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:08,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531934902] [2024-11-14 02:42:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:08,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:08,433 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 02:42:08,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:08,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531934902] [2024-11-14 02:42:08,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531934902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:08,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:08,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:08,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728418025] [2024-11-14 02:42:08,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:08,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:08,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:08,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:08,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:08,435 INFO L87 Difference]: Start difference. First operand 1430 states and 3487 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:08,540 INFO L93 Difference]: Finished difference Result 1438 states and 3494 transitions. [2024-11-14 02:42:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:08,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:08,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:08,551 INFO L225 Difference]: With dead ends: 1438 [2024-11-14 02:42:08,551 INFO L226 Difference]: Without dead ends: 1424 [2024-11-14 02:42:08,552 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 02:42:08,554 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:08,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 87 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:08,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-14 02:42:08,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1424. [2024-11-14 02:42:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1414 states have (on average 2.4611032531824613) internal successors, (3480), 1423 states have internal predecessors, (3480), 0 states have call successors, (0), 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 02:42:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 3480 transitions. [2024-11-14 02:42:08,618 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 3480 transitions. Word has length 19 [2024-11-14 02:42:08,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:08,618 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 3480 transitions. [2024-11-14 02:42:08,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:08,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 3480 transitions. [2024-11-14 02:42:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 02:42:08,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:08,619 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 02:42:08,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 02:42:08,619 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-14 02:42:08,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:08,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1677413464, now seen corresponding path program 1 times [2024-11-14 02:42:08,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:08,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789688298] [2024-11-14 02:42:08,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:08,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,023 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 02:42:09,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:09,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789688298] [2024-11-14 02:42:09,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789688298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:09,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:09,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:42:09,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576833568] [2024-11-14 02:42:09,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:09,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:42:09,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:09,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:42:09,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:09,026 INFO L87 Difference]: Start difference. First operand 1424 states and 3480 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:09,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:09,129 INFO L93 Difference]: Finished difference Result 1424 states and 3480 transitions. [2024-11-14 02:42:09,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:42:09,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:09,139 INFO L225 Difference]: With dead ends: 1424 [2024-11-14 02:42:09,139 INFO L226 Difference]: Without dead ends: 1381 [2024-11-14 02:42:09,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:09,141 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 60 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:09,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 120 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:09,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-11-14 02:42:09,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2024-11-14 02:42:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1374 states have (on average 2.4541484716157207) internal successors, (3372), 1380 states have internal predecessors, (3372), 0 states have call successors, (0), 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 02:42:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 3372 transitions. [2024-11-14 02:42:09,190 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 3372 transitions. Word has length 25 [2024-11-14 02:42:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:09,191 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 3372 transitions. [2024-11-14 02:42:09,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 3372 transitions. [2024-11-14 02:42:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 02:42:09,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:09,192 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] [2024-11-14 02:42:09,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 02:42:09,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-14 02:42:09,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:09,193 INFO L85 PathProgramCache]: Analyzing trace with hash -759068013, now seen corresponding path program 1 times [2024-11-14 02:42:09,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:09,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563808138] [2024-11-14 02:42:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:09,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:09,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:09,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563808138] [2024-11-14 02:42:09,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563808138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:09,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827341081] [2024-11-14 02:42:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:09,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:09,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:09,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:09,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 02:42:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:42:09,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 02:42:09,376 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:09,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827341081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:09,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:42:09,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 02:42:09,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073368995] [2024-11-14 02:42:09,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:09,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:09,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:09,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:09,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:09,377 INFO L87 Difference]: Start difference. First operand 1381 states and 3372 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:09,432 INFO L93 Difference]: Finished difference Result 1899 states and 4538 transitions. [2024-11-14 02:42:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:09,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2024-11-14 02:42:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:09,448 INFO L225 Difference]: With dead ends: 1899 [2024-11-14 02:42:09,448 INFO L226 Difference]: Without dead ends: 1857 [2024-11-14 02:42:09,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:09,452 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 24 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:09,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 112 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-14 02:42:09,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1399. [2024-11-14 02:42:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 1392 states have (on average 2.451867816091954) internal successors, (3413), 1398 states have internal predecessors, (3413), 0 states have call successors, (0), 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 02:42:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 3413 transitions. [2024-11-14 02:42:09,549 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 3413 transitions. Word has length 33 [2024-11-14 02:42:09,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:09,549 INFO L471 AbstractCegarLoop]: Abstraction has 1399 states and 3413 transitions. [2024-11-14 02:42:09,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 3413 transitions. [2024-11-14 02:42:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 02:42:09,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:09,551 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 02:42:09,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:09,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 02:42:09,759 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-14 02:42:09,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1324120181, now seen corresponding path program 1 times [2024-11-14 02:42:09,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:09,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472309192] [2024-11-14 02:42:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:09,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:09,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472309192] [2024-11-14 02:42:09,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472309192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:09,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309514129] [2024-11-14 02:42:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:09,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:09,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:09,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:09,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 02:42:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:42:09,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:10,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:10,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309514129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:10,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [74877921] [2024-11-14 02:42:10,121 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:42:10,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:10,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 02:42:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232866485] [2024-11-14 02:42:10,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:10,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:42:10,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:10,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:42:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:42:10,127 INFO L87 Difference]: Start difference. First operand 1399 states and 3413 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 02:42:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:10,298 INFO L93 Difference]: Finished difference Result 1399 states and 3413 transitions. [2024-11-14 02:42:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:42:10,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 02:42:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:10,305 INFO L225 Difference]: With dead ends: 1399 [2024-11-14 02:42:10,305 INFO L226 Difference]: Without dead ends: 650 [2024-11-14 02:42:10,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 02:42:10,308 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 109 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:10,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 187 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:10,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-14 02:42:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2024-11-14 02:42:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 649 states have (on average 2.440677966101695) internal successors, (1584), 649 states have internal predecessors, (1584), 0 states have call successors, (0), 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 02:42:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1584 transitions. [2024-11-14 02:42:10,335 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1584 transitions. Word has length 36 [2024-11-14 02:42:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:10,336 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 1584 transitions. [2024-11-14 02:42:10,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 02:42:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1584 transitions. [2024-11-14 02:42:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-14 02:42:10,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:10,338 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:10,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:10,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-14 02:42:10,542 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-14 02:42:10,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:10,542 INFO L85 PathProgramCache]: Analyzing trace with hash -178232926, now seen corresponding path program 1 times [2024-11-14 02:42:10,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:10,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446589498] [2024-11-14 02:42:10,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:10,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:10,594 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:10,596 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:10,596 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-14 02:42:10,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-11-14 02:42:10,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-11-14 02:42:10,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-11-14 02:42:10,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2024-11-14 02:42:10,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-11-14 02:42:10,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-11-14 02:42:10,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-11-14 02:42:10,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 02:42:10,597 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-14 02:42:10,598 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 02:42:10,598 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-14 02:42:10,631 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 02:42:10,633 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 91 transitions, 209 flow [2024-11-14 02:42:11,569 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20470 states, 20370 states have (on average 3.4176730486008835) internal successors, (69618), 20469 states have internal predecessors, (69618), 0 states have call successors, (0), 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 02:42:11,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:11,571 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;@e5766a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:11,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-14 02:42:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 20470 states, 20370 states have (on average 3.4176730486008835) internal successors, (69618), 20469 states have internal predecessors, (69618), 0 states have call successors, (0), 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 02:42:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 02:42:11,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:11,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:11,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:11,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:11,622 INFO L85 PathProgramCache]: Analyzing trace with hash -824086965, now seen corresponding path program 1 times [2024-11-14 02:42:11,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:11,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852590972] [2024-11-14 02:42:11,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:11,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:11,639 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 02:42:11,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:11,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852590972] [2024-11-14 02:42:11,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852590972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:11,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:11,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 02:42:11,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912680926] [2024-11-14 02:42:11,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:11,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:42:11,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:11,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:42:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:11,690 INFO L87 Difference]: Start difference. First operand has 20470 states, 20370 states have (on average 3.4176730486008835) internal successors, (69618), 20469 states have internal predecessors, (69618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:12,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:12,282 INFO L93 Difference]: Finished difference Result 29347 states and 102271 transitions. [2024-11-14 02:42:12,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:42:12,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2024-11-14 02:42:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:12,424 INFO L225 Difference]: With dead ends: 29347 [2024-11-14 02:42:12,425 INFO L226 Difference]: Without dead ends: 9134 [2024-11-14 02:42:12,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:12,472 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:12,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9134 states. [2024-11-14 02:42:12,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9134 to 9134. [2024-11-14 02:42:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9134 states, 9117 states have (on average 3.2275967971920587) internal successors, (29426), 9133 states have internal predecessors, (29426), 0 states have call successors, (0), 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 02:42:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9134 states to 9134 states and 29426 transitions. [2024-11-14 02:42:13,055 INFO L78 Accepts]: Start accepts. Automaton has 9134 states and 29426 transitions. Word has length 14 [2024-11-14 02:42:13,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:13,055 INFO L471 AbstractCegarLoop]: Abstraction has 9134 states and 29426 transitions. [2024-11-14 02:42:13,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9134 states and 29426 transitions. [2024-11-14 02:42:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 02:42:13,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:13,056 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 02:42:13,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 02:42:13,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:13,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:13,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1594019573, now seen corresponding path program 1 times [2024-11-14 02:42:13,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:13,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885100201] [2024-11-14 02:42:13,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:13,092 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 02:42:13,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:13,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885100201] [2024-11-14 02:42:13,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885100201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:13,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:13,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:13,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734096289] [2024-11-14 02:42:13,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:13,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:13,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:13,094 INFO L87 Difference]: Start difference. First operand 9134 states and 29426 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:13,236 INFO L93 Difference]: Finished difference Result 9142 states and 29433 transitions. [2024-11-14 02:42:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:13,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:13,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:13,312 INFO L225 Difference]: With dead ends: 9142 [2024-11-14 02:42:13,313 INFO L226 Difference]: Without dead ends: 9128 [2024-11-14 02:42:13,317 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 02:42:13,318 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 18 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:13,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 95 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:13,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9128 states. [2024-11-14 02:42:13,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9128 to 9128. [2024-11-14 02:42:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9128 states, 9112 states have (on average 3.22859964881475) internal successors, (29419), 9127 states have internal predecessors, (29419), 0 states have call successors, (0), 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 02:42:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9128 states to 9128 states and 29419 transitions. [2024-11-14 02:42:13,977 INFO L78 Accepts]: Start accepts. Automaton has 9128 states and 29419 transitions. Word has length 19 [2024-11-14 02:42:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:13,978 INFO L471 AbstractCegarLoop]: Abstraction has 9128 states and 29419 transitions. [2024-11-14 02:42:13,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 9128 states and 29419 transitions. [2024-11-14 02:42:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 02:42:13,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:13,978 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 02:42:13,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 02:42:13,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:13,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:13,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1628341299, now seen corresponding path program 1 times [2024-11-14 02:42:13,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:13,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34025631] [2024-11-14 02:42:13,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:14,303 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 02:42:14,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:14,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34025631] [2024-11-14 02:42:14,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34025631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:14,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:14,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:42:14,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46510775] [2024-11-14 02:42:14,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:14,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:42:14,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:42:14,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:14,305 INFO L87 Difference]: Start difference. First operand 9128 states and 29419 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:14,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:14,592 INFO L93 Difference]: Finished difference Result 9128 states and 29419 transitions. [2024-11-14 02:42:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:42:14,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:14,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:14,676 INFO L225 Difference]: With dead ends: 9128 [2024-11-14 02:42:14,677 INFO L226 Difference]: Without dead ends: 8869 [2024-11-14 02:42:14,685 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 02:42:14,685 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 87 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:14,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 171 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:14,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8869 states. [2024-11-14 02:42:15,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8869 to 8869. [2024-11-14 02:42:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8869 states, 8857 states have (on average 3.2240036129614995) internal successors, (28555), 8868 states have internal predecessors, (28555), 0 states have call successors, (0), 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 02:42:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8869 states to 8869 states and 28555 transitions. [2024-11-14 02:42:15,312 INFO L78 Accepts]: Start accepts. Automaton has 8869 states and 28555 transitions. Word has length 25 [2024-11-14 02:42:15,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:15,313 INFO L471 AbstractCegarLoop]: Abstraction has 8869 states and 28555 transitions. [2024-11-14 02:42:15,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 8869 states and 28555 transitions. [2024-11-14 02:42:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 02:42:15,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:15,314 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] [2024-11-14 02:42:15,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 02:42:15,314 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:15,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1641538088, now seen corresponding path program 1 times [2024-11-14 02:42:15,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:15,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007456440] [2024-11-14 02:42:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:15,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:15,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007456440] [2024-11-14 02:42:15,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007456440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:15,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815449766] [2024-11-14 02:42:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:15,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:15,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:15,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:15,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 02:42:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:15,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:42:15,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 02:42:15,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:15,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815449766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:15,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:42:15,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 02:42:15,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025655944] [2024-11-14 02:42:15,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:15,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:15,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:15,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:15,532 INFO L87 Difference]: Start difference. First operand 8869 states and 28555 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:15,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:15,742 INFO L93 Difference]: Finished difference Result 12969 states and 40969 transitions. [2024-11-14 02:42:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:15,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2024-11-14 02:42:15,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:15,935 INFO L225 Difference]: With dead ends: 12969 [2024-11-14 02:42:15,936 INFO L226 Difference]: Without dead ends: 12711 [2024-11-14 02:42:15,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:15,941 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 29 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:15,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 124 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:15,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12711 states. [2024-11-14 02:42:16,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12711 to 9049. [2024-11-14 02:42:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9049 states, 9037 states have (on average 3.2240787872081444) internal successors, (29136), 9048 states have internal predecessors, (29136), 0 states have call successors, (0), 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 02:42:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9049 states to 9049 states and 29136 transitions. [2024-11-14 02:42:16,360 INFO L78 Accepts]: Start accepts. Automaton has 9049 states and 29136 transitions. Word has length 33 [2024-11-14 02:42:16,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:16,360 INFO L471 AbstractCegarLoop]: Abstraction has 9049 states and 29136 transitions. [2024-11-14 02:42:16,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9049 states and 29136 transitions. [2024-11-14 02:42:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 02:42:16,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:16,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:16,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 02:42:16,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:16,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:16,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:16,566 INFO L85 PathProgramCache]: Analyzing trace with hash 621392483, now seen corresponding path program 1 times [2024-11-14 02:42:16,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:16,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179230904] [2024-11-14 02:42:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:16,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:16,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179230904] [2024-11-14 02:42:16,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179230904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142969247] [2024-11-14 02:42:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:16,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:16,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:16,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:16,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 02:42:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:16,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:42:16,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:16,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:16,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142969247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:16,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1732558488] [2024-11-14 02:42:16,834 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:42:16,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:16,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 02:42:16,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486501341] [2024-11-14 02:42:16,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:16,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:42:16,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:16,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:42:16,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:42:16,838 INFO L87 Difference]: Start difference. First operand 9049 states and 29136 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 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 02:42:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:17,084 INFO L93 Difference]: Finished difference Result 9528 states and 30240 transitions. [2024-11-14 02:42:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:42:17,084 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 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 02:42:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:17,146 INFO L225 Difference]: With dead ends: 9528 [2024-11-14 02:42:17,147 INFO L226 Difference]: Without dead ends: 8779 [2024-11-14 02:42:17,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 02:42:17,154 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 114 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:17,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 355 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8779 states. [2024-11-14 02:42:17,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8779 to 8779. [2024-11-14 02:42:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8779 states, 8769 states have (on average 3.239936138670316) internal successors, (28411), 8778 states have internal predecessors, (28411), 0 states have call successors, (0), 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 02:42:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 28411 transitions. [2024-11-14 02:42:17,432 INFO L78 Accepts]: Start accepts. Automaton has 8779 states and 28411 transitions. Word has length 36 [2024-11-14 02:42:17,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:17,433 INFO L471 AbstractCegarLoop]: Abstraction has 8779 states and 28411 transitions. [2024-11-14 02:42:17,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 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 02:42:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 8779 states and 28411 transitions. [2024-11-14 02:42:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 02:42:17,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:17,446 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 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 02:42:17,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:17,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 02:42:17,647 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:17,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash 64562510, now seen corresponding path program 1 times [2024-11-14 02:42:17,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:17,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905562521] [2024-11-14 02:42:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:17,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:17,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905562521] [2024-11-14 02:42:17,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905562521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:17,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730815947] [2024-11-14 02:42:17,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:17,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:17,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:17,895 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:17,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 02:42:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:18,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:42:18,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:18,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:18,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730815947] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1288915922] [2024-11-14 02:42:18,374 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:42:18,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:18,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 02:42:18,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409639983] [2024-11-14 02:42:18,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:18,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 02:42:18,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:18,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 02:42:18,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 02:42:18,378 INFO L87 Difference]: Start difference. First operand 8779 states and 28411 transitions. Second operand has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 0 states have call successors, (0), 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 02:42:18,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:18,805 INFO L93 Difference]: Finished difference Result 8779 states and 28411 transitions. [2024-11-14 02:42:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 02:42:18,806 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-14 02:42:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:18,842 INFO L225 Difference]: With dead ends: 8779 [2024-11-14 02:42:18,842 INFO L226 Difference]: Without dead ends: 3854 [2024-11-14 02:42:18,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=363, Unknown=0, NotChecked=0, Total=552 [2024-11-14 02:42:18,854 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 329 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:18,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 283 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2024-11-14 02:42:18,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3854. [2024-11-14 02:42:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 3853 states have (on average 3.2826369063067737) internal successors, (12648), 3853 states have internal predecessors, (12648), 0 states have call successors, (0), 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 02:42:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 12648 transitions. [2024-11-14 02:42:18,985 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 12648 transitions. Word has length 64 [2024-11-14 02:42:18,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:18,986 INFO L471 AbstractCegarLoop]: Abstraction has 3854 states and 12648 transitions. [2024-11-14 02:42:18,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 0 states have call successors, (0), 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 02:42:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 12648 transitions. [2024-11-14 02:42:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-14 02:42:18,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:18,994 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:19,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 02:42:19,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-14 02:42:19,195 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-14 02:42:19,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:19,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1999362599, now seen corresponding path program 1 times [2024-11-14 02:42:19,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:19,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656943117] [2024-11-14 02:42:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:19,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:19,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:19,273 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:19,274 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:19,274 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-11-14 02:42:19,274 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-14 02:42:19,274 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-14 02:42:19,274 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-14 02:42:19,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2024-11-14 02:42:19,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-14 02:42:19,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-14 02:42:19,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-14 02:42:19,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-14 02:42:19,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 02:42:19,276 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:19,277 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 02:42:19,277 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-14 02:42:19,301 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 02:42:19,305 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 99 transitions, 238 flow [2024-11-14 02:42:24,653 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 154044 states, 153788 states have (on average 4.199170286368247) internal successors, (645782), 154043 states have internal predecessors, (645782), 0 states have call successors, (0), 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 02:42:24,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:24,659 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;@e5766a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:24,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-14 02:42:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 154044 states, 153788 states have (on average 4.199170286368247) internal successors, (645782), 154043 states have internal predecessors, (645782), 0 states have call successors, (0), 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 02:42:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 02:42:24,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:24,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:24,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:24,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:24,932 INFO L85 PathProgramCache]: Analyzing trace with hash 285363435, now seen corresponding path program 1 times [2024-11-14 02:42:24,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:24,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022277184] [2024-11-14 02:42:24,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:24,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:24,944 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 02:42:24,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:24,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022277184] [2024-11-14 02:42:24,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022277184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:24,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:24,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 02:42:24,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78947995] [2024-11-14 02:42:24,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:24,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:42:24,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:24,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:42:24,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:25,161 INFO L87 Difference]: Start difference. First operand has 154044 states, 153788 states have (on average 4.199170286368247) internal successors, (645782), 154043 states have internal predecessors, (645782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:28,824 INFO L93 Difference]: Finished difference Result 214563 states and 921292 transitions. [2024-11-14 02:42:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:42:28,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2024-11-14 02:42:28,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:29,649 INFO L225 Difference]: With dead ends: 214563 [2024-11-14 02:42:29,649 INFO L226 Difference]: Without dead ends: 58886 [2024-11-14 02:42:30,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:30,354 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:30,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:30,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58886 states. [2024-11-14 02:42:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58886 to 58886. [2024-11-14 02:42:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58886 states, 58859 states have (on average 3.99634720263681) internal successors, (235221), 58885 states have internal predecessors, (235221), 0 states have call successors, (0), 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 02:42:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58886 states to 58886 states and 235221 transitions. [2024-11-14 02:42:33,588 INFO L78 Accepts]: Start accepts. Automaton has 58886 states and 235221 transitions. Word has length 14 [2024-11-14 02:42:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:33,588 INFO L471 AbstractCegarLoop]: Abstraction has 58886 states and 235221 transitions. [2024-11-14 02:42:33,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 02:42:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 58886 states and 235221 transitions. [2024-11-14 02:42:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 02:42:33,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:33,589 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 02:42:33,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 02:42:33,589 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:33,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:33,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1654649330, now seen corresponding path program 1 times [2024-11-14 02:42:33,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:33,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416215152] [2024-11-14 02:42:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:33,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:33,616 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 02:42:33,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:33,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416215152] [2024-11-14 02:42:33,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416215152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:33,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:33,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:33,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259861288] [2024-11-14 02:42:33,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:33,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:33,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:33,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:33,618 INFO L87 Difference]: Start difference. First operand 58886 states and 235221 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:34,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:34,316 INFO L93 Difference]: Finished difference Result 58894 states and 235228 transitions. [2024-11-14 02:42:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:34,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:34,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:34,882 INFO L225 Difference]: With dead ends: 58894 [2024-11-14 02:42:34,882 INFO L226 Difference]: Without dead ends: 58880 [2024-11-14 02:42:34,917 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 02:42:34,918 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 18 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:34,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 103 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:35,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58880 states. [2024-11-14 02:42:37,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58880 to 58880. [2024-11-14 02:42:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58880 states, 58854 states have (on average 3.996567777891052) internal successors, (235214), 58879 states have internal predecessors, (235214), 0 states have call successors, (0), 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 02:42:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58880 states to 58880 states and 235214 transitions. [2024-11-14 02:42:37,451 INFO L78 Accepts]: Start accepts. Automaton has 58880 states and 235214 transitions. Word has length 19 [2024-11-14 02:42:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:37,451 INFO L471 AbstractCegarLoop]: Abstraction has 58880 states and 235214 transitions. [2024-11-14 02:42:37,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 02:42:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 58880 states and 235214 transitions. [2024-11-14 02:42:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 02:42:37,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:37,452 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 02:42:37,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 02:42:37,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:37,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:37,452 INFO L85 PathProgramCache]: Analyzing trace with hash 442216470, now seen corresponding path program 1 times [2024-11-14 02:42:37,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:37,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286000111] [2024-11-14 02:42:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:37,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:37,676 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 02:42:37,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286000111] [2024-11-14 02:42:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286000111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:37,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:37,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:42:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491105985] [2024-11-14 02:42:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:37,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:42:37,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:37,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:42:37,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:37,677 INFO L87 Difference]: Start difference. First operand 58880 states and 235214 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:38,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:38,861 INFO L93 Difference]: Finished difference Result 58880 states and 235214 transitions. [2024-11-14 02:42:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:42:38,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:38,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:39,291 INFO L225 Difference]: With dead ends: 58880 [2024-11-14 02:42:39,291 INFO L226 Difference]: Without dead ends: 57325 [2024-11-14 02:42:39,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:39,314 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 114 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:39,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 176 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:39,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57325 states. [2024-11-14 02:42:41,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57325 to 57325. [2024-11-14 02:42:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57325 states, 57304 states have (on average 3.9915887198101356) internal successors, (228734), 57324 states have internal predecessors, (228734), 0 states have call successors, (0), 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 02:42:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57325 states to 57325 states and 228734 transitions. [2024-11-14 02:42:42,213 INFO L78 Accepts]: Start accepts. Automaton has 57325 states and 228734 transitions. Word has length 25 [2024-11-14 02:42:42,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:42,213 INFO L471 AbstractCegarLoop]: Abstraction has 57325 states and 228734 transitions. [2024-11-14 02:42:42,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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 02:42:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 57325 states and 228734 transitions. [2024-11-14 02:42:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 02:42:42,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:42,214 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] [2024-11-14 02:42:42,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-14 02:42:42,214 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:42,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 879634885, now seen corresponding path program 1 times [2024-11-14 02:42:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:42,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945444439] [2024-11-14 02:42:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:42,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:42,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945444439] [2024-11-14 02:42:42,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945444439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:42,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120911723] [2024-11-14 02:42:42,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:42,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:42,291 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:42,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 02:42:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:42,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:42:42,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 02:42:42,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:42,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120911723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:42,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:42:42,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 02:42:42,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726533971] [2024-11-14 02:42:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:42,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:42,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:42,406 INFO L87 Difference]: Start difference. First operand 57325 states and 228734 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:43,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:43,490 INFO L93 Difference]: Finished difference Result 87255 states and 342156 transitions. [2024-11-14 02:42:43,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:43,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2024-11-14 02:42:43,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:44,919 INFO L225 Difference]: With dead ends: 87255 [2024-11-14 02:42:44,920 INFO L226 Difference]: Without dead ends: 85701 [2024-11-14 02:42:44,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:42:44,934 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 34 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:44,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 136 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:45,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85701 states. [2024-11-14 02:42:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85701 to 58639. [2024-11-14 02:42:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58639 states, 58618 states have (on average 3.994012078201235) internal successors, (234121), 58638 states have internal predecessors, (234121), 0 states have call successors, (0), 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 02:42:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58639 states to 58639 states and 234121 transitions. [2024-11-14 02:42:47,750 INFO L78 Accepts]: Start accepts. Automaton has 58639 states and 234121 transitions. Word has length 33 [2024-11-14 02:42:47,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:47,751 INFO L471 AbstractCegarLoop]: Abstraction has 58639 states and 234121 transitions. [2024-11-14 02:42:47,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 02:42:47,751 INFO L276 IsEmpty]: Start isEmpty. Operand 58639 states and 234121 transitions. [2024-11-14 02:42:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 02:42:47,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:47,752 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 02:42:47,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 02:42:47,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-14 02:42:47,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:47,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1579941329, now seen corresponding path program 1 times [2024-11-14 02:42:47,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:47,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292403889] [2024-11-14 02:42:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:48,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:48,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292403889] [2024-11-14 02:42:48,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292403889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:48,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032690894] [2024-11-14 02:42:48,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:48,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:48,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:48,050 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:48,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 02:42:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:48,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:42:48,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:48,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:48,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032690894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:48,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1523726573] [2024-11-14 02:42:48,302 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:42:48,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:48,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 02:42:48,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304620517] [2024-11-14 02:42:48,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:48,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:42:48,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:48,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:42:48,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:42:48,305 INFO L87 Difference]: Start difference. First operand 58639 states and 234121 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:42:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:49,872 INFO L93 Difference]: Finished difference Result 59118 states and 235225 transitions. [2024-11-14 02:42:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:42:49,872 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-14 02:42:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:50,227 INFO L225 Difference]: With dead ends: 59118 [2024-11-14 02:42:50,227 INFO L226 Difference]: Without dead ends: 58369 [2024-11-14 02:42:50,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 02:42:50,244 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 131 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:50,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 268 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58369 states. [2024-11-14 02:42:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58369 to 58369. [2024-11-14 02:42:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58369 states, 58350 states have (on average 3.9999314481576693) internal successors, (233396), 58368 states have internal predecessors, (233396), 0 states have call successors, (0), 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 02:42:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58369 states to 58369 states and 233396 transitions. [2024-11-14 02:42:52,341 INFO L78 Accepts]: Start accepts. Automaton has 58369 states and 233396 transitions. Word has length 36 [2024-11-14 02:42:52,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:52,342 INFO L471 AbstractCegarLoop]: Abstraction has 58369 states and 233396 transitions. [2024-11-14 02:42:52,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:42:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 58369 states and 233396 transitions. [2024-11-14 02:42:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 02:42:52,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:52,347 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 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 02:42:52,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 02:42:52,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-14 02:42:52,548 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:52,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash 699305126, now seen corresponding path program 1 times [2024-11-14 02:42:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:52,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940720313] [2024-11-14 02:42:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:52,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940720313] [2024-11-14 02:42:52,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940720313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304500411] [2024-11-14 02:42:52,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:52,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:52,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:52,696 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:53,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 02:42:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:53,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:42:53,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:53,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:42:53,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304500411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:53,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1770918219] [2024-11-14 02:42:53,689 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:42:53,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:53,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 02:42:53,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521879104] [2024-11-14 02:42:53,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:53,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 02:42:53,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:53,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 02:42:53,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 02:42:53,691 INFO L87 Difference]: Start difference. First operand 58369 states and 233396 transitions. Second operand has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 0 states have call successors, (0), 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 02:42:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:54,385 INFO L93 Difference]: Finished difference Result 58369 states and 233396 transitions. [2024-11-14 02:42:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 02:42:54,386 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-14 02:42:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:54,558 INFO L225 Difference]: With dead ends: 58369 [2024-11-14 02:42:54,558 INFO L226 Difference]: Without dead ends: 23078 [2024-11-14 02:42:54,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2024-11-14 02:42:54,621 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 546 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:54,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 362 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:54,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23078 states. [2024-11-14 02:42:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23078 to 23078. [2024-11-14 02:42:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23078 states, 23077 states have (on average 4.118906270312432) internal successors, (95052), 23077 states have internal predecessors, (95052), 0 states have call successors, (0), 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 02:42:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23078 states to 23078 states and 95052 transitions. [2024-11-14 02:42:55,917 INFO L78 Accepts]: Start accepts. Automaton has 23078 states and 95052 transitions. Word has length 64 [2024-11-14 02:42:55,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:55,918 INFO L471 AbstractCegarLoop]: Abstraction has 23078 states and 95052 transitions. [2024-11-14 02:42:55,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 0 states have call successors, (0), 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 02:42:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 23078 states and 95052 transitions. [2024-11-14 02:42:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 02:42:55,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:55,969 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:55,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 02:42:56,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29165a73-afda-43ab-b57d-ea75612ebc76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-14 02:42:56,170 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-14 02:42:56,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1656887715, now seen corresponding path program 1 times [2024-11-14 02:42:56,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647739111] [2024-11-14 02:42:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:56,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:56,246 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:56,247 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:56,247 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-11-14 02:42:56,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-14 02:42:56,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-14 02:42:56,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-14 02:42:56,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-14 02:42:56,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-14 02:42:56,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-14 02:42:56,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-14 02:42:56,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-14 02:42:56,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-14 02:42:56,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-14 02:42:56,249 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:56,249 WARN L247 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 02:42:56,249 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-11-14 02:42:56,272 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-14 02:42:56,275 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 107 transitions, 269 flow