./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU --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 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:05,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:05,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:09:05,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:05,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:05,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:05,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:05,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:05,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:05,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:05,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:05,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:05,577 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:05,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:05,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:05,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:09:05,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:05,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:09:05,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:05,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:05,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:05,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:05,583 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:09:05,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:05,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:05,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:09:05,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:05,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:05,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:05,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:05,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:05,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:05,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:05,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:05,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:05,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:05,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:05,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:05,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:05,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:05,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:05,601 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 [2024-10-31 22:09:05,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:05,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:05,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:05,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:05,991 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:05,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-10-31 22:09:08,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:08,559 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:08,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/sv-benchmarks/c/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2024-10-31 22:09:08,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/data/04559fe3c/4372ab434e044b2192c0603a3aecdfb1/FLAG3bd64909b [2024-10-31 22:09:08,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/data/04559fe3c/4372ab434e044b2192c0603a3aecdfb1 [2024-10-31 22:09:08,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:08,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:08,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:08,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:08,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:08,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:08" (1/1) ... [2024-10-31 22:09:08,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4292109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:08, skipping insertion in model container [2024-10-31 22:09:08,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:08" (1/1) ... [2024-10-31 22:09:08,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:09,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:09,653 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:09,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:09,882 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:09,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09 WrapperNode [2024-10-31 22:09:09,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:09,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:09,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:09,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:09,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:09,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,007 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 489 [2024-10-31 22:09:10,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:10,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:10,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:10,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:10,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:10,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:10,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:10,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:10,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (1/1) ... [2024-10-31 22:09:10,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:10,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:10,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:10,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c35fc-4437-4e8d-8d65-c2a876d83190/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:09:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:09:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:09:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:09:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:09:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:09:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:09:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:09:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:09:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:10,191 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:09:10,427 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:10,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:12,507 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:09:12,507 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:18,687 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:18,688 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:09:18,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:18 BoogieIcfgContainer [2024-10-31 22:09:18,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:18,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:18,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:18,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:18,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:08" (1/3) ... [2024-10-31 22:09:18,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d51121c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:18, skipping insertion in model container [2024-10-31 22:09:18,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:09" (2/3) ... [2024-10-31 22:09:18,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d51121c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:18, skipping insertion in model container [2024-10-31 22:09:18,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:18" (3/3) ... [2024-10-31 22:09:18,704 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc_pso.oepc_rmo.oepc.i [2024-10-31 22:09:18,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:18,729 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 252 error locations. [2024-10-31 22:09:18,729 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:09:19,191 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:09:19,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 378 places, 371 transitions, 754 flow [2024-10-31 22:09:19,518 INFO L124 PetriNetUnfolderBase]: 3/368 cut-off events. [2024-10-31 22:09:19,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:19,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 368 events. 3/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2050 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 329. Up to 2 conditions per place. [2024-10-31 22:09:19,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 378 places, 371 transitions, 754 flow [2024-10-31 22:09:19,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 375 places, 368 transitions, 745 flow [2024-10-31 22:09:19,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:19,583 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;@7ab46275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:19,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 469 error locations. [2024-10-31 22:09:19,603 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:09:19,604 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-10-31 22:09:19,604 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:19,604 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:19,605 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] [2024-10-31 22:09:19,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 465 more)] === [2024-10-31 22:09:19,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:19,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1123032929, now seen corresponding path program 1 times [2024-10-31 22:09:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:19,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848050183] [2024-10-31 22:09:19,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:19,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:19,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848050183] [2024-10-31 22:09:19,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848050183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:19,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:19,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:09:19,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422401664] [2024-10-31 22:09:19,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:19,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:09:19,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:19,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:09:19,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:09:19,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 371 [2024-10-31 22:09:19,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 368 transitions, 745 flow. Second operand has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2024-10-31 22:09:19,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:19,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 371 [2024-10-31 22:09:19,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:25,112 INFO L124 PetriNetUnfolderBase]: 2282/7565 cut-off events. [2024-10-31 22:09:25,113 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-10-31 22:09:25,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10954 conditions, 7565 events. 2282/7565 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 82865 event pairs, 2282 based on Foata normal form. 702/7686 useless extension candidates. Maximal degree in co-relation 10903. Up to 3303 conditions per place. [2024-10-31 22:09:25,185 INFO L140 encePairwiseOnDemand]: 118/371 looper letters, 22 selfloop transitions, 0 changer transitions 0/113 dead transitions. [2024-10-31 22:09:25,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 113 transitions, 279 flow [2024-10-31 22:09:25,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:09:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:09:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 465 transitions. [2024-10-31 22:09:25,202 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6266846361185984 [2024-10-31 22:09:25,205 INFO L175 Difference]: Start difference. First operand has 375 places, 368 transitions, 745 flow. Second operand 2 states and 465 transitions. [2024-10-31 22:09:25,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 113 transitions, 279 flow [2024-10-31 22:09:25,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 113 transitions, 276 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:09:25,213 INFO L231 Difference]: Finished difference. Result has 121 places, 113 transitions, 232 flow [2024-10-31 22:09:25,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=232, PETRI_PLACES=121, PETRI_TRANSITIONS=113} [2024-10-31 22:09:25,219 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -254 predicate places. [2024-10-31 22:09:25,222 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 113 transitions, 232 flow [2024-10-31 22:09:25,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2024-10-31 22:09:25,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:25,222 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] [2024-10-31 22:09:25,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:09:25,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 465 more)] === [2024-10-31 22:09:25,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:25,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1875975732, now seen corresponding path program 1 times [2024-10-31 22:09:25,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:25,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202204339] [2024-10-31 22:09:25,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:25,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:25,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202204339] [2024-10-31 22:09:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202204339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:25,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:25,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:25,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341776458] [2024-10-31 22:09:25,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:25,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:25,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:25,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:25,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:25,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 371 [2024-10-31 22:09:25,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 113 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2024-10-31 22:09:25,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:25,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 371 [2024-10-31 22:09:25,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:31,382 INFO L124 PetriNetUnfolderBase]: 3514/10910 cut-off events. [2024-10-31 22:09:31,383 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:31,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16019 conditions, 10910 events. 3514/10910 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 117220 event pairs, 1050 based on Foata normal form. 0/10155 useless extension candidates. Maximal degree in co-relation 16016. Up to 3444 conditions per place. [2024-10-31 22:09:31,460 INFO L140 encePairwiseOnDemand]: 369/371 looper letters, 39 selfloop transitions, 1 changer transitions 0/128 dead transitions. [2024-10-31 22:09:31,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 128 transitions, 342 flow [2024-10-31 22:09:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-10-31 22:09:31,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28481581311769993 [2024-10-31 22:09:31,464 INFO L175 Difference]: Start difference. First operand has 121 places, 113 transitions, 232 flow. Second operand 3 states and 317 transitions. [2024-10-31 22:09:31,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 128 transitions, 342 flow [2024-10-31 22:09:31,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 128 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:09:31,468 INFO L231 Difference]: Finished difference. Result has 122 places, 112 transitions, 232 flow [2024-10-31 22:09:31,469 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=122, PETRI_TRANSITIONS=112} [2024-10-31 22:09:31,470 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -253 predicate places. [2024-10-31 22:09:31,470 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 112 transitions, 232 flow [2024-10-31 22:09:31,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2024-10-31 22:09:31,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:31,471 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] [2024-10-31 22:09:31,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:09:31,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 465 more)] === [2024-10-31 22:09:31,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:31,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1685231346, now seen corresponding path program 1 times [2024-10-31 22:09:31,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:31,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840946002] [2024-10-31 22:09:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:31,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:31,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:31,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840946002] [2024-10-31 22:09:31,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840946002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:31,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:31,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:31,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28814512] [2024-10-31 22:09:31,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:31,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:31,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:31,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:31,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:31,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 371 [2024-10-31 22:09:31,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 112 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2024-10-31 22:09:31,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:31,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 371 [2024-10-31 22:09:31,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand