./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:59:59,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:59:59,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:59:59,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:59:59,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:59:59,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:59:59,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:59:59,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:59:59,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:59:59,988 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:59:59,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:59:59,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:59:59,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:59:59,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:59:59,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:59:59,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:59:59,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:59:59,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:59:59,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:59:59,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:59:59,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:59:59,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:00:00,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:00:00,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:00:00,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:00:00,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:00:00,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:00:00,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:00:00,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:00:00,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:00:00,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:00:00,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:00:00,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:00:00,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:00:00,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:00:00,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:00:00,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:00:00,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:00:00,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:00:00,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:00:00,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:00:00,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:00:00,008 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 [2024-11-12 04:00:00,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:00:00,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:00:00,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:00:00,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:00:00,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:00:00,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-12 04:00:01,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:00:02,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:00:02,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-12 04:00:02,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ad53f48/dd0056e5847e4283b09f137aa100723f/FLAG3db7f2347 [2024-11-12 04:00:02,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ad53f48/dd0056e5847e4283b09f137aa100723f [2024-11-12 04:00:02,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:00:02,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:00:02,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:00:02,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:00:02,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:00:02,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:02,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19442b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02, skipping insertion in model container [2024-11-12 04:00:02,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:02,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:00:02,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-12 04:00:02,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:00:02,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:00:02,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-12 04:00:02,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:00:02,954 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:00:02,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02 WrapperNode [2024-11-12 04:00:02,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:00:02,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:00:02,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:00:02,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:00:02,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:02,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,020 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-12 04:00:03,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:00:03,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:00:03,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:00:03,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:00:03,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,061 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 04:00:03,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:00:03,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:00:03,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:00:03,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:00:03,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (1/1) ... [2024-11-12 04:00:03,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:00:03,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:00:03,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 04:00:03,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 04:00:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:00:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:00:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:00:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:00:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:00:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:00:03,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:00:03,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:00:03,815 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 04:00:03,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:00:03,837 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:00:03,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:00:03,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:00:03 BoogieIcfgContainer [2024-11-12 04:00:03,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:00:03,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:00:03,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:00:03,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:00:03,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:00:02" (1/3) ... [2024-11-12 04:00:03,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657337a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:00:03, skipping insertion in model container [2024-11-12 04:00:03,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:00:02" (2/3) ... [2024-11-12 04:00:03,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657337a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:00:03, skipping insertion in model container [2024-11-12 04:00:03,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:00:03" (3/3) ... [2024-11-12 04:00:03,852 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-12 04:00:03,872 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:00:03,873 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:00:03,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:00:03,961 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;@52c599fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:00:03,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:00:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 04:00:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:00:03,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:03,980 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:03,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:03,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:03,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2015951129, now seen corresponding path program 1 times [2024-11-12 04:00:03,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:03,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840418277] [2024-11-12 04:00:03,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:03,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:04,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:04,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840418277] [2024-11-12 04:00:04,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840418277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:04,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:04,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:00:04,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477171250] [2024-11-12 04:00:04,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:04,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:00:04,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:04,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:00:04,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:00:04,697 INFO L87 Difference]: Start difference. First operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:00:04,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:04,743 INFO L93 Difference]: Finished difference Result 189 states and 331 transitions. [2024-11-12 04:00:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:00:04,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-12 04:00:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:04,756 INFO L225 Difference]: With dead ends: 189 [2024-11-12 04:00:04,756 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 04:00:04,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:00:04,768 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:04,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:00:04,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 04:00:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 04:00:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 04:00:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-12 04:00:04,837 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 175 [2024-11-12 04:00:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:04,839 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-12 04:00:04,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:00:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-12 04:00:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:00:04,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:04,846 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:04,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:00:04,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:04,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:04,849 INFO L85 PathProgramCache]: Analyzing trace with hash 476781609, now seen corresponding path program 1 times [2024-11-12 04:00:04,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:04,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97802406] [2024-11-12 04:00:04,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:04,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:05,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:05,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97802406] [2024-11-12 04:00:05,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97802406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:05,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:05,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:00:05,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524466759] [2024-11-12 04:00:05,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:05,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:00:05,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:00:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:00:05,426 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:05,483 INFO L93 Difference]: Finished difference Result 186 states and 293 transitions. [2024-11-12 04:00:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:00:05,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:00:05,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:05,487 INFO L225 Difference]: With dead ends: 186 [2024-11-12 04:00:05,489 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 04:00:05,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:00:05,492 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:05,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:00:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 04:00:05,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-12 04:00:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 04:00:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-12 04:00:05,515 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 175 [2024-11-12 04:00:05,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:05,519 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-12 04:00:05,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-12 04:00:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:00:05,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:05,527 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:05,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:00:05,528 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:05,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1517363097, now seen corresponding path program 1 times [2024-11-12 04:00:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:05,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730331356] [2024-11-12 04:00:05,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:05,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:05,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:06,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:06,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730331356] [2024-11-12 04:00:06,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730331356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:06,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:06,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:00:06,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139258547] [2024-11-12 04:00:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:06,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:00:06,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:06,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:00:06,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:00:06,020 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:06,288 INFO L93 Difference]: Finished difference Result 280 states and 439 transitions. [2024-11-12 04:00:06,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:00:06,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:00:06,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:06,292 INFO L225 Difference]: With dead ends: 280 [2024-11-12 04:00:06,292 INFO L226 Difference]: Without dead ends: 188 [2024-11-12 04:00:06,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:00:06,294 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:06,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 503 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:00:06,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-12 04:00:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2024-11-12 04:00:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 111 states have internal predecessors, (156), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 04:00:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 264 transitions. [2024-11-12 04:00:06,317 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 264 transitions. Word has length 175 [2024-11-12 04:00:06,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:06,318 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 264 transitions. [2024-11-12 04:00:06,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 264 transitions. [2024-11-12 04:00:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:00:06,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:06,321 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:06,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:00:06,321 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:06,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1766486949, now seen corresponding path program 1 times [2024-11-12 04:00:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729995024] [2024-11-12 04:00:06,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:06,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:14,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:14,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729995024] [2024-11-12 04:00:14,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729995024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:14,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:14,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:00:14,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892385866] [2024-11-12 04:00:14,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:14,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:00:14,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:14,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:00:14,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:00:14,667 INFO L87 Difference]: Start difference. First operand 168 states and 264 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:18,214 INFO L93 Difference]: Finished difference Result 357 states and 549 transitions. [2024-11-12 04:00:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:00:18,216 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:00:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:18,218 INFO L225 Difference]: With dead ends: 357 [2024-11-12 04:00:18,218 INFO L226 Difference]: Without dead ends: 265 [2024-11-12 04:00:18,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2024-11-12 04:00:18,220 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 456 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:18,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1060 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 04:00:18,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-12 04:00:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 210. [2024-11-12 04:00:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 153 states have (on average 1.4313725490196079) internal successors, (219), 153 states have internal predecessors, (219), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 04:00:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 327 transitions. [2024-11-12 04:00:18,242 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 327 transitions. Word has length 175 [2024-11-12 04:00:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:18,243 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 327 transitions. [2024-11-12 04:00:18,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 327 transitions. [2024-11-12 04:00:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:00:18,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:18,246 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:18,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:00:18,246 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:18,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:18,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1985341667, now seen corresponding path program 1 times [2024-11-12 04:00:18,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:18,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187280411] [2024-11-12 04:00:18,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:18,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:18,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187280411] [2024-11-12 04:00:18,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187280411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:18,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:18,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:00:18,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024168586] [2024-11-12 04:00:18,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:18,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:00:18,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:00:18,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:00:18,558 INFO L87 Difference]: Start difference. First operand 210 states and 327 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:18,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:18,647 INFO L93 Difference]: Finished difference Result 486 states and 759 transitions. [2024-11-12 04:00:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:00:18,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:00:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:18,651 INFO L225 Difference]: With dead ends: 486 [2024-11-12 04:00:18,651 INFO L226 Difference]: Without dead ends: 394 [2024-11-12 04:00:18,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:00:18,656 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 275 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:18,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 556 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:00:18,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-12 04:00:18,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 355. [2024-11-12 04:00:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 270 states have (on average 1.4666666666666666) internal successors, (396), 270 states have internal predecessors, (396), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:00:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 558 transitions. [2024-11-12 04:00:18,708 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 558 transitions. Word has length 175 [2024-11-12 04:00:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:18,709 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 558 transitions. [2024-11-12 04:00:18,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 558 transitions. [2024-11-12 04:00:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:00:18,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:18,712 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:18,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:00:18,712 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:18,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:18,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1232134917, now seen corresponding path program 1 times [2024-11-12 04:00:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769878211] [2024-11-12 04:00:18,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:18,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:19,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:19,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769878211] [2024-11-12 04:00:19,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769878211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:19,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:19,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:00:19,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090794981] [2024-11-12 04:00:19,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:19,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:00:19,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:00:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:00:19,065 INFO L87 Difference]: Start difference. First operand 355 states and 558 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:19,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:19,112 INFO L93 Difference]: Finished difference Result 604 states and 950 transitions. [2024-11-12 04:00:19,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:00:19,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:00:19,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:19,117 INFO L225 Difference]: With dead ends: 604 [2024-11-12 04:00:19,117 INFO L226 Difference]: Without dead ends: 364 [2024-11-12 04:00:19,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:00:19,119 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 6 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:19,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 272 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:00:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-12 04:00:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 355. [2024-11-12 04:00:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 270 states have (on average 1.4555555555555555) internal successors, (393), 270 states have internal predecessors, (393), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:00:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 555 transitions. [2024-11-12 04:00:19,141 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 555 transitions. Word has length 176 [2024-11-12 04:00:19,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:19,142 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 555 transitions. [2024-11-12 04:00:19,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 555 transitions. [2024-11-12 04:00:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:00:19,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:19,145 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:19,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:00:19,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:19,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash 542872445, now seen corresponding path program 1 times [2024-11-12 04:00:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:19,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309791945] [2024-11-12 04:00:19,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:19,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:24,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:24,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309791945] [2024-11-12 04:00:24,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309791945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:24,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:24,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:00:24,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673061200] [2024-11-12 04:00:24,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:24,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:00:24,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:24,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:00:24,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:00:24,630 INFO L87 Difference]: Start difference. First operand 355 states and 555 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:27,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:27,862 INFO L93 Difference]: Finished difference Result 652 states and 999 transitions. [2024-11-12 04:00:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 04:00:27,863 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:00:27,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:27,868 INFO L225 Difference]: With dead ends: 652 [2024-11-12 04:00:27,868 INFO L226 Difference]: Without dead ends: 415 [2024-11-12 04:00:27,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 04:00:27,871 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 478 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:27,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 998 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 04:00:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-12 04:00:27,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 356. [2024-11-12 04:00:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 271 states have (on average 1.4538745387453875) internal successors, (394), 271 states have internal predecessors, (394), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:00:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 556 transitions. [2024-11-12 04:00:27,901 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 556 transitions. Word has length 176 [2024-11-12 04:00:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:27,902 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 556 transitions. [2024-11-12 04:00:27,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 556 transitions. [2024-11-12 04:00:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:00:27,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:27,904 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:27,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:00:27,905 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:27,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:27,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1019977503, now seen corresponding path program 1 times [2024-11-12 04:00:27,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:27,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842504084] [2024-11-12 04:00:27,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:27,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:38,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:38,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842504084] [2024-11-12 04:00:38,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842504084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:38,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:38,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 04:00:38,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031301830] [2024-11-12 04:00:38,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:38,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 04:00:38,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 04:00:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:00:38,030 INFO L87 Difference]: Start difference. First operand 356 states and 556 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:43,174 INFO L93 Difference]: Finished difference Result 413 states and 620 transitions. [2024-11-12 04:00:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 04:00:43,175 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:00:43,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:43,178 INFO L225 Difference]: With dead ends: 413 [2024-11-12 04:00:43,178 INFO L226 Difference]: Without dead ends: 411 [2024-11-12 04:00:43,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=262, Invalid=794, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 04:00:43,181 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 421 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:43,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1175 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-12 04:00:43,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-12 04:00:43,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 359. [2024-11-12 04:00:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 274 states have (on average 1.4525547445255473) internal successors, (398), 274 states have internal predecessors, (398), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:00:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 560 transitions. [2024-11-12 04:00:43,215 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 560 transitions. Word has length 176 [2024-11-12 04:00:43,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:43,215 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 560 transitions. [2024-11-12 04:00:43,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 560 transitions. [2024-11-12 04:00:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:00:43,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:43,220 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:43,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:00:43,220 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:43,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:43,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1706688612, now seen corresponding path program 1 times [2024-11-12 04:00:43,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777597459] [2024-11-12 04:00:43,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:43,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:47,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:47,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777597459] [2024-11-12 04:00:47,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777597459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:47,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:47,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:00:47,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861188142] [2024-11-12 04:00:47,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:47,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:00:47,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:47,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:00:47,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:00:47,808 INFO L87 Difference]: Start difference. First operand 359 states and 560 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:00:50,929 INFO L93 Difference]: Finished difference Result 430 states and 641 transitions. [2024-11-12 04:00:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 04:00:50,930 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:00:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:00:50,933 INFO L225 Difference]: With dead ends: 430 [2024-11-12 04:00:50,933 INFO L226 Difference]: Without dead ends: 428 [2024-11-12 04:00:50,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2024-11-12 04:00:50,934 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 403 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 04:00:50,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1150 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 04:00:50,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-12 04:00:50,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 371. [2024-11-12 04:00:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 286 states have (on average 1.444055944055944) internal successors, (413), 286 states have internal predecessors, (413), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:00:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 575 transitions. [2024-11-12 04:00:50,959 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 575 transitions. Word has length 176 [2024-11-12 04:00:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:00:50,959 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 575 transitions. [2024-11-12 04:00:50,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:00:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 575 transitions. [2024-11-12 04:00:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:00:50,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:00:50,962 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:00:50,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:00:50,962 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:00:50,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:00:50,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1026630242, now seen corresponding path program 1 times [2024-11-12 04:00:50,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:00:50,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536535844] [2024-11-12 04:00:50,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:00:50,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:00:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:00:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:00:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:00:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:00:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:00:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:00:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:00:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:00:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:00:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:00:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:00:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:00:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:00:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:00:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:00:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:00:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:00:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:00:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:00:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:00:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:00:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:00:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:00:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:00:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:00:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:00:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:00:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:00:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:00:56,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:00:56,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536535844] [2024-11-12 04:00:56,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536535844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:00:56,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:00:56,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 04:00:56,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979183442] [2024-11-12 04:00:56,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:00:56,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 04:00:56,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:00:56,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 04:00:56,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:00:56,707 INFO L87 Difference]: Start difference. First operand 371 states and 575 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:01:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:01:00,506 INFO L93 Difference]: Finished difference Result 424 states and 635 transitions. [2024-11-12 04:01:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 04:01:00,508 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:01:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:01:00,511 INFO L225 Difference]: With dead ends: 424 [2024-11-12 04:01:00,511 INFO L226 Difference]: Without dead ends: 422 [2024-11-12 04:01:00,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930 [2024-11-12 04:01:00,513 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 316 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:01:00,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1290 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 04:01:00,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-12 04:01:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 371. [2024-11-12 04:01:00,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 286 states have (on average 1.444055944055944) internal successors, (413), 286 states have internal predecessors, (413), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:01:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 575 transitions. [2024-11-12 04:01:00,538 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 575 transitions. Word has length 176 [2024-11-12 04:01:00,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:01:00,538 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 575 transitions. [2024-11-12 04:01:00,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:01:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 575 transitions. [2024-11-12 04:01:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 04:01:00,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:01:00,541 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:01:00,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:01:00,541 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:01:00,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:01:00,542 INFO L85 PathProgramCache]: Analyzing trace with hash -297321463, now seen corresponding path program 1 times [2024-11-12 04:01:00,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:01:00,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79054913] [2024-11-12 04:01:00,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:01:00,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:01:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:01:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:01:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:01:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:01:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:01:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:01:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:01:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:01:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:01:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:01:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:01:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:01:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:01:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:01:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:01:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:01:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:01:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:01:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:01:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:01:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:01:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:01:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:01:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:01:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:01:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:01:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:01:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:01:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:01:04,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:01:04,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79054913] [2024-11-12 04:01:04,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79054913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:01:04,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:01:04,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 04:01:04,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469748465] [2024-11-12 04:01:04,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:01:04,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 04:01:04,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:01:04,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 04:01:04,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:01:04,877 INFO L87 Difference]: Start difference. First operand 371 states and 575 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:01:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:01:08,445 INFO L93 Difference]: Finished difference Result 418 states and 626 transitions. [2024-11-12 04:01:08,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 04:01:08,446 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-12 04:01:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:01:08,450 INFO L225 Difference]: With dead ends: 418 [2024-11-12 04:01:08,451 INFO L226 Difference]: Without dead ends: 416 [2024-11-12 04:01:08,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=336, Invalid=996, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 04:01:08,453 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 366 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:01:08,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1229 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 04:01:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-12 04:01:08,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 368. [2024-11-12 04:01:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 283 states have (on average 1.4452296819787986) internal successors, (409), 283 states have internal predecessors, (409), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:01:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 571 transitions. [2024-11-12 04:01:08,482 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 571 transitions. Word has length 177 [2024-11-12 04:01:08,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:01:08,483 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 571 transitions. [2024-11-12 04:01:08,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:01:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 571 transitions. [2024-11-12 04:01:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 04:01:08,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:01:08,486 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:01:08,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 04:01:08,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:01:08,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:01:08,487 INFO L85 PathProgramCache]: Analyzing trace with hash 284792409, now seen corresponding path program 1 times [2024-11-12 04:01:08,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:01:08,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067118211] [2024-11-12 04:01:08,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:01:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:01:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat