./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.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_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/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_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/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_19a86de7-7122-49e2-b380-bff69787d8f5/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 cdf629ba70521b99830442583c87012a34d164ca28f01f7e59d76ae2f1e525ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:40:31,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:40:31,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-13 23:40:31,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:40:31,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:40:31,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:40:31,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:40:31,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:40:31,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:40:31,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:40:31,985 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:40:31,985 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:40:31,985 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:40:31,985 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:40:31,985 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:40:31,985 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:40:31,985 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:40:31,986 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:40:31,986 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:40:31,986 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:40:31,986 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:40:31,986 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:40:31,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:40:31,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:40:31,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:40:31,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:40:31,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:40:31,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:40:31,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:40:31,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:40:31,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:40:31,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:40:31,990 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:40:31,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:40:31,990 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_19a86de7-7122-49e2-b380-bff69787d8f5/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 -> cdf629ba70521b99830442583c87012a34d164ca28f01f7e59d76ae2f1e525ff [2024-11-13 23:40:32,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:40:32,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:40:32,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:40:32,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:40:32,331 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:40:32,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i Unable to find full path for "g++" [2024-11-13 23:40:34,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:40:34,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:40:34,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2024-11-13 23:40:34,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/data/293523a9b/fa24402ba9cc44af82bdc2ba4d824fc5/FLAG4ef69e5a7 [2024-11-13 23:40:34,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/data/293523a9b/fa24402ba9cc44af82bdc2ba4d824fc5 [2024-11-13 23:40:34,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:40:34,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:40:34,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:40:34,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:40:34,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:40:34,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:34" (1/1) ... [2024-11-13 23:40:34,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4509363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:34, skipping insertion in model container [2024-11-13 23:40:34,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:34" (1/1) ... [2024-11-13 23:40:34,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:40:35,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:40:35,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:40:35,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:40:35,540 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:40:35,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35 WrapperNode [2024-11-13 23:40:35,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:40:35,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:40:35,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:40:35,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:40:35,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,601 INFO L138 Inliner]: procedures = 169, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-13 23:40:35,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:40:35,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:40:35,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:40:35,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:40:35,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:40:35,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:40:35,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:40:35,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:40:35,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (1/1) ... [2024-11-13 23:40:35,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:40:35,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:35,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:40:35,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:40:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-13 23:40:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-13 23:40:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 23:40:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 23:40:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:40:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:40:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:40:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:40:35,729 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 23:40:35,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:40:35,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:40:36,180 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 23:40:36,180 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:40:36,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:40:36,204 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:40:36,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:36 BoogieIcfgContainer [2024-11-13 23:40:36,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:40:36,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:40:36,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:40:36,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:40:36,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:40:34" (1/3) ... [2024-11-13 23:40:36,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694a51b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:40:36, skipping insertion in model container [2024-11-13 23:40:36,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:35" (2/3) ... [2024-11-13 23:40:36,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694a51b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:40:36, skipping insertion in model container [2024-11-13 23:40:36,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:36" (3/3) ... [2024-11-13 23:40:36,221 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2024-11-13 23:40:36,241 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:40:36,245 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG nondet-loop-bound-1.i that has 3 procedures, 106 locations, 1 initial locations, 1 loop locations, and 9 error locations. [2024-11-13 23:40:36,245 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 23:40:36,349 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 23:40:36,390 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 111 transitions, 230 flow [2024-11-13 23:40:36,796 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5678 states, 5643 states have (on average 2.922381711855396) internal successors, (16491), 5677 states have internal predecessors, (16491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:36,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:40:36,853 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;@24b085e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:40:36,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-13 23:40:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 5678 states, 5643 states have (on average 2.922381711855396) internal successors, (16491), 5677 states have internal predecessors, (16491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:40:36,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:36,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:36,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:36,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash -222149211, now seen corresponding path program 1 times [2024-11-13 23:40:36,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:36,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633817596] [2024-11-13 23:40:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:37,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:37,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633817596] [2024-11-13 23:40:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633817596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:37,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:37,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:37,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111771798] [2024-11-13 23:40:37,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:37,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:37,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:37,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:37,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:37,275 INFO L87 Difference]: Start difference. First operand has 5678 states, 5643 states have (on average 2.922381711855396) internal successors, (16491), 5677 states have internal predecessors, (16491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:37,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:37,600 INFO L93 Difference]: Finished difference Result 10767 states and 31367 transitions. [2024-11-13 23:40:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:37,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 23:40:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:37,683 INFO L225 Difference]: With dead ends: 10767 [2024-11-13 23:40:37,683 INFO L226 Difference]: Without dead ends: 5130 [2024-11-13 23:40:37,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:37,711 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:37,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 186 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2024-11-13 23:40:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5130. [2024-11-13 23:40:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5130 states, 5087 states have (on average 2.7808138391979558) internal successors, (14146), 5129 states have internal predecessors, (14146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 14146 transitions. [2024-11-13 23:40:38,167 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 14146 transitions. Word has length 19 [2024-11-13 23:40:38,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:38,169 INFO L471 AbstractCegarLoop]: Abstraction has 5130 states and 14146 transitions. [2024-11-13 23:40:38,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 14146 transitions. [2024-11-13 23:40:38,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:40:38,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:38,170 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] [2024-11-13 23:40:38,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:40:38,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:38,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:38,172 INFO L85 PathProgramCache]: Analyzing trace with hash 993103320, now seen corresponding path program 1 times [2024-11-13 23:40:38,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:38,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083227261] [2024-11-13 23:40:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:38,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:38,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:38,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083227261] [2024-11-13 23:40:38,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083227261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:38,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:38,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:38,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38048555] [2024-11-13 23:40:38,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:38,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:38,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:38,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:38,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:38,286 INFO L87 Difference]: Start difference. First operand 5130 states and 14146 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:38,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:38,479 INFO L93 Difference]: Finished difference Result 5130 states and 14146 transitions. [2024-11-13 23:40:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:38,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-13 23:40:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:38,576 INFO L225 Difference]: With dead ends: 5130 [2024-11-13 23:40:38,580 INFO L226 Difference]: Without dead ends: 5129 [2024-11-13 23:40:38,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:38,589 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:38,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 178 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2024-11-13 23:40:38,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 5129. [2024-11-13 23:40:38,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 5087 states have (on average 2.780617259681541) internal successors, (14145), 5128 states have internal predecessors, (14145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 14145 transitions. [2024-11-13 23:40:38,907 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 14145 transitions. Word has length 25 [2024-11-13 23:40:38,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:38,907 INFO L471 AbstractCegarLoop]: Abstraction has 5129 states and 14145 transitions. [2024-11-13 23:40:38,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 14145 transitions. [2024-11-13 23:40:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:40:38,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:38,912 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] [2024-11-13 23:40:38,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:40:38,912 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:38,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:38,913 INFO L85 PathProgramCache]: Analyzing trace with hash 167238308, now seen corresponding path program 1 times [2024-11-13 23:40:38,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:38,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432471112] [2024-11-13 23:40:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:38,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:39,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:39,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432471112] [2024-11-13 23:40:39,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432471112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:39,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:39,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:39,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498915182] [2024-11-13 23:40:39,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:39,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:39,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:39,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:39,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:39,031 INFO L87 Difference]: Start difference. First operand 5129 states and 14145 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:39,169 INFO L93 Difference]: Finished difference Result 5129 states and 14145 transitions. [2024-11-13 23:40:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:39,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2024-11-13 23:40:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:39,212 INFO L225 Difference]: With dead ends: 5129 [2024-11-13 23:40:39,213 INFO L226 Difference]: Without dead ends: 4527 [2024-11-13 23:40:39,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:39,218 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 66 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:39,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 116 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4527 states. [2024-11-13 23:40:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4527 to 4527. [2024-11-13 23:40:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4527 states, 4510 states have (on average 2.761640798226164) internal successors, (12455), 4526 states have internal predecessors, (12455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 4527 states and 12455 transitions. [2024-11-13 23:40:39,465 INFO L78 Accepts]: Start accepts. Automaton has 4527 states and 12455 transitions. Word has length 29 [2024-11-13 23:40:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:39,465 INFO L471 AbstractCegarLoop]: Abstraction has 4527 states and 12455 transitions. [2024-11-13 23:40:39,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4527 states and 12455 transitions. [2024-11-13 23:40:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:40:39,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:39,468 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:39,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:40:39,469 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:39,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:39,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1993391724, now seen corresponding path program 1 times [2024-11-13 23:40:39,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:39,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060241669] [2024-11-13 23:40:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:39,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:39,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:39,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060241669] [2024-11-13 23:40:39,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060241669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:39,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:39,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:39,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129129452] [2024-11-13 23:40:39,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:39,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:39,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:39,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:39,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:39,626 INFO L87 Difference]: Start difference. First operand 4527 states and 12455 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:39,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:39,799 INFO L93 Difference]: Finished difference Result 5718 states and 15573 transitions. [2024-11-13 23:40:39,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:39,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-11-13 23:40:39,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:39,860 INFO L225 Difference]: With dead ends: 5718 [2024-11-13 23:40:39,861 INFO L226 Difference]: Without dead ends: 5060 [2024-11-13 23:40:39,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:39,866 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 46 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:39,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 201 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2024-11-13 23:40:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 4059. [2024-11-13 23:40:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4059 states, 4049 states have (on average 2.7441343541615213) internal successors, (11111), 4058 states have internal predecessors, (11111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 11111 transitions. [2024-11-13 23:40:40,107 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 11111 transitions. Word has length 45 [2024-11-13 23:40:40,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:40,107 INFO L471 AbstractCegarLoop]: Abstraction has 4059 states and 11111 transitions. [2024-11-13 23:40:40,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 11111 transitions. [2024-11-13 23:40:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:40:40,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:40,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:40,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:40:40,114 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:40,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:40,114 INFO L85 PathProgramCache]: Analyzing trace with hash -611469310, now seen corresponding path program 1 times [2024-11-13 23:40:40,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:40,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765025184] [2024-11-13 23:40:40,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:40,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:40,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:40,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765025184] [2024-11-13 23:40:40,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765025184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:40,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:40,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:40,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557802185] [2024-11-13 23:40:40,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:40,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:40,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:40,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:40,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:40,237 INFO L87 Difference]: Start difference. First operand 4059 states and 11111 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:40,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:40,359 INFO L93 Difference]: Finished difference Result 4754 states and 13007 transitions. [2024-11-13 23:40:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:40,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2024-11-13 23:40:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:40,395 INFO L225 Difference]: With dead ends: 4754 [2024-11-13 23:40:40,395 INFO L226 Difference]: Without dead ends: 3710 [2024-11-13 23:40:40,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:40,402 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 34 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:40,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 206 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2024-11-13 23:40:40,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3528. [2024-11-13 23:40:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3520 states have (on average 2.696022727272727) internal successors, (9490), 3527 states have internal predecessors, (9490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 9490 transitions. [2024-11-13 23:40:40,574 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 9490 transitions. Word has length 61 [2024-11-13 23:40:40,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:40,575 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 9490 transitions. [2024-11-13 23:40:40,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 9490 transitions. [2024-11-13 23:40:40,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 23:40:40,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:40,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:40,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:40:40,586 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:40,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:40,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1235859481, now seen corresponding path program 1 times [2024-11-13 23:40:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992546489] [2024-11-13 23:40:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:40,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992546489] [2024-11-13 23:40:40,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992546489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:40,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:40,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:40:40,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548524091] [2024-11-13 23:40:40,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:40,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:40:40,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:40,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:40:40,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:40:40,860 INFO L87 Difference]: Start difference. First operand 3528 states and 9490 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:41,072 INFO L93 Difference]: Finished difference Result 7022 states and 18945 transitions. [2024-11-13 23:40:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:40:41,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-13 23:40:41,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:41,107 INFO L225 Difference]: With dead ends: 7022 [2024-11-13 23:40:41,107 INFO L226 Difference]: Without dead ends: 3528 [2024-11-13 23:40:41,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:40:41,117 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 4 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:41,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 358 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:40:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3528 states. [2024-11-13 23:40:41,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3528 to 3528. [2024-11-13 23:40:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3520 states have (on average 2.6957386363636364) internal successors, (9489), 3527 states have internal predecessors, (9489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 9489 transitions. [2024-11-13 23:40:41,276 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 9489 transitions. Word has length 63 [2024-11-13 23:40:41,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:41,277 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 9489 transitions. [2024-11-13 23:40:41,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 9489 transitions. [2024-11-13 23:40:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:40:41,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:41,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:41,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 23:40:41,280 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 23:40:41,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:41,281 INFO L85 PathProgramCache]: Analyzing trace with hash -368505023, now seen corresponding path program 1 times [2024-11-13 23:40:41,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:41,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9554834] [2024-11-13 23:40:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:41,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:40:41,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:40:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:40:41,393 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:40:41,393 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:40:41,395 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-13 23:40:41,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-13 23:40:41,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-13 23:40:41,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-13 23:40:41,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 15 remaining) [2024-11-13 23:40:41,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-13 23:40:41,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-13 23:40:41,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-13 23:40:41,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 23:40:41,404 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:41,486 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 23:40:41,487 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:40:41,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:40:41 BasicIcfg [2024-11-13 23:40:41,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:40:41,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:40:41,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:40:41,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:40:41,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:36" (3/4) ... [2024-11-13 23:40:41,495 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:40:41,572 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:40:41,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:40:41,573 INFO L158 Benchmark]: Toolchain (without parser) took 6697.59ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 91.8MB in the beginning and 124.5MB in the end (delta: -32.7MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. [2024-11-13 23:40:41,573 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:41,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.1MB in the end (delta: 19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:40:41,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.04ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:40:41,574 INFO L158 Benchmark]: Boogie Preprocessor took 40.05ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.4MB in the end (delta: 992.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:41,576 INFO L158 Benchmark]: RCFGBuilder took 559.59ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 56.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:40:41,577 INFO L158 Benchmark]: TraceAbstraction took 5277.49ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 55.7MB in the beginning and 130.5MB in the end (delta: -74.7MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. [2024-11-13 23:40:41,578 INFO L158 Benchmark]: Witness Printer took 81.04ms. Allocated memory is still 343.9MB. Free memory was 130.5MB in the beginning and 124.5MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:41,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.1MB in the end (delta: 19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.04ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.05ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.4MB in the end (delta: 992.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.59ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 56.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5277.49ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 55.7MB in the beginning and 130.5MB in the end (delta: -74.7MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. * Witness Printer took 81.04ms. Allocated memory is still 343.9MB. Free memory was 130.5MB in the beginning and 124.5MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L690] 0 volatile int x; VAL [x=0] [L691] 0 volatile int n; VAL [n=0, x=0] [L701] 0 pthread_t t1, t2; VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=0, x=0] [L702] 0 int i; VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=0, x=0] [L703] 0 x = 0 VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=0, x=0] [L704] 0 n = __VERIFIER_nondet_uint() VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=20, x=0] [L705] EXPR 0 n >= 20 VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=20, x=0] [L705] EXPR 0 n >= 20 && n < 40 VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=20, x=0] [L705] EXPR 0 n < 40 VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=20, x=0] [L705] EXPR 0 n >= 20 && n < 40 VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=20, x=0] [L705] CALL 0 assume_abort_if_not(n >= 20 && n < 40) [L687] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, n=20, x=0] [L705] RET 0 assume_abort_if_not(n >= 20 && n < 40) [L706] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, n=20, t1=-1, x=0] [L693] 1 x < n VAL [\old(arg)={0:0}, arg={0:0}, n=20, x=0] [L707] 0 i = 0 VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, i=0, n=20, t1=-1, x=0] [L707] 0 i < n VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, i=0, n=20, t1=-1, x=0] [L707] COND TRUE 0 i < n VAL [\old(argc)=52, \old(argv)={53:51}, argc=52, i=0, n=20, t1=-1, x=0] [L708] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [\old(arg)={0:0}, \old(argc)=52, \old(argv)={53:51}, argc=52, i=0, n=20, t1=-1, t2=0, x=0] [L696] 2 int t; VAL [\old(arg)={0:0}, arg={0:0}, n=20, x=0] [L697] 2 t = x VAL [\old(arg)={0:0}, arg={0:0}, n=20, t=0, x=0] [L698] 2 x = t + 1 VAL [\old(arg)={0:0}, arg={0:0}, n=20, t=0, x=1] [L693] 1 x < n VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, n=20, t=0, x=1] Now there is a data race on ~x~0 between C: x = t + 1 [698] and C: x < n [693] - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 142 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 1245 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 620 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 625 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5678occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 1183 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 253 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:40:41,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a86de7-7122-49e2-b380-bff69787d8f5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE