./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004.opt.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_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/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_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/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_986c881f-b2cd-42a7-a6fe-e050205cbc7a/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 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:36:15,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:36:15,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:36:15,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:36:15,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:36:15,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:36:15,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:36:15,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:36:15,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:36:15,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:36:15,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:36:15,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:36:15,931 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:36:15,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:36:15,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:36:15,933 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:36:15,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:36:15,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:36:15,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:36:15,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:36:15,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:36:15,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:36:15,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:36:15,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:36:15,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:36:15,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:36:15,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:36:15,937 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_986c881f-b2cd-42a7-a6fe-e050205cbc7a/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 -> 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d [2024-11-13 13:36:16,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:36:16,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:36:16,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:36:16,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:36:16,284 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:36:16,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-wmm/mix004.opt.i Unable to find full path for "g++" [2024-11-13 13:36:18,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:36:18,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:36:18,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/sv-benchmarks/c/pthread-wmm/mix004.opt.i [2024-11-13 13:36:18,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/data/670219c15/c636409f2c4a4e17b5d61899cc9a2d29/FLAGe792d5f7e [2024-11-13 13:36:18,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/data/670219c15/c636409f2c4a4e17b5d61899cc9a2d29 [2024-11-13 13:36:18,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:36:18,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:36:18,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:36:18,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:36:18,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:36:18,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:36:18" (1/1) ... [2024-11-13 13:36:18,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f45b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:18, skipping insertion in model container [2024-11-13 13:36:18,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:36:18" (1/1) ... [2024-11-13 13:36:18,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:36:19,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:36:19,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:36:19,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:36:19,689 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:36:19,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19 WrapperNode [2024-11-13 13:36:19,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:36:19,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:36:19,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:36:19,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:36:19,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,788 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 972 [2024-11-13 13:36:19,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:36:19,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:36:19,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:36:19,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:36:19,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:36:19,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:36:19,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:36:19,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:36:19,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (1/1) ... [2024-11-13 13:36:19,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:36:19,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:19,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:36:19,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c881f-b2cd-42a7-a6fe-e050205cbc7a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:36:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 13:36:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 13:36:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-13 13:36:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-13 13:36:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 13:36:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:36:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:36:19,956 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 13:36:20,259 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:36:20,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:36:22,654 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:36:22,654 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:36:30,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:36:30,672 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:36:30,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:30 BoogieIcfgContainer [2024-11-13 13:36:30,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:36:30,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:36:30,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:36:30,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:36:30,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:36:18" (1/3) ... [2024-11-13 13:36:30,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15dbca29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:30, skipping insertion in model container [2024-11-13 13:36:30,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:19" (2/3) ... [2024-11-13 13:36:30,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15dbca29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:30, skipping insertion in model container [2024-11-13 13:36:30,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:30" (3/3) ... [2024-11-13 13:36:30,684 INFO L112 eAbstractionObserver]: Analyzing ICFG mix004.opt.i [2024-11-13 13:36:30,710 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:36:30,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mix004.opt.i that has 5 procedures, 430 locations, 1 initial locations, 0 loop locations, and 297 error locations. [2024-11-13 13:36:30,716 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:36:31,313 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:36:31,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 432 transitions, 880 flow [2024-11-13 13:36:31,695 INFO L124 PetriNetUnfolderBase]: 3/428 cut-off events. [2024-11-13 13:36:31,699 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:36:31,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 428 events. 3/428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2584 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 388. Up to 2 conditions per place. [2024-11-13 13:36:31,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 442 places, 432 transitions, 880 flow [2024-11-13 13:36:31,755 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 438 places, 428 transitions, 868 flow [2024-11-13 13:36:31,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:36:31,789 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;@5615bddf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:36:31,789 INFO L334 AbstractCegarLoop]: Starting to check reachability of 559 error locations. [2024-11-13 13:36:31,803 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:36:31,803 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2024-11-13 13:36:31,804 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:36:31,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:36:31,804 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:31,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 555 more)] === [2024-11-13 13:36:31,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:31,812 INFO L85 PathProgramCache]: Analyzing trace with hash 238125637, now seen corresponding path program 1 times [2024-11-13 13:36:31,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:31,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417823228] [2024-11-13 13:36:31,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:31,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:32,096 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 13:36:32,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417823228] [2024-11-13 13:36:32,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417823228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:32,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:32,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:36:32,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769766071] [2024-11-13 13:36:32,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:32,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:36:32,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:32,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:36:32,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:36:32,148 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 432 [2024-11-13 13:36:32,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 428 transitions, 868 flow. Second operand has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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 13:36:32,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:36:32,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 432 [2024-11-13 13:36:32,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:36:42,618 INFO L124 PetriNetUnfolderBase]: 5748/16358 cut-off events. [2024-11-13 13:36:42,619 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-13 13:36:42,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24334 conditions, 16358 events. 5748/16358 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 191059 event pairs, 5748 based on Foata normal form. 1391/16634 useless extension candidates. Maximal degree in co-relation 24279. Up to 7769 conditions per place. [2024-11-13 13:36:42,818 INFO L140 encePairwiseOnDemand]: 134/432 looper letters, 22 selfloop transitions, 0 changer transitions 0/128 dead transitions. [2024-11-13 13:36:42,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 128 transitions, 312 flow [2024-11-13 13:36:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:36:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 13:36:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 542 transitions. [2024-11-13 13:36:42,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6273148148148148 [2024-11-13 13:36:42,866 INFO L175 Difference]: Start difference. First operand has 438 places, 428 transitions, 868 flow. Second operand 2 states and 542 transitions. [2024-11-13 13:36:42,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 128 transitions, 312 flow [2024-11-13 13:36:42,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 128 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:36:42,885 INFO L231 Difference]: Finished difference. Result has 138 places, 128 transitions, 264 flow [2024-11-13 13:36:42,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=432, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=264, PETRI_PLACES=138, PETRI_TRANSITIONS=128} [2024-11-13 13:36:42,901 INFO L277 CegarLoopForPetriNet]: 438 programPoint places, -300 predicate places. [2024-11-13 13:36:42,903 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 128 transitions, 264 flow [2024-11-13 13:36:42,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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 13:36:42,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:36:42,905 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:42,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:36:42,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 555 more)] === [2024-11-13 13:36:42,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:42,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1156991534, now seen corresponding path program 1 times [2024-11-13 13:36:42,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:42,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461412612] [2024-11-13 13:36:42,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:43,195 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 13:36:43,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:43,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461412612] [2024-11-13 13:36:43,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461412612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:43,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:43,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:43,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840574740] [2024-11-13 13:36:43,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:43,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:43,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:43,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:43,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:43,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 432 [2024-11-13 13:36:43,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 128 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 13:36:43,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:36:43,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 432 [2024-11-13 13:36:43,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:36:54,850 INFO L124 PetriNetUnfolderBase]: 8756/23453 cut-off events. [2024-11-13 13:36:54,851 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:36:54,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35394 conditions, 23453 events. 8756/23453 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 681. Compared 268057 event pairs, 2740 based on Foata normal form. 0/21971 useless extension candidates. Maximal degree in co-relation 35391. Up to 7936 conditions per place. [2024-11-13 13:36:55,015 INFO L140 encePairwiseOnDemand]: 430/432 looper letters, 38 selfloop transitions, 1 changer transitions 0/142 dead transitions. [2024-11-13 13:36:55,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 142 transitions, 370 flow [2024-11-13 13:36:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:36:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-13 13:36:55,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2808641975308642 [2024-11-13 13:36:55,019 INFO L175 Difference]: Start difference. First operand has 138 places, 128 transitions, 264 flow. Second operand 3 states and 364 transitions. [2024-11-13 13:36:55,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 142 transitions, 370 flow [2024-11-13 13:36:55,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 142 transitions, 370 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:36:55,031 INFO L231 Difference]: Finished difference. Result has 139 places, 127 transitions, 264 flow [2024-11-13 13:36:55,031 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=432, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=139, PETRI_TRANSITIONS=127} [2024-11-13 13:36:55,032 INFO L277 CegarLoopForPetriNet]: 438 programPoint places, -299 predicate places. [2024-11-13 13:36:55,032 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 127 transitions, 264 flow [2024-11-13 13:36:55,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 13:36:55,033 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:36:55,033 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:55,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:36:55,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 555 more)] === [2024-11-13 13:36:55,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:55,034 INFO L85 PathProgramCache]: Analyzing trace with hash 419559776, now seen corresponding path program 1 times [2024-11-13 13:36:55,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:55,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074990638] [2024-11-13 13:36:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:55,375 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 13:36:55,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:55,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074990638] [2024-11-13 13:36:55,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074990638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:55,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:55,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:55,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035258085] [2024-11-13 13:36:55,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:55,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:55,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:55,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:55,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:55,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 432 [2024-11-13 13:36:55,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 127 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 13:36:55,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:36:55,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 432 [2024-11-13 13:36:55,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand