./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11bff6cd42e59c1eface46e47cb7e4e4f51a04703472e58b1bb7c25b58842408 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:30:35,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:30:35,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 10:30:35,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:30:35,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:30:36,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:30:36,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:30:36,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:30:36,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:30:36,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:30:36,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:30:36,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:30:36,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:30:36,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:30:36,016 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:30:36,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:30:36,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:30:36,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 10:30:36,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:30:36,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 10:30:36,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:30:36,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:30:36,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:30:36,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:30:36,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:30:36,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 10:30:36,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:30:36,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:30:36,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:30:36,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:30:36,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:30:36,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:30:36,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:30:36,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:30:36,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:30:36,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:30:36,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:30:36,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:30:36,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:30:36,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:30:36,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:30:36,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:30:36,026 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff6cd42e59c1eface46e47cb7e4e4f51a04703472e58b1bb7c25b58842408 [2024-11-10 10:30:36,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:30:36,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:30:36,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:30:36,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:30:36,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:30:36,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2024-11-10 10:30:37,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:30:38,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:30:38,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2024-11-10 10:30:38,039 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e235ba6/a3a33197037a4baea219408c72e2aed3/FLAGec9191ee9 [2024-11-10 10:30:38,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e235ba6/a3a33197037a4baea219408c72e2aed3 [2024-11-10 10:30:38,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:30:38,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:30:38,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:30:38,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:30:38,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:30:38,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ccfc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38, skipping insertion in model container [2024-11-10 10:30:38,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:30:38,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c[2331,2344] [2024-11-10 10:30:38,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:30:38,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:30:38,652 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c[2331,2344] [2024-11-10 10:30:38,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:30:38,680 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:30:38,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38 WrapperNode [2024-11-10 10:30:38,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:30:38,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:30:38,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:30:38,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:30:38,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,727 INFO L138 Inliner]: procedures = 19, calls = 14, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 140 [2024-11-10 10:30:38,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:30:38,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:30:38,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:30:38,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:30:38,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,745 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,758 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 10:30:38,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:30:38,780 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:30:38,780 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:30:38,780 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:30:38,781 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (1/1) ... [2024-11-10 10:30:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:30:38,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:30:38,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:30:38,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:30:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:30:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 10:30:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 10:30:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 10:30:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 10:30:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 10:30:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 10:30:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:30:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:30:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:30:38,964 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 10:30:39,061 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:30:39,063 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:30:39,283 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 10:30:39,284 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:30:39,444 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:30:39,444 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:30:39,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:30:39 BoogieIcfgContainer [2024-11-10 10:30:39,445 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:30:39,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:30:39,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:30:39,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:30:39,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:30:38" (1/3) ... [2024-11-10 10:30:39,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108906fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:30:39, skipping insertion in model container [2024-11-10 10:30:39,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:38" (2/3) ... [2024-11-10 10:30:39,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108906fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:30:39, skipping insertion in model container [2024-11-10 10:30:39,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:30:39" (3/3) ... [2024-11-10 10:30:39,455 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2024-11-10 10:30:39,469 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:30:39,470 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:30:39,470 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 10:30:39,527 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 10:30:39,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 115 flow [2024-11-10 10:30:39,609 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-11-10 10:30:39,609 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 10:30:39,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 2/44 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-11-10 10:30:39,616 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 115 flow [2024-11-10 10:30:39,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 43 transitions, 104 flow [2024-11-10 10:30:39,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:30:39,637 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;@7edd0367, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:30:39,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 10:30:39,653 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 10:30:39,654 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-10 10:30:39,654 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 10:30:39,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:39,655 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] [2024-11-10 10:30:39,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:39,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:39,662 INFO L85 PathProgramCache]: Analyzing trace with hash 632659640, now seen corresponding path program 1 times [2024-11-10 10:30:39,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:39,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150795631] [2024-11-10 10:30:39,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:39,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:40,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:40,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150795631] [2024-11-10 10:30:40,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150795631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:40,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:40,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:30:40,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414251866] [2024-11-10 10:30:40,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:40,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:30:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:40,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:30:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:30:40,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:40,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:40,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:40,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:40,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:40,654 INFO L124 PetriNetUnfolderBase]: 1948/3061 cut-off events. [2024-11-10 10:30:40,654 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2024-11-10 10:30:40,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6136 conditions, 3061 events. 1948/3061 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 16388 event pairs, 858 based on Foata normal form. 1/2959 useless extension candidates. Maximal degree in co-relation 5693. Up to 1547 conditions per place. [2024-11-10 10:30:40,683 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 51 selfloop transitions, 5 changer transitions 1/65 dead transitions. [2024-11-10 10:30:40,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 65 transitions, 274 flow [2024-11-10 10:30:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:30:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 10:30:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-10 10:30:40,698 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6453900709219859 [2024-11-10 10:30:40,699 INFO L175 Difference]: Start difference. First operand has 51 places, 43 transitions, 104 flow. Second operand 3 states and 91 transitions. [2024-11-10 10:30:40,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 65 transitions, 274 flow [2024-11-10 10:30:40,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 65 transitions, 254 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 10:30:40,713 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 117 flow [2024-11-10 10:30:40,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2024-11-10 10:30:40,722 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2024-11-10 10:30:40,722 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 117 flow [2024-11-10 10:30:40,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:40,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:40,722 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] [2024-11-10 10:30:40,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:30:40,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:40,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:40,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1898157518, now seen corresponding path program 1 times [2024-11-10 10:30:40,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:40,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126137929] [2024-11-10 10:30:40,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:40,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:40,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:40,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126137929] [2024-11-10 10:30:40,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126137929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:40,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:40,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:30:40,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890351887] [2024-11-10 10:30:40,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:40,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:30:40,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:40,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:30:40,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:30:40,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 47 [2024-11-10 10:30:40,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:40,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:40,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 47 [2024-11-10 10:30:40,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:41,235 INFO L124 PetriNetUnfolderBase]: 2293/3505 cut-off events. [2024-11-10 10:30:41,235 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-10 10:30:41,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7425 conditions, 3505 events. 2293/3505 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 17786 event pairs, 1673 based on Foata normal form. 0/3460 useless extension candidates. Maximal degree in co-relation 4808. Up to 3012 conditions per place. [2024-11-10 10:30:41,253 INFO L140 encePairwiseOnDemand]: 38/47 looper letters, 54 selfloop transitions, 7 changer transitions 0/65 dead transitions. [2024-11-10 10:30:41,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 291 flow [2024-11-10 10:30:41,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:30:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 10:30:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-11-10 10:30:41,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5673758865248227 [2024-11-10 10:30:41,258 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 117 flow. Second operand 3 states and 80 transitions. [2024-11-10 10:30:41,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 291 flow [2024-11-10 10:30:41,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 65 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 10:30:41,263 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 156 flow [2024-11-10 10:30:41,263 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2024-11-10 10:30:41,264 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 0 predicate places. [2024-11-10 10:30:41,265 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 156 flow [2024-11-10 10:30:41,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:41,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:41,265 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] [2024-11-10 10:30:41,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 10:30:41,266 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:41,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:41,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1930786932, now seen corresponding path program 1 times [2024-11-10 10:30:41,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:41,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163445205] [2024-11-10 10:30:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:41,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:41,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163445205] [2024-11-10 10:30:41,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163445205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:41,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:41,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 10:30:41,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498067294] [2024-11-10 10:30:41,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:41,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 10:30:41,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:41,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 10:30:41,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:30:41,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:41,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:41,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:41,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:41,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:42,066 INFO L124 PetriNetUnfolderBase]: 2768/4506 cut-off events. [2024-11-10 10:30:42,066 INFO L125 PetriNetUnfolderBase]: For 1505/1509 co-relation queries the response was YES. [2024-11-10 10:30:42,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10349 conditions, 4506 events. 2768/4506 cut-off events. For 1505/1509 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 26697 event pairs, 604 based on Foata normal form. 26/4464 useless extension candidates. Maximal degree in co-relation 6384. Up to 1835 conditions per place. [2024-11-10 10:30:42,091 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 80 selfloop transitions, 21 changer transitions 3/114 dead transitions. [2024-11-10 10:30:42,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 114 transitions, 555 flow [2024-11-10 10:30:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 10:30:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 10:30:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2024-11-10 10:30:42,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5709219858156028 [2024-11-10 10:30:42,095 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 156 flow. Second operand 6 states and 161 transitions. [2024-11-10 10:30:42,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 114 transitions, 555 flow [2024-11-10 10:30:42,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 114 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 10:30:42,108 INFO L231 Difference]: Finished difference. Result has 55 places, 62 transitions, 221 flow [2024-11-10 10:30:42,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=221, PETRI_PLACES=55, PETRI_TRANSITIONS=62} [2024-11-10 10:30:42,109 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 4 predicate places. [2024-11-10 10:30:42,110 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 62 transitions, 221 flow [2024-11-10 10:30:42,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:42,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:42,110 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] [2024-11-10 10:30:42,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 10:30:42,110 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:42,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:42,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1191298344, now seen corresponding path program 2 times [2024-11-10 10:30:42,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:42,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654744891] [2024-11-10 10:30:42,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:42,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:42,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654744891] [2024-11-10 10:30:42,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654744891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:42,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:42,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:30:42,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029018315] [2024-11-10 10:30:42,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:42,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:30:42,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:42,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:30:42,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:30:42,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:42,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 62 transitions, 221 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:42,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:42,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:42,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:42,878 INFO L124 PetriNetUnfolderBase]: 3433/5678 cut-off events. [2024-11-10 10:30:42,878 INFO L125 PetriNetUnfolderBase]: For 2124/2132 co-relation queries the response was YES. [2024-11-10 10:30:42,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14048 conditions, 5678 events. 3433/5678 cut-off events. For 2124/2132 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 35909 event pairs, 926 based on Foata normal form. 62/5642 useless extension candidates. Maximal degree in co-relation 9317. Up to 1972 conditions per place. [2024-11-10 10:30:42,912 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 83 selfloop transitions, 23 changer transitions 11/127 dead transitions. [2024-11-10 10:30:42,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 127 transitions, 666 flow [2024-11-10 10:30:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:30:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 10:30:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 149 transitions. [2024-11-10 10:30:42,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6340425531914894 [2024-11-10 10:30:42,917 INFO L175 Difference]: Start difference. First operand has 55 places, 62 transitions, 221 flow. Second operand 5 states and 149 transitions. [2024-11-10 10:30:42,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 127 transitions, 666 flow [2024-11-10 10:30:42,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 127 transitions, 660 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 10:30:42,923 INFO L231 Difference]: Finished difference. Result has 60 places, 73 transitions, 346 flow [2024-11-10 10:30:42,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=346, PETRI_PLACES=60, PETRI_TRANSITIONS=73} [2024-11-10 10:30:42,924 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places. [2024-11-10 10:30:42,924 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 73 transitions, 346 flow [2024-11-10 10:30:42,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:42,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:42,925 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] [2024-11-10 10:30:42,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 10:30:42,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:42,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:42,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2036542814, now seen corresponding path program 2 times [2024-11-10 10:30:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:42,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881636476] [2024-11-10 10:30:42,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:43,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:43,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881636476] [2024-11-10 10:30:43,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881636476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:43,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:43,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:30:43,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815446833] [2024-11-10 10:30:43,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:43,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:30:43,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:43,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:30:43,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:30:43,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:43,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 73 transitions, 346 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:43,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:43,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:43,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:43,593 INFO L124 PetriNetUnfolderBase]: 2839/4796 cut-off events. [2024-11-10 10:30:43,593 INFO L125 PetriNetUnfolderBase]: For 4790/4790 co-relation queries the response was YES. [2024-11-10 10:30:43,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13511 conditions, 4796 events. 2839/4796 cut-off events. For 4790/4790 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 29996 event pairs, 785 based on Foata normal form. 78/4813 useless extension candidates. Maximal degree in co-relation 8773. Up to 1604 conditions per place. [2024-11-10 10:30:43,627 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 80 selfloop transitions, 24 changer transitions 12/126 dead transitions. [2024-11-10 10:30:43,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 126 transitions, 770 flow [2024-11-10 10:30:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:30:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 10:30:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 146 transitions. [2024-11-10 10:30:43,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6212765957446809 [2024-11-10 10:30:43,628 INFO L175 Difference]: Start difference. First operand has 60 places, 73 transitions, 346 flow. Second operand 5 states and 146 transitions. [2024-11-10 10:30:43,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 126 transitions, 770 flow [2024-11-10 10:30:43,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 126 transitions, 757 flow, removed 4 selfloop flow, removed 1 redundant places. [2024-11-10 10:30:43,638 INFO L231 Difference]: Finished difference. Result has 64 places, 74 transitions, 402 flow [2024-11-10 10:30:43,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=402, PETRI_PLACES=64, PETRI_TRANSITIONS=74} [2024-11-10 10:30:43,639 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 13 predicate places. [2024-11-10 10:30:43,639 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions, 402 flow [2024-11-10 10:30:43,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:43,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:43,640 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] [2024-11-10 10:30:43,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 10:30:43,640 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:43,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:43,643 INFO L85 PathProgramCache]: Analyzing trace with hash -523358514, now seen corresponding path program 3 times [2024-11-10 10:30:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:43,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259959130] [2024-11-10 10:30:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:43,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:43,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259959130] [2024-11-10 10:30:43,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259959130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:43,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:43,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:30:43,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941133725] [2024-11-10 10:30:43,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:43,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:30:43,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:30:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:30:43,798 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:43,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 74 transitions, 402 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:43,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:43,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:43,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:44,103 INFO L124 PetriNetUnfolderBase]: 1303/2252 cut-off events. [2024-11-10 10:30:44,104 INFO L125 PetriNetUnfolderBase]: For 2619/2619 co-relation queries the response was YES. [2024-11-10 10:30:44,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6507 conditions, 2252 events. 1303/2252 cut-off events. For 2619/2619 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 12036 event pairs, 424 based on Foata normal form. 40/2275 useless extension candidates. Maximal degree in co-relation 5183. Up to 884 conditions per place. [2024-11-10 10:30:44,114 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 59 selfloop transitions, 23 changer transitions 17/109 dead transitions. [2024-11-10 10:30:44,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 109 transitions, 709 flow [2024-11-10 10:30:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:30:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 10:30:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2024-11-10 10:30:44,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5957446808510638 [2024-11-10 10:30:44,118 INFO L175 Difference]: Start difference. First operand has 64 places, 74 transitions, 402 flow. Second operand 5 states and 140 transitions. [2024-11-10 10:30:44,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 109 transitions, 709 flow [2024-11-10 10:30:44,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 109 transitions, 671 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 10:30:44,124 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 379 flow [2024-11-10 10:30:44,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=379, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2024-11-10 10:30:44,126 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2024-11-10 10:30:44,127 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 379 flow [2024-11-10 10:30:44,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:44,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:44,127 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] [2024-11-10 10:30:44,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 10:30:44,128 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:44,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash 606672572, now seen corresponding path program 4 times [2024-11-10 10:30:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:44,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097034814] [2024-11-10 10:30:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:44,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:44,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097034814] [2024-11-10 10:30:44,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097034814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:44,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:44,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 10:30:44,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998344610] [2024-11-10 10:30:44,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:44,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 10:30:44,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 10:30:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:30:44,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:44,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:44,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:44,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:44,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:44,569 INFO L124 PetriNetUnfolderBase]: 1136/1951 cut-off events. [2024-11-10 10:30:44,569 INFO L125 PetriNetUnfolderBase]: For 2556/2556 co-relation queries the response was YES. [2024-11-10 10:30:44,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5789 conditions, 1951 events. 1136/1951 cut-off events. For 2556/2556 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 10089 event pairs, 335 based on Foata normal form. 16/1930 useless extension candidates. Maximal degree in co-relation 2247. Up to 750 conditions per place. [2024-11-10 10:30:44,578 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 62 selfloop transitions, 26 changer transitions 11/109 dead transitions. [2024-11-10 10:30:44,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 109 transitions, 717 flow [2024-11-10 10:30:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 10:30:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 10:30:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2024-11-10 10:30:44,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5567375886524822 [2024-11-10 10:30:44,580 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 379 flow. Second operand 6 states and 157 transitions. [2024-11-10 10:30:44,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 109 transitions, 717 flow [2024-11-10 10:30:44,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 109 transitions, 683 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 10:30:44,585 INFO L231 Difference]: Finished difference. Result has 69 places, 64 transitions, 386 flow [2024-11-10 10:30:44,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=69, PETRI_TRANSITIONS=64} [2024-11-10 10:30:44,586 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 18 predicate places. [2024-11-10 10:30:44,586 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 64 transitions, 386 flow [2024-11-10 10:30:44,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:44,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:44,587 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] [2024-11-10 10:30:44,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 10:30:44,587 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:44,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash 273665806, now seen corresponding path program 5 times [2024-11-10 10:30:44,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:44,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403148764] [2024-11-10 10:30:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:44,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:44,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:44,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403148764] [2024-11-10 10:30:44,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403148764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:44,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:44,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 10:30:44,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729295675] [2024-11-10 10:30:44,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:44,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 10:30:44,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:44,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 10:30:44,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 10:30:44,726 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:44,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 64 transitions, 386 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:44,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:44,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:44,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:45,079 INFO L124 PetriNetUnfolderBase]: 1063/1841 cut-off events. [2024-11-10 10:30:45,079 INFO L125 PetriNetUnfolderBase]: For 3285/3285 co-relation queries the response was YES. [2024-11-10 10:30:45,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5440 conditions, 1841 events. 1063/1841 cut-off events. For 3285/3285 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9534 event pairs, 317 based on Foata normal form. 16/1828 useless extension candidates. Maximal degree in co-relation 2174. Up to 676 conditions per place. [2024-11-10 10:30:45,089 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 60 selfloop transitions, 24 changer transitions 16/110 dead transitions. [2024-11-10 10:30:45,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 110 transitions, 736 flow [2024-11-10 10:30:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:30:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 10:30:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 183 transitions. [2024-11-10 10:30:45,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4867021276595745 [2024-11-10 10:30:45,091 INFO L175 Difference]: Start difference. First operand has 69 places, 64 transitions, 386 flow. Second operand 8 states and 183 transitions. [2024-11-10 10:30:45,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 110 transitions, 736 flow [2024-11-10 10:30:45,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 110 transitions, 682 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-10 10:30:45,096 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 369 flow [2024-11-10 10:30:45,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=369, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-11-10 10:30:45,097 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 21 predicate places. [2024-11-10 10:30:45,098 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 369 flow [2024-11-10 10:30:45,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:45,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:45,098 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] [2024-11-10 10:30:45,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 10:30:45,099 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:45,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:45,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1134753332, now seen corresponding path program 6 times [2024-11-10 10:30:45,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:45,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030473680] [2024-11-10 10:30:45,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:45,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:45,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:45,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030473680] [2024-11-10 10:30:45,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030473680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:45,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:45,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 10:30:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978232139] [2024-11-10 10:30:45,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:45,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 10:30:45,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:45,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 10:30:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 10:30:45,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:45,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 369 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:45,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:45,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:45,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:45,509 INFO L124 PetriNetUnfolderBase]: 731/1315 cut-off events. [2024-11-10 10:30:45,509 INFO L125 PetriNetUnfolderBase]: For 2277/2277 co-relation queries the response was YES. [2024-11-10 10:30:45,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3890 conditions, 1315 events. 731/1315 cut-off events. For 2277/2277 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6332 event pairs, 216 based on Foata normal form. 32/1334 useless extension candidates. Maximal degree in co-relation 1688. Up to 440 conditions per place. [2024-11-10 10:30:45,515 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 50 selfloop transitions, 14 changer transitions 33/105 dead transitions. [2024-11-10 10:30:45,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 105 transitions, 723 flow [2024-11-10 10:30:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:30:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 10:30:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 182 transitions. [2024-11-10 10:30:45,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48404255319148937 [2024-11-10 10:30:45,516 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 369 flow. Second operand 8 states and 182 transitions. [2024-11-10 10:30:45,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 105 transitions, 723 flow [2024-11-10 10:30:45,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 105 transitions, 657 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 10:30:45,523 INFO L231 Difference]: Finished difference. Result has 71 places, 48 transitions, 247 flow [2024-11-10 10:30:45,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=247, PETRI_PLACES=71, PETRI_TRANSITIONS=48} [2024-11-10 10:30:45,524 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 20 predicate places. [2024-11-10 10:30:45,524 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 48 transitions, 247 flow [2024-11-10 10:30:45,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:45,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:30:45,524 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] [2024-11-10 10:30:45,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 10:30:45,525 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-10 10:30:45,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:30:45,525 INFO L85 PathProgramCache]: Analyzing trace with hash 248874422, now seen corresponding path program 3 times [2024-11-10 10:30:45,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:30:45,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169156524] [2024-11-10 10:30:45,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:30:45,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:30:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:30:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:30:45,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:30:45,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169156524] [2024-11-10 10:30:45,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169156524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:30:45,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:30:45,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 10:30:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754445785] [2024-11-10 10:30:45,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:30:45,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 10:30:45,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:30:45,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 10:30:45,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 10:30:45,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 47 [2024-11-10 10:30:45,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 48 transitions, 247 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:45,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:30:45,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 47 [2024-11-10 10:30:45,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:30:45,850 INFO L124 PetriNetUnfolderBase]: 185/377 cut-off events. [2024-11-10 10:30:45,850 INFO L125 PetriNetUnfolderBase]: For 421/421 co-relation queries the response was YES. [2024-11-10 10:30:45,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 377 events. 185/377 cut-off events. For 421/421 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1311 event pairs, 60 based on Foata normal form. 32/407 useless extension candidates. Maximal degree in co-relation 689. Up to 125 conditions per place. [2024-11-10 10:30:45,852 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2024-11-10 10:30:45,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 68 transitions, 429 flow [2024-11-10 10:30:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:30:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 10:30:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2024-11-10 10:30:45,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40691489361702127 [2024-11-10 10:30:45,854 INFO L175 Difference]: Start difference. First operand has 71 places, 48 transitions, 247 flow. Second operand 8 states and 153 transitions. [2024-11-10 10:30:45,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 68 transitions, 429 flow [2024-11-10 10:30:45,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 68 transitions, 338 flow, removed 11 selfloop flow, removed 13 redundant places. [2024-11-10 10:30:45,857 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2024-11-10 10:30:45,858 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2024-11-10 10:30:45,860 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 8 predicate places. [2024-11-10 10:30:45,860 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2024-11-10 10:30:45,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:30:45,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-10 10:30:45,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-10 10:30:45,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-10 10:30:45,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-10 10:30:45,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 10:30:45,869 INFO L407 BasicCegarLoop]: Path program histogram: [6, 3, 1] [2024-11-10 10:30:45,872 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 10:30:45,874 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 10:30:45,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:30:45 BasicIcfg [2024-11-10 10:30:45,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 10:30:45,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 10:30:45,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 10:30:45,884 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 10:30:45,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:30:39" (3/4) ... [2024-11-10 10:30:45,888 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 10:30:45,891 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 10:30:45,891 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 10:30:45,892 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 10:30:45,897 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-10 10:30:45,898 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 10:30:45,898 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 10:30:45,898 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 10:30:45,982 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 10:30:45,983 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 10:30:45,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 10:30:45,984 INFO L158 Benchmark]: Toolchain (without parser) took 7583.59ms. Allocated memory was 153.1MB in the beginning and 379.6MB in the end (delta: 226.5MB). Free memory was 82.9MB in the beginning and 266.9MB in the end (delta: -184.0MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,984 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 109.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 10:30:45,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.76ms. Allocated memory is still 153.1MB. Free memory was 82.9MB in the beginning and 69.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.69ms. Allocated memory is still 153.1MB. Free memory was 69.8MB in the beginning and 67.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,985 INFO L158 Benchmark]: Boogie Preprocessor took 50.26ms. Allocated memory is still 153.1MB. Free memory was 67.8MB in the beginning and 65.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,985 INFO L158 Benchmark]: IcfgBuilder took 665.70ms. Allocated memory is still 153.1MB. Free memory was 65.9MB in the beginning and 96.7MB in the end (delta: -30.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,986 INFO L158 Benchmark]: TraceAbstraction took 6434.99ms. Allocated memory was 153.1MB in the beginning and 379.6MB in the end (delta: 226.5MB). Free memory was 96.0MB in the beginning and 271.1MB in the end (delta: -175.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,986 INFO L158 Benchmark]: Witness Printer took 99.74ms. Allocated memory is still 379.6MB. Free memory was 271.1MB in the beginning and 266.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 10:30:45,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 109.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.76ms. Allocated memory is still 153.1MB. Free memory was 82.9MB in the beginning and 69.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.69ms. Allocated memory is still 153.1MB. Free memory was 69.8MB in the beginning and 67.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.26ms. Allocated memory is still 153.1MB. Free memory was 67.8MB in the beginning and 65.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 665.70ms. Allocated memory is still 153.1MB. Free memory was 65.9MB in the beginning and 96.7MB in the end (delta: -30.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6434.99ms. Allocated memory was 153.1MB in the beginning and 379.6MB in the end (delta: 226.5MB). Free memory was 96.0MB in the beginning and 271.1MB in the end (delta: -175.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Witness Printer took 99.74ms. Allocated memory is still 379.6MB. Free memory was 271.1MB in the beginning and 266.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 94]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 390 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1723 IncrementalHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 4 mSDtfsCounter, 1723 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=5, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 923 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 10:30:46,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE