./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme --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 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:56,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:56,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:55:56,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:56,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:56,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:56,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:56,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:56,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:56,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:56,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:56,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:56,513 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:56,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:56,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:56,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:55:56,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:56,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:55:56,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:56,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:56,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:56,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:56,519 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:55:56,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:56,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:55:56,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:56,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:56,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:56,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:56,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:56,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:56,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:56,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:56,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:56,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:56,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:56,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:56,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:56,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:56,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:56,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:56,527 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_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2023-11-26 11:55:56,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:56,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:56,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:56,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:56,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:56,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread/queue_longer.i [2023-11-26 11:55:59,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:00,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:00,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/sv-benchmarks/c/pthread/queue_longer.i [2023-11-26 11:56:00,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/data/73f08c672/57889c778b7c4cf2bf76b1c953858c04/FLAG738df35b6 [2023-11-26 11:56:00,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/data/73f08c672/57889c778b7c4cf2bf76b1c953858c04 [2023-11-26 11:56:00,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:00,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:00,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:00,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:00,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:00,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:00" (1/1) ... [2023-11-26 11:56:00,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137fd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:00, skipping insertion in model container [2023-11-26 11:56:00,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:00" (1/1) ... [2023-11-26 11:56:00,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:01,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:01,233 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:01,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:01,436 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:01,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01 WrapperNode [2023-11-26 11:56:01,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:01,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:01,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:01,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:01,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,599 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 500 [2023-11-26 11:56:01,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:01,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:01,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:01,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:01,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:01,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:01,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:01,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:01,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:01,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:01,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8bceaf-6a90-4295-9003-8f2107101ff8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-26 11:56:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-26 11:56:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-26 11:56:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-26 11:56:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:56:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:56:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:56:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:56:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:56:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:01,800 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:56:01,968 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:01,971 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:02,985 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:03,013 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:03,014 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:56:03,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:03 BoogieIcfgContainer [2023-11-26 11:56:03,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:03,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:03,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:03,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:03,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:00" (1/3) ... [2023-11-26 11:56:03,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef354fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:03, skipping insertion in model container [2023-11-26 11:56:03,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01" (2/3) ... [2023-11-26 11:56:03,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef354fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:03, skipping insertion in model container [2023-11-26 11:56:03,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:03" (3/3) ... [2023-11-26 11:56:03,025 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2023-11-26 11:56:03,034 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:56:03,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:03,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-26 11:56:03,045 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:56:03,247 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:56:03,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 558 places, 569 transitions, 1152 flow [2023-11-26 11:56:03,735 INFO L124 PetriNetUnfolderBase]: 18/567 cut-off events. [2023-11-26 11:56:03,735 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:56:03,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 567 events. 18/567 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 849 event pairs, 0 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 436. Up to 2 conditions per place. [2023-11-26 11:56:03,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 558 places, 569 transitions, 1152 flow [2023-11-26 11:56:03,775 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 546 places, 557 transitions, 1123 flow [2023-11-26 11:56:03,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:03,801 INFO L357 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, mHoare=true, 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;@31780bdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:03,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2023-11-26 11:56:03,807 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:56:03,808 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2023-11-26 11:56:03,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:56:03,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:03,809 INFO L208 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] [2023-11-26 11:56:03,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-26 11:56:03,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:03,818 INFO L85 PathProgramCache]: Analyzing trace with hash 91691771, now seen corresponding path program 1 times [2023-11-26 11:56:03,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730631067] [2023-11-26 11:56:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:03,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:04,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:04,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730631067] [2023-11-26 11:56:04,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730631067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:04,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:04,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:04,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70288149] [2023-11-26 11:56:04,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:04,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:04,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:04,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:04,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:04,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 569 [2023-11-26 11:56:04,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 557 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 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) [2023-11-26 11:56:04,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:04,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 569 [2023-11-26 11:56:04,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:04,911 INFO L124 PetriNetUnfolderBase]: 61/1673 cut-off events. [2023-11-26 11:56:04,911 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-26 11:56:04,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1768 conditions, 1673 events. 61/1673 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 7841 event pairs, 27 based on Foata normal form. 38/1529 useless extension candidates. Maximal degree in co-relation 1600. Up to 70 conditions per place. [2023-11-26 11:56:04,942 INFO L140 encePairwiseOnDemand]: 559/569 looper letters, 15 selfloop transitions, 2 changer transitions 0/535 dead transitions. [2023-11-26 11:56:04,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 535 transitions, 1113 flow [2023-11-26 11:56:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1636 transitions. [2023-11-26 11:56:04,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.958406561218512 [2023-11-26 11:56:04,972 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1636 transitions. [2023-11-26 11:56:04,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1636 transitions. [2023-11-26 11:56:04,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:04,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1636 transitions. [2023-11-26 11:56:04,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2023-11-26 11:56:05,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 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) [2023-11-26 11:56:05,007 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 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) [2023-11-26 11:56:05,010 INFO L175 Difference]: Start difference. First operand has 546 places, 557 transitions, 1123 flow. Second operand 3 states and 1636 transitions. [2023-11-26 11:56:05,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 535 transitions, 1113 flow [2023-11-26 11:56:05,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 535 transitions, 1108 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 11:56:05,041 INFO L231 Difference]: Finished difference. Result has 531 places, 535 transitions, 1078 flow [2023-11-26 11:56:05,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=569, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=531, PETRI_TRANSITIONS=535} [2023-11-26 11:56:05,049 INFO L281 CegarLoopForPetriNet]: 546 programPoint places, -15 predicate places. [2023-11-26 11:56:05,049 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 535 transitions, 1078 flow [2023-11-26 11:56:05,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 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) [2023-11-26 11:56:05,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:05,052 INFO L208 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] [2023-11-26 11:56:05,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:56:05,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-26 11:56:05,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash 140601170, now seen corresponding path program 1 times [2023-11-26 11:56:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:05,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813728957] [2023-11-26 11:56:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:05,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:05,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813728957] [2023-11-26 11:56:05,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813728957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:05,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:05,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:05,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102101512] [2023-11-26 11:56:05,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:05,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:05,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:05,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:05,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:05,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 569 [2023-11-26 11:56:05,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 535 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 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) [2023-11-26 11:56:05,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:05,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 569 [2023-11-26 11:56:05,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:05,931 INFO L124 PetriNetUnfolderBase]: 69/1954 cut-off events. [2023-11-26 11:56:05,931 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-26 11:56:05,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1954 events. 69/1954 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 9979 event pairs, 29 based on Foata normal form. 0/1743 useless extension candidates. Maximal degree in co-relation 2011. Up to 74 conditions per place. [2023-11-26 11:56:05,958 INFO L140 encePairwiseOnDemand]: 566/569 looper letters, 15 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2023-11-26 11:56:05,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 534 transitions, 1110 flow [2023-11-26 11:56:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1629 transitions. [2023-11-26 11:56:05,965 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9543057996485061 [2023-11-26 11:56:05,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1629 transitions. [2023-11-26 11:56:05,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1629 transitions. [2023-11-26 11:56:05,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:05,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1629 transitions. [2023-11-26 11:56:05,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2023-11-26 11:56:05,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 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) [2023-11-26 11:56:05,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 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) [2023-11-26 11:56:05,981 INFO L175 Difference]: Start difference. First operand has 531 places, 535 transitions, 1078 flow. Second operand 3 states and 1629 transitions. [2023-11-26 11:56:05,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 534 transitions, 1110 flow [2023-11-26 11:56:05,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 534 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:05,997 INFO L231 Difference]: Finished difference. Result has 530 places, 534 transitions, 1076 flow [2023-11-26 11:56:05,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=569, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1076, PETRI_PLACES=530, PETRI_TRANSITIONS=534} [2023-11-26 11:56:06,000 INFO L281 CegarLoopForPetriNet]: 546 programPoint places, -16 predicate places. [2023-11-26 11:56:06,000 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 534 transitions, 1076 flow [2023-11-26 11:56:06,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 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) [2023-11-26 11:56:06,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:06,005 INFO L208 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] [2023-11-26 11:56:06,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:56:06,005 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-26 11:56:06,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:06,006 INFO L85 PathProgramCache]: Analyzing trace with hash 776661867, now seen corresponding path program 1 times [2023-11-26 11:56:06,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:06,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588792047] [2023-11-26 11:56:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:06,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:06,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:06,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588792047] [2023-11-26 11:56:06,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588792047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:06,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:06,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:06,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418187230] [2023-11-26 11:56:06,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:06,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:06,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:06,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:06,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:07,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 569 [2023-11-26 11:56:07,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 534 transitions, 1076 flow. Second operand has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 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) [2023-11-26 11:56:07,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:07,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 569 [2023-11-26 11:56:07,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:26,991 INFO L124 PetriNetUnfolderBase]: 31498/87293 cut-off events. [2023-11-26 11:56:26,991 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-26 11:56:27,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134591 conditions, 87293 events. 31498/87293 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 962512 event pairs, 29490 based on Foata normal form. 0/80082 useless extension candidates. Maximal degree in co-relation 134551. Up to 47118 conditions per place. [2023-11-26 11:56:27,688 INFO L140 encePairwiseOnDemand]: 563/569 looper letters, 146 selfloop transitions, 5 changer transitions 0/533 dead transitions. [2023-11-26 11:56:27,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 533 transitions, 1376 flow [2023-11-26 11:56:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2576 transitions. [2023-11-26 11:56:27,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7545401288810779 [2023-11-26 11:56:27,700 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2576 transitions. [2023-11-26 11:56:27,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2576 transitions. [2023-11-26 11:56:27,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:27,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2576 transitions. [2023-11-26 11:56:27,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 429.3333333333333) internal successors, (2576), 6 states have internal predecessors, (2576), 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) [2023-11-26 11:56:27,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 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) [2023-11-26 11:56:27,727 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 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) [2023-11-26 11:56:27,728 INFO L175 Difference]: Start difference. First operand has 530 places, 534 transitions, 1076 flow. Second operand 6 states and 2576 transitions. [2023-11-26 11:56:27,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 533 transitions, 1376 flow [2023-11-26 11:56:27,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 533 transitions, 1372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:27,744 INFO L231 Difference]: Finished difference. Result has 532 places, 533 transitions, 1080 flow [2023-11-26 11:56:27,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=569, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1080, PETRI_PLACES=532, PETRI_TRANSITIONS=533} [2023-11-26 11:56:27,749 INFO L281 CegarLoopForPetriNet]: 546 programPoint places, -14 predicate places. [2023-11-26 11:56:27,749 INFO L495 AbstractCegarLoop]: Abstraction has has 532 places, 533 transitions, 1080 flow [2023-11-26 11:56:27,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 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) [2023-11-26 11:56:27,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:27,752 INFO L208 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] [2023-11-26 11:56:27,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:56:27,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-26 11:56:27,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:27,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2063772648, now seen corresponding path program 1 times [2023-11-26 11:56:27,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:27,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150033600] [2023-11-26 11:56:27,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:27,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:28,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:28,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150033600] [2023-11-26 11:56:28,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150033600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:28,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:28,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:28,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009909913] [2023-11-26 11:56:28,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:28,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:28,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:28,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:29,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 569 [2023-11-26 11:56:29,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 533 transitions, 1080 flow. Second operand has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 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) [2023-11-26 11:56:29,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:29,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 569 [2023-11-26 11:56:29,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:45,863 INFO L124 PetriNetUnfolderBase]: 31498/87292 cut-off events. [2023-11-26 11:56:45,863 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-26 11:56:46,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134593 conditions, 87292 events. 31498/87292 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 962226 event pairs, 29490 based on Foata normal form. 0/80082 useless extension candidates. Maximal degree in co-relation 134537. Up to 47118 conditions per place. [2023-11-26 11:56:46,335 INFO L140 encePairwiseOnDemand]: 563/569 looper letters, 146 selfloop transitions, 5 changer transitions 0/532 dead transitions. [2023-11-26 11:56:46,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 532 transitions, 1380 flow [2023-11-26 11:56:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2576 transitions. [2023-11-26 11:56:46,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7545401288810779 [2023-11-26 11:56:46,344 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2576 transitions. [2023-11-26 11:56:46,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2576 transitions. [2023-11-26 11:56:46,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:46,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2576 transitions. [2023-11-26 11:56:46,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 429.3333333333333) internal successors, (2576), 6 states have internal predecessors, (2576), 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) [2023-11-26 11:56:46,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 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) [2023-11-26 11:56:46,367 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 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) [2023-11-26 11:56:46,368 INFO L175 Difference]: Start difference. First operand has 532 places, 533 transitions, 1080 flow. Second operand 6 states and 2576 transitions. [2023-11-26 11:56:46,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 532 transitions, 1380 flow [2023-11-26 11:56:46,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 532 transitions, 1370 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:56:46,385 INFO L231 Difference]: Finished difference. Result has 531 places, 532 transitions, 1078 flow [2023-11-26 11:56:46,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=569, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1078, PETRI_PLACES=531, PETRI_TRANSITIONS=532} [2023-11-26 11:56:46,389 INFO L281 CegarLoopForPetriNet]: 546 programPoint places, -15 predicate places. [2023-11-26 11:56:46,389 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 532 transitions, 1078 flow [2023-11-26 11:56:46,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 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) [2023-11-26 11:56:46,391 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:46,392 INFO L208 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] [2023-11-26 11:56:46,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:56:46,392 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-26 11:56:46,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:46,393 INFO L85 PathProgramCache]: Analyzing trace with hash -988713233, now seen corresponding path program 1 times [2023-11-26 11:56:46,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:46,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696027456] [2023-11-26 11:56:46,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:46,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:46,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696027456] [2023-11-26 11:56:46,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696027456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:46,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:46,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:46,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93539861] [2023-11-26 11:56:46,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:46,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:46,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:46,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:46,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:47,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 569 [2023-11-26 11:56:47,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 532 transitions, 1078 flow. Second operand has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 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) [2023-11-26 11:56:47,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:47,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 569 [2023-11-26 11:56:47,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand