./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.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 f0019835903a95f4d3f7c696114f56c447778d466a9f664790fb278d4bca829f --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 20:36:29,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 20:36:29,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 20:36:29,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 20:36:29,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 20:36:29,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 20:36:29,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 20:36:29,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 20:36:29,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 20:36:29,719 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 20:36:29,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 20:36:29,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 20:36:29,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 20:36:29,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 20:36:29,720 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 20:36:29,721 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 20:36:29,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 20:36:29,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 20:36:29,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 20:36:29,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 20:36:29,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 20:36:29,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 20:36:29,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> f0019835903a95f4d3f7c696114f56c447778d466a9f664790fb278d4bca829f [2025-03-16 20:36:29,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 20:36:29,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 20:36:29,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 20:36:29,947 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 20:36:29,947 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 20:36:29,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2025-03-16 20:36:31,040 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b690567/faaa974958034e3d9fb2143bf774b681/FLAGb3583b5fb [2025-03-16 20:36:31,442 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 20:36:31,443 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2025-03-16 20:36:31,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b690567/faaa974958034e3d9fb2143bf774b681/FLAGb3583b5fb [2025-03-16 20:36:31,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b690567/faaa974958034e3d9fb2143bf774b681 [2025-03-16 20:36:31,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 20:36:31,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 20:36:31,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 20:36:31,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 20:36:31,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 20:36:31,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:36:31" (1/1) ... [2025-03-16 20:36:31,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c4668b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:31, skipping insertion in model container [2025-03-16 20:36:31,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:36:31" (1/1) ... [2025-03-16 20:36:31,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 20:36:32,122 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/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c[26925,26938] [2025-03-16 20:36:32,189 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/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c[34673,34686] [2025-03-16 20:36:32,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 20:36:32,606 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 20:36:32,655 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/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c[26925,26938] [2025-03-16 20:36:32,668 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/combinations/pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c[34673,34686] [2025-03-16 20:36:32,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 20:36:32,928 INFO L204 MainTranslator]: Completed translation [2025-03-16 20:36:32,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32 WrapperNode [2025-03-16 20:36:32,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 20:36:32,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 20:36:32,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 20:36:32,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 20:36:32,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:32,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,242 INFO L138 Inliner]: procedures = 40, calls = 25, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 5286 [2025-03-16 20:36:33,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 20:36:33,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 20:36:33,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 20:36:33,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 20:36:33,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,446 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]. [2025-03-16 20:36:33,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,522 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 20:36:33,624 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 20:36:33,624 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 20:36:33,625 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 20:36:33,625 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (1/1) ... [2025-03-16 20:36:33,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 20:36:33,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 20:36:33,651 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) [2025-03-16 20:36:33,654 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 [2025-03-16 20:36:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 20:36:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 20:36:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 20:36:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 20:36:33,766 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 20:36:33,768 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 20:36:37,231 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2377: havoc calculate_output_#t~ret49#1; [2025-03-16 20:36:37,231 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3856: havoc calculate_output2_#t~ret50#1; [2025-03-16 20:36:37,231 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5346: havoc calculate_output3_#t~ret51#1; [2025-03-16 20:36:37,405 INFO L? ?]: Removed 755 outVars from TransFormulas that were not future-live. [2025-03-16 20:36:37,405 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 20:36:37,439 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 20:36:37,440 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 20:36:37,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:36:37 BoogieIcfgContainer [2025-03-16 20:36:37,441 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 20:36:37,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 20:36:37,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 20:36:37,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 20:36:37,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 08:36:31" (1/3) ... [2025-03-16 20:36:37,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a560a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:36:37, skipping insertion in model container [2025-03-16 20:36:37,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:36:32" (2/3) ... [2025-03-16 20:36:37,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a560a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:36:37, skipping insertion in model container [2025-03-16 20:36:37,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:36:37" (3/3) ... [2025-03-16 20:36:37,449 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2025-03-16 20:36:37,461 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 20:36:37,466 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals+Problem12_label09.c that has 1 procedures, 884 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2025-03-16 20:36:37,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 20:36:37,563 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;@5df2fb5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 20:36:37,563 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-16 20:36:37,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 884 states, 881 states have (on average 1.9670828603859252) internal successors, (1733), 883 states have internal predecessors, (1733), 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) [2025-03-16 20:36:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-16 20:36:37,578 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:37,578 INFO L218 NwaCegarLoop]: 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] [2025-03-16 20:36:37,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:37,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:37,582 INFO L85 PathProgramCache]: Analyzing trace with hash -39585081, now seen corresponding path program 1 times [2025-03-16 20:36:37,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:37,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279906335] [2025-03-16 20:36:37,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:37,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:37,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-16 20:36:37,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-16 20:36:37,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:37,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:37,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:37,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279906335] [2025-03-16 20:36:37,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279906335] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:37,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:37,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 20:36:37,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502102476] [2025-03-16 20:36:37,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:37,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 20:36:37,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:37,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 20:36:37,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 20:36:37,863 INFO L87 Difference]: Start difference. First operand has 884 states, 881 states have (on average 1.9670828603859252) internal successors, (1733), 883 states have internal predecessors, (1733), 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) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2025-03-16 20:36:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:37,923 INFO L93 Difference]: Finished difference Result 1703 states and 3338 transitions. [2025-03-16 20:36:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 20:36:37,925 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) Word has length 27 [2025-03-16 20:36:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:37,937 INFO L225 Difference]: With dead ends: 1703 [2025-03-16 20:36:37,937 INFO L226 Difference]: Without dead ends: 880 [2025-03-16 20:36:37,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 20:36:37,946 INFO L435 NwaCegarLoop]: 1668 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:37,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:37,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-03-16 20:36:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2025-03-16 20:36:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 878 states have (on average 1.8952164009111618) internal successors, (1664), 879 states have internal predecessors, (1664), 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) [2025-03-16 20:36:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1664 transitions. [2025-03-16 20:36:38,021 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1664 transitions. Word has length 27 [2025-03-16 20:36:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:38,021 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1664 transitions. [2025-03-16 20:36:38,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2025-03-16 20:36:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1664 transitions. [2025-03-16 20:36:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-16 20:36:38,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:38,023 INFO L218 NwaCegarLoop]: 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] [2025-03-16 20:36:38,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 20:36:38,023 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:38,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1205179400, now seen corresponding path program 1 times [2025-03-16 20:36:38,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:38,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099461567] [2025-03-16 20:36:38,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:38,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:38,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-16 20:36:38,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-16 20:36:38,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:38,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:38,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:38,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099461567] [2025-03-16 20:36:38,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099461567] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:38,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:38,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 20:36:38,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437216658] [2025-03-16 20:36:38,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:38,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 20:36:38,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:38,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 20:36:38,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:36:38,332 INFO L87 Difference]: Start difference. First operand 880 states and 1664 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-03-16 20:36:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:38,435 INFO L93 Difference]: Finished difference Result 944 states and 1766 transitions. [2025-03-16 20:36:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 20:36:38,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) Word has length 27 [2025-03-16 20:36:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:38,440 INFO L225 Difference]: With dead ends: 944 [2025-03-16 20:36:38,440 INFO L226 Difference]: Without dead ends: 880 [2025-03-16 20:36:38,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:36:38,441 INFO L435 NwaCegarLoop]: 1663 mSDtfsCounter, 0 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:38,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4924 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 20:36:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-03-16 20:36:38,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2025-03-16 20:36:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 878 states have (on average 1.825740318906606) internal successors, (1603), 879 states have internal predecessors, (1603), 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) [2025-03-16 20:36:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1603 transitions. [2025-03-16 20:36:38,464 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1603 transitions. Word has length 27 [2025-03-16 20:36:38,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:38,464 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1603 transitions. [2025-03-16 20:36:38,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-03-16 20:36:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1603 transitions. [2025-03-16 20:36:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-16 20:36:38,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:38,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:38,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 20:36:38,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:38,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1200702430, now seen corresponding path program 1 times [2025-03-16 20:36:38,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:38,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134350045] [2025-03-16 20:36:38,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:38,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:38,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-16 20:36:38,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-16 20:36:38,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:38,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:38,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134350045] [2025-03-16 20:36:38,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134350045] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:38,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712060222] [2025-03-16 20:36:38,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:38,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 20:36:38,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:38,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 20:36:38,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:36:38,700 INFO L87 Difference]: Start difference. First operand 880 states and 1603 transitions. Second operand has 4 states, 4 states have (on average 16.5) 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) [2025-03-16 20:36:43,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:43,441 INFO L93 Difference]: Finished difference Result 3135 states and 5912 transitions. [2025-03-16 20:36:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 20:36:43,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) 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) Word has length 66 [2025-03-16 20:36:43,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:43,452 INFO L225 Difference]: With dead ends: 3135 [2025-03-16 20:36:43,452 INFO L226 Difference]: Without dead ends: 2382 [2025-03-16 20:36:43,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 20:36:43,454 INFO L435 NwaCegarLoop]: 839 mSDtfsCounter, 2508 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5354 mSolverCounterSat, 1153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2508 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 6507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1153 IncrementalHoareTripleChecker+Valid, 5354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:43,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2508 Valid, 857 Invalid, 6507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1153 Valid, 5354 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-03-16 20:36:43,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2025-03-16 20:36:43,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2382. [2025-03-16 20:36:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 2380 states have (on average 1.561764705882353) internal successors, (3717), 2381 states have internal predecessors, (3717), 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) [2025-03-16 20:36:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3717 transitions. [2025-03-16 20:36:43,504 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3717 transitions. Word has length 66 [2025-03-16 20:36:43,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:43,504 INFO L471 AbstractCegarLoop]: Abstraction has 2382 states and 3717 transitions. [2025-03-16 20:36:43,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) 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) [2025-03-16 20:36:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3717 transitions. [2025-03-16 20:36:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-16 20:36:43,507 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:43,507 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:43,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 20:36:43,507 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:43,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:43,508 INFO L85 PathProgramCache]: Analyzing trace with hash 113676108, now seen corresponding path program 1 times [2025-03-16 20:36:43,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:43,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941485973] [2025-03-16 20:36:43,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:43,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:43,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-16 20:36:43,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-16 20:36:43,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:43,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:43,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:43,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941485973] [2025-03-16 20:36:43,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941485973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:43,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:43,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 20:36:43,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404815346] [2025-03-16 20:36:43,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:43,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-16 20:36:43,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:43,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-16 20:36:43,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-16 20:36:43,798 INFO L87 Difference]: Start difference. First operand 2382 states and 3717 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2025-03-16 20:36:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:44,172 INFO L93 Difference]: Finished difference Result 3358 states and 5301 transitions. [2025-03-16 20:36:44,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-16 20:36:44,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) Word has length 87 [2025-03-16 20:36:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:44,184 INFO L225 Difference]: With dead ends: 3358 [2025-03-16 20:36:44,184 INFO L226 Difference]: Without dead ends: 3297 [2025-03-16 20:36:44,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2025-03-16 20:36:44,187 INFO L435 NwaCegarLoop]: 1597 mSDtfsCounter, 13460 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13460 SdHoareTripleChecker+Valid, 5929 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:44,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13460 Valid, 5929 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-16 20:36:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3297 states. [2025-03-16 20:36:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3297 to 2441. [2025-03-16 20:36:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 2439 states have (on average 1.5633456334563345) internal successors, (3813), 2440 states have internal predecessors, (3813), 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) [2025-03-16 20:36:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3813 transitions. [2025-03-16 20:36:44,244 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3813 transitions. Word has length 87 [2025-03-16 20:36:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:44,245 INFO L471 AbstractCegarLoop]: Abstraction has 2441 states and 3813 transitions. [2025-03-16 20:36:44,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2025-03-16 20:36:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3813 transitions. [2025-03-16 20:36:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-16 20:36:44,246 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:44,246 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:44,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 20:36:44,247 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:44,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:44,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1905739598, now seen corresponding path program 1 times [2025-03-16 20:36:44,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:44,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311716039] [2025-03-16 20:36:44,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:44,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:44,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-16 20:36:44,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-16 20:36:44,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:44,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:44,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311716039] [2025-03-16 20:36:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311716039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:44,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:44,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 20:36:44,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160798913] [2025-03-16 20:36:44,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:44,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-16 20:36:44,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:44,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-16 20:36:44,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-16 20:36:44,743 INFO L87 Difference]: Start difference. First operand 2441 states and 3813 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 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) [2025-03-16 20:36:45,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:45,103 INFO L93 Difference]: Finished difference Result 2563 states and 4009 transitions. [2025-03-16 20:36:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-16 20:36:45,103 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 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) Word has length 89 [2025-03-16 20:36:45,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:45,111 INFO L225 Difference]: With dead ends: 2563 [2025-03-16 20:36:45,111 INFO L226 Difference]: Without dead ends: 2443 [2025-03-16 20:36:45,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2025-03-16 20:36:45,113 INFO L435 NwaCegarLoop]: 1593 mSDtfsCounter, 10633 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10633 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:45,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10633 Valid, 2268 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 20:36:45,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2025-03-16 20:36:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 2441. [2025-03-16 20:36:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 2439 states have (on average 1.5629356293562935) internal successors, (3812), 2440 states have internal predecessors, (3812), 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) [2025-03-16 20:36:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3812 transitions. [2025-03-16 20:36:45,154 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3812 transitions. Word has length 89 [2025-03-16 20:36:45,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:45,154 INFO L471 AbstractCegarLoop]: Abstraction has 2441 states and 3812 transitions. [2025-03-16 20:36:45,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 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) [2025-03-16 20:36:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3812 transitions. [2025-03-16 20:36:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-16 20:36:45,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:45,155 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:45,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 20:36:45,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:45,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1904696913, now seen corresponding path program 1 times [2025-03-16 20:36:45,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:45,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115623947] [2025-03-16 20:36:45,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:45,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-16 20:36:45,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-16 20:36:45,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:45,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:45,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:45,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115623947] [2025-03-16 20:36:45,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115623947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:45,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:45,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:45,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502820883] [2025-03-16 20:36:45,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:45,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:45,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:45,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:45,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:45,275 INFO L87 Difference]: Start difference. First operand 2441 states and 3812 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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) [2025-03-16 20:36:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:45,306 INFO L93 Difference]: Finished difference Result 2670 states and 4181 transitions. [2025-03-16 20:36:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:45,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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) Word has length 89 [2025-03-16 20:36:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:45,313 INFO L225 Difference]: With dead ends: 2670 [2025-03-16 20:36:45,314 INFO L226 Difference]: Without dead ends: 2550 [2025-03-16 20:36:45,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:45,315 INFO L435 NwaCegarLoop]: 1599 mSDtfsCounter, 1506 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:45,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 1691 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:45,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2025-03-16 20:36:45,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 2546. [2025-03-16 20:36:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 2544 states have (on average 1.564072327044025) internal successors, (3979), 2545 states have internal predecessors, (3979), 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) [2025-03-16 20:36:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3979 transitions. [2025-03-16 20:36:45,353 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3979 transitions. Word has length 89 [2025-03-16 20:36:45,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:45,354 INFO L471 AbstractCegarLoop]: Abstraction has 2546 states and 3979 transitions. [2025-03-16 20:36:45,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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) [2025-03-16 20:36:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3979 transitions. [2025-03-16 20:36:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-16 20:36:45,355 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:45,355 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:45,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 20:36:45,355 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:45,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1050629546, now seen corresponding path program 1 times [2025-03-16 20:36:45,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:45,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720493365] [2025-03-16 20:36:45,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:45,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-16 20:36:45,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-16 20:36:45,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:45,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:45,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:45,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720493365] [2025-03-16 20:36:45,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720493365] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:45,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:45,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-16 20:36:45,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633498830] [2025-03-16 20:36:45,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:45,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 20:36:45,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:45,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 20:36:45,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 20:36:45,600 INFO L87 Difference]: Start difference. First operand 2546 states and 3979 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2025-03-16 20:36:45,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:45,637 INFO L93 Difference]: Finished difference Result 2552 states and 3986 transitions. [2025-03-16 20:36:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 20:36:45,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) Word has length 90 [2025-03-16 20:36:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:45,645 INFO L225 Difference]: With dead ends: 2552 [2025-03-16 20:36:45,645 INFO L226 Difference]: Without dead ends: 2550 [2025-03-16 20:36:45,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 20:36:45,647 INFO L435 NwaCegarLoop]: 1599 mSDtfsCounter, 0 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7984 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:45,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7984 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:45,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2025-03-16 20:36:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 2550. [2025-03-16 20:36:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2548 states have (on average 1.5627943485086342) internal successors, (3982), 2549 states have internal predecessors, (3982), 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) [2025-03-16 20:36:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3982 transitions. [2025-03-16 20:36:45,685 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3982 transitions. Word has length 90 [2025-03-16 20:36:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:45,685 INFO L471 AbstractCegarLoop]: Abstraction has 2550 states and 3982 transitions. [2025-03-16 20:36:45,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2025-03-16 20:36:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3982 transitions. [2025-03-16 20:36:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:45,687 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:45,687 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:45,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-16 20:36:45,687 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:45,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:45,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1274985008, now seen corresponding path program 1 times [2025-03-16 20:36:45,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:45,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647541447] [2025-03-16 20:36:45,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:45,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:45,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:45,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:45,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:45,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:45,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:45,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647541447] [2025-03-16 20:36:45,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647541447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:45,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:45,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:45,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518924448] [2025-03-16 20:36:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:45,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:45,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:45,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:45,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:45,787 INFO L87 Difference]: Start difference. First operand 2550 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:45,809 INFO L93 Difference]: Finished difference Result 2992 states and 4682 transitions. [2025-03-16 20:36:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:45,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:45,817 INFO L225 Difference]: With dead ends: 2992 [2025-03-16 20:36:45,817 INFO L226 Difference]: Without dead ends: 2763 [2025-03-16 20:36:45,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:45,819 INFO L435 NwaCegarLoop]: 1679 mSDtfsCounter, 1525 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:45,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 1783 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:45,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2025-03-16 20:36:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2761. [2025-03-16 20:36:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2759 states have (on average 1.563247553461399) internal successors, (4313), 2760 states have internal predecessors, (4313), 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) [2025-03-16 20:36:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 4313 transitions. [2025-03-16 20:36:45,856 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 4313 transitions. Word has length 91 [2025-03-16 20:36:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:45,857 INFO L471 AbstractCegarLoop]: Abstraction has 2761 states and 4313 transitions. [2025-03-16 20:36:45,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 4313 transitions. [2025-03-16 20:36:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:45,858 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:45,858 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:45,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-16 20:36:45,858 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:45,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1254499024, now seen corresponding path program 1 times [2025-03-16 20:36:45,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:45,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800858549] [2025-03-16 20:36:45,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:45,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:45,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:45,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:45,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:45,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:45,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:45,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800858549] [2025-03-16 20:36:45,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800858549] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:45,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:45,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:45,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441297520] [2025-03-16 20:36:45,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:45,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:45,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:45,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:45,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:45,925 INFO L87 Difference]: Start difference. First operand 2761 states and 4313 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:45,955 INFO L93 Difference]: Finished difference Result 3609 states and 5647 transitions. [2025-03-16 20:36:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:45,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:45,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:45,964 INFO L225 Difference]: With dead ends: 3609 [2025-03-16 20:36:45,964 INFO L226 Difference]: Without dead ends: 3169 [2025-03-16 20:36:45,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:45,966 INFO L435 NwaCegarLoop]: 1677 mSDtfsCounter, 1523 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:45,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1785 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:45,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3169 states. [2025-03-16 20:36:46,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3169 to 3167. [2025-03-16 20:36:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 3165 states have (on average 1.5617693522906793) internal successors, (4943), 3166 states have internal predecessors, (4943), 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) [2025-03-16 20:36:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 4943 transitions. [2025-03-16 20:36:46,017 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 4943 transitions. Word has length 91 [2025-03-16 20:36:46,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:46,017 INFO L471 AbstractCegarLoop]: Abstraction has 3167 states and 4943 transitions. [2025-03-16 20:36:46,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 4943 transitions. [2025-03-16 20:36:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:46,018 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:46,018 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:46,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-16 20:36:46,018 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:46,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:46,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1759625264, now seen corresponding path program 1 times [2025-03-16 20:36:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:46,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978709218] [2025-03-16 20:36:46,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:46,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:46,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:46,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:46,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:46,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:46,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978709218] [2025-03-16 20:36:46,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978709218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:46,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:46,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:46,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427922504] [2025-03-16 20:36:46,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:46,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:46,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:46,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:46,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,084 INFO L87 Difference]: Start difference. First operand 3167 states and 4943 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:46,122 INFO L93 Difference]: Finished difference Result 4795 states and 7481 transitions. [2025-03-16 20:36:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:46,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:46,140 INFO L225 Difference]: With dead ends: 4795 [2025-03-16 20:36:46,140 INFO L226 Difference]: Without dead ends: 3949 [2025-03-16 20:36:46,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,143 INFO L435 NwaCegarLoop]: 1675 mSDtfsCounter, 1521 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:46,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 1787 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:46,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3949 states. [2025-03-16 20:36:46,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3947. [2025-03-16 20:36:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3945 states have (on average 1.5561470215462612) internal successors, (6139), 3946 states have internal predecessors, (6139), 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) [2025-03-16 20:36:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6139 transitions. [2025-03-16 20:36:46,220 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6139 transitions. Word has length 91 [2025-03-16 20:36:46,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:46,220 INFO L471 AbstractCegarLoop]: Abstraction has 3947 states and 6139 transitions. [2025-03-16 20:36:46,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6139 transitions. [2025-03-16 20:36:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:46,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:46,221 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:46,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-16 20:36:46,222 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:46,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:46,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1691983056, now seen corresponding path program 1 times [2025-03-16 20:36:46,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:46,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811282134] [2025-03-16 20:36:46,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:46,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:46,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:46,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:46,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:46,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:46,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:46,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811282134] [2025-03-16 20:36:46,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811282134] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:46,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:46,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:46,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539194077] [2025-03-16 20:36:46,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:46,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:46,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:46,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:46,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,283 INFO L87 Difference]: Start difference. First operand 3947 states and 6139 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:46,332 INFO L93 Difference]: Finished difference Result 7071 states and 10957 transitions. [2025-03-16 20:36:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:46,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:46,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:46,346 INFO L225 Difference]: With dead ends: 7071 [2025-03-16 20:36:46,346 INFO L226 Difference]: Without dead ends: 5445 [2025-03-16 20:36:46,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,350 INFO L435 NwaCegarLoop]: 1673 mSDtfsCounter, 1519 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:46,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 1789 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:46,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2025-03-16 20:36:46,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5443. [2025-03-16 20:36:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5441 states have (on average 1.5443852233045396) internal successors, (8403), 5442 states have internal predecessors, (8403), 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) [2025-03-16 20:36:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 8403 transitions. [2025-03-16 20:36:46,463 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 8403 transitions. Word has length 91 [2025-03-16 20:36:46,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:46,463 INFO L471 AbstractCegarLoop]: Abstraction has 5443 states and 8403 transitions. [2025-03-16 20:36:46,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 8403 transitions. [2025-03-16 20:36:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:46,464 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:46,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:46,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-16 20:36:46,465 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:46,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:46,465 INFO L85 PathProgramCache]: Analyzing trace with hash -934942416, now seen corresponding path program 1 times [2025-03-16 20:36:46,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:46,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149444004] [2025-03-16 20:36:46,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:46,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:46,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:46,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:46,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:46,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:46,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:46,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149444004] [2025-03-16 20:36:46,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149444004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:46,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:46,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:46,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372443537] [2025-03-16 20:36:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:46,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:46,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:46,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:46,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,530 INFO L87 Difference]: Start difference. First operand 5443 states and 8403 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:46,652 INFO L93 Difference]: Finished difference Result 11431 states and 17525 transitions. [2025-03-16 20:36:46,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:46,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:46,671 INFO L225 Difference]: With dead ends: 11431 [2025-03-16 20:36:46,671 INFO L226 Difference]: Without dead ends: 8309 [2025-03-16 20:36:46,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,676 INFO L435 NwaCegarLoop]: 1661 mSDtfsCounter, 1515 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:46,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1785 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:46,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8309 states. [2025-03-16 20:36:46,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8309 to 8307. [2025-03-16 20:36:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8307 states, 8305 states have (on average 1.5261890427453342) internal successors, (12675), 8306 states have internal predecessors, (12675), 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) [2025-03-16 20:36:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8307 states to 8307 states and 12675 transitions. [2025-03-16 20:36:46,896 INFO L78 Accepts]: Start accepts. Automaton has 8307 states and 12675 transitions. Word has length 91 [2025-03-16 20:36:46,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:46,897 INFO L471 AbstractCegarLoop]: Abstraction has 8307 states and 12675 transitions. [2025-03-16 20:36:46,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 8307 states and 12675 transitions. [2025-03-16 20:36:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:46,898 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:46,898 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:46,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-16 20:36:46,898 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:46,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:46,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1484731344, now seen corresponding path program 1 times [2025-03-16 20:36:46,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:46,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979691489] [2025-03-16 20:36:46,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:46,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:46,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:46,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:46,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:46,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:46,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:46,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979691489] [2025-03-16 20:36:46,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979691489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:46,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206028432] [2025-03-16 20:36:46,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:46,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:46,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:46,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:46,982 INFO L87 Difference]: Start difference. First operand 8307 states and 12675 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:47,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:47,109 INFO L93 Difference]: Finished difference Result 19767 states and 29893 transitions. [2025-03-16 20:36:47,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:47,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:47,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:47,134 INFO L225 Difference]: With dead ends: 19767 [2025-03-16 20:36:47,134 INFO L226 Difference]: Without dead ends: 13781 [2025-03-16 20:36:47,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:47,144 INFO L435 NwaCegarLoop]: 1659 mSDtfsCounter, 1513 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:47,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 1787 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:47,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13781 states. [2025-03-16 20:36:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13781 to 13779. [2025-03-16 20:36:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13779 states, 13777 states have (on average 1.503012266821514) internal successors, (20707), 13778 states have internal predecessors, (20707), 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) [2025-03-16 20:36:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13779 states to 13779 states and 20707 transitions. [2025-03-16 20:36:47,392 INFO L78 Accepts]: Start accepts. Automaton has 13779 states and 20707 transitions. Word has length 91 [2025-03-16 20:36:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:47,392 INFO L471 AbstractCegarLoop]: Abstraction has 13779 states and 20707 transitions. [2025-03-16 20:36:47,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 13779 states and 20707 transitions. [2025-03-16 20:36:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-16 20:36:47,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:47,393 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:47,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-16 20:36:47,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:47,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:47,394 INFO L85 PathProgramCache]: Analyzing trace with hash -868760016, now seen corresponding path program 1 times [2025-03-16 20:36:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:47,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561553447] [2025-03-16 20:36:47,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:47,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:47,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-16 20:36:47,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-16 20:36:47,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:47,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:47,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:47,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561553447] [2025-03-16 20:36:47,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561553447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:47,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:47,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:47,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336578292] [2025-03-16 20:36:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:47,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:47,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:47,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:47,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:47,458 INFO L87 Difference]: Start difference. First operand 13779 states and 20707 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:47,720 INFO L93 Difference]: Finished difference Result 35671 states and 53093 transitions. [2025-03-16 20:36:47,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:47,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) Word has length 91 [2025-03-16 20:36:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:47,760 INFO L225 Difference]: With dead ends: 35671 [2025-03-16 20:36:47,760 INFO L226 Difference]: Without dead ends: 24213 [2025-03-16 20:36:47,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:47,777 INFO L435 NwaCegarLoop]: 1671 mSDtfsCounter, 1517 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:47,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 1791 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:47,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24213 states. [2025-03-16 20:36:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24213 to 24211. [2025-03-16 20:36:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24211 states, 24209 states have (on average 1.4765996117146516) internal successors, (35747), 24210 states have internal predecessors, (35747), 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) [2025-03-16 20:36:48,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24211 states to 24211 states and 35747 transitions. [2025-03-16 20:36:48,348 INFO L78 Accepts]: Start accepts. Automaton has 24211 states and 35747 transitions. Word has length 91 [2025-03-16 20:36:48,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:48,348 INFO L471 AbstractCegarLoop]: Abstraction has 24211 states and 35747 transitions. [2025-03-16 20:36:48,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2025-03-16 20:36:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 24211 states and 35747 transitions. [2025-03-16 20:36:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-16 20:36:48,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:48,349 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:48,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-16 20:36:48,350 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:48,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:48,350 INFO L85 PathProgramCache]: Analyzing trace with hash -164853808, now seen corresponding path program 1 times [2025-03-16 20:36:48,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:48,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538929886] [2025-03-16 20:36:48,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:48,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:48,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-16 20:36:48,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-16 20:36:48,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:48,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:36:48,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:48,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538929886] [2025-03-16 20:36:48,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538929886] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:48,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:48,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:36:48,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486923413] [2025-03-16 20:36:48,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:48,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 20:36:48,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:48,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 20:36:48,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:48,409 INFO L87 Difference]: Start difference. First operand 24211 states and 35747 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2025-03-16 20:36:48,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:48,892 INFO L93 Difference]: Finished difference Result 46746 states and 69289 transitions. [2025-03-16 20:36:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 20:36:48,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) Word has length 93 [2025-03-16 20:36:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:48,948 INFO L225 Difference]: With dead ends: 46746 [2025-03-16 20:36:48,948 INFO L226 Difference]: Without dead ends: 34711 [2025-03-16 20:36:48,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 20:36:48,961 INFO L435 NwaCegarLoop]: 1684 mSDtfsCounter, 1524 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:48,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 1784 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 20:36:48,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34711 states. [2025-03-16 20:36:49,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34711 to 34709. [2025-03-16 20:36:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34709 states, 34707 states have (on average 1.4688967643414874) internal successors, (50981), 34708 states have internal predecessors, (50981), 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) [2025-03-16 20:36:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34709 states to 34709 states and 50981 transitions. [2025-03-16 20:36:49,694 INFO L78 Accepts]: Start accepts. Automaton has 34709 states and 50981 transitions. Word has length 93 [2025-03-16 20:36:49,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:49,694 INFO L471 AbstractCegarLoop]: Abstraction has 34709 states and 50981 transitions. [2025-03-16 20:36:49,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2025-03-16 20:36:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 34709 states and 50981 transitions. [2025-03-16 20:36:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-16 20:36:49,700 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:49,701 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:49,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-16 20:36:49,701 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:49,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash -675466654, now seen corresponding path program 1 times [2025-03-16 20:36:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:49,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843040008] [2025-03-16 20:36:49,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:49,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:49,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-16 20:36:49,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-16 20:36:49,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:49,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-16 20:36:49,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:49,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843040008] [2025-03-16 20:36:49,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843040008] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:49,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:49,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 20:36:49,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233129599] [2025-03-16 20:36:49,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:49,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-16 20:36:49,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:49,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-16 20:36:49,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-16 20:36:49,980 INFO L87 Difference]: Start difference. First operand 34709 states and 50981 transitions. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 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) [2025-03-16 20:36:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:36:53,652 INFO L93 Difference]: Finished difference Result 300199 states and 438958 transitions. [2025-03-16 20:36:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-16 20:36:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 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) Word has length 115 [2025-03-16 20:36:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:36:54,211 INFO L225 Difference]: With dead ends: 300199 [2025-03-16 20:36:54,212 INFO L226 Difference]: Without dead ends: 267813 [2025-03-16 20:36:54,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2025-03-16 20:36:54,272 INFO L435 NwaCegarLoop]: 1705 mSDtfsCounter, 11723 mSDsluCounter, 3496 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11723 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 20:36:54,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11723 Valid, 5201 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 20:36:54,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267813 states. [2025-03-16 20:36:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267813 to 67093. [2025-03-16 20:36:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67093 states, 67091 states have (on average 1.460061707233459) internal successors, (97957), 67092 states have internal predecessors, (97957), 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) [2025-03-16 20:36:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67093 states to 67093 states and 97957 transitions. [2025-03-16 20:36:57,198 INFO L78 Accepts]: Start accepts. Automaton has 67093 states and 97957 transitions. Word has length 115 [2025-03-16 20:36:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:36:57,199 INFO L471 AbstractCegarLoop]: Abstraction has 67093 states and 97957 transitions. [2025-03-16 20:36:57,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 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) [2025-03-16 20:36:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 67093 states and 97957 transitions. [2025-03-16 20:36:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-16 20:36:57,205 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:36:57,205 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:36:57,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-16 20:36:57,205 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:36:57,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:36:57,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1090016610, now seen corresponding path program 1 times [2025-03-16 20:36:57,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:36:57,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301810900] [2025-03-16 20:36:57,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:36:57,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:36:57,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-16 20:36:57,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-16 20:36:57,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:36:57,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:36:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-16 20:36:57,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:36:57,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301810900] [2025-03-16 20:36:57,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301810900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:36:57,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:36:57,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 20:36:57,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797997531] [2025-03-16 20:36:57,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:36:57,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-16 20:36:57,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:36:57,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-16 20:36:57,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-16 20:36:57,475 INFO L87 Difference]: Start difference. First operand 67093 states and 97957 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2025-03-16 20:37:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:37:02,970 INFO L93 Difference]: Finished difference Result 332583 states and 485934 transitions. [2025-03-16 20:37:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-16 20:37:02,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) Word has length 115 [2025-03-16 20:37:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:37:03,469 INFO L225 Difference]: With dead ends: 332583 [2025-03-16 20:37:03,469 INFO L226 Difference]: Without dead ends: 300197 [2025-03-16 20:37:03,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2025-03-16 20:37:03,540 INFO L435 NwaCegarLoop]: 1702 mSDtfsCounter, 11751 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11751 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 20:37:03,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11751 Valid, 5000 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 20:37:03,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300197 states. [2025-03-16 20:37:07,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300197 to 115733. [2025-03-16 20:37:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115733 states, 115731 states have (on average 1.4525148836526083) internal successors, (168101), 115732 states have internal predecessors, (168101), 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) [2025-03-16 20:37:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115733 states to 115733 states and 168101 transitions. [2025-03-16 20:37:07,906 INFO L78 Accepts]: Start accepts. Automaton has 115733 states and 168101 transitions. Word has length 115 [2025-03-16 20:37:07,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:37:07,906 INFO L471 AbstractCegarLoop]: Abstraction has 115733 states and 168101 transitions. [2025-03-16 20:37:07,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2025-03-16 20:37:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 115733 states and 168101 transitions. [2025-03-16 20:37:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-16 20:37:07,913 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:37:07,913 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:37:07,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-16 20:37:07,913 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:37:07,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:37:07,913 INFO L85 PathProgramCache]: Analyzing trace with hash -190826398, now seen corresponding path program 1 times [2025-03-16 20:37:07,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:37:07,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756300465] [2025-03-16 20:37:07,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:37:07,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:37:07,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-16 20:37:07,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-16 20:37:07,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:37:07,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:37:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-16 20:37:08,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:37:08,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756300465] [2025-03-16 20:37:08,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756300465] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:37:08,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:37:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 20:37:08,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901440104] [2025-03-16 20:37:08,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:37:08,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-16 20:37:08,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:37:08,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-16 20:37:08,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-16 20:37:08,098 INFO L87 Difference]: Start difference. First operand 115733 states and 168101 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) [2025-03-16 20:37:14,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:37:14,456 INFO L93 Difference]: Finished difference Result 364967 states and 532910 transitions. [2025-03-16 20:37:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-16 20:37:14,457 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 115 [2025-03-16 20:37:14,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:37:14,892 INFO L225 Difference]: With dead ends: 364967 [2025-03-16 20:37:14,892 INFO L226 Difference]: Without dead ends: 332581 [2025-03-16 20:37:14,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2025-03-16 20:37:14,979 INFO L435 NwaCegarLoop]: 1699 mSDtfsCounter, 11787 mSDsluCounter, 3234 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11787 SdHoareTripleChecker+Valid, 4933 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 20:37:14,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11787 Valid, 4933 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 20:37:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332581 states. [2025-03-16 20:37:19,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332581 to 148117. [2025-03-16 20:37:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148117 states, 148115 states have (on average 1.4520946561793202) internal successors, (215077), 148116 states have internal predecessors, (215077), 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)