./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.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_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/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_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/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_ec685575-9f25-43a1-8b7b-331c84339c9f/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 eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:41:54,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:41:54,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:41:54,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:41:54,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:41:54,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:41:54,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:41:54,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:41:54,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:41:54,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:41:54,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:41:54,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:41:54,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:41:54,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:41:54,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:41:54,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:41:54,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:41:54,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:41:54,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:41:54,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:41:54,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:41:54,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:41:54,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:41:54,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:41:54,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:41:54,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:41:54,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:41:54,740 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_ec685575-9f25-43a1-8b7b-331c84339c9f/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 -> eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 [2024-11-13 15:41:55,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:41:55,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:41:55,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:41:55,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:41:55,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:41:55,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i Unable to find full path for "g++" [2024-11-13 15:41:56,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:41:57,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:41:57,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-11-13 15:41:57,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/data/4b7d6014b/9694ad75ab43464da8f2ba1f6580eeec/FLAGd07d1de63 [2024-11-13 15:41:57,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/data/4b7d6014b/9694ad75ab43464da8f2ba1f6580eeec [2024-11-13 15:41:57,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:41:57,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:41:57,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:41:57,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:41:57,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:41:57,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:41:57" (1/1) ... [2024-11-13 15:41:57,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b85fb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:57, skipping insertion in model container [2024-11-13 15:41:57,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:41:57" (1/1) ... [2024-11-13 15:41:57,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:41:57,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:41:57,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:41:58,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:41:58,134 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:41:58,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58 WrapperNode [2024-11-13 15:41:58,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:41:58,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:41:58,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:41:58,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:41:58,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,209 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 524 [2024-11-13 15:41:58,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:41:58,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:41:58,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:41:58,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:41:58,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:41:58,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:41:58,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:41:58,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:41:58,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (1/1) ... [2024-11-13 15:41:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:41:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:58,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:58,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec685575-9f25-43a1-8b7b-331c84339c9f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:41:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 15:41:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:41:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 15:41:58,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 15:41:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 15:41:58,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 15:41:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-13 15:41:58,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-13 15:41:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-13 15:41:58,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-13 15:41:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:41:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 15:41:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:41:58,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:41:58,359 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 15:41:58,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:41:58,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:42:00,113 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:42:00,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:42:04,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:42:04,535 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:42:04,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:04 BoogieIcfgContainer [2024-11-13 15:42:04,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:42:04,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:42:04,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:42:04,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:42:04,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:41:57" (1/3) ... [2024-11-13 15:42:04,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2086fd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:42:04, skipping insertion in model container [2024-11-13 15:42:04,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:58" (2/3) ... [2024-11-13 15:42:04,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2086fd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:42:04, skipping insertion in model container [2024-11-13 15:42:04,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:04" (3/3) ... [2024-11-13 15:42:04,698 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2024-11-13 15:42:04,714 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:42:04,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mix036_pso.opt_tso.opt.i that has 5 procedures, 334 locations, 1 initial locations, 0 loop locations, and 201 error locations. [2024-11-13 15:42:04,716 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:42:04,977 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:42:05,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 336 transitions, 688 flow [2024-11-13 15:42:05,285 INFO L124 PetriNetUnfolderBase]: 3/332 cut-off events. [2024-11-13 15:42:05,289 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:42:05,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 332 events. 3/332 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1627 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2024-11-13 15:42:05,305 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 336 transitions, 688 flow [2024-11-13 15:42:05,325 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 342 places, 332 transitions, 676 flow [2024-11-13 15:42:05,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:42:05,351 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;@6856fd0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:42:05,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 368 error locations. [2024-11-13 15:42:05,369 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:42:05,370 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2024-11-13 15:42:05,370 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:42:05,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:42:05,372 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 15:42:05,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 364 more)] === [2024-11-13 15:42:05,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:05,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1243479667, now seen corresponding path program 1 times [2024-11-13 15:42:05,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:05,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693185875] [2024-11-13 15:42:05,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:05,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:05,623 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 15:42:05,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:05,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693185875] [2024-11-13 15:42:05,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693185875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:05,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:05,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:42:05,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387460544] [2024-11-13 15:42:05,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:05,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:42:05,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:05,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:42:05,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:42:05,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 336 [2024-11-13 15:42:05,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 332 transitions, 676 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 15:42:05,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:42:05,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 336 [2024-11-13 15:42:05,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:42:13,530 INFO L124 PetriNetUnfolderBase]: 5292/15150 cut-off events. [2024-11-13 15:42:13,531 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-13 15:42:13,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22494 conditions, 15150 events. 5292/15150 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 174705 event pairs, 5292 based on Foata normal form. 1299/15409 useless extension candidates. Maximal degree in co-relation 22439. Up to 7169 conditions per place. [2024-11-13 15:42:13,681 INFO L140 encePairwiseOnDemand]: 134/336 looper letters, 22 selfloop transitions, 0 changer transitions 0/128 dead transitions. [2024-11-13 15:42:13,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 128 transitions, 312 flow [2024-11-13 15:42:13,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:42:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 15:42:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 446 transitions. [2024-11-13 15:42:13,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6636904761904762 [2024-11-13 15:42:13,703 INFO L175 Difference]: Start difference. First operand has 342 places, 332 transitions, 676 flow. Second operand 2 states and 446 transitions. [2024-11-13 15:42:13,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 128 transitions, 312 flow [2024-11-13 15:42:13,711 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 15:42:13,718 INFO L231 Difference]: Finished difference. Result has 138 places, 128 transitions, 264 flow [2024-11-13 15:42:13,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, 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 15:42:13,727 INFO L277 CegarLoopForPetriNet]: 342 programPoint places, -204 predicate places. [2024-11-13 15:42:13,728 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 128 transitions, 264 flow [2024-11-13 15:42:13,728 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 15:42:13,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:42:13,730 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 15:42:13,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:42:13,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 364 more)] === [2024-11-13 15:42:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:13,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1831248271, now seen corresponding path program 1 times [2024-11-13 15:42:13,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:13,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146513615] [2024-11-13 15:42:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:13,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:13,946 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 15:42:13,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:13,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146513615] [2024-11-13 15:42:13,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146513615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:13,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:13,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:42:13,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848932716] [2024-11-13 15:42:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:13,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:42:13,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:13,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:42:13,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:42:13,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 336 [2024-11-13 15:42:13,962 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 15:42:13,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:42:13,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 336 [2024-11-13 15:42:13,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:42:21,805 INFO L124 PetriNetUnfolderBase]: 8076/21765 cut-off events. [2024-11-13 15:42:21,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:42:21,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32786 conditions, 21765 events. 8076/21765 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 246792 event pairs, 2508 based on Foata normal form. 0/20383 useless extension candidates. Maximal degree in co-relation 32783. Up to 7360 conditions per place. [2024-11-13 15:42:21,920 INFO L140 encePairwiseOnDemand]: 334/336 looper letters, 38 selfloop transitions, 1 changer transitions 0/142 dead transitions. [2024-11-13 15:42:21,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 142 transitions, 370 flow [2024-11-13 15:42:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:42:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:42:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-13 15:42:21,923 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3611111111111111 [2024-11-13 15:42:21,923 INFO L175 Difference]: Start difference. First operand has 138 places, 128 transitions, 264 flow. Second operand 3 states and 364 transitions. [2024-11-13 15:42:21,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 142 transitions, 370 flow [2024-11-13 15:42:21,924 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 15:42:21,927 INFO L231 Difference]: Finished difference. Result has 139 places, 127 transitions, 264 flow [2024-11-13 15:42:21,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, 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 15:42:21,928 INFO L277 CegarLoopForPetriNet]: 342 programPoint places, -203 predicate places. [2024-11-13 15:42:21,928 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 127 transitions, 264 flow [2024-11-13 15:42:21,929 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 15:42:21,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:42:21,929 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 15:42:21,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:42:21,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 364 more)] === [2024-11-13 15:42:21,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:21,930 INFO L85 PathProgramCache]: Analyzing trace with hash -789962765, now seen corresponding path program 1 times [2024-11-13 15:42:21,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:21,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782233723] [2024-11-13 15:42:21,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:21,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,230 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 15:42:22,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:22,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782233723] [2024-11-13 15:42:22,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782233723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:22,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:22,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:42:22,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729466573] [2024-11-13 15:42:22,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:22,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:42:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:42:22,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:42:22,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 336 [2024-11-13 15:42:22,243 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 15:42:22,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:42:22,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 336 [2024-11-13 15:42:22,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand