./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem19_label03.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 26e05216e875976d2a927f5405c2e5bc5a3ea5afc4bbe64c3ca3f67a96ae3961 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 12:14:02,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 12:14:03,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 12:14:03,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 12:14:03,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 12:14:03,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 12:14:03,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 12:14:03,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 12:14:03,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 12:14:03,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 12:14:03,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 12:14:03,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 12:14:03,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 12:14:03,030 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:14:03,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 12:14:03,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 12:14:03,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 12:14:03,031 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-jdk21/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 -> 26e05216e875976d2a927f5405c2e5bc5a3ea5afc4bbe64c3ca3f67a96ae3961 [2025-02-05 12:14:03,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 12:14:03,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 12:14:03,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 12:14:03,225 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 12:14:03,226 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 12:14:03,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label03.c [2025-02-05 12:14:04,309 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35d09c5d0/d528bab09ed24c27af3e4e6a8ce2aef9/FLAG94e1a940e [2025-02-05 12:14:04,881 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 12:14:04,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label03.c [2025-02-05 12:14:04,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35d09c5d0/d528bab09ed24c27af3e4e6a8ce2aef9/FLAG94e1a940e [2025-02-05 12:14:05,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35d09c5d0/d528bab09ed24c27af3e4e6a8ce2aef9 [2025-02-05 12:14:05,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 12:14:05,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 12:14:05,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 12:14:05,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 12:14:05,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 12:14:05,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:14:05" (1/1) ... [2025-02-05 12:14:05,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73644331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:05, skipping insertion in model container [2025-02-05 12:14:05,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:14:05" (1/1) ... [2025-02-05 12:14:05,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 12:14:05,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label03.c[7444,7457] [2025-02-05 12:14:06,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:14:06,495 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 12:14:06,514 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label03.c[7444,7457] [2025-02-05 12:14:06,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:14:06,969 INFO L204 MainTranslator]: Completed translation [2025-02-05 12:14:06,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06 WrapperNode [2025-02-05 12:14:06,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 12:14:06,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 12:14:06,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 12:14:06,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 12:14:06,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:07,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:07,563 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9428 [2025-02-05 12:14:07,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 12:14:07,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 12:14:07,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 12:14:07,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 12:14:07,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:07,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:07,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,047 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]. [2025-02-05 12:14:08,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 12:14:08,458 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 12:14:08,458 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 12:14:08,459 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 12:14:08,459 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (1/1) ... [2025-02-05 12:14:08,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:14:08,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:14:08,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 12:14:08,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 12:14:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 12:14:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 12:14:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 12:14:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 12:14:08,558 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 12:14:08,559 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 12:14:14,404 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6717: havoc calculate_output4_#t~ret14#1; [2025-02-05 12:14:14,405 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3435: havoc calculate_output2_#t~ret12#1; [2025-02-05 12:14:14,405 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1859: havoc calculate_output_#t~ret11#1; [2025-02-05 12:14:14,405 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8350: havoc calculate_output5_#t~ret15#1; [2025-02-05 12:14:14,405 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5079: havoc calculate_output3_#t~ret13#1; [2025-02-05 12:14:14,697 INFO L? ?]: Removed 1320 outVars from TransFormulas that were not future-live. [2025-02-05 12:14:14,697 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 12:14:14,742 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 12:14:14,745 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 12:14:14,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:14:14 BoogieIcfgContainer [2025-02-05 12:14:14,746 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 12:14:14,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 12:14:14,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 12:14:14,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 12:14:14,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 12:14:05" (1/3) ... [2025-02-05 12:14:14,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430f06b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:14:14, skipping insertion in model container [2025-02-05 12:14:14,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:14:06" (2/3) ... [2025-02-05 12:14:14,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430f06b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:14:14, skipping insertion in model container [2025-02-05 12:14:14,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:14:14" (3/3) ... [2025-02-05 12:14:14,753 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem19_label03.c [2025-02-05 12:14:14,763 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 12:14:14,765 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem19_label03.c that has 1 procedures, 1748 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 12:14:14,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 12:14:14,849 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;@53b96c91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 12:14:14,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 12:14:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 1748 states, 1746 states have (on average 1.8694158075601375) internal successors, (3264), 1747 states have internal predecessors, (3264), 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) [2025-02-05 12:14:14,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-05 12:14:14,865 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:14,866 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] [2025-02-05 12:14:14,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:14,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:14,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1766026996, now seen corresponding path program 1 times [2025-02-05 12:14:14,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:14,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064933753] [2025-02-05 12:14:14,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:14,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:14,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-05 12:14:14,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-05 12:14:14,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:14,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:14:15,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:14:15,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064933753] [2025-02-05 12:14:15,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064933753] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:14:15,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:14:15,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 12:14:15,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013248672] [2025-02-05 12:14:15,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:14:15,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 12:14:15,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:14:15,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 12:14:15,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:14:15,341 INFO L87 Difference]: Start difference. First operand has 1748 states, 1746 states have (on average 1.8694158075601375) internal successors, (3264), 1747 states have internal predecessors, (3264), 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 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 12:14:25,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:14:25,554 INFO L93 Difference]: Finished difference Result 6284 states and 12035 transitions. [2025-02-05 12:14:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 12:14:25,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2025-02-05 12:14:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:14:25,579 INFO L225 Difference]: With dead ends: 6284 [2025-02-05 12:14:25,579 INFO L226 Difference]: Without dead ends: 4467 [2025-02-05 12:14:25,583 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 [2025-02-05 12:14:25,585 INFO L435 NwaCegarLoop]: 1815 mSDtfsCounter, 4227 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 10828 mSolverCounterSat, 2355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 13183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2355 IncrementalHoareTripleChecker+Valid, 10828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2025-02-05 12:14:25,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4227 Valid, 2096 Invalid, 13183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2355 Valid, 10828 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2025-02-05 12:14:25,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4467 states. [2025-02-05 12:14:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4467 to 4465. [2025-02-05 12:14:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4465 states, 4464 states have (on average 1.564516129032258) internal successors, (6984), 4464 states have internal predecessors, (6984), 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) [2025-02-05 12:14:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6984 transitions. [2025-02-05 12:14:25,731 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6984 transitions. Word has length 57 [2025-02-05 12:14:25,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:14:25,732 INFO L471 AbstractCegarLoop]: Abstraction has 4465 states and 6984 transitions. [2025-02-05 12:14:25,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 12:14:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6984 transitions. [2025-02-05 12:14:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2025-02-05 12:14:25,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:25,743 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:14:25,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 12:14:25,743 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:25,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:25,744 INFO L85 PathProgramCache]: Analyzing trace with hash -754510370, now seen corresponding path program 1 times [2025-02-05 12:14:25,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:25,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602365547] [2025-02-05 12:14:25,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:25,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:25,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 264 statements into 1 equivalence classes. [2025-02-05 12:14:25,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 264 of 264 statements. [2025-02-05 12:14:25,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:25,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:14:26,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:14:26,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602365547] [2025-02-05 12:14:26,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602365547] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:14:26,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:14:26,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 12:14:26,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867370938] [2025-02-05 12:14:26,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:14:26,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 12:14:26,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:14:26,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 12:14:26,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:14:26,650 INFO L87 Difference]: Start difference. First operand 4465 states and 6984 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2025-02-05 12:14:34,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:14:34,994 INFO L93 Difference]: Finished difference Result 11708 states and 20176 transitions. [2025-02-05 12:14:34,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 12:14:34,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 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 264 [2025-02-05 12:14:35,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:14:35,061 INFO L225 Difference]: With dead ends: 11708 [2025-02-05 12:14:35,064 INFO L226 Difference]: Without dead ends: 8610 [2025-02-05 12:14:35,072 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 [2025-02-05 12:14:35,073 INFO L435 NwaCegarLoop]: 1805 mSDtfsCounter, 3758 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 9457 mSolverCounterSat, 1336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 10793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1336 IncrementalHoareTripleChecker+Valid, 9457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2025-02-05 12:14:35,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3758 Valid, 2161 Invalid, 10793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1336 Valid, 9457 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2025-02-05 12:14:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8610 states. [2025-02-05 12:14:35,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8610 to 8594. [2025-02-05 12:14:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8594 states, 8593 states have (on average 1.3481903875247294) internal successors, (11585), 8593 states have internal predecessors, (11585), 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) [2025-02-05 12:14:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 11585 transitions. [2025-02-05 12:14:35,242 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 11585 transitions. Word has length 264 [2025-02-05 12:14:35,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:14:35,243 INFO L471 AbstractCegarLoop]: Abstraction has 8594 states and 11585 transitions. [2025-02-05 12:14:35,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2025-02-05 12:14:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 11585 transitions. [2025-02-05 12:14:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-02-05 12:14:35,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:35,245 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:14:35,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 12:14:35,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:35,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:35,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2041332724, now seen corresponding path program 1 times [2025-02-05 12:14:35,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:35,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521707749] [2025-02-05 12:14:35,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:35,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-02-05 12:14:35,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-02-05 12:14:35,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:35,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:14:35,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:14:35,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521707749] [2025-02-05 12:14:35,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521707749] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:14:35,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:14:35,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 12:14:35,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383918886] [2025-02-05 12:14:35,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:14:35,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 12:14:35,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:14:35,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 12:14:35,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:14:35,658 INFO L87 Difference]: Start difference. First operand 8594 states and 11585 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 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) [2025-02-05 12:14:40,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:14:40,970 INFO L93 Difference]: Finished difference Result 14487 states and 20451 transitions. [2025-02-05 12:14:40,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 12:14:40,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 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 292 [2025-02-05 12:14:40,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:14:41,006 INFO L225 Difference]: With dead ends: 14487 [2025-02-05 12:14:41,006 INFO L226 Difference]: Without dead ends: 8594 [2025-02-05 12:14:41,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:14:41,023 INFO L435 NwaCegarLoop]: 1775 mSDtfsCounter, 1138 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 7325 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 7333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-02-05 12:14:41,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 2117 Invalid, 7333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 7325 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2025-02-05 12:14:41,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8594 states. [2025-02-05 12:14:41,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8594 to 8594. [2025-02-05 12:14:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8594 states, 8593 states have (on average 1.3466775282206447) internal successors, (11572), 8593 states have internal predecessors, (11572), 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) [2025-02-05 12:14:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 11572 transitions. [2025-02-05 12:14:41,322 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 11572 transitions. Word has length 292 [2025-02-05 12:14:41,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:14:41,322 INFO L471 AbstractCegarLoop]: Abstraction has 8594 states and 11572 transitions. [2025-02-05 12:14:41,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 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) [2025-02-05 12:14:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 11572 transitions. [2025-02-05 12:14:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2025-02-05 12:14:41,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:41,337 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:14:41,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 12:14:41,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:41,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:41,342 INFO L85 PathProgramCache]: Analyzing trace with hash 345170514, now seen corresponding path program 1 times [2025-02-05 12:14:41,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:41,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495722368] [2025-02-05 12:14:41,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:41,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:41,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 613 statements into 1 equivalence classes. [2025-02-05 12:14:41,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 613 of 613 statements. [2025-02-05 12:14:41,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:41,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 109 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-05 12:14:42,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:14:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495722368] [2025-02-05 12:14:42,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495722368] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 12:14:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491254932] [2025-02-05 12:14:42,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:42,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 12:14:42,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:14:42,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 12:14:42,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 12:14:42,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 613 statements into 1 equivalence classes. [2025-02-05 12:14:42,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 613 of 613 statements. [2025-02-05 12:14:42,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:42,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:42,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 12:14:42,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:14:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:14:42,627 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:14:42,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491254932] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:14:42,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 12:14:42,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2025-02-05 12:14:42,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4256169] [2025-02-05 12:14:42,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:14:42,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 12:14:42,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:14:42,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 12:14:42,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-05 12:14:42,629 INFO L87 Difference]: Start difference. First operand 8594 states and 11572 transitions. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2025-02-05 12:14:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:14:47,252 INFO L93 Difference]: Finished difference Result 19934 states and 28696 transitions. [2025-02-05 12:14:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 12:14:47,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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 613 [2025-02-05 12:14:47,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:14:47,295 INFO L225 Difference]: With dead ends: 19934 [2025-02-05 12:14:47,295 INFO L226 Difference]: Without dead ends: 14072 [2025-02-05 12:14:47,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-05 12:14:47,303 INFO L435 NwaCegarLoop]: 1307 mSDtfsCounter, 1775 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 3854 mSolverCounterSat, 1728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 5582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 3854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-02-05 12:14:47,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 1445 Invalid, 5582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1728 Valid, 3854 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-02-05 12:14:47,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14072 states. [2025-02-05 12:14:47,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14072 to 14072. [2025-02-05 12:14:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14072 states, 14071 states have (on average 1.2692772368701586) internal successors, (17860), 14071 states have internal predecessors, (17860), 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) [2025-02-05 12:14:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14072 states to 14072 states and 17860 transitions. [2025-02-05 12:14:47,445 INFO L78 Accepts]: Start accepts. Automaton has 14072 states and 17860 transitions. Word has length 613 [2025-02-05 12:14:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:14:47,446 INFO L471 AbstractCegarLoop]: Abstraction has 14072 states and 17860 transitions. [2025-02-05 12:14:47,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2025-02-05 12:14:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14072 states and 17860 transitions. [2025-02-05 12:14:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2025-02-05 12:14:47,457 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:47,457 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:14:47,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-05 12:14:47,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 12:14:47,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:47,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1220442606, now seen corresponding path program 1 times [2025-02-05 12:14:47,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:47,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324251693] [2025-02-05 12:14:47,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:47,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:47,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 618 statements into 1 equivalence classes. [2025-02-05 12:14:47,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 618 of 618 statements. [2025-02-05 12:14:47,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:47,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:14:48,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:14:48,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324251693] [2025-02-05 12:14:48,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324251693] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:14:48,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:14:48,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 12:14:48,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094178106] [2025-02-05 12:14:48,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:14:48,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 12:14:48,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:14:48,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 12:14:48,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:14:48,155 INFO L87 Difference]: Start difference. First operand 14072 states and 17860 transitions. Second operand has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2025-02-05 12:14:53,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:14:53,503 INFO L93 Difference]: Finished difference Result 30942 states and 41599 transitions. [2025-02-05 12:14:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 12:14:53,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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 618 [2025-02-05 12:14:53,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:14:53,531 INFO L225 Difference]: With dead ends: 30942 [2025-02-05 12:14:53,532 INFO L226 Difference]: Without dead ends: 19602 [2025-02-05 12:14:53,540 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 [2025-02-05 12:14:53,541 INFO L435 NwaCegarLoop]: 2993 mSDtfsCounter, 1421 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 4130 mSolverCounterSat, 1663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 5793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 4130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-02-05 12:14:53,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 3163 Invalid, 5793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1663 Valid, 4130 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2025-02-05 12:14:53,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19602 states. [2025-02-05 12:14:53,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19602 to 19562. [2025-02-05 12:14:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19562 states, 19561 states have (on average 1.2532079137058432) internal successors, (24514), 19561 states have internal predecessors, (24514), 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) [2025-02-05 12:14:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19562 states to 19562 states and 24514 transitions. [2025-02-05 12:14:53,696 INFO L78 Accepts]: Start accepts. Automaton has 19562 states and 24514 transitions. Word has length 618 [2025-02-05 12:14:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:14:53,697 INFO L471 AbstractCegarLoop]: Abstraction has 19562 states and 24514 transitions. [2025-02-05 12:14:53,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2025-02-05 12:14:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 19562 states and 24514 transitions. [2025-02-05 12:14:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2025-02-05 12:14:53,705 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:53,707 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:14:53,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 12:14:53,707 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:53,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash 161662950, now seen corresponding path program 1 times [2025-02-05 12:14:53,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:53,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203374235] [2025-02-05 12:14:53,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:53,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 621 statements into 1 equivalence classes. [2025-02-05 12:14:53,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 621 of 621 statements. [2025-02-05 12:14:53,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:53,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:14:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-05 12:14:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:14:54,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203374235] [2025-02-05 12:14:54,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203374235] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:14:54,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:14:54,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 12:14:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131658795] [2025-02-05 12:14:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:14:54,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 12:14:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:14:54,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 12:14:54,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:14:54,036 INFO L87 Difference]: Start difference. First operand 19562 states and 24514 transitions. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 2 states have internal predecessors, (546), 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) [2025-02-05 12:14:59,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:14:59,050 INFO L93 Difference]: Finished difference Result 51591 states and 66287 transitions. [2025-02-05 12:14:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 12:14:59,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 2 states have internal predecessors, (546), 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 621 [2025-02-05 12:14:59,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:14:59,087 INFO L225 Difference]: With dead ends: 51591 [2025-02-05 12:14:59,087 INFO L226 Difference]: Without dead ends: 34761 [2025-02-05 12:14:59,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:14:59,103 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 2111 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 5097 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2111 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 5531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 5097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-02-05 12:14:59,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2111 Valid, 964 Invalid, 5531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 5097 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2025-02-05 12:14:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34761 states. [2025-02-05 12:14:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34761 to 33393. [2025-02-05 12:14:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33393 states, 33392 states have (on average 1.2489817920459991) internal successors, (41706), 33392 states have internal predecessors, (41706), 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) [2025-02-05 12:14:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33393 states to 33393 states and 41706 transitions. [2025-02-05 12:14:59,454 INFO L78 Accepts]: Start accepts. Automaton has 33393 states and 41706 transitions. Word has length 621 [2025-02-05 12:14:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:14:59,456 INFO L471 AbstractCegarLoop]: Abstraction has 33393 states and 41706 transitions. [2025-02-05 12:14:59,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 2 states have internal predecessors, (546), 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) [2025-02-05 12:14:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 33393 states and 41706 transitions. [2025-02-05 12:14:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2025-02-05 12:14:59,462 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:14:59,462 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:14:59,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 12:14:59,462 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:14:59,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:14:59,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1777816220, now seen corresponding path program 1 times [2025-02-05 12:14:59,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:14:59,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173315967] [2025-02-05 12:14:59,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:14:59,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:14:59,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 850 statements into 1 equivalence classes. [2025-02-05 12:14:59,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 850 of 850 statements. [2025-02-05 12:14:59,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:14:59,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:15:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 113 proven. 51 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-02-05 12:15:00,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:15:00,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173315967] [2025-02-05 12:15:00,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173315967] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 12:15:00,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886570749] [2025-02-05 12:15:00,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:15:00,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 12:15:00,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:15:00,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 12:15:00,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 12:15:00,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 850 statements into 1 equivalence classes. [2025-02-05 12:15:00,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 850 of 850 statements. [2025-02-05 12:15:00,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:15:00,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:15:00,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 12:15:00,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:15:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-02-05 12:15:00,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:15:00,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886570749] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:15:00,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 12:15:00,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-05 12:15:00,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957299091] [2025-02-05 12:15:00,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:15:00,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 12:15:00,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:15:00,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 12:15:00,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 12:15:00,466 INFO L87 Difference]: Start difference. First operand 33393 states and 41706 transitions. Second operand has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 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) [2025-02-05 12:15:05,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:15:05,621 INFO L93 Difference]: Finished difference Result 83267 states and 106039 transitions. [2025-02-05 12:15:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 12:15:05,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 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 850 [2025-02-05 12:15:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:15:05,768 INFO L225 Difference]: With dead ends: 83267 [2025-02-05 12:15:05,772 INFO L226 Difference]: Without dead ends: 52606 [2025-02-05 12:15:05,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 849 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 12:15:05,819 INFO L435 NwaCegarLoop]: 1102 mSDtfsCounter, 1582 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4164 mSolverCounterSat, 1906 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 6070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1906 IncrementalHoareTripleChecker+Valid, 4164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-02-05 12:15:05,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 1228 Invalid, 6070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1906 Valid, 4164 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-02-05 12:15:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52606 states. [2025-02-05 12:15:06,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52606 to 51141. [2025-02-05 12:15:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51141 states, 51140 states have (on average 1.2361165428236214) internal successors, (63215), 51140 states have internal predecessors, (63215), 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) [2025-02-05 12:15:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51141 states to 51141 states and 63215 transitions. [2025-02-05 12:15:06,752 INFO L78 Accepts]: Start accepts. Automaton has 51141 states and 63215 transitions. Word has length 850 [2025-02-05 12:15:06,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:15:06,753 INFO L471 AbstractCegarLoop]: Abstraction has 51141 states and 63215 transitions. [2025-02-05 12:15:06,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 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) [2025-02-05 12:15:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 51141 states and 63215 transitions. [2025-02-05 12:15:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2025-02-05 12:15:06,758 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:15:06,759 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:15:06,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-05 12:15:06,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 12:15:06,960 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:15:06,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:15:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1954315903, now seen corresponding path program 1 times [2025-02-05 12:15:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:15:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884556904] [2025-02-05 12:15:06,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:15:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:15:07,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 874 statements into 1 equivalence classes. [2025-02-05 12:15:07,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 874 of 874 statements. [2025-02-05 12:15:07,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:15:07,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:15:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2025-02-05 12:15:07,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:15:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884556904] [2025-02-05 12:15:07,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884556904] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:15:07,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:15:07,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 12:15:07,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934716623] [2025-02-05 12:15:07,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:15:07,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 12:15:07,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:15:07,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 12:15:07,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:15:07,422 INFO L87 Difference]: Start difference. First operand 51141 states and 63215 transitions. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 2 states have internal predecessors, (589), 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) [2025-02-05 12:15:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:15:12,619 INFO L93 Difference]: Finished difference Result 115951 states and 144850 transitions. [2025-02-05 12:15:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 12:15:12,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 2 states have internal predecessors, (589), 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 874 [2025-02-05 12:15:12,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:15:12,729 INFO L225 Difference]: With dead ends: 115951 [2025-02-05 12:15:12,729 INFO L226 Difference]: Without dead ends: 67542 [2025-02-05 12:15:12,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:15:12,761 INFO L435 NwaCegarLoop]: 751 mSDtfsCounter, 1354 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 2063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 5995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2063 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-02-05 12:15:12,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1354 Valid, 799 Invalid, 5995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2063 Valid, 3932 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-02-05 12:15:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67542 states. [2025-02-05 12:15:13,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67542 to 67527. [2025-02-05 12:15:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67527 states, 67526 states have (on average 1.2145988211947991) internal successors, (82017), 67526 states have internal predecessors, (82017), 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) [2025-02-05 12:15:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67527 states to 67527 states and 82017 transitions. [2025-02-05 12:15:13,392 INFO L78 Accepts]: Start accepts. Automaton has 67527 states and 82017 transitions. Word has length 874 [2025-02-05 12:15:13,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:15:13,393 INFO L471 AbstractCegarLoop]: Abstraction has 67527 states and 82017 transitions. [2025-02-05 12:15:13,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 2 states have internal predecessors, (589), 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) [2025-02-05 12:15:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 67527 states and 82017 transitions. [2025-02-05 12:15:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 917 [2025-02-05 12:15:13,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:15:13,399 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:15:13,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-05 12:15:13,400 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:15:13,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:15:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2004471920, now seen corresponding path program 1 times [2025-02-05 12:15:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:15:13,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662775953] [2025-02-05 12:15:13,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:15:13,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:15:13,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 916 statements into 1 equivalence classes. [2025-02-05 12:15:13,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 916 of 916 statements. [2025-02-05 12:15:13,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:15:13,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:15:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-02-05 12:15:14,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:15:14,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662775953] [2025-02-05 12:15:14,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662775953] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:15:14,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:15:14,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 12:15:14,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540193584] [2025-02-05 12:15:14,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:15:14,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 12:15:14,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:15:14,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 12:15:14,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:15:14,855 INFO L87 Difference]: Start difference. First operand 67527 states and 82017 transitions. Second operand has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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) [2025-02-05 12:15:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:15:19,826 INFO L93 Difference]: Finished difference Result 158350 states and 194646 transitions. [2025-02-05 12:15:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 12:15:19,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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 916 [2025-02-05 12:15:19,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:15:19,962 INFO L225 Difference]: With dead ends: 158350 [2025-02-05 12:15:19,966 INFO L226 Difference]: Without dead ends: 93555 [2025-02-05 12:15:20,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 12:15:20,026 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 1576 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 4233 mSolverCounterSat, 2309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 6542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 4233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-02-05 12:15:20,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 625 Invalid, 6542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2309 Valid, 4233 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-02-05 12:15:20,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93555 states. [2025-02-05 12:15:20,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93555 to 88006. [2025-02-05 12:15:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88006 states, 88005 states have (on average 1.2410203965683768) internal successors, (109216), 88005 states have internal predecessors, (109216), 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) [2025-02-05 12:15:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88006 states to 88006 states and 109216 transitions. [2025-02-05 12:15:21,074 INFO L78 Accepts]: Start accepts. Automaton has 88006 states and 109216 transitions. Word has length 916 [2025-02-05 12:15:21,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:15:21,074 INFO L471 AbstractCegarLoop]: Abstraction has 88006 states and 109216 transitions. [2025-02-05 12:15:21,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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) [2025-02-05 12:15:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 88006 states and 109216 transitions. [2025-02-05 12:15:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2025-02-05 12:15:21,091 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:15:21,096 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:15:21,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-05 12:15:21,096 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:15:21,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:15:21,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1893054791, now seen corresponding path program 1 times [2025-02-05 12:15:21,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:15:21,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612298243] [2025-02-05 12:15:21,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:15:21,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:15:21,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 983 statements into 1 equivalence classes. [2025-02-05 12:15:21,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 983 of 983 statements. [2025-02-05 12:15:21,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:15:21,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:15:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-05 12:15:22,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 12:15:22,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612298243] [2025-02-05 12:15:22,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612298243] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:15:22,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:15:22,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 12:15:22,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416887767] [2025-02-05 12:15:22,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:15:22,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 12:15:22,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 12:15:22,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 12:15:22,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:15:22,025 INFO L87 Difference]: Start difference. First operand 88006 states and 109216 transitions. Second operand has 4 states, 4 states have (on average 180.25) internal successors, (721), 4 states have internal predecessors, (721), 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) [2025-02-05 12:15:32,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:15:32,220 INFO L93 Difference]: Finished difference Result 301760 states and 382658 transitions. [2025-02-05 12:15:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 12:15:32,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 180.25) internal successors, (721), 4 states have internal predecessors, (721), 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 983 [2025-02-05 12:15:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:15:32,458 INFO L225 Difference]: With dead ends: 301760 [2025-02-05 12:15:32,458 INFO L226 Difference]: Without dead ends: 216486 [2025-02-05 12:15:32,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:15:32,502 INFO L435 NwaCegarLoop]: 1062 mSDtfsCounter, 3399 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 8484 mSolverCounterSat, 2957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 11441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2957 IncrementalHoareTripleChecker+Valid, 8484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2025-02-05 12:15:32,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 1322 Invalid, 11441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2957 Valid, 8484 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2025-02-05 12:15:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216486 states.