./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/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_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/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_9090ce92-9339-4538-8446-953e520fe256/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 51eb1f25b31a14b06f8a94357507f98faff1b5d262be3400ea1666eb362dde3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:01,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:01,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 21:59:01,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:01,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:01,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:01,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:01,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:01,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:01,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:01,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:01,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:01,372 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:01,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:01,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:01,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:01,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:01,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:01,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:01,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:01,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:01,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:01,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 21:59:01,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:01,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:01,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:01,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:01,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:01,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:01,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:01,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:01,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:01,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:01,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:01,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:01,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:01,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:01,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:01,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:01,383 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:01,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:01,384 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_9090ce92-9339-4538-8446-953e520fe256/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51eb1f25b31a14b06f8a94357507f98faff1b5d262be3400ea1666eb362dde3f [2024-10-31 21:59:01,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:01,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:01,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:01,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:01,707 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:01,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i Unable to find full path for "g++" [2024-10-31 21:59:03,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:04,354 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:04,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/sv-benchmarks/c/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i [2024-10-31 21:59:04,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/data/f73a51ac6/e3231bf3c37c4d9a9e5169425aaa4fea/FLAG4edb902fd [2024-10-31 21:59:04,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/data/f73a51ac6/e3231bf3c37c4d9a9e5169425aaa4fea [2024-10-31 21:59:04,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:04,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:04,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:04,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:04,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:04,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:04" (1/1) ... [2024-10-31 21:59:04,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665f2244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:04, skipping insertion in model container [2024-10-31 21:59:04,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:04" (1/1) ... [2024-10-31 21:59:04,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:05,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:05,219 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:05,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:05,398 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:05,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05 WrapperNode [2024-10-31 21:59:05,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:05,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:05,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:05,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:05,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,502 INFO L138 Inliner]: procedures = 175, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 307 [2024-10-31 21:59:05,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:05,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:05,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:05,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:05,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:05,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:05,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:05,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:05,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (1/1) ... [2024-10-31 21:59:05,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:05,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:05,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:05,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9090ce92-9339-4538-8446-953e520fe256/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 21:59:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 21:59:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:59:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 21:59:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 21:59:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 21:59:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 21:59:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 21:59:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 21:59:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:59:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:59:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:05,708 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 21:59:06,008 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:06,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:08,043 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:59:08,043 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:18,917 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:18,918 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:59:18,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:18 BoogieIcfgContainer [2024-10-31 21:59:18,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:18,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:18,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:18,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:18,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:04" (1/3) ... [2024-10-31 21:59:18,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410a2459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:18, skipping insertion in model container [2024-10-31 21:59:18,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:05" (2/3) ... [2024-10-31 21:59:18,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410a2459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:18, skipping insertion in model container [2024-10-31 21:59:18,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:18" (3/3) ... [2024-10-31 21:59:18,929 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_power.oepc-thin001_power.oepc.i [2024-10-31 21:59:18,966 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:18,969 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 232 error locations. [2024-10-31 21:59:18,973 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:59:19,782 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:59:19,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 370 places, 363 transitions, 738 flow [2024-10-31 21:59:20,191 INFO L124 PetriNetUnfolderBase]: 3/360 cut-off events. [2024-10-31 21:59:20,192 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:20,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 360 events. 3/360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 2152 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 305. Up to 2 conditions per place. [2024-10-31 21:59:20,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 370 places, 363 transitions, 738 flow [2024-10-31 21:59:20,220 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 367 places, 360 transitions, 729 flow [2024-10-31 21:59:20,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:20,243 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;@10e33ff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:20,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 423 error locations. [2024-10-31 21:59:20,274 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:59:20,274 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2024-10-31 21:59:20,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:20,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:20,276 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] [2024-10-31 21:59:20,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 419 more)] === [2024-10-31 21:59:20,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:20,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1241805402, now seen corresponding path program 1 times [2024-10-31 21:59:20,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:20,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100859563] [2024-10-31 21:59:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:20,716 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 21:59:20,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100859563] [2024-10-31 21:59:20,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100859563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:20,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:20,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 21:59:20,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937148727] [2024-10-31 21:59:20,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:20,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:59:20,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:20,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:59:20,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:20,763 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 363 [2024-10-31 21:59:20,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 360 transitions, 729 flow. Second operand has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 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 21:59:20,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:20,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 363 [2024-10-31 21:59:20,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:25,050 INFO L124 PetriNetUnfolderBase]: 684/2566 cut-off events. [2024-10-31 21:59:25,051 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-31 21:59:25,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3637 conditions, 2566 events. 684/2566 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 23074 event pairs, 684 based on Foata normal form. 215/2558 useless extension candidates. Maximal degree in co-relation 3570. Up to 1025 conditions per place. [2024-10-31 21:59:25,078 INFO L140 encePairwiseOnDemand]: 130/363 looper letters, 16 selfloop transitions, 0 changer transitions 0/125 dead transitions. [2024-10-31 21:59:25,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 125 transitions, 291 flow [2024-10-31 21:59:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:59:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 21:59:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 475 transitions. [2024-10-31 21:59:25,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6542699724517906 [2024-10-31 21:59:25,102 INFO L175 Difference]: Start difference. First operand has 367 places, 360 transitions, 729 flow. Second operand 2 states and 475 transitions. [2024-10-31 21:59:25,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 125 transitions, 291 flow [2024-10-31 21:59:25,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 125 transitions, 288 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 21:59:25,112 INFO L231 Difference]: Finished difference. Result has 133 places, 125 transitions, 256 flow [2024-10-31 21:59:25,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=133, PETRI_TRANSITIONS=125} [2024-10-31 21:59:25,120 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -234 predicate places. [2024-10-31 21:59:25,122 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 125 transitions, 256 flow [2024-10-31 21:59:25,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 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 21:59:25,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:25,123 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] [2024-10-31 21:59:25,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:25,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 419 more)] === [2024-10-31 21:59:25,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:25,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1207547942, now seen corresponding path program 1 times [2024-10-31 21:59:25,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:25,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654112598] [2024-10-31 21:59:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:25,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:25,344 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 21:59:25,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:25,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654112598] [2024-10-31 21:59:25,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654112598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:25,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:25,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:25,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467589492] [2024-10-31 21:59:25,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:25,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:25,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:25,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:25,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:25,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 363 [2024-10-31 21:59:25,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 125 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 21:59:25,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:25,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 363 [2024-10-31 21:59:25,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:31,074 INFO L124 PetriNetUnfolderBase]: 1052/3597 cut-off events. [2024-10-31 21:59:31,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:31,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5194 conditions, 3597 events. 1052/3597 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 32222 event pairs, 316 based on Foata normal form. 0/3342 useless extension candidates. Maximal degree in co-relation 5191. Up to 1056 conditions per place. [2024-10-31 21:59:31,101 INFO L140 encePairwiseOnDemand]: 361/363 looper letters, 27 selfloop transitions, 1 changer transitions 0/134 dead transitions. [2024-10-31 21:59:31,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 134 transitions, 330 flow [2024-10-31 21:59:31,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:59:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2024-10-31 21:59:31,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32966023875114786 [2024-10-31 21:59:31,105 INFO L175 Difference]: Start difference. First operand has 133 places, 125 transitions, 256 flow. Second operand 3 states and 359 transitions. [2024-10-31 21:59:31,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 134 transitions, 330 flow [2024-10-31 21:59:31,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 134 transitions, 330 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:59:31,109 INFO L231 Difference]: Finished difference. Result has 134 places, 124 transitions, 256 flow [2024-10-31 21:59:31,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=134, PETRI_TRANSITIONS=124} [2024-10-31 21:59:31,110 INFO L277 CegarLoopForPetriNet]: 367 programPoint places, -233 predicate places. [2024-10-31 21:59:31,111 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 124 transitions, 256 flow [2024-10-31 21:59:31,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 21:59:31,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:31,112 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:31,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:59:31,112 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 419 more)] === [2024-10-31 21:59:31,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:31,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1475018058, now seen corresponding path program 1 times [2024-10-31 21:59:31,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:31,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117155185] [2024-10-31 21:59:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:31,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:31,314 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 21:59:31,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:31,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117155185] [2024-10-31 21:59:31,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117155185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:31,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:31,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:31,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119305467] [2024-10-31 21:59:31,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:31,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:31,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:31,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:31,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:31,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 363 [2024-10-31 21:59:31,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 124 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 21:59:31,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:31,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 363 [2024-10-31 21:59:31,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand