./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/06_ticket.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_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/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_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/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_61f98331-779c-454d-8ed7-49f33850047f/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 d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:23:16,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:23:16,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:23:16,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:23:16,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:23:16,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:23:16,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:23:16,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:23:16,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:23:16,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:23:16,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:23:16,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:23:16,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:23:16,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:23:16,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:23:16,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:23:16,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:23:16,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:23:16,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:23:16,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:23:16,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:23:16,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:23:16,738 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_61f98331-779c-454d-8ed7-49f33850047f/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 -> d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 [2024-11-13 13:23:17,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:23:17,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:23:17,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:23:17,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:23:17,072 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:23:17,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-ext/06_ticket.i Unable to find full path for "g++" [2024-11-13 13:23:19,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:23:19,506 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:23:19,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-13 13:23:19,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/data/a44869abf/ebf8a9e162b148a39e03a1cf0335e415/FLAGcab395873 [2024-11-13 13:23:19,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/data/a44869abf/ebf8a9e162b148a39e03a1cf0335e415 [2024-11-13 13:23:19,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:23:19,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:23:19,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:23:19,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:23:19,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:23:19,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:23:19" (1/1) ... [2024-11-13 13:23:19,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdbcade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:19, skipping insertion in model container [2024-11-13 13:23:19,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:23:19" (1/1) ... [2024-11-13 13:23:19,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:23:19,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:23:19,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:23:20,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:23:20,089 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:23:20,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20 WrapperNode [2024-11-13 13:23:20,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:23:20,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:23:20,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:23:20,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:23:20,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,146 INFO L138 Inliner]: procedures = 171, calls = 14, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 99 [2024-11-13 13:23:20,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:23:20,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:23:20,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:23:20,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:23:20,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:23:20,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:23:20,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:23:20,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:23:20,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (1/1) ... [2024-11-13 13:23:20,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:23:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:23:20,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:23:20,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f98331-779c-454d-8ed7-49f33850047f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:23:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 13:23:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 13:23:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 13:23:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:23:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:23:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 13:23:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:23:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:23:20,268 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 13:23:20,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:23:20,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:23:20,683 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:23:20,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:23:20,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:23:20,787 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:23:20,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:23:20 BoogieIcfgContainer [2024-11-13 13:23:20,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:23:20,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:23:20,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:23:20,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:23:20,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:23:19" (1/3) ... [2024-11-13 13:23:20,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e157a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:23:20, skipping insertion in model container [2024-11-13 13:23:20,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:23:20" (2/3) ... [2024-11-13 13:23:20,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e157a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:23:20, skipping insertion in model container [2024-11-13 13:23:20,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:23:20" (3/3) ... [2024-11-13 13:23:20,804 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2024-11-13 13:23:20,828 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:23:20,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 06_ticket.i that has 2 procedures, 100 locations, 1 initial locations, 2 loop locations, and 13 error locations. [2024-11-13 13:23:20,832 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:23:20,913 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:23:20,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 108 transitions, 220 flow [2024-11-13 13:23:21,067 INFO L124 PetriNetUnfolderBase]: 9/117 cut-off events. [2024-11-13 13:23:21,069 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:23:21,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 117 events. 9/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 130 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 94. Up to 4 conditions per place. [2024-11-13 13:23:21,076 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 108 transitions, 220 flow [2024-11-13 13:23:21,080 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 108 transitions, 220 flow [2024-11-13 13:23:21,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:23:21,107 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;@2dd3628e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:23:21,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-13 13:23:21,120 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:23:21,120 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-13 13:23:21,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:23:21,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:21,121 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] [2024-11-13 13:23:21,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 13:23:21,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1483886571, now seen corresponding path program 1 times [2024-11-13 13:23:21,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:21,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702749954] [2024-11-13 13:23:21,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:21,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:21,366 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 13:23:21,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:21,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702749954] [2024-11-13 13:23:21,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702749954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:21,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:21,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:23:21,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366565126] [2024-11-13 13:23:21,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:21,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:23:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:21,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:23:21,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:23:21,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 108 [2024-11-13 13:23:21,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 108 transitions, 220 flow. Second operand has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 13:23:21,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:21,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 108 [2024-11-13 13:23:21,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:21,501 INFO L124 PetriNetUnfolderBase]: 2/95 cut-off events. [2024-11-13 13:23:21,501 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:23:21,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 7/90 useless extension candidates. Maximal degree in co-relation 78. Up to 3 conditions per place. [2024-11-13 13:23:21,504 INFO L140 encePairwiseOnDemand]: 96/108 looper letters, 2 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2024-11-13 13:23:21,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 91 transitions, 190 flow [2024-11-13 13:23:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:23:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 13:23:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 200 transitions. [2024-11-13 13:23:21,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2024-11-13 13:23:21,527 INFO L175 Difference]: Start difference. First operand has 103 places, 108 transitions, 220 flow. Second operand 2 states and 200 transitions. [2024-11-13 13:23:21,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 91 transitions, 190 flow [2024-11-13 13:23:21,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 91 transitions, 190 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:23:21,547 INFO L231 Difference]: Finished difference. Result has 93 places, 91 transitions, 186 flow [2024-11-13 13:23:21,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=186, PETRI_PLACES=93, PETRI_TRANSITIONS=91} [2024-11-13 13:23:21,554 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -10 predicate places. [2024-11-13 13:23:21,555 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 91 transitions, 186 flow [2024-11-13 13:23:21,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 13:23:21,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:21,556 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] [2024-11-13 13:23:21,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:23:21,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 13:23:21,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:21,559 INFO L85 PathProgramCache]: Analyzing trace with hash 310451061, now seen corresponding path program 1 times [2024-11-13 13:23:21,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:21,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60750085] [2024-11-13 13:23:21,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:21,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:23:21,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:23:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:23:21,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:23:21,646 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:23:21,647 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2024-11-13 13:23:21,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-13 13:23:21,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-13 13:23:21,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-13 13:23:21,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-13 13:23:21,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-13 13:23:21,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-13 13:23:21,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-13 13:23:21,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-13 13:23:21,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-13 13:23:21,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-13 13:23:21,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-13 13:23:21,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-13 13:23:21,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-13 13:23:21,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-13 13:23:21,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-13 13:23:21,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-11-13 13:23:21,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-11-13 13:23:21,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-13 13:23:21,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-13 13:23:21,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-13 13:23:21,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-13 13:23:21,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-13 13:23:21,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-13 13:23:21,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-13 13:23:21,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-13 13:23:21,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-13 13:23:21,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:23:21,660 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:23:21,663 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:23:21,666 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 13:23:21,752 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:23:21,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 192 transitions, 394 flow [2024-11-13 13:23:21,867 INFO L124 PetriNetUnfolderBase]: 17/212 cut-off events. [2024-11-13 13:23:21,867 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:23:21,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 212 events. 17/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 462 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 177. Up to 6 conditions per place. [2024-11-13 13:23:21,873 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 192 transitions, 394 flow [2024-11-13 13:23:21,877 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 192 transitions, 394 flow [2024-11-13 13:23:21,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:23:21,882 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;@2dd3628e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:23:21,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-13 13:23:21,893 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:23:21,894 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-13 13:23:21,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:23:21,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:21,894 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] [2024-11-13 13:23:21,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 13:23:21,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:21,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1854122530, now seen corresponding path program 1 times [2024-11-13 13:23:21,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:21,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486462359] [2024-11-13 13:23:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:21,934 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 13:23:21,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486462359] [2024-11-13 13:23:21,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486462359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:21,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:23:21,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011610194] [2024-11-13 13:23:21,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:21,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:23:21,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:21,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:23:21,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:23:21,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 192 [2024-11-13 13:23:21,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 192 transitions, 394 flow. Second operand has 2 states, 2 states have (on average 165.0) internal successors, (330), 2 states have internal predecessors, (330), 0 states have call successors, (0), 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 13:23:21,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:21,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 192 [2024-11-13 13:23:21,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:22,027 INFO L124 PetriNetUnfolderBase]: 10/307 cut-off events. [2024-11-13 13:23:22,028 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-13 13:23:22,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 307 events. 10/307 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1044 event pairs, 2 based on Foata normal form. 23/282 useless extension candidates. Maximal degree in co-relation 219. Up to 9 conditions per place. [2024-11-13 13:23:22,032 INFO L140 encePairwiseOnDemand]: 170/192 looper letters, 4 selfloop transitions, 0 changer transitions 0/163 dead transitions. [2024-11-13 13:23:22,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 344 flow [2024-11-13 13:23:22,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:23:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 13:23:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 354 transitions. [2024-11-13 13:23:22,035 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.921875 [2024-11-13 13:23:22,036 INFO L175 Difference]: Start difference. First operand has 182 places, 192 transitions, 394 flow. Second operand 2 states and 354 transitions. [2024-11-13 13:23:22,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 344 flow [2024-11-13 13:23:22,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:23:22,082 INFO L231 Difference]: Finished difference. Result has 165 places, 163 transitions, 336 flow [2024-11-13 13:23:22,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=336, PETRI_PLACES=165, PETRI_TRANSITIONS=163} [2024-11-13 13:23:22,084 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, -17 predicate places. [2024-11-13 13:23:22,084 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 336 flow [2024-11-13 13:23:22,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 165.0) internal successors, (330), 2 states have internal predecessors, (330), 0 states have call successors, (0), 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 13:23:22,084 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:22,085 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:23:22,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:23:22,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 13:23:22,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:22,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1887751449, now seen corresponding path program 1 times [2024-11-13 13:23:22,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:22,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502180690] [2024-11-13 13:23:22,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:22,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:23:22,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:23:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:23:22,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:23:22,119 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:23:22,120 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-13 13:23:22,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-13 13:23:22,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-13 13:23:22,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-13 13:23:22,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-13 13:23:22,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-13 13:23:22,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-13 13:23:22,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-13 13:23:22,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-13 13:23:22,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-13 13:23:22,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-13 13:23:22,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-13 13:23:22,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-13 13:23:22,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-13 13:23:22,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-13 13:23:22,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-13 13:23:22,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-13 13:23:22,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-13 13:23:22,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-13 13:23:22,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-13 13:23:22,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-13 13:23:22,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-13 13:23:22,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-13 13:23:22,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-13 13:23:22,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-13 13:23:22,125 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-13 13:23:22,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:23:22,126 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:23:22,127 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:23:22,127 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 13:23:22,201 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:23:22,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 276 transitions, 570 flow [2024-11-13 13:23:22,293 INFO L124 PetriNetUnfolderBase]: 25/307 cut-off events. [2024-11-13 13:23:22,293 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 13:23:22,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 307 events. 25/307 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 943 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 260. Up to 8 conditions per place. [2024-11-13 13:23:22,301 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 276 transitions, 570 flow [2024-11-13 13:23:22,310 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 276 transitions, 570 flow [2024-11-13 13:23:22,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:23:22,312 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;@2dd3628e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:23:22,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-13 13:23:22,316 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:23:22,318 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-13 13:23:22,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:23:22,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:22,318 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] [2024-11-13 13:23:22,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-13 13:23:22,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:22,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1613750661, now seen corresponding path program 1 times [2024-11-13 13:23:22,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:22,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947803326] [2024-11-13 13:23:22,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:22,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:22,379 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 13:23:22,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:22,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947803326] [2024-11-13 13:23:22,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947803326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:22,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:22,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:23:22,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917422677] [2024-11-13 13:23:22,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:22,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:23:22,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:22,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:23:22,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:23:22,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 276 [2024-11-13 13:23:22,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 276 transitions, 570 flow. Second operand has 2 states, 2 states have (on average 236.0) internal successors, (472), 2 states have internal predecessors, (472), 0 states have call successors, (0), 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 13:23:22,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:22,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 276 [2024-11-13 13:23:22,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:22,606 INFO L124 PetriNetUnfolderBase]: 32/789 cut-off events. [2024-11-13 13:23:22,607 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 13:23:22,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 789 events. 32/789 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4762 event pairs, 10 based on Foata normal form. 63/720 useless extension candidates. Maximal degree in co-relation 500. Up to 25 conditions per place. [2024-11-13 13:23:22,623 INFO L140 encePairwiseOnDemand]: 244/276 looper letters, 6 selfloop transitions, 0 changer transitions 0/235 dead transitions. [2024-11-13 13:23:22,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 235 transitions, 500 flow [2024-11-13 13:23:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:23:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 13:23:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 508 transitions. [2024-11-13 13:23:22,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9202898550724637 [2024-11-13 13:23:22,631 INFO L175 Difference]: Start difference. First operand has 261 places, 276 transitions, 570 flow. Second operand 2 states and 508 transitions. [2024-11-13 13:23:22,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 235 transitions, 500 flow [2024-11-13 13:23:22,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 235 transitions, 498 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-13 13:23:22,639 INFO L231 Difference]: Finished difference. Result has 237 places, 235 transitions, 486 flow [2024-11-13 13:23:22,642 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=486, PETRI_PLACES=237, PETRI_TRANSITIONS=235} [2024-11-13 13:23:22,643 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -24 predicate places. [2024-11-13 13:23:22,643 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 235 transitions, 486 flow [2024-11-13 13:23:22,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 236.0) internal successors, (472), 2 states have internal predecessors, (472), 0 states have call successors, (0), 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 13:23:22,644 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:22,644 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] [2024-11-13 13:23:22,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:23:22,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-13 13:23:22,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:22,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1952468832, now seen corresponding path program 1 times [2024-11-13 13:23:22,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:22,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318686796] [2024-11-13 13:23:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:22,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:22,797 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 13:23:22,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:22,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318686796] [2024-11-13 13:23:22,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318686796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:22,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:22,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:23:22,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420835617] [2024-11-13 13:23:22,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:22,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:23:22,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:22,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:23:22,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:23:22,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 276 [2024-11-13 13:23:22,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 235 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 13:23:22,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:22,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 276 [2024-11-13 13:23:22,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:24,397 INFO L124 PetriNetUnfolderBase]: 1088/6967 cut-off events. [2024-11-13 13:23:24,398 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2024-11-13 13:23:24,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 6967 events. 1088/6967 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 69986 event pairs, 439 based on Foata normal form. 0/5874 useless extension candidates. Maximal degree in co-relation 8830. Up to 1297 conditions per place. [2024-11-13 13:23:24,477 INFO L140 encePairwiseOnDemand]: 252/276 looper letters, 29 selfloop transitions, 18 changer transitions 0/255 dead transitions. [2024-11-13 13:23:24,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 255 transitions, 630 flow [2024-11-13 13:23:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:23:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:23:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-11-13 13:23:24,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8393719806763285 [2024-11-13 13:23:24,480 INFO L175 Difference]: Start difference. First operand has 237 places, 235 transitions, 486 flow. Second operand 3 states and 695 transitions. [2024-11-13 13:23:24,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 255 transitions, 630 flow [2024-11-13 13:23:24,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 255 transitions, 630 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:23:24,490 INFO L231 Difference]: Finished difference. Result has 241 places, 253 transitions, 642 flow [2024-11-13 13:23:24,490 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=241, PETRI_TRANSITIONS=253} [2024-11-13 13:23:24,493 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -20 predicate places. [2024-11-13 13:23:24,493 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 253 transitions, 642 flow [2024-11-13 13:23:24,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 13:23:24,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:24,494 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] [2024-11-13 13:23:24,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:23:24,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-13 13:23:24,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1589969727, now seen corresponding path program 1 times [2024-11-13 13:23:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:24,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610067302] [2024-11-13 13:23:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:24,590 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 13:23:24,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:24,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610067302] [2024-11-13 13:23:24,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610067302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:24,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:24,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:23:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499011667] [2024-11-13 13:23:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:24,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:23:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:24,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:23:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:23:24,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 276 [2024-11-13 13:23:24,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 253 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 13:23:24,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:24,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 276 [2024-11-13 13:23:24,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:30,744 INFO L124 PetriNetUnfolderBase]: 7832/37262 cut-off events. [2024-11-13 13:23:30,744 INFO L125 PetriNetUnfolderBase]: For 2896/2948 co-relation queries the response was YES. [2024-11-13 13:23:30,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56128 conditions, 37262 events. 7832/37262 cut-off events. For 2896/2948 co-relation queries the response was YES. Maximal size of possible extension queue 931. Compared 517296 event pairs, 3086 based on Foata normal form. 0/32667 useless extension candidates. Maximal degree in co-relation 56120. Up to 7652 conditions per place. [2024-11-13 13:23:31,095 INFO L140 encePairwiseOnDemand]: 243/276 looper letters, 50 selfloop transitions, 24 changer transitions 0/285 dead transitions. [2024-11-13 13:23:31,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 285 transitions, 882 flow [2024-11-13 13:23:31,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:23:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:23:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 683 transitions. [2024-11-13 13:23:31,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8248792270531401 [2024-11-13 13:23:31,099 INFO L175 Difference]: Start difference. First operand has 241 places, 253 transitions, 642 flow. Second operand 3 states and 683 transitions. [2024-11-13 13:23:31,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 285 transitions, 882 flow [2024-11-13 13:23:31,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 285 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:23:31,536 INFO L231 Difference]: Finished difference. Result has 243 places, 277 transitions, 816 flow [2024-11-13 13:23:31,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=243, PETRI_TRANSITIONS=277} [2024-11-13 13:23:31,539 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -18 predicate places. [2024-11-13 13:23:31,539 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 277 transitions, 816 flow [2024-11-13 13:23:31,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 13:23:31,541 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:31,541 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:23:31,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:23:31,541 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-13 13:23:31,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 515127604, now seen corresponding path program 1 times [2024-11-13 13:23:31,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:31,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819952316] [2024-11-13 13:23:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:31,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:23:31,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:23:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:23:31,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:23:31,607 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:23:31,607 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-13 13:23:31,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-13 13:23:31,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-13 13:23:31,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-13 13:23:31,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-13 13:23:31,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-13 13:23:31,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-13 13:23:31,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-13 13:23:31,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-13 13:23:31,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-13 13:23:31,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-13 13:23:31,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-13 13:23:31,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-13 13:23:31,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-13 13:23:31,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-13 13:23:31,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-13 13:23:31,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-13 13:23:31,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-13 13:23:31,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-13 13:23:31,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-13 13:23:31,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-13 13:23:31,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-13 13:23:31,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:23:31,618 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 13:23:31,618 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:23:31,618 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-13 13:23:31,717 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:23:31,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 340 places, 360 transitions, 748 flow [2024-11-13 13:23:31,824 INFO L124 PetriNetUnfolderBase]: 33/402 cut-off events. [2024-11-13 13:23:31,825 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 13:23:31,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 402 events. 33/402 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1454 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 343. Up to 10 conditions per place. [2024-11-13 13:23:31,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 340 places, 360 transitions, 748 flow [2024-11-13 13:23:31,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 340 places, 360 transitions, 748 flow [2024-11-13 13:23:31,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:23:31,842 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;@2dd3628e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:23:31,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2024-11-13 13:23:31,850 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:23:31,851 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-13 13:23:31,851 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:23:31,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:31,852 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] [2024-11-13 13:23:31,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-13 13:23:31,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:31,852 INFO L85 PathProgramCache]: Analyzing trace with hash -381509344, now seen corresponding path program 1 times [2024-11-13 13:23:31,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:31,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723288284] [2024-11-13 13:23:31,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:31,896 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 13:23:31,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:31,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723288284] [2024-11-13 13:23:31,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723288284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:31,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:31,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:23:31,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692583744] [2024-11-13 13:23:31,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:31,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:23:31,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:31,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:23:31,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:23:31,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 360 [2024-11-13 13:23:31,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 360 transitions, 748 flow. Second operand has 2 states, 2 states have (on average 307.0) internal successors, (614), 2 states have internal predecessors, (614), 0 states have call successors, (0), 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 13:23:31,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:31,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 360 [2024-11-13 13:23:31,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:32,340 INFO L124 PetriNetUnfolderBase]: 86/1815 cut-off events. [2024-11-13 13:23:32,340 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2024-11-13 13:23:32,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1949 conditions, 1815 events. 86/1815 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 14931 event pairs, 34 based on Foata normal form. 159/1662 useless extension candidates. Maximal degree in co-relation 1065. Up to 65 conditions per place. [2024-11-13 13:23:32,372 INFO L140 encePairwiseOnDemand]: 318/360 looper letters, 8 selfloop transitions, 0 changer transitions 0/307 dead transitions. [2024-11-13 13:23:32,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 307 transitions, 658 flow [2024-11-13 13:23:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:23:32,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 13:23:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 662 transitions. [2024-11-13 13:23:32,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9194444444444444 [2024-11-13 13:23:32,376 INFO L175 Difference]: Start difference. First operand has 340 places, 360 transitions, 748 flow. Second operand 2 states and 662 transitions. [2024-11-13 13:23:32,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 307 transitions, 658 flow [2024-11-13 13:23:32,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 307 transitions, 652 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-13 13:23:32,386 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 636 flow [2024-11-13 13:23:32,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=636, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2024-11-13 13:23:32,387 INFO L277 CegarLoopForPetriNet]: 340 programPoint places, -31 predicate places. [2024-11-13 13:23:32,387 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 636 flow [2024-11-13 13:23:32,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 307.0) internal successors, (614), 2 states have internal predecessors, (614), 0 states have call successors, (0), 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 13:23:32,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:32,388 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] [2024-11-13 13:23:32,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:23:32,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-13 13:23:32,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1219611744, now seen corresponding path program 1 times [2024-11-13 13:23:32,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:32,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970975518] [2024-11-13 13:23:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:32,444 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 13:23:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:32,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970975518] [2024-11-13 13:23:32,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970975518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:32,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:32,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:23:32,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141385467] [2024-11-13 13:23:32,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:32,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:23:32,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:32,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:23:32,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:23:32,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 360 [2024-11-13 13:23:32,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 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 13:23:32,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:32,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 360 [2024-11-13 13:23:32,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:42,678 INFO L124 PetriNetUnfolderBase]: 15440/66543 cut-off events. [2024-11-13 13:23:42,678 INFO L125 PetriNetUnfolderBase]: For 2056/2056 co-relation queries the response was YES. [2024-11-13 13:23:43,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89663 conditions, 66543 events. 15440/66543 cut-off events. For 2056/2056 co-relation queries the response was YES. Maximal size of possible extension queue 1175. Compared 936468 event pairs, 6393 based on Foata normal form. 0/55952 useless extension candidates. Maximal degree in co-relation 89656. Up to 16154 conditions per place. [2024-11-13 13:23:43,541 INFO L140 encePairwiseOnDemand]: 328/360 looper letters, 39 selfloop transitions, 24 changer transitions 0/334 dead transitions. [2024-11-13 13:23:43,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 334 transitions, 831 flow [2024-11-13 13:23:43,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:23:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:23:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-13 13:23:43,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8379629629629629 [2024-11-13 13:23:43,545 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 636 flow. Second operand 3 states and 905 transitions. [2024-11-13 13:23:43,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 334 transitions, 831 flow [2024-11-13 13:23:43,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 334 transitions, 831 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:23:43,555 INFO L231 Difference]: Finished difference. Result has 313 places, 331 transitions, 844 flow [2024-11-13 13:23:43,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=313, PETRI_TRANSITIONS=331} [2024-11-13 13:23:43,557 INFO L277 CegarLoopForPetriNet]: 340 programPoint places, -27 predicate places. [2024-11-13 13:23:43,557 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 331 transitions, 844 flow [2024-11-13 13:23:43,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 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 13:23:43,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:23:43,558 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] [2024-11-13 13:23:43,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:23:43,559 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-13 13:23:43,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:43,559 INFO L85 PathProgramCache]: Analyzing trace with hash 977935615, now seen corresponding path program 1 times [2024-11-13 13:23:43,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:23:43,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817348389] [2024-11-13 13:23:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:43,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:23:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:43,656 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 13:23:43,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:23:43,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817348389] [2024-11-13 13:23:43,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817348389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:43,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:43,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:23:43,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599463672] [2024-11-13 13:23:43,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:43,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:23:43,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:23:43,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:23:43,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:23:43,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 360 [2024-11-13 13:23:43,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 331 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 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 13:23:43,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:23:43,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 360 [2024-11-13 13:23:43,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:23:48,724 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1143] L693-->L703: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (not .cse0) (= .cse1 v_~next_ticket~0_63) (= v_~next_ticket~0_64 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and .cse0 (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63))))) (= |v_#race~now_serving~0_29| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][151], [278#L713-2true, 352#(= |#race~c~0| 0), 339#true, 239#L713-1true, 343#true, 341#true, 211#L728true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 98#L703true, Black: 345#true]) [2024-11-13 13:23:48,724 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2024-11-13 13:23:48,725 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:48,725 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:48,725 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,024 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1226] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= v_~next_ticket~0_64 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)) (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0 (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_64} OutVars{~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_29|, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~next_ticket~0=|v_#race~next_ticket~0_99|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][193], [352#(= |#race~c~0| 0), 109#L703true, 339#true, 239#L713-1true, 343#true, 341#true, 211#L728true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 129#L713-2true, Black: 345#true]) [2024-11-13 13:23:49,025 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,025 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:49,025 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,025 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,355 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1309] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0 (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)) (and (= v_~next_ticket~0_64 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, ~next_ticket~0=v_~next_ticket~0_63, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, #race~now_serving~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][108], [278#L713-2true, 235#L703true, 84#L728true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 318#L713-1true, Black: 345#true]) [2024-11-13 13:23:49,355 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,355 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,355 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-13 13:23:49,355 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:49,563 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1226] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= v_~next_ticket~0_64 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)) (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0 (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_64} OutVars{~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_29|, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~next_ticket~0=|v_#race~next_ticket~0_99|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][193], [352#(= |#race~c~0| 0), 109#L703true, 339#true, 239#L713-1true, 343#true, 341#true, 253#L728-1true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 129#L713-2true, Black: 345#true]) [2024-11-13 13:23:49,563 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2024-11-13 13:23:49,563 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-13 13:23:49,563 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:49,563 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-13 13:23:49,622 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1143] L693-->L703: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (not .cse0) (= .cse1 v_~next_ticket~0_63) (= v_~next_ticket~0_64 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and .cse0 (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63))))) (= |v_#race~now_serving~0_29| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][151], [278#L713-2true, 352#(= |#race~c~0| 0), 339#true, 239#L713-1true, 343#true, 341#true, 253#L728-1true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 98#L703true, Black: 345#true]) [2024-11-13 13:23:49,622 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2024-11-13 13:23:49,622 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:49,622 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-13 13:23:49,622 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-13 13:23:50,237 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1309] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0 (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)) (and (= v_~next_ticket~0_64 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, ~next_ticket~0=v_~next_ticket~0_63, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, #race~now_serving~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][108], [278#L713-2true, 154#L728-1true, 235#L703true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 318#L713-1true, Black: 345#true]) [2024-11-13 13:23:50,237 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2024-11-13 13:23:50,237 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-13 13:23:50,237 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-13 13:23:50,237 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:50,603 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [235#L703true, 132#L726-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 67#L727-2true, 335#true, 129#L713-2true, Black: 345#true]) [2024-11-13 13:23:50,603 INFO L294 olderBase$Statistics]: this new event has 105 ancestors and is cut-off event [2024-11-13 13:23:50,603 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:50,603 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2024-11-13 13:23:50,603 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2024-11-13 13:23:50,916 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1161] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [41#L713-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 305#L726-1true, 211#L728true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 96#L703true, 335#true, Black: 345#true]) [2024-11-13 13:23:50,916 INFO L294 olderBase$Statistics]: this new event has 106 ancestors and is cut-off event [2024-11-13 13:23:50,916 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:50,916 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-13 13:23:50,916 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2024-11-13 13:23:51,565 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1161] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [41#L713-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 305#L726-1true, 253#L728-1true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 96#L703true, 335#true, Black: 345#true]) [2024-11-13 13:23:51,565 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2024-11-13 13:23:51,565 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:51,566 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-13 13:23:51,566 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:51,659 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [132#L726-1true, 235#L703true, 84#L728true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 129#L713-2true, Black: 345#true]) [2024-11-13 13:23:51,659 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2024-11-13 13:23:51,659 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:51,659 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2024-11-13 13:23:51,659 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2024-11-13 13:23:52,039 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [132#L726-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 253#L728-1true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 96#L703true, 335#true, 129#L713-2true, Black: 345#true]) [2024-11-13 13:23:52,039 INFO L294 olderBase$Statistics]: this new event has 108 ancestors and is cut-off event [2024-11-13 13:23:52,039 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:52,039 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:52,039 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:52,155 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [235#L703true, 132#L726-1true, 154#L728-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, 129#L713-2true, Black: 345#true]) [2024-11-13 13:23:52,156 INFO L294 olderBase$Statistics]: this new event has 108 ancestors and is cut-off event [2024-11-13 13:23:52,156 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-13 13:23:52,156 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:23:52,156 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2024-11-13 13:24:01,530 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1161] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [41#L713-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 305#L726-1true, 211#L728true, 337#true, 277#L726-1true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, Black: 345#true]) [2024-11-13 13:24:01,530 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2024-11-13 13:24:01,531 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2024-11-13 13:24:01,531 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2024-11-13 13:24:01,531 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2024-11-13 13:24:02,814 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1161] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [41#L713-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 305#L726-1true, 211#L728true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 28#L726-2true, 335#true, Black: 345#true]) [2024-11-13 13:24:02,815 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2024-11-13 13:24:02,815 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2024-11-13 13:24:02,815 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2024-11-13 13:24:02,815 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2024-11-13 13:24:02,828 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1161] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [41#L713-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 305#L726-1true, 253#L728-1true, 337#true, 277#L726-1true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 335#true, Black: 345#true]) [2024-11-13 13:24:02,828 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2024-11-13 13:24:02,828 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2024-11-13 13:24:02,828 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2024-11-13 13:24:02,829 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2024-11-13 13:24:04,199 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1161] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [41#L713-1true, 352#(= |#race~c~0| 0), 339#true, 343#true, 341#true, 305#L726-1true, 253#L728-1true, 337#true, 317#L734-6true, 347#(= |#race~now_serving~0| 0), 28#L726-2true, 335#true, Black: 345#true]) [2024-11-13 13:24:04,199 INFO L294 olderBase$Statistics]: this new event has 120 ancestors and is cut-off event [2024-11-13 13:24:04,199 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2024-11-13 13:24:04,199 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2024-11-13 13:24:04,199 INFO L297 olderBase$Statistics]: existing Event has 122 ancestors and is cut-off event