./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.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_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:15:33,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:15:33,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:15:33,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:15:33,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:15:33,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:15:33,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:15:33,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:15:33,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:15:33,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:15:33,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:15:33,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:15:33,306 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:15:33,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:15:33,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:15:33,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:15:33,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:15:33,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:15:33,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:15:33,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:15:33,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:15:33,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:15:33,307 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:15:33,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:15:33,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:15:33,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:15:33,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:15:33,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:15:33,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:15:33,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:15:33,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:15:33,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:15:33,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:15:33,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:15:33,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:15:33,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:15:33,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:15:33,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:15:33,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:15:33,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:15:33,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:15:33,310 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 [2024-11-13 13:15:33,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:15:33,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:15:33,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:15:33,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:15:33,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:15:33,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i Unable to find full path for "g++" [2024-11-13 13:15:35,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:15:35,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:15:35,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-13 13:15:35,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/data/2257a4d17/72a11a81442e41309b1c12e9042a02f9/FLAG71bc451fa [2024-11-13 13:15:36,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/data/2257a4d17/72a11a81442e41309b1c12e9042a02f9 [2024-11-13 13:15:36,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:15:36,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:15:36,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:15:36,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:15:36,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:15:36,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2bb198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36, skipping insertion in model container [2024-11-13 13:15:36,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:15:36,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:15:36,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:15:36,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:15:36,588 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:15:36,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36 WrapperNode [2024-11-13 13:15:36,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:15:36,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:15:36,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:15:36,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:15:36,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,637 INFO L138 Inliner]: procedures = 176, calls = 65, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 485 [2024-11-13 13:15:36,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:15:36,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:15:36,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:15:36,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:15:36,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:15:36,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:15:36,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:15:36,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:15:36,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (1/1) ... [2024-11-13 13:15:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:15:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:15:36,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:15:36,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d58cd2-c6af-4613-a1e9-194ff95f2739/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 13:15:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:15:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:15:36,758 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:15:36,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:15:36,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:15:37,715 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:15:37,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:15:37,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:15:37,820 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 13:15:37,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:15:37 BoogieIcfgContainer [2024-11-13 13:15:37,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:15:37,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:15:37,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:15:37,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:15:37,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:15:36" (1/3) ... [2024-11-13 13:15:37,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3879200c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:15:37, skipping insertion in model container [2024-11-13 13:15:37,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:36" (2/3) ... [2024-11-13 13:15:37,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3879200c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:15:37, skipping insertion in model container [2024-11-13 13:15:37,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:15:37" (3/3) ... [2024-11-13 13:15:37,836 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-13 13:15:37,857 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:15:37,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced-pthread.i that has 2 procedures, 448 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2024-11-13 13:15:37,858 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:15:37,984 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:38,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 451 places, 501 transitions, 1006 flow [2024-11-13 13:15:38,323 INFO L124 PetriNetUnfolderBase]: 54/510 cut-off events. [2024-11-13 13:15:38,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:15:38,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 510 events. 54/510 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1567 event pairs, 0 based on Foata normal form. 0/451 useless extension candidates. Maximal degree in co-relation 361. Up to 10 conditions per place. [2024-11-13 13:15:38,386 INFO L82 GeneralOperation]: Start removeDead. Operand has 451 places, 501 transitions, 1006 flow [2024-11-13 13:15:38,396 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 451 places, 501 transitions, 1006 flow [2024-11-13 13:15:38,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:38,427 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:38,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 13:15:38,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:38,476 INFO L124 PetriNetUnfolderBase]: 3/165 cut-off events. [2024-11-13 13:15:38,477 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:15:38,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:38,478 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:38,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-13 13:15:38,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1245272525, now seen corresponding path program 1 times [2024-11-13 13:15:38,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:38,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239924417] [2024-11-13 13:15:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:38,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:38,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:38,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:38,887 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:38,888 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-13 13:15:38,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 13:15:38,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-13 13:15:38,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-13 13:15:38,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 13:15:38,894 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 13:15:38,894 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 13:15:38,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:15:38,898 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:38,903 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:38,903 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 13:15:39,065 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:39,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 754 places, 854 transitions, 1718 flow [2024-11-13 13:15:39,554 INFO L124 PetriNetUnfolderBase]: 107/872 cut-off events. [2024-11-13 13:15:39,554 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:15:39,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 872 events. 107/872 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4282 event pairs, 0 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 713. Up to 10 conditions per place. [2024-11-13 13:15:39,581 INFO L82 GeneralOperation]: Start removeDead. Operand has 754 places, 854 transitions, 1718 flow [2024-11-13 13:15:39,608 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 754 places, 854 transitions, 1718 flow [2024-11-13 13:15:39,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:39,611 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:39,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-13 13:15:39,654 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:39,654 INFO L124 PetriNetUnfolderBase]: 5/196 cut-off events. [2024-11-13 13:15:39,654 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:15:39,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:39,655 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:39,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 13:15:39,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:39,656 INFO L85 PathProgramCache]: Analyzing trace with hash 977868768, now seen corresponding path program 1 times [2024-11-13 13:15:39,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:39,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818541917] [2024-11-13 13:15:39,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:39,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:39,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:39,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:39,919 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:39,919 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-11-13 13:15:39,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-13 13:15:39,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-13 13:15:39,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-13 13:15:39,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-13 13:15:39,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-13 13:15:39,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-13 13:15:39,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-13 13:15:39,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-13 13:15:39,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-13 13:15:39,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:15:39,922 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:39,922 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:39,922 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 13:15:40,138 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:40,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1057 places, 1207 transitions, 2432 flow [2024-11-13 13:15:41,121 INFO L124 PetriNetUnfolderBase]: 160/1234 cut-off events. [2024-11-13 13:15:41,122 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 13:15:41,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 1234 events. 160/1234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7312 event pairs, 0 based on Foata normal form. 0/1061 useless extension candidates. Maximal degree in co-relation 1065. Up to 10 conditions per place. [2024-11-13 13:15:41,243 INFO L82 GeneralOperation]: Start removeDead. Operand has 1057 places, 1207 transitions, 2432 flow [2024-11-13 13:15:41,278 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1057 places, 1207 transitions, 2432 flow [2024-11-13 13:15:41,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:41,280 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:41,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-13 13:15:41,316 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:41,316 INFO L124 PetriNetUnfolderBase]: 7/252 cut-off events. [2024-11-13 13:15:41,316 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 13:15:41,317 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:41,317 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:41,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-11-13 13:15:41,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:41,318 INFO L85 PathProgramCache]: Analyzing trace with hash -638981742, now seen corresponding path program 1 times [2024-11-13 13:15:41,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:41,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329675217] [2024-11-13 13:15:41,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:41,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:41,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:41,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:41,528 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:41,528 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2024-11-13 13:15:41,528 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-13 13:15:41,528 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-13 13:15:41,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-13 13:15:41,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-13 13:15:41,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-13 13:15:41,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-13 13:15:41,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-13 13:15:41,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-13 13:15:41,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-13 13:15:41,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-13 13:15:41,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-13 13:15:41,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-13 13:15:41,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:15:41,530 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:41,532 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:41,532 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-13 13:15:41,709 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:41,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1360 places, 1560 transitions, 3148 flow [2024-11-13 13:15:43,349 INFO L124 PetriNetUnfolderBase]: 213/1596 cut-off events. [2024-11-13 13:15:43,349 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 13:15:43,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 1596 events. 213/1596 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10650 event pairs, 0 based on Foata normal form. 0/1366 useless extension candidates. Maximal degree in co-relation 1417. Up to 10 conditions per place. [2024-11-13 13:15:43,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 1360 places, 1560 transitions, 3148 flow [2024-11-13 13:15:43,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1360 places, 1560 transitions, 3148 flow [2024-11-13 13:15:43,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:43,495 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:43,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-13 13:15:43,571 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:43,571 INFO L124 PetriNetUnfolderBase]: 15/364 cut-off events. [2024-11-13 13:15:43,571 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 13:15:43,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:43,572 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:43,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2024-11-13 13:15:43,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1592960366, now seen corresponding path program 1 times [2024-11-13 13:15:43,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:43,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735368136] [2024-11-13 13:15:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:43,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:43,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:43,782 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:43,782 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2024-11-13 13:15:43,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2024-11-13 13:15:43,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2024-11-13 13:15:43,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2024-11-13 13:15:43,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2024-11-13 13:15:43,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2024-11-13 13:15:43,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2024-11-13 13:15:43,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2024-11-13 13:15:43,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2024-11-13 13:15:43,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:15:43,784 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:43,785 WARN L247 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:43,785 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-11-13 13:15:43,977 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:43,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1663 places, 1913 transitions, 3866 flow [2024-11-13 13:15:46,041 INFO L124 PetriNetUnfolderBase]: 266/1958 cut-off events. [2024-11-13 13:15:46,041 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-13 13:15:46,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 1958 events. 266/1958 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14000 event pairs, 0 based on Foata normal form. 0/1671 useless extension candidates. Maximal degree in co-relation 1769. Up to 12 conditions per place. [2024-11-13 13:15:46,122 INFO L82 GeneralOperation]: Start removeDead. Operand has 1663 places, 1913 transitions, 3866 flow [2024-11-13 13:15:46,171 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1663 places, 1913 transitions, 3866 flow [2024-11-13 13:15:46,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:46,172 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:46,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-13 13:15:46,282 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:46,282 INFO L124 PetriNetUnfolderBase]: 39/576 cut-off events. [2024-11-13 13:15:46,283 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-13 13:15:46,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:46,283 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:46,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-11-13 13:15:46,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1422038223, now seen corresponding path program 1 times [2024-11-13 13:15:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:46,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765345582] [2024-11-13 13:15:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:46,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:46,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:46,544 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:46,544 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2024-11-13 13:15:46,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2024-11-13 13:15:46,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2024-11-13 13:15:46,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2024-11-13 13:15:46,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2024-11-13 13:15:46,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2024-11-13 13:15:46,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2024-11-13 13:15:46,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2024-11-13 13:15:46,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2024-11-13 13:15:46,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2024-11-13 13:15:46,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2024-11-13 13:15:46,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 19 remaining) [2024-11-13 13:15:46,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 19 remaining) [2024-11-13 13:15:46,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2024-11-13 13:15:46,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2024-11-13 13:15:46,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2024-11-13 13:15:46,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2024-11-13 13:15:46,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2024-11-13 13:15:46,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2024-11-13 13:15:46,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:15:46,548 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:46,548 WARN L247 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:46,549 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-11-13 13:15:46,821 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:46,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1966 places, 2266 transitions, 4586 flow [2024-11-13 13:15:49,714 INFO L124 PetriNetUnfolderBase]: 319/2320 cut-off events. [2024-11-13 13:15:49,714 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-13 13:15:49,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 2320 events. 319/2320 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17476 event pairs, 0 based on Foata normal form. 0/1976 useless extension candidates. Maximal degree in co-relation 2121. Up to 14 conditions per place. [2024-11-13 13:15:49,933 INFO L82 GeneralOperation]: Start removeDead. Operand has 1966 places, 2266 transitions, 4586 flow [2024-11-13 13:15:49,994 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1966 places, 2266 transitions, 4586 flow [2024-11-13 13:15:49,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:49,996 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:49,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-13 13:15:50,480 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:50,480 INFO L124 PetriNetUnfolderBase]: 71/821 cut-off events. [2024-11-13 13:15:50,480 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-13 13:15:50,480 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:50,481 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:50,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 18 more)] === [2024-11-13 13:15:50,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:50,482 INFO L85 PathProgramCache]: Analyzing trace with hash 350727872, now seen corresponding path program 1 times [2024-11-13 13:15:50,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:50,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252383229] [2024-11-13 13:15:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:50,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:50,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:50,696 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:50,697 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2024-11-13 13:15:50,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-11-13 13:15:50,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-11-13 13:15:50,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-11-13 13:15:50,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-11-13 13:15:50,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-11-13 13:15:50,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-11-13 13:15:50,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-11-13 13:15:50,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-11-13 13:15:50,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-11-13 13:15:50,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-11-13 13:15:50,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-11-13 13:15:50,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-11-13 13:15:50,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-11-13 13:15:50,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:15:50,702 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:50,703 WARN L247 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:50,703 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-11-13 13:15:51,032 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:51,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2269 places, 2619 transitions, 5308 flow [2024-11-13 13:15:54,837 INFO L124 PetriNetUnfolderBase]: 372/2682 cut-off events. [2024-11-13 13:15:54,837 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-13 13:15:55,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2725 conditions, 2682 events. 372/2682 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 20877 event pairs, 0 based on Foata normal form. 0/2281 useless extension candidates. Maximal degree in co-relation 2473. Up to 16 conditions per place. [2024-11-13 13:15:55,013 INFO L82 GeneralOperation]: Start removeDead. Operand has 2269 places, 2619 transitions, 5308 flow [2024-11-13 13:15:55,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2269 places, 2619 transitions, 5308 flow [2024-11-13 13:15:55,092 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:55,092 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:55,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-13 13:15:55,596 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:15:55,596 INFO L124 PetriNetUnfolderBase]: 113/1128 cut-off events. [2024-11-13 13:15:55,597 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-13 13:15:55,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:55,597 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:55,597 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-11-13 13:15:55,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash -755348848, now seen corresponding path program 1 times [2024-11-13 13:15:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:55,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179308276] [2024-11-13 13:15:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:55,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:15:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:15:55,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:15:55,730 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:15:55,730 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2024-11-13 13:15:55,730 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-13 13:15:55,730 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-13 13:15:55,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-13 13:15:55,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-13 13:15:55,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:15:55,733 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:15:55,734 WARN L247 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:15:55,734 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-11-13 13:15:56,005 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:15:56,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2572 places, 2972 transitions, 6032 flow [2024-11-13 13:16:01,270 INFO L124 PetriNetUnfolderBase]: 425/3044 cut-off events. [2024-11-13 13:16:01,270 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2024-11-13 13:16:01,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3097 conditions, 3044 events. 425/3044 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 24305 event pairs, 0 based on Foata normal form. 0/2586 useless extension candidates. Maximal degree in co-relation 2825. Up to 18 conditions per place. [2024-11-13 13:16:01,612 INFO L82 GeneralOperation]: Start removeDead. Operand has 2572 places, 2972 transitions, 6032 flow [2024-11-13 13:16:01,792 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2572 places, 2972 transitions, 6032 flow [2024-11-13 13:16:01,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:16:01,795 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=PETRI_NET, 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;@728fd34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:16:01,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-13 13:16:02,997 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:16:02,997 INFO L124 PetriNetUnfolderBase]: 147/1383 cut-off events. [2024-11-13 13:16:02,997 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-13 13:16:02,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:16:02,997 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:02,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] === [2024-11-13 13:16:02,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:02,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1292978749, now seen corresponding path program 1 times [2024-11-13 13:16:02,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:02,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171161328] [2024-11-13 13:16:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,249 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 13:16:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:03,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171161328] [2024-11-13 13:16:03,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171161328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:03,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:03,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:16:03,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742030775] [2024-11-13 13:16:03,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:03,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:16:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:03,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:16:03,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:16:03,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2306 out of 2972 [2024-11-13 13:16:03,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2572 places, 2972 transitions, 6032 flow. Second operand has 3 states, 3 states have (on average 2307.3333333333335) internal successors, (6922), 3 states have internal predecessors, (6922), 0 states have call successors, (0), 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 13:16:03,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:16:03,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2306 of 2972 [2024-11-13 13:16:03,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand