./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix002.opt.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_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/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_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/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_2974e280-8d57-4a01-b5a3-9f5fff861e44/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 dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:15,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:15,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:14:15,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:15,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:15,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:15,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:15,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:15,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:15,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:15,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:15,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:15,334 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:15,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:15,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:15,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:15,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:15,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:15,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:15,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:15,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:15,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:15,341 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:14:15,341 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:15,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:14:15,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:15,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:15,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:15,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:15,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:15,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:15,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:15,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:15,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:15,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:15,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:15,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:15,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:15,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:15,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:15,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:15,349 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_2974e280-8d57-4a01-b5a3-9f5fff861e44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2024-10-31 22:14:15,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:15,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:15,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:15,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:15,764 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:15,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/mix002.opt.i Unable to find full path for "g++" [2024-10-31 22:14:18,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:18,441 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:18,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-10-31 22:14:18,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/data/3c3728576/be809d51b24346969a1bd7840c59d6b0/FLAG0e177caa2 [2024-10-31 22:14:18,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/data/3c3728576/be809d51b24346969a1bd7840c59d6b0 [2024-10-31 22:14:18,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:18,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:18,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:18,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:18,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:18,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:18" (1/1) ... [2024-10-31 22:14:18,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f76de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:18, skipping insertion in model container [2024-10-31 22:14:18,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:18" (1/1) ... [2024-10-31 22:14:18,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:19,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:19,390 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:19,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:19,591 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:19,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19 WrapperNode [2024-10-31 22:14:19,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:19,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:19,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:19,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:19,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,702 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 956 [2024-10-31 22:14:19,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:19,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:19,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:19,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:19,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:19,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:19,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:19,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:19,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (1/1) ... [2024-10-31 22:14:19,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:19,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:19,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:19,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2974e280-8d57-4a01-b5a3-9f5fff861e44/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:14:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:14:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:14:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:14:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:14:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:14:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:19,917 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 22:14:20,153 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:20,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:22,196 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:14:22,196 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:29,612 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:29,612 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:14:29,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:29 BoogieIcfgContainer [2024-10-31 22:14:29,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:29,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:29,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:29,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:29,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:18" (1/3) ... [2024-10-31 22:14:29,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd7d629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:29, skipping insertion in model container [2024-10-31 22:14:29,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:19" (2/3) ... [2024-10-31 22:14:29,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd7d629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:29, skipping insertion in model container [2024-10-31 22:14:29,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:29" (3/3) ... [2024-10-31 22:14:29,628 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2024-10-31 22:14:29,650 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:29,651 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 293 error locations. [2024-10-31 22:14:29,651 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:14:30,181 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:14:30,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 420 places, 413 transitions, 838 flow [2024-10-31 22:14:30,449 INFO L124 PetriNetUnfolderBase]: 3/410 cut-off events. [2024-10-31 22:14:30,449 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:14:30,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 410 events. 3/410 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2579 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 370. Up to 2 conditions per place. [2024-10-31 22:14:30,462 INFO L82 GeneralOperation]: Start removeDead. Operand has 420 places, 413 transitions, 838 flow [2024-10-31 22:14:30,490 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 417 places, 410 transitions, 829 flow [2024-10-31 22:14:30,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:30,509 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;@34a426ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:30,510 INFO L334 AbstractCegarLoop]: Starting to check reachability of 550 error locations. [2024-10-31 22:14:30,518 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:14:30,519 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-10-31 22:14:30,519 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:14:30,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:14:30,520 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] [2024-10-31 22:14:30,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 546 more)] === [2024-10-31 22:14:30,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1262481413, now seen corresponding path program 1 times [2024-10-31 22:14:30,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:30,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379544195] [2024-10-31 22:14:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:30,861 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 22:14:30,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:30,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379544195] [2024-10-31 22:14:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379544195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:30,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:14:30,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49269466] [2024-10-31 22:14:30,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:30,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:14:30,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:30,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:30,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:30,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 413 [2024-10-31 22:14:30,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 410 transitions, 829 flow. Second operand has 2 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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 22:14:30,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:14:30,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 413 [2024-10-31 22:14:30,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:14:36,713 INFO L124 PetriNetUnfolderBase]: 1651/5648 cut-off events. [2024-10-31 22:14:36,714 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-10-31 22:14:36,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8134 conditions, 5648 events. 1651/5648 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 59083 event pairs, 1651 based on Foata normal form. 508/5710 useless extension candidates. Maximal degree in co-relation 8082. Up to 2408 conditions per place. [2024-10-31 22:14:36,766 INFO L140 encePairwiseOnDemand]: 119/413 looper letters, 20 selfloop transitions, 0 changer transitions 0/114 dead transitions. [2024-10-31 22:14:36,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 114 transitions, 277 flow [2024-10-31 22:14:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:14:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 510 transitions. [2024-10-31 22:14:36,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6174334140435835 [2024-10-31 22:14:36,788 INFO L175 Difference]: Start difference. First operand has 417 places, 410 transitions, 829 flow. Second operand 2 states and 510 transitions. [2024-10-31 22:14:36,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 114 transitions, 277 flow [2024-10-31 22:14:36,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 114 transitions, 274 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:14:36,797 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 234 flow [2024-10-31 22:14:36,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=234, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-10-31 22:14:36,803 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -295 predicate places. [2024-10-31 22:14:36,804 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 234 flow [2024-10-31 22:14:36,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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 22:14:36,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:14:36,805 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] [2024-10-31 22:14:36,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:14:36,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 546 more)] === [2024-10-31 22:14:36,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:36,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1360479619, now seen corresponding path program 1 times [2024-10-31 22:14:36,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:36,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026691117] [2024-10-31 22:14:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:36,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:37,029 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 22:14:37,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:37,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026691117] [2024-10-31 22:14:37,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026691117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:37,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:37,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:37,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34063658] [2024-10-31 22:14:37,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:37,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:14:37,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:37,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:37,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 413 [2024-10-31 22:14:37,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 22:14:37,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:14:37,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 413 [2024-10-31 22:14:37,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:14:43,417 INFO L124 PetriNetUnfolderBase]: 2539/8065 cut-off events. [2024-10-31 22:14:43,418 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:14:43,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11797 conditions, 8065 events. 2539/8065 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 82975 event pairs, 763 based on Foata normal form. 0/7504 useless extension candidates. Maximal degree in co-relation 11794. Up to 2496 conditions per place. [2024-10-31 22:14:43,476 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 35 selfloop transitions, 1 changer transitions 0/127 dead transitions. [2024-10-31 22:14:43,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 127 transitions, 332 flow [2024-10-31 22:14:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:14:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2024-10-31 22:14:43,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2598870056497175 [2024-10-31 22:14:43,480 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 234 flow. Second operand 3 states and 322 transitions. [2024-10-31 22:14:43,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 127 transitions, 332 flow [2024-10-31 22:14:43,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 127 transitions, 332 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:14:43,487 INFO L231 Difference]: Finished difference. Result has 123 places, 113 transitions, 234 flow [2024-10-31 22:14:43,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=123, PETRI_TRANSITIONS=113} [2024-10-31 22:14:43,488 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -294 predicate places. [2024-10-31 22:14:43,488 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 113 transitions, 234 flow [2024-10-31 22:14:43,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 22:14:43,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:14:43,491 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] [2024-10-31 22:14:43,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:14:43,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 546 more)] === [2024-10-31 22:14:43,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:43,494 INFO L85 PathProgramCache]: Analyzing trace with hash 602156012, now seen corresponding path program 1 times [2024-10-31 22:14:43,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:43,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168647269] [2024-10-31 22:14:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:43,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,752 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 22:14:43,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:43,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168647269] [2024-10-31 22:14:43,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168647269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:43,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:43,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:43,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624619411] [2024-10-31 22:14:43,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:43,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:14:43,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:43,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:43,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:43,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 413 [2024-10-31 22:14:43,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 113 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 22:14:43,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:14:43,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 413 [2024-10-31 22:14:43,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand